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Understanding how to construct efficient queries is essential for building performant applications.",[1030,1031,1033],"h2",{"id":1032},"basic-query-operations","Basic Query Operations",[1035,1036,1038],"h3",{"id":1037},"retrieving-objects","Retrieving Objects",[1040,1041,1046],"pre",{"className":1042,"code":1043,"language":1044,"meta":1045,"style":1045},"language-python shiki shiki-themes material-theme-lighter vitesse-light vitesse-dark","# Basic retrieval operations\nfrom myapp.models import Post, Author, Category\n\n# Get all objects\nall_posts = Post.objects.all()\n\n# Get a single object (raises DoesNotExist if not found)\npost = Post.objects.get(id=1)\npost = Post.objects.get(slug='my-first-post')\n\n# Get first object or None\nfirst_post = Post.objects.first()\nlast_post = Post.objects.last()\n\n# Get or create an object\nauthor, created = Author.objects.get_or_create(\n    email='john@example.com',\n    defaults={'name': 'John Doe', 'bio': 'Writer and developer'}\n)\n\n# Update or create\nauthor, created = Author.objects.update_or_create(\n    email='john@example.com',\n    defaults={'name': 'John Smith', 'bio': 'Updated bio'}\n)\n\n# Check if objects exist\nhas_posts = Post.objects.exists()\nhas_published_posts = Post.objects.filter(status='published').exists()\n\n# Count objects\ntotal_posts = Post.objects.count()\npublished_count = Post.objects.filter(status='published').count()\n","python","",[1047,1048,1049,1058,1093,1100,1106,1132,1137,1143,1178,1214,1219,1225,1246,1267,1272,1278,1305,1323,1371,1376,1381,1387,1411,1426,1467,1472,1477,1483,1504,1544,1549,1555,1576],"code",{"__ignoreMap":1045},[1050,1051,1054],"span",{"class":1052,"line":1053},"line",1,[1050,1055,1057],{"class":1056},"s9Tkl","# Basic retrieval operations\n",[1050,1059,1061,1065,1069,1073,1076,1079,1082,1085,1088,1090],{"class":1052,"line":1060},2,[1050,1062,1064],{"class":1063},"siDh9","from",[1050,1066,1068],{"class":1067},"sftqT"," 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",[1050,1150,1114],{"class":1071},[1050,1152,1081],{"class":1067},[1050,1154,1072],{"class":1071},[1050,1156,1122],{"class":1121},[1050,1158,1072],{"class":1071},[1050,1160,1161],{"class":1127},"get",[1050,1163,1164],{"class":1071},"(",[1050,1166,1168],{"class":1167},"sqOPj","id",[1050,1170,1114],{"class":1071},[1050,1172,1174],{"class":1173},"s7CZa","1",[1050,1176,1177],{"class":1071},")\n",[1050,1179,1181,1183,1185,1187,1189,1191,1193,1195,1197,1200,1202,1206,1210,1212],{"class":1052,"line":1180},9,[1050,1182,1148],{"class":1067},[1050,1184,1114],{"class":1071},[1050,1186,1081],{"class":1067},[1050,1188,1072],{"class":1071},[1050,1190,1122],{"class":1121},[1050,1192,1072],{"class":1071},[1050,1194,1161],{"class":1127},[1050,1196,1164],{"class":1071},[1050,1198,1199],{"class":1167},"slug",[1050,1201,1114],{"class":1071},[1050,1203,1205],{"class":1204},"sbYkP","'",[1050,1207,1209],{"class":1208},"sTbE_","my-first-post",[1050,1211,1205],{"class":1204},[1050,1213,1177],{"class":1071},[1050,1215,1217],{"class":1052,"line":1216},10,[1050,1218,1099],{"emptyLinePlaceholder":1098},[1050,1220,1222],{"class":1052,"line":1221},11,[1050,1223,1224],{"class":1056},"# Get first object or None\n",[1050,1226,1228,1231,1233,1235,1237,1239,1241,1244],{"class":1052,"line":1227},12,[1050,1229,1230],{"class":1067},"first_post ",[1050,1232,1114],{"class":1071},[1050,1234,1081],{"class":1067},[1050,1236,1072],{"class":1071},[1050,1238,1122],{"class":1121},[1050,1240,1072],{"class":1071},[1050,1242,1243],{"class":1127},"first",[1050,1245,1131],{"class":1071},[1050,1247,1249,1252,1254,1256,1258,1260,1262,1265],{"class":1052,"line":1248},13,[1050,1250,1251],{"class":1067},"last_post ",[1050,1253,1114],{"class":1071},[1050,1255,1081],{"class":1067},[1050,1257,1072],{"class":1071},[1050,1259,1122],{"class":1121},[1050,1261,1072],{"class":1071},[1050,1263,1264],{"class":1127},"last",[1050,1266,1131],{"class":1071},[1050,1268,1270],{"class":1052,"line":1269},14,[1050,1271,1099],{"emptyLinePlaceholder":1098},[1050,1273,1275],{"class":1052,"line":1274},15,[1050,1276,1277],{"class":1056},"# Get or create an object\n",[1050,1279,1281,1284,1286,1289,1291,1293,1295,1297,1299,1302],{"class":1052,"line":1280},16,[1050,1282,1283],{"class":1067},"author",[1050,1285,1084],{"class":1071},[1050,1287,1288],{"class":1067}," created ",[1050,1290,1114],{"class":1071},[1050,1292,1087],{"class":1067},[1050,1294,1072],{"class":1071},[1050,1296,1122],{"class":1121},[1050,1298,1072],{"class":1071},[1050,1300,1301],{"class":1127},"get_or_create",[1050,1303,1304],{"class":1071},"(\n",[1050,1306,1308,1311,1313,1315,1318,1320],{"class":1052,"line":1307},17,[1050,1309,1310],{"class":1167},"    email",[1050,1312,1114],{"class":1071},[1050,1314,1205],{"class":1204},[1050,1316,1317],{"class":1208},"john@example.com",[1050,1319,1205],{"class":1204},[1050,1321,1322],{"class":1071},",\n",[1050,1324,1326,1329,1332,1334,1337,1339,1342,1345,1348,1350,1352,1354,1357,1359,1361,1363,1366,1368],{"class":1052,"line":1325},18,[1050,1327,1328],{"class":1167},"    defaults",[1050,1330,1331],{"class":1071},"={",[1050,1333,1205],{"class":1204},[1050,1335,1336],{"class":1208},"name",[1050,1338,1205],{"class":1204},[1050,1340,1341],{"class":1071},":",[1050,1343,1344],{"class":1204}," '",[1050,1346,1347],{"class":1208},"John Doe",[1050,1349,1205],{"class":1204},[1050,1351,1084],{"class":1071},[1050,1353,1344],{"class":1204},[1050,1355,1356],{"class":1208},"bio",[1050,1358,1205],{"class":1204},[1050,1360,1341],{"class":1071},[1050,1362,1344],{"class":1204},[1050,1364,1365],{"class":1208},"Writer and developer",[1050,1367,1205],{"class":1204},[1050,1369,1370],{"class":1071},"}\n",[1050,1372,1374],{"class":1052,"line":1373},19,[1050,1375,1177],{"class":1071},[1050,1377,1379],{"class":1052,"line":1378},20,[1050,1380,1099],{"emptyLinePlaceholder":1098},[1050,1382,1384],{"class":1052,"line":1383},21,[1050,1385,1386],{"class":1056},"# Update or create\n",[1050,1388,1390,1392,1394,1396,1398,1400,1402,1404,1406,1409],{"class":1052,"line":1389},22,[1050,1391,1283],{"class":1067},[1050,1393,1084],{"class":1071},[1050,1395,1288],{"class":1067},[1050,1397,1114],{"class":1071},[1050,1399,1087],{"class":1067},[1050,1401,1072],{"class":1071},[1050,1403,1122],{"class":1121},[1050,1405,1072],{"class":1071},[1050,1407,1408],{"class":1127},"update_or_create",[1050,1410,1304],{"class":1071},[1050,1412,1414,1416,1418,1420,1422,1424],{"class":1052,"line":1413},23,[1050,1415,1310],{"class":1167},[1050,1417,1114],{"class":1071},[1050,1419,1205],{"class":1204},[1050,1421,1317],{"class":1208},[1050,1423,1205],{"class":1204},[1050,1425,1322],{"class":1071},[1050,1427,1429,1431,1433,1435,1437,1439,1441,1443,1446,1448,1450,1452,1454,1456,1458,1460,1463,1465],{"class":1052,"line":1428},24,[1050,1430,1328],{"class":1167},[1050,1432,1331],{"class":1071},[1050,1434,1205],{"class":1204},[1050,1436,1336],{"class":1208},[1050,1438,1205],{"class":1204},[1050,1440,1341],{"class":1071},[1050,1442,1344],{"class":1204},[1050,1444,1445],{"class":1208},"John Smith",[1050,1447,1205],{"class":1204},[1050,1449,1084],{"class":1071},[1050,1451,1344],{"class":1204},[1050,1453,1356],{"class":1208},[1050,1455,1205],{"class":1204},[1050,1457,1341],{"class":1071},[1050,1459,1344],{"class":1204},[1050,1461,1462],{"class":1208},"Updated bio",[1050,1464,1205],{"class":1204},[1050,1466,1370],{"class":1071},[1050,1468,1470],{"class":1052,"line":1469},25,[1050,1471,1177],{"class":1071},[1050,1473,1475],{"class":1052,"line":1474},26,[1050,1476,1099],{"emptyLinePlaceholder":1098},[1050,1478,1480],{"class":1052,"line":1479},27,[1050,1481,1482],{"class":1056},"# Check if objects exist\n",[1050,1484,1486,1489,1491,1493,1495,1497,1499,1502],{"class":1052,"line":1485},28,[1050,1487,1488],{"class":1067},"has_posts ",[1050,1490,1114],{"class":1071},[1050,1492,1081],{"class":1067},[1050,1494,1072],{"class":1071},[1050,1496,1122],{"class":1121},[1050,1498,1072],{"class":1071},[1050,1500,1501],{"class":1127},"exists",[1050,1503,1131],{"class":1071},[1050,1505,1507,1510,1512,1514,1516,1518,1520,1523,1525,1528,1530,1532,1535,1537,1540,1542],{"class":1052,"line":1506},29,[1050,1508,1509],{"class":1067},"has_published_posts ",[1050,1511,1114],{"class":1071},[1050,1513,1081],{"class":1067},[1050,1515,1072],{"class":1071},[1050,1517,1122],{"class":1121},[1050,1519,1072],{"class":1071},[1050,1521,1522],{"class":1127},"filter",[1050,1524,1164],{"class":1071},[1050,1526,1527],{"class":1167},"status",[1050,1529,1114],{"class":1071},[1050,1531,1205],{"class":1204},[1050,1533,1534],{"class":1208},"published",[1050,1536,1205],{"class":1204},[1050,1538,1539],{"class":1071},").",[1050,1541,1501],{"class":1127},[1050,1543,1131],{"class":1071},[1050,1545,1547],{"class":1052,"line":1546},30,[1050,1548,1099],{"emptyLinePlaceholder":1098},[1050,1550,1552],{"class":1052,"line":1551},31,[1050,1553,1554],{"class":1056},"# Count objects\n",[1050,1556,1558,1561,1563,1565,1567,1569,1571,1574],{"class":1052,"line":1557},32,[1050,1559,1560],{"class":1067},"total_posts ",[1050,1562,1114],{"class":1071},[1050,1564,1081],{"class":1067},[1050,1566,1072],{"class":1071},[1050,1568,1122],{"class":1121},[1050,1570,1072],{"class":1071},[1050,1572,1573],{"class":1127},"count",[1050,1575,1131],{"class":1071},[1050,1577,1579,1582,1584,1586,1588,1590,1592,1594,1596,1598,1600,1602,1604,1606,1608,1610],{"class":1052,"line":1578},33,[1050,1580,1581],{"class":1067},"published_count ",[1050,1583,1114],{"class":1071},[1050,1585,1081],{"class":1067},[1050,1587,1072],{"class":1071},[1050,1589,1122],{"class":1121},[1050,1591,1072],{"class":1071},[1050,1593,1522],{"class":1127},[1050,1595,1164],{"class":1071},[1050,1597,1527],{"class":1167},[1050,1599,1114],{"class":1071},[1050,1601,1205],{"class":1204},[1050,1603,1534],{"class":1208},[1050,1605,1205],{"class":1204},[1050,1607,1539],{"class":1071},[1050,1609,1573],{"class":1127},[1050,1611,1131],{"class":1071},[1035,1613,1615],{"id":1614},"creating-and-updating-objects","Creating and Updating Objects",[1040,1617,1619],{"className":1042,"code":1618,"language":1044,"meta":1045,"style":1045},"# Creating objects\nfrom django.utils import timezone\n\n# Method 1: Create and save\npost = Post()\npost.title = 'My New Post'\npost.content = 'This is the content of my post.'\npost.author_id = 1\npost.save()\n\n# Method 2: Create in one step\npost = Post.objects.create(\n    title='Another Post',\n    content='More content here.',\n    author_id=1,\n    status='published',\n    published_at=timezone.now()\n)\n\n# Bulk create (more efficient for multiple objects)\nposts = [\n    Post(title=f'Post {i}', content=f'Content {i}', author_id=1)\n    for i in range(1, 101)\n]\nPost.objects.bulk_create(posts)\n\n# Updating objects\npost = Post.objects.get(id=1)\npost.title = 'Updated Title'\npost.save()\n\n# Update specific fields only\npost.save(update_fields=['title', 'updated_at'])\n\n# Bulk update\nPost.objects.filter(status='draft').update(\n    status='published',\n    published_at=timezone.now()\n)\n\n# Update or create with bulk operations\nPost.objects.bulk_update(\n    posts,\n    ['title', 'content'],\n    batch_size=100\n)\n",[1047,1620,1621,1626,1643,1647,1652,1662,1683,1701,1715,1726,1730,1735,1754,1770,1786,1797,1812,1829,1833,1837,1842,1852,1913,1939,1944,1965,1969,1974,2000,2017,2027,2031,2036,2070,2075,2081,2114,2129,2144,2149,2154,2160,2176,2184,2207,2218],{"__ignoreMap":1045},[1050,1622,1623],{"class":1052,"line":1053},[1050,1624,1625],{"class":1056},"# Creating objects\n",[1050,1627,1628,1630,1633,1635,1638,1640],{"class":1052,"line":1060},[1050,1629,1064],{"class":1063},[1050,1631,1632],{"class":1067}," django",[1050,1634,1072],{"class":1071},[1050,1636,1637],{"class":1067},"utils ",[1050,1639,1078],{"class":1063},[1050,1641,1642],{"class":1067}," timezone\n",[1050,1644,1645],{"class":1052,"line":1095},[1050,1646,1099],{"emptyLinePlaceholder":1098},[1050,1648,1649],{"class":1052,"line":1102},[1050,1650,1651],{"class":1056},"# Method 1: Create and save\n",[1050,1653,1654,1656,1658,1660],{"class":1052,"line":1108},[1050,1655,1148],{"class":1067},[1050,1657,1114],{"class":1071},[1050,1659,1081],{"class":1127},[1050,1661,1131],{"class":1071},[1050,1663,1664,1667,1669,1672,1675,1677,1680],{"class":1052,"line":1134},[1050,1665,1666],{"class":1067},"post",[1050,1668,1072],{"class":1071},[1050,1670,1671],{"class":1121},"title",[1050,1673,1674],{"class":1071}," =",[1050,1676,1344],{"class":1204},[1050,1678,1679],{"class":1208},"My New Post",[1050,1681,1682],{"class":1204},"'\n",[1050,1684,1685,1687,1689,1692,1694,1696,1699],{"class":1052,"line":1139},[1050,1686,1666],{"class":1067},[1050,1688,1072],{"class":1071},[1050,1690,1691],{"class":1121},"content",[1050,1693,1674],{"class":1071},[1050,1695,1344],{"class":1204},[1050,1697,1698],{"class":1208},"This is the content of my post.",[1050,1700,1682],{"class":1204},[1050,1702,1703,1705,1707,1710,1712],{"class":1052,"line":1145},[1050,1704,1666],{"class":1067},[1050,1706,1072],{"class":1071},[1050,1708,1709],{"class":1121},"author_id",[1050,1711,1674],{"class":1071},[1050,1713,1714],{"class":1173}," 1\n",[1050,1716,1717,1719,1721,1724],{"class":1052,"line":1180},[1050,1718,1666],{"class":1067},[1050,1720,1072],{"class":1071},[1050,1722,1723],{"class":1127},"save",[1050,1725,1131],{"class":1071},[1050,1727,1728],{"class":1052,"line":1216},[1050,1729,1099],{"emptyLinePlaceholder":1098},[1050,1731,1732],{"class":1052,"line":1221},[1050,1733,1734],{"class":1056},"# Method 2: Create in one step\n",[1050,1736,1737,1739,1741,1743,1745,1747,1749,1752],{"class":1052,"line":1227},[1050,1738,1148],{"class":1067},[1050,1740,1114],{"class":1071},[1050,1742,1081],{"class":1067},[1050,1744,1072],{"class":1071},[1050,1746,1122],{"class":1121},[1050,1748,1072],{"class":1071},[1050,1750,1751],{"class":1127},"create",[1050,1753,1304],{"class":1071},[1050,1755,1756,1759,1761,1763,1766,1768],{"class":1052,"line":1248},[1050,1757,1758],{"class":1167},"    title",[1050,1760,1114],{"class":1071},[1050,1762,1205],{"class":1204},[1050,1764,1765],{"class":1208},"Another Post",[1050,1767,1205],{"class":1204},[1050,1769,1322],{"class":1071},[1050,1771,1772,1775,1777,1779,1782,1784],{"class":1052,"line":1269},[1050,1773,1774],{"class":1167},"    content",[1050,1776,1114],{"class":1071},[1050,1778,1205],{"class":1204},[1050,1780,1781],{"class":1208},"More content here.",[1050,1783,1205],{"class":1204},[1050,1785,1322],{"class":1071},[1050,1787,1788,1791,1793,1795],{"class":1052,"line":1274},[1050,1789,1790],{"class":1167},"    author_id",[1050,1792,1114],{"class":1071},[1050,1794,1174],{"class":1173},[1050,1796,1322],{"class":1071},[1050,1798,1799,1802,1804,1806,1808,1810],{"class":1052,"line":1280},[1050,1800,1801],{"class":1167},"    status",[1050,1803,1114],{"class":1071},[1050,1805,1205],{"class":1204},[1050,1807,1534],{"class":1208},[1050,1809,1205],{"class":1204},[1050,1811,1322],{"class":1071},[1050,1813,1814,1817,1819,1822,1824,1827],{"class":1052,"line":1307},[1050,1815,1816],{"class":1167},"    published_at",[1050,1818,1114],{"class":1071},[1050,1820,1821],{"class":1127},"timezone",[1050,1823,1072],{"class":1071},[1050,1825,1826],{"class":1127},"now",[1050,1828,1131],{"class":1071},[1050,1830,1831],{"class":1052,"line":1325},[1050,1832,1177],{"class":1071},[1050,1834,1835],{"class":1052,"line":1373},[1050,1836,1099],{"emptyLinePlaceholder":1098},[1050,1838,1839],{"class":1052,"line":1378},[1050,1840,1841],{"class":1056},"# Bulk create (more efficient for multiple objects)\n",[1050,1843,1844,1847,1849],{"class":1052,"line":1383},[1050,1845,1846],{"class":1067},"posts ",[1050,1848,1114],{"class":1071},[1050,1850,1851],{"class":1071}," [\n",[1050,1853,1854,1857,1859,1861,1863,1867,1870,1874,1877,1880,1882,1884,1887,1889,1891,1894,1896,1898,1900,1902,1904,1907,1909,1911],{"class":1052,"line":1389},[1050,1855,1856],{"class":1127},"    Post",[1050,1858,1164],{"class":1071},[1050,1860,1671],{"class":1167},[1050,1862,1114],{"class":1071},[1050,1864,1866],{"class":1865},"s5Kfy","f",[1050,1868,1869],{"class":1208},"'Post ",[1050,1871,1873],{"class":1872},"s3h35","{",[1050,1875,1876],{"class":1127},"i",[1050,1878,1879],{"class":1872},"}",[1050,1881,1205],{"class":1208},[1050,1883,1084],{"class":1071},[1050,1885,1886],{"class":1167}," content",[1050,1888,1114],{"class":1071},[1050,1890,1866],{"class":1865},[1050,1892,1893],{"class":1208},"'Content ",[1050,1895,1873],{"class":1872},[1050,1897,1876],{"class":1127},[1050,1899,1879],{"class":1872},[1050,1901,1205],{"class":1208},[1050,1903,1084],{"class":1071},[1050,1905,1906],{"class":1167}," author_id",[1050,1908,1114],{"class":1071},[1050,1910,1174],{"class":1173},[1050,1912,1177],{"class":1071},[1050,1914,1915,1918,1921,1924,1928,1930,1932,1934,1937],{"class":1052,"line":1413},[1050,1916,1917],{"class":1063},"    for",[1050,1919,1920],{"class":1067}," i ",[1050,1922,1923],{"class":1063},"in",[1050,1925,1927],{"class":1926},"sJdAF"," range",[1050,1929,1164],{"class":1071},[1050,1931,1174],{"class":1173},[1050,1933,1084],{"class":1071},[1050,1935,1936],{"class":1173}," 101",[1050,1938,1177],{"class":1071},[1050,1940,1941],{"class":1052,"line":1428},[1050,1942,1943],{"class":1071},"]\n",[1050,1945,1946,1949,1951,1953,1955,1958,1960,1963],{"class":1052,"line":1469},[1050,1947,1948],{"class":1067},"Post",[1050,1950,1072],{"class":1071},[1050,1952,1122],{"class":1121},[1050,1954,1072],{"class":1071},[1050,1956,1957],{"class":1127},"bulk_create",[1050,1959,1164],{"class":1071},[1050,1961,1962],{"class":1127},"posts",[1050,1964,1177],{"class":1071},[1050,1966,1967],{"class":1052,"line":1474},[1050,1968,1099],{"emptyLinePlaceholder":1098},[1050,1970,1971],{"class":1052,"line":1479},[1050,1972,1973],{"class":1056},"# Updating objects\n",[1050,1975,1976,1978,1980,1982,1984,1986,1988,1990,1992,1994,1996,1998],{"class":1052,"line":1485},[1050,1977,1148],{"class":1067},[1050,1979,1114],{"class":1071},[1050,1981,1081],{"class":1067},[1050,1983,1072],{"class":1071},[1050,1985,1122],{"class":1121},[1050,1987,1072],{"class":1071},[1050,1989,1161],{"class":1127},[1050,1991,1164],{"class":1071},[1050,1993,1168],{"class":1167},[1050,1995,1114],{"class":1071},[1050,1997,1174],{"class":1173},[1050,1999,1177],{"class":1071},[1050,2001,2002,2004,2006,2008,2010,2012,2015],{"class":1052,"line":1506},[1050,2003,1666],{"class":1067},[1050,2005,1072],{"class":1071},[1050,2007,1671],{"class":1121},[1050,2009,1674],{"class":1071},[1050,2011,1344],{"class":1204},[1050,2013,2014],{"class":1208},"Updated Title",[1050,2016,1682],{"class":1204},[1050,2018,2019,2021,2023,2025],{"class":1052,"line":1546},[1050,2020,1666],{"class":1067},[1050,2022,1072],{"class":1071},[1050,2024,1723],{"class":1127},[1050,2026,1131],{"class":1071},[1050,2028,2029],{"class":1052,"line":1551},[1050,2030,1099],{"emptyLinePlaceholder":1098},[1050,2032,2033],{"class":1052,"line":1557},[1050,2034,2035],{"class":1056},"# Update specific fields only\n",[1050,2037,2038,2040,2042,2044,2046,2049,2052,2054,2056,2058,2060,2062,2065,2067],{"class":1052,"line":1578},[1050,2039,1666],{"class":1067},[1050,2041,1072],{"class":1071},[1050,2043,1723],{"class":1127},[1050,2045,1164],{"class":1071},[1050,2047,2048],{"class":1167},"update_fields",[1050,2050,2051],{"class":1071},"=[",[1050,2053,1205],{"class":1204},[1050,2055,1671],{"class":1208},[1050,2057,1205],{"class":1204},[1050,2059,1084],{"class":1071},[1050,2061,1344],{"class":1204},[1050,2063,2064],{"class":1208},"updated_at",[1050,2066,1205],{"class":1204},[1050,2068,2069],{"class":1071},"])\n",[1050,2071,2073],{"class":1052,"line":2072},34,[1050,2074,1099],{"emptyLinePlaceholder":1098},[1050,2076,2078],{"class":1052,"line":2077},35,[1050,2079,2080],{"class":1056},"# Bulk update\n",[1050,2082,2084,2086,2088,2090,2092,2094,2096,2098,2100,2102,2105,2107,2109,2112],{"class":1052,"line":2083},36,[1050,2085,1948],{"class":1067},[1050,2087,1072],{"class":1071},[1050,2089,1122],{"class":1121},[1050,2091,1072],{"class":1071},[1050,2093,1522],{"class":1127},[1050,2095,1164],{"class":1071},[1050,2097,1527],{"class":1167},[1050,2099,1114],{"class":1071},[1050,2101,1205],{"class":1204},[1050,2103,2104],{"class":1208},"draft",[1050,2106,1205],{"class":1204},[1050,2108,1539],{"class":1071},[1050,2110,2111],{"class":1127},"update",[1050,2113,1304],{"class":1071},[1050,2115,2117,2119,2121,2123,2125,2127],{"class":1052,"line":2116},37,[1050,2118,1801],{"class":1167},[1050,2120,1114],{"class":1071},[1050,2122,1205],{"class":1204},[1050,2124,1534],{"class":1208},[1050,2126,1205],{"class":1204},[1050,2128,1322],{"class":1071},[1050,2130,2132,2134,2136,2138,2140,2142],{"class":1052,"line":2131},38,[1050,2133,1816],{"class":1167},[1050,2135,1114],{"class":1071},[1050,2137,1821],{"class":1127},[1050,2139,1072],{"class":1071},[1050,2141,1826],{"class":1127},[1050,2143,1131],{"class":1071},[1050,2145,2147],{"class":1052,"line":2146},39,[1050,2148,1177],{"class":1071},[1050,2150,2152],{"class":1052,"line":2151},40,[1050,2153,1099],{"emptyLinePlaceholder":1098},[1050,2155,2157],{"class":1052,"line":2156},41,[1050,2158,2159],{"class":1056},"# Update or create with bulk operations\n",[1050,2161,2163,2165,2167,2169,2171,2174],{"class":1052,"line":2162},42,[1050,2164,1948],{"class":1067},[1050,2166,1072],{"class":1071},[1050,2168,1122],{"class":1121},[1050,2170,1072],{"class":1071},[1050,2172,2173],{"class":1127},"bulk_update",[1050,2175,1304],{"class":1071},[1050,2177,2179,2182],{"class":1052,"line":2178},43,[1050,2180,2181],{"class":1127},"    posts",[1050,2183,1322],{"class":1071},[1050,2185,2187,2190,2192,2194,2196,2198,2200,2202,2204],{"class":1052,"line":2186},44,[1050,2188,2189],{"class":1071},"    [",[1050,2191,1205],{"class":1204},[1050,2193,1671],{"class":1208},[1050,2195,1205],{"class":1204},[1050,2197,1084],{"class":1071},[1050,2199,1344],{"class":1204},[1050,2201,1691],{"class":1208},[1050,2203,1205],{"class":1204},[1050,2205,2206],{"class":1071},"],\n",[1050,2208,2210,2213,2215],{"class":1052,"line":2209},45,[1050,2211,2212],{"class":1167},"    batch_size",[1050,2214,1114],{"class":1071},[1050,2216,2217],{"class":1173},"100\n",[1050,2219,2221],{"class":1052,"line":2220},46,[1050,2222,1177],{"class":1071},[1035,2224,2226],{"id":2225},"deleting-objects","Deleting Objects",[1040,2228,2230],{"className":1042,"code":2229,"language":1044,"meta":1045,"style":1045},"# Delete a single object\npost = Post.objects.get(id=1)\npost.delete()\n\n# Bulk delete\nPost.objects.filter(status='draft').delete()\n\n# Delete all objects (be careful!)\nPost.objects.all().delete()\n\n# Soft delete pattern\nclass SoftDeleteManager(models.Manager):\n    def get_queryset(self):\n        return super().get_queryset().filter(is_deleted=False)\n\nclass Post(models.Model):\n    title = models.CharField(max_length=200)\n    is_deleted = models.BooleanField(default=False)\n    deleted_at = models.DateTimeField(null=True, blank=True)\n    \n    objects = SoftDeleteManager()\n    all_objects = models.Manager()  # Include deleted objects\n    \n    def soft_delete(self):\n        self.is_deleted = True\n        self.deleted_at = timezone.now()\n        self.save()\n    \n    def restore(self):\n        self.is_deleted = False\n        self.deleted_at = None\n        self.save()\n",[1047,2231,2232,2237,2263,2274,2278,2283,2313,2317,2322,2341,2345,2350,2373,2390,2421,2425,2442,2469,2494,2529,2534,2545,2564,2568,2581,2596,2616,2626,2630,2643,2656,2669],{"__ignoreMap":1045},[1050,2233,2234],{"class":1052,"line":1053},[1050,2235,2236],{"class":1056},"# Delete a single object\n",[1050,2238,2239,2241,2243,2245,2247,2249,2251,2253,2255,2257,2259,2261],{"class":1052,"line":1060},[1050,2240,1148],{"class":1067},[1050,2242,1114],{"class":1071},[1050,2244,1081],{"class":1067},[1050,2246,1072],{"class":1071},[1050,2248,1122],{"class":1121},[1050,2250,1072],{"class":1071},[1050,2252,1161],{"class":1127},[1050,2254,1164],{"class":1071},[1050,2256,1168],{"class":1167},[1050,2258,1114],{"class":1071},[1050,2260,1174],{"class":1173},[1050,2262,1177],{"class":1071},[1050,2264,2265,2267,2269,2272],{"class":1052,"line":1095},[1050,2266,1666],{"class":1067},[1050,2268,1072],{"class":1071},[1050,2270,2271],{"class":1127},"delete",[1050,2273,1131],{"class":1071},[1050,2275,2276],{"class":1052,"line":1102},[1050,2277,1099],{"emptyLinePlaceholder":1098},[1050,2279,2280],{"class":1052,"line":1108},[1050,2281,2282],{"class":1056},"# Bulk delete\n",[1050,2284,2285,2287,2289,2291,2293,2295,2297,2299,2301,2303,2305,2307,2309,2311],{"class":1052,"line":1134},[1050,2286,1948],{"class":1067},[1050,2288,1072],{"class":1071},[1050,2290,1122],{"class":1121},[1050,2292,1072],{"class":1071},[1050,2294,1522],{"class":1127},[1050,2296,1164],{"class":1071},[1050,2298,1527],{"class":1167},[1050,2300,1114],{"class":1071},[1050,2302,1205],{"class":1204},[1050,2304,2104],{"class":1208},[1050,2306,1205],{"class":1204},[1050,2308,1539],{"class":1071},[1050,2310,2271],{"class":1127},[1050,2312,1131],{"class":1071},[1050,2314,2315],{"class":1052,"line":1139},[1050,2316,1099],{"emptyLinePlaceholder":1098},[1050,2318,2319],{"class":1052,"line":1145},[1050,2320,2321],{"class":1056},"# Delete all objects (be careful!)\n",[1050,2323,2324,2326,2328,2330,2332,2334,2337,2339],{"class":1052,"line":1180},[1050,2325,1948],{"class":1067},[1050,2327,1072],{"class":1071},[1050,2329,1122],{"class":1121},[1050,2331,1072],{"class":1071},[1050,2333,1128],{"class":1127},[1050,2335,2336],{"class":1071},"().",[1050,2338,2271],{"class":1127},[1050,2340,1131],{"class":1071},[1050,2342,2343],{"class":1052,"line":1216},[1050,2344,1099],{"emptyLinePlaceholder":1098},[1050,2346,2347],{"class":1052,"line":1221},[1050,2348,2349],{"class":1056},"# Soft delete pattern\n",[1050,2351,2352,2355,2359,2361,2365,2367,2370],{"class":1052,"line":1227},[1050,2353,2354],{"class":1865},"class",[1050,2356,2358],{"class":2357},"sD-vU"," SoftDeleteManager",[1050,2360,1164],{"class":1071},[1050,2362,2364],{"class":2363},"sYn-s","models",[1050,2366,1072],{"class":1071},[1050,2368,2369],{"class":2363},"Manager",[1050,2371,2372],{"class":1071},"):\n",[1050,2374,2375,2378,2382,2384,2388],{"class":1052,"line":1248},[1050,2376,2377],{"class":1865},"    def",[1050,2379,2381],{"class":2380},"sljsM"," get_queryset",[1050,2383,1164],{"class":1071},[1050,2385,2387],{"class":2386},"sRjD_","self",[1050,2389,2372],{"class":1071},[1050,2391,2392,2395,2399,2401,2404,2406,2408,2410,2413,2415,2419],{"class":1052,"line":1269},[1050,2393,2394],{"class":1063},"        return",[1050,2396,2398],{"class":2397},"sa2tF"," super",[1050,2400,2336],{"class":1071},[1050,2402,2403],{"class":1127},"get_queryset",[1050,2405,2336],{"class":1071},[1050,2407,1522],{"class":1127},[1050,2409,1164],{"class":1071},[1050,2411,2412],{"class":1167},"is_deleted",[1050,2414,1114],{"class":1071},[1050,2416,2418],{"class":2417},"s8XtY","False",[1050,2420,1177],{"class":1071},[1050,2422,2423],{"class":1052,"line":1274},[1050,2424,1099],{"emptyLinePlaceholder":1098},[1050,2426,2427,2429,2431,2433,2435,2437,2440],{"class":1052,"line":1280},[1050,2428,2354],{"class":1865},[1050,2430,1081],{"class":2357},[1050,2432,1164],{"class":1071},[1050,2434,2364],{"class":2363},[1050,2436,1072],{"class":1071},[1050,2438,2439],{"class":2363},"Model",[1050,2441,2372],{"class":1071},[1050,2443,2444,2447,2449,2452,2454,2457,2459,2462,2464,2467],{"class":1052,"line":1307},[1050,2445,2446],{"class":1067},"    title ",[1050,2448,1114],{"class":1071},[1050,2450,2451],{"class":1067}," models",[1050,2453,1072],{"class":1071},[1050,2455,2456],{"class":1127},"CharField",[1050,2458,1164],{"class":1071},[1050,2460,2461],{"class":1167},"max_length",[1050,2463,1114],{"class":1071},[1050,2465,2466],{"class":1173},"200",[1050,2468,1177],{"class":1071},[1050,2470,2471,2474,2476,2478,2480,2483,2485,2488,2490,2492],{"class":1052,"line":1325},[1050,2472,2473],{"class":1067},"    is_deleted ",[1050,2475,1114],{"class":1071},[1050,2477,2451],{"class":1067},[1050,2479,1072],{"class":1071},[1050,2481,2482],{"class":1127},"BooleanField",[1050,2484,1164],{"class":1071},[1050,2486,2487],{"class":1167},"default",[1050,2489,1114],{"class":1071},[1050,2491,2418],{"class":2417},[1050,2493,1177],{"class":1071},[1050,2495,2496,2499,2501,2503,2505,2508,2510,2513,2515,2518,2520,2523,2525,2527],{"class":1052,"line":1373},[1050,2497,2498],{"class":1067},"    deleted_at ",[1050,2500,1114],{"class":1071},[1050,2502,2451],{"class":1067},[1050,2504,1072],{"class":1071},[1050,2506,2507],{"class":1127},"DateTimeField",[1050,2509,1164],{"class":1071},[1050,2511,2512],{"class":1167},"null",[1050,2514,1114],{"class":1071},[1050,2516,2517],{"class":2417},"True",[1050,2519,1084],{"class":1071},[1050,2521,2522],{"class":1167}," blank",[1050,2524,1114],{"class":1071},[1050,2526,2517],{"class":2417},[1050,2528,1177],{"class":1071},[1050,2530,2531],{"class":1052,"line":1378},[1050,2532,2533],{"class":1067},"    \n",[1050,2535,2536,2539,2541,2543],{"class":1052,"line":1383},[1050,2537,2538],{"class":1067},"    objects ",[1050,2540,1114],{"class":1071},[1050,2542,2358],{"class":1127},[1050,2544,1131],{"class":1071},[1050,2546,2547,2550,2552,2554,2556,2558,2561],{"class":1052,"line":1389},[1050,2548,2549],{"class":1067},"    all_objects ",[1050,2551,1114],{"class":1071},[1050,2553,2451],{"class":1067},[1050,2555,1072],{"class":1071},[1050,2557,2369],{"class":1127},[1050,2559,2560],{"class":1071},"()",[1050,2562,2563],{"class":1056},"  # Include deleted objects\n",[1050,2565,2566],{"class":1052,"line":1413},[1050,2567,2533],{"class":1067},[1050,2569,2570,2572,2575,2577,2579],{"class":1052,"line":1428},[1050,2571,2377],{"class":1865},[1050,2573,2574],{"class":2380}," soft_delete",[1050,2576,1164],{"class":1071},[1050,2578,2387],{"class":2386},[1050,2580,2372],{"class":1071},[1050,2582,2583,2587,2589,2591,2593],{"class":1052,"line":1469},[1050,2584,2586],{"class":2585},"se3Ec","        self",[1050,2588,1072],{"class":1071},[1050,2590,2412],{"class":1121},[1050,2592,1674],{"class":1071},[1050,2594,2595],{"class":2417}," True\n",[1050,2597,2598,2600,2602,2605,2607,2610,2612,2614],{"class":1052,"line":1474},[1050,2599,2586],{"class":2585},[1050,2601,1072],{"class":1071},[1050,2603,2604],{"class":1121},"deleted_at",[1050,2606,1674],{"class":1071},[1050,2608,2609],{"class":1067}," timezone",[1050,2611,1072],{"class":1071},[1050,2613,1826],{"class":1127},[1050,2615,1131],{"class":1071},[1050,2617,2618,2620,2622,2624],{"class":1052,"line":1479},[1050,2619,2586],{"class":2585},[1050,2621,1072],{"class":1071},[1050,2623,1723],{"class":1127},[1050,2625,1131],{"class":1071},[1050,2627,2628],{"class":1052,"line":1485},[1050,2629,2533],{"class":1067},[1050,2631,2632,2634,2637,2639,2641],{"class":1052,"line":1506},[1050,2633,2377],{"class":1865},[1050,2635,2636],{"class":2380}," restore",[1050,2638,1164],{"class":1071},[1050,2640,2387],{"class":2386},[1050,2642,2372],{"class":1071},[1050,2644,2645,2647,2649,2651,2653],{"class":1052,"line":1546},[1050,2646,2586],{"class":2585},[1050,2648,1072],{"class":1071},[1050,2650,2412],{"class":1121},[1050,2652,1674],{"class":1071},[1050,2654,2655],{"class":2417}," False\n",[1050,2657,2658,2660,2662,2664,2666],{"class":1052,"line":1551},[1050,2659,2586],{"class":2585},[1050,2661,1072],{"class":1071},[1050,2663,2604],{"class":1121},[1050,2665,1674],{"class":1071},[1050,2667,2668],{"class":2417}," None\n",[1050,2670,2671,2673,2675,2677],{"class":1052,"line":1557},[1050,2672,2586],{"class":2585},[1050,2674,1072],{"class":1071},[1050,2676,1723],{"class":1127},[1050,2678,1131],{"class":1071},[1030,2680,2682],{"id":2681},"advanced-query-techniques","Advanced Query Techniques",[1035,2684,2686],{"id":2685},"complex-filtering-with-q-objects","Complex Filtering with Q Objects",[1040,2688,2690],{"className":1042,"code":2689,"language":1044,"meta":1045,"style":1045},"from django.db.models import Q\nfrom datetime import datetime, timedelta\n\n# OR conditions\nposts = Post.objects.filter(\n    Q(status='published') | Q(status='featured')\n)\n\n# AND conditions (default behavior)\nposts = Post.objects.filter(\n    Q(status='published') & Q(author__name='John Doe')\n)\n\n# NOT conditions\nposts = Post.objects.filter(\n    ~Q(status='draft')\n)\n\n# Complex combinations\nrecent_date = timezone.now() - timedelta(days=30)\nposts = Post.objects.filter(\n    (Q(status='published') | Q(status='featured')) &\n    Q(created_at__gte=recent_date) &\n    ~Q(author__email__endswith='@spam.com')\n)\n\n# Dynamic query building\ndef search_posts(title=None, author=None, category=None, status=None):\n    query = Q()\n    \n    if title:\n        query &= Q(title__icontains=title)\n    \n    if author:\n        query &= Q(author__name__icontains=author)\n    \n    if category:\n        query &= Q(category__slug=category)\n    \n    if status:\n        query &= Q(status=status)\n    \n    return Post.objects.filter(query)\n\n# Usage\nresults = search_posts(title='django', author='john', status='published')\n",[1047,2691,2692,2712,2729,2733,2738,2756,2798,2802,2806,2811,2829,2867,2871,2875,2880,2898,2920,2924,2928,2933,2966,2984,3027,3045,3067,3071,3075,3080,3127,3138,3142,3153,3174,3178,3186,3205,3209,3217,3237,3241,3249,3267,3271,3293,3297,3302],{"__ignoreMap":1045},[1050,2693,2694,2696,2698,2700,2703,2705,2707,2709],{"class":1052,"line":1053},[1050,2695,1064],{"class":1063},[1050,2697,1632],{"class":1067},[1050,2699,1072],{"class":1071},[1050,2701,2702],{"class":1067},"db",[1050,2704,1072],{"class":1071},[1050,2706,1075],{"class":1067},[1050,2708,1078],{"class":1063},[1050,2710,2711],{"class":1067}," Q\n",[1050,2713,2714,2716,2719,2721,2724,2726],{"class":1052,"line":1060},[1050,2715,1064],{"class":1063},[1050,2717,2718],{"class":1067}," datetime ",[1050,2720,1078],{"class":1063},[1050,2722,2723],{"class":1067}," datetime",[1050,2725,1084],{"class":1071},[1050,2727,2728],{"class":1067}," timedelta\n",[1050,2730,2731],{"class":1052,"line":1095},[1050,2732,1099],{"emptyLinePlaceholder":1098},[1050,2734,2735],{"class":1052,"line":1102},[1050,2736,2737],{"class":1056},"# OR conditions\n",[1050,2739,2740,2742,2744,2746,2748,2750,2752,2754],{"class":1052,"line":1108},[1050,2741,1846],{"class":1067},[1050,2743,1114],{"class":1071},[1050,2745,1081],{"class":1067},[1050,2747,1072],{"class":1071},[1050,2749,1122],{"class":1121},[1050,2751,1072],{"class":1071},[1050,2753,1522],{"class":1127},[1050,2755,1304],{"class":1071},[1050,2757,2758,2761,2763,2765,2767,2769,2771,2773,2776,2780,2783,2785,2787,2789,2791,2794,2796],{"class":1052,"line":1134},[1050,2759,2760],{"class":1127},"    Q",[1050,2762,1164],{"class":1071},[1050,2764,1527],{"class":1167},[1050,2766,1114],{"class":1071},[1050,2768,1205],{"class":1204},[1050,2770,1534],{"class":1208},[1050,2772,1205],{"class":1204},[1050,2774,2775],{"class":1071},")",[1050,2777,2779],{"class":2778},"sVsLi"," |",[1050,2781,2782],{"class":1127}," Q",[1050,2784,1164],{"class":1071},[1050,2786,1527],{"class":1167},[1050,2788,1114],{"class":1071},[1050,2790,1205],{"class":1204},[1050,2792,2793],{"class":1208},"featured",[1050,2795,1205],{"class":1204},[1050,2797,1177],{"class":1071},[1050,2799,2800],{"class":1052,"line":1139},[1050,2801,1177],{"class":1071},[1050,2803,2804],{"class":1052,"line":1145},[1050,2805,1099],{"emptyLinePlaceholder":1098},[1050,2807,2808],{"class":1052,"line":1180},[1050,2809,2810],{"class":1056},"# AND conditions (default behavior)\n",[1050,2812,2813,2815,2817,2819,2821,2823,2825,2827],{"class":1052,"line":1216},[1050,2814,1846],{"class":1067},[1050,2816,1114],{"class":1071},[1050,2818,1081],{"class":1067},[1050,2820,1072],{"class":1071},[1050,2822,1122],{"class":1121},[1050,2824,1072],{"class":1071},[1050,2826,1522],{"class":1127},[1050,2828,1304],{"class":1071},[1050,2830,2831,2833,2835,2837,2839,2841,2843,2845,2847,2850,2852,2854,2857,2859,2861,2863,2865],{"class":1052,"line":1221},[1050,2832,2760],{"class":1127},[1050,2834,1164],{"class":1071},[1050,2836,1527],{"class":1167},[1050,2838,1114],{"class":1071},[1050,2840,1205],{"class":1204},[1050,2842,1534],{"class":1208},[1050,2844,1205],{"class":1204},[1050,2846,2775],{"class":1071},[1050,2848,2849],{"class":2778}," &",[1050,2851,2782],{"class":1127},[1050,2853,1164],{"class":1071},[1050,2855,2856],{"class":1167},"author__name",[1050,2858,1114],{"class":1071},[1050,2860,1205],{"class":1204},[1050,2862,1347],{"class":1208},[1050,2864,1205],{"class":1204},[1050,2866,1177],{"class":1071},[1050,2868,2869],{"class":1052,"line":1227},[1050,2870,1177],{"class":1071},[1050,2872,2873],{"class":1052,"line":1248},[1050,2874,1099],{"emptyLinePlaceholder":1098},[1050,2876,2877],{"class":1052,"line":1269},[1050,2878,2879],{"class":1056},"# NOT conditions\n",[1050,2881,2882,2884,2886,2888,2890,2892,2894,2896],{"class":1052,"line":1274},[1050,2883,1846],{"class":1067},[1050,2885,1114],{"class":1071},[1050,2887,1081],{"class":1067},[1050,2889,1072],{"class":1071},[1050,2891,1122],{"class":1121},[1050,2893,1072],{"class":1071},[1050,2895,1522],{"class":1127},[1050,2897,1304],{"class":1071},[1050,2899,2900,2903,2906,2908,2910,2912,2914,2916,2918],{"class":1052,"line":1280},[1050,2901,2902],{"class":2778},"    ~",[1050,2904,2905],{"class":1127},"Q",[1050,2907,1164],{"class":1071},[1050,2909,1527],{"class":1167},[1050,2911,1114],{"class":1071},[1050,2913,1205],{"class":1204},[1050,2915,2104],{"class":1208},[1050,2917,1205],{"class":1204},[1050,2919,1177],{"class":1071},[1050,2921,2922],{"class":1052,"line":1307},[1050,2923,1177],{"class":1071},[1050,2925,2926],{"class":1052,"line":1325},[1050,2927,1099],{"emptyLinePlaceholder":1098},[1050,2929,2930],{"class":1052,"line":1373},[1050,2931,2932],{"class":1056},"# Complex combinations\n",[1050,2934,2935,2938,2940,2942,2944,2946,2948,2951,2954,2956,2959,2961,2964],{"class":1052,"line":1378},[1050,2936,2937],{"class":1067},"recent_date ",[1050,2939,1114],{"class":1071},[1050,2941,2609],{"class":1067},[1050,2943,1072],{"class":1071},[1050,2945,1826],{"class":1127},[1050,2947,2560],{"class":1071},[1050,2949,2950],{"class":2778}," -",[1050,2952,2953],{"class":1127}," timedelta",[1050,2955,1164],{"class":1071},[1050,2957,2958],{"class":1167},"days",[1050,2960,1114],{"class":1071},[1050,2962,2963],{"class":1173},"30",[1050,2965,1177],{"class":1071},[1050,2967,2968,2970,2972,2974,2976,2978,2980,2982],{"class":1052,"line":1383},[1050,2969,1846],{"class":1067},[1050,2971,1114],{"class":1071},[1050,2973,1081],{"class":1067},[1050,2975,1072],{"class":1071},[1050,2977,1122],{"class":1121},[1050,2979,1072],{"class":1071},[1050,2981,1522],{"class":1127},[1050,2983,1304],{"class":1071},[1050,2985,2986,2989,2991,2993,2995,2997,2999,3001,3003,3005,3007,3009,3011,3013,3015,3017,3019,3021,3024],{"class":1052,"line":1389},[1050,2987,2988],{"class":1071},"    (",[1050,2990,2905],{"class":1127},[1050,2992,1164],{"class":1071},[1050,2994,1527],{"class":1167},[1050,2996,1114],{"class":1071},[1050,2998,1205],{"class":1204},[1050,3000,1534],{"class":1208},[1050,3002,1205],{"class":1204},[1050,3004,2775],{"class":1071},[1050,3006,2779],{"class":2778},[1050,3008,2782],{"class":1127},[1050,3010,1164],{"class":1071},[1050,3012,1527],{"class":1167},[1050,3014,1114],{"class":1071},[1050,3016,1205],{"class":1204},[1050,3018,2793],{"class":1208},[1050,3020,1205],{"class":1204},[1050,3022,3023],{"class":1071},"))",[1050,3025,3026],{"class":2778}," &\n",[1050,3028,3029,3031,3033,3036,3038,3041,3043],{"class":1052,"line":1413},[1050,3030,2760],{"class":1127},[1050,3032,1164],{"class":1071},[1050,3034,3035],{"class":1167},"created_at__gte",[1050,3037,1114],{"class":1071},[1050,3039,3040],{"class":1127},"recent_date",[1050,3042,2775],{"class":1071},[1050,3044,3026],{"class":2778},[1050,3046,3047,3049,3051,3053,3056,3058,3060,3063,3065],{"class":1052,"line":1428},[1050,3048,2902],{"class":2778},[1050,3050,2905],{"class":1127},[1050,3052,1164],{"class":1071},[1050,3054,3055],{"class":1167},"author__email__endswith",[1050,3057,1114],{"class":1071},[1050,3059,1205],{"class":1204},[1050,3061,3062],{"class":1208},"@spam.com",[1050,3064,1205],{"class":1204},[1050,3066,1177],{"class":1071},[1050,3068,3069],{"class":1052,"line":1469},[1050,3070,1177],{"class":1071},[1050,3072,3073],{"class":1052,"line":1474},[1050,3074,1099],{"emptyLinePlaceholder":1098},[1050,3076,3077],{"class":1052,"line":1479},[1050,3078,3079],{"class":1056},"# Dynamic query building\n",[1050,3081,3082,3085,3088,3090,3093,3095,3098,3100,3103,3105,3107,3109,3112,3114,3116,3118,3121,3123,3125],{"class":1052,"line":1485},[1050,3083,3084],{"class":1865},"def",[1050,3086,3087],{"class":2380}," search_posts",[1050,3089,1164],{"class":1071},[1050,3091,1671],{"class":3092},"sCyAa",[1050,3094,1114],{"class":2778},[1050,3096,3097],{"class":2417},"None",[1050,3099,1084],{"class":1071},[1050,3101,3102],{"class":3092}," author",[1050,3104,1114],{"class":2778},[1050,3106,3097],{"class":2417},[1050,3108,1084],{"class":1071},[1050,3110,3111],{"class":3092}," category",[1050,3113,1114],{"class":2778},[1050,3115,3097],{"class":2417},[1050,3117,1084],{"class":1071},[1050,3119,3120],{"class":3092}," status",[1050,3122,1114],{"class":2778},[1050,3124,3097],{"class":2417},[1050,3126,2372],{"class":1071},[1050,3128,3129,3132,3134,3136],{"class":1052,"line":1506},[1050,3130,3131],{"class":1067},"    query ",[1050,3133,1114],{"class":1071},[1050,3135,2782],{"class":1127},[1050,3137,1131],{"class":1071},[1050,3139,3140],{"class":1052,"line":1546},[1050,3141,2533],{"class":1067},[1050,3143,3144,3147,3150],{"class":1052,"line":1551},[1050,3145,3146],{"class":1063},"    if",[1050,3148,3149],{"class":1067}," title",[1050,3151,3152],{"class":1071},":\n",[1050,3154,3155,3158,3161,3163,3165,3168,3170,3172],{"class":1052,"line":1557},[1050,3156,3157],{"class":1067},"        query ",[1050,3159,3160],{"class":1071},"&=",[1050,3162,2782],{"class":1127},[1050,3164,1164],{"class":1071},[1050,3166,3167],{"class":1167},"title__icontains",[1050,3169,1114],{"class":1071},[1050,3171,1671],{"class":1127},[1050,3173,1177],{"class":1071},[1050,3175,3176],{"class":1052,"line":1578},[1050,3177,2533],{"class":1067},[1050,3179,3180,3182,3184],{"class":1052,"line":2072},[1050,3181,3146],{"class":1063},[1050,3183,3102],{"class":1067},[1050,3185,3152],{"class":1071},[1050,3187,3188,3190,3192,3194,3196,3199,3201,3203],{"class":1052,"line":2077},[1050,3189,3157],{"class":1067},[1050,3191,3160],{"class":1071},[1050,3193,2782],{"class":1127},[1050,3195,1164],{"class":1071},[1050,3197,3198],{"class":1167},"author__name__icontains",[1050,3200,1114],{"class":1071},[1050,3202,1283],{"class":1127},[1050,3204,1177],{"class":1071},[1050,3206,3207],{"class":1052,"line":2083},[1050,3208,2533],{"class":1067},[1050,3210,3211,3213,3215],{"class":1052,"line":2116},[1050,3212,3146],{"class":1063},[1050,3214,3111],{"class":1067},[1050,3216,3152],{"class":1071},[1050,3218,3219,3221,3223,3225,3227,3230,3232,3235],{"class":1052,"line":2131},[1050,3220,3157],{"class":1067},[1050,3222,3160],{"class":1071},[1050,3224,2782],{"class":1127},[1050,3226,1164],{"class":1071},[1050,3228,3229],{"class":1167},"category__slug",[1050,3231,1114],{"class":1071},[1050,3233,3234],{"class":1127},"category",[1050,3236,1177],{"class":1071},[1050,3238,3239],{"class":1052,"line":2146},[1050,3240,2533],{"class":1067},[1050,3242,3243,3245,3247],{"class":1052,"line":2151},[1050,3244,3146],{"class":1063},[1050,3246,3120],{"class":1067},[1050,3248,3152],{"class":1071},[1050,3250,3251,3253,3255,3257,3259,3261,3263,3265],{"class":1052,"line":2156},[1050,3252,3157],{"class":1067},[1050,3254,3160],{"class":1071},[1050,3256,2782],{"class":1127},[1050,3258,1164],{"class":1071},[1050,3260,1527],{"class":1167},[1050,3262,1114],{"class":1071},[1050,3264,1527],{"class":1127},[1050,3266,1177],{"class":1071},[1050,3268,3269],{"class":1052,"line":2162},[1050,3270,2533],{"class":1067},[1050,3272,3273,3276,3278,3280,3282,3284,3286,3288,3291],{"class":1052,"line":2178},[1050,3274,3275],{"class":1063},"    return",[1050,3277,1081],{"class":1067},[1050,3279,1072],{"class":1071},[1050,3281,1122],{"class":1121},[1050,3283,1072],{"class":1071},[1050,3285,1522],{"class":1127},[1050,3287,1164],{"class":1071},[1050,3289,3290],{"class":1127},"query",[1050,3292,1177],{"class":1071},[1050,3294,3295],{"class":1052,"line":2186},[1050,3296,1099],{"emptyLinePlaceholder":1098},[1050,3298,3299],{"class":1052,"line":2209},[1050,3300,3301],{"class":1056},"# Usage\n",[1050,3303,3304,3307,3309,3311,3313,3315,3317,3319,3322,3324,3326,3328,3330,3332,3335,3337,3339,3341,3343,3345,3347,3349],{"class":1052,"line":2220},[1050,3305,3306],{"class":1067},"results ",[1050,3308,1114],{"class":1071},[1050,3310,3087],{"class":1127},[1050,3312,1164],{"class":1071},[1050,3314,1671],{"class":1167},[1050,3316,1114],{"class":1071},[1050,3318,1205],{"class":1204},[1050,3320,3321],{"class":1208},"django",[1050,3323,1205],{"class":1204},[1050,3325,1084],{"class":1071},[1050,3327,3102],{"class":1167},[1050,3329,1114],{"class":1071},[1050,3331,1205],{"class":1204},[1050,3333,3334],{"class":1208},"john",[1050,3336,1205],{"class":1204},[1050,3338,1084],{"class":1071},[1050,3340,3120],{"class":1167},[1050,3342,1114],{"class":1071},[1050,3344,1205],{"class":1204},[1050,3346,1534],{"class":1208},[1050,3348,1205],{"class":1204},[1050,3350,1177],{"class":1071},[1035,3352,3354],{"id":3353},"field-lookups-and-comparisons","Field Lookups and Comparisons",[1040,3356,3358],{"className":1042,"code":3357,"language":1044,"meta":1045,"style":1045},"# Exact matches\nposts = Post.objects.filter(status='published')\nposts = Post.objects.filter(status__exact='published')  # Same as above\n\n# Case-insensitive exact match\nposts = Post.objects.filter(title__iexact='Django Tutorial')\n\n# Contains (case-sensitive)\nposts = Post.objects.filter(title__contains='Django')\n\n# Case-insensitive contains\nposts = Post.objects.filter(title__icontains='django')\n\n# Starts with / ends with\nposts = Post.objects.filter(title__startswith='How to')\nposts = Post.objects.filter(title__endswith='Tutorial')\nposts = Post.objects.filter(title__istartswith='how to')  # Case-insensitive\n\n# Null checks\nposts = Post.objects.filter(published_at__isnull=True)\nposts = Post.objects.filter(published_at__isnull=False)\n\n# In a list\npost_ids = [1, 2, 3, 4, 5]\nposts = Post.objects.filter(id__in=post_ids)\n\ncategories = ['tech', 'programming', 'web-development']\nposts = Post.objects.filter(category__slug__in=categories)\n\n# Range queries\nfrom datetime import date\nstart_date = date(2023, 1, 1)\nend_date = date(2023, 12, 31)\nposts = Post.objects.filter(created_at__range=(start_date, end_date))\n\n# Greater than / less than\nposts = Post.objects.filter(view_count__gt=1000)\nposts = Post.objects.filter(view_count__gte=1000)  # Greater than or equal\nposts = Post.objects.filter(view_count__lt=100)\nposts = Post.objects.filter(view_count__lte=100)   # Less than or equal\n\n# Date/time lookups\nposts = Post.objects.filter(created_at__year=2023)\nposts = Post.objects.filter(created_at__month=12)\nposts = Post.objects.filter(created_at__day=25)\nposts = Post.objects.filter(created_at__week_day=1)  # Sunday = 1\nposts = Post.objects.filter(created_at__hour=14)\n\n# Date comparisons\ntoday = timezone.now().date()\nposts = Post.objects.filter(created_at__date=today)\nposts = Post.objects.filter(created_at__date__gte=today)\n\n# Regular expressions (PostgreSQL, MySQL, SQLite)\nposts = Post.objects.filter(title__regex=r'^(How|What|Why)')\nposts = Post.objects.filter(title__iregex=r'^(how|what|why)')  # Case-insensitive\n",[1047,3359,3360,3365,3395,3429,3433,3438,3470,3474,3479,3511,3515,3520,3550,3554,3559,3591,3623,3658,3662,3667,3694,3720,3724,3729,3763,3791,3795,3831,3859,3863,3868,3879,3905,3930,3965,3969,3974,4002,4032,4060,4090,4094,4099,4126,4154,4182,4212,4241,4246,4252,4273,4302,4330,4335,4341,4397],{"__ignoreMap":1045},[1050,3361,3362],{"class":1052,"line":1053},[1050,3363,3364],{"class":1056},"# Exact matches\n",[1050,3366,3367,3369,3371,3373,3375,3377,3379,3381,3383,3385,3387,3389,3391,3393],{"class":1052,"line":1060},[1050,3368,1846],{"class":1067},[1050,3370,1114],{"class":1071},[1050,3372,1081],{"class":1067},[1050,3374,1072],{"class":1071},[1050,3376,1122],{"class":1121},[1050,3378,1072],{"class":1071},[1050,3380,1522],{"class":1127},[1050,3382,1164],{"class":1071},[1050,3384,1527],{"class":1167},[1050,3386,1114],{"class":1071},[1050,3388,1205],{"class":1204},[1050,3390,1534],{"class":1208},[1050,3392,1205],{"class":1204},[1050,3394,1177],{"class":1071},[1050,3396,3397,3399,3401,3403,3405,3407,3409,3411,3413,3416,3418,3420,3422,3424,3426],{"class":1052,"line":1095},[1050,3398,1846],{"class":1067},[1050,3400,1114],{"class":1071},[1050,3402,1081],{"class":1067},[1050,3404,1072],{"class":1071},[1050,3406,1122],{"class":1121},[1050,3408,1072],{"class":1071},[1050,3410,1522],{"class":1127},[1050,3412,1164],{"class":1071},[1050,3414,3415],{"class":1167},"status__exact",[1050,3417,1114],{"class":1071},[1050,3419,1205],{"class":1204},[1050,3421,1534],{"class":1208},[1050,3423,1205],{"class":1204},[1050,3425,2775],{"class":1071},[1050,3427,3428],{"class":1056},"  # Same as above\n",[1050,3430,3431],{"class":1052,"line":1102},[1050,3432,1099],{"emptyLinePlaceholder":1098},[1050,3434,3435],{"class":1052,"line":1108},[1050,3436,3437],{"class":1056},"# Case-insensitive exact match\n",[1050,3439,3440,3442,3444,3446,3448,3450,3452,3454,3456,3459,3461,3463,3466,3468],{"class":1052,"line":1134},[1050,3441,1846],{"class":1067},[1050,3443,1114],{"class":1071},[1050,3445,1081],{"class":1067},[1050,3447,1072],{"class":1071},[1050,3449,1122],{"class":1121},[1050,3451,1072],{"class":1071},[1050,3453,1522],{"class":1127},[1050,3455,1164],{"class":1071},[1050,3457,3458],{"class":1167},"title__iexact",[1050,3460,1114],{"class":1071},[1050,3462,1205],{"class":1204},[1050,3464,3465],{"class":1208},"Django Tutorial",[1050,3467,1205],{"class":1204},[1050,3469,1177],{"class":1071},[1050,3471,3472],{"class":1052,"line":1139},[1050,3473,1099],{"emptyLinePlaceholder":1098},[1050,3475,3476],{"class":1052,"line":1145},[1050,3477,3478],{"class":1056},"# Contains (case-sensitive)\n",[1050,3480,3481,3483,3485,3487,3489,3491,3493,3495,3497,3500,3502,3504,3507,3509],{"class":1052,"line":1180},[1050,3482,1846],{"class":1067},[1050,3484,1114],{"class":1071},[1050,3486,1081],{"class":1067},[1050,3488,1072],{"class":1071},[1050,3490,1122],{"class":1121},[1050,3492,1072],{"class":1071},[1050,3494,1522],{"class":1127},[1050,3496,1164],{"class":1071},[1050,3498,3499],{"class":1167},"title__contains",[1050,3501,1114],{"class":1071},[1050,3503,1205],{"class":1204},[1050,3505,3506],{"class":1208},"Django",[1050,3508,1205],{"class":1204},[1050,3510,1177],{"class":1071},[1050,3512,3513],{"class":1052,"line":1216},[1050,3514,1099],{"emptyLinePlaceholder":1098},[1050,3516,3517],{"class":1052,"line":1221},[1050,3518,3519],{"class":1056},"# Case-insensitive contains\n",[1050,3521,3522,3524,3526,3528,3530,3532,3534,3536,3538,3540,3542,3544,3546,3548],{"class":1052,"line":1227},[1050,3523,1846],{"class":1067},[1050,3525,1114],{"class":1071},[1050,3527,1081],{"class":1067},[1050,3529,1072],{"class":1071},[1050,3531,1122],{"class":1121},[1050,3533,1072],{"class":1071},[1050,3535,1522],{"class":1127},[1050,3537,1164],{"class":1071},[1050,3539,3167],{"class":1167},[1050,3541,1114],{"class":1071},[1050,3543,1205],{"class":1204},[1050,3545,3321],{"class":1208},[1050,3547,1205],{"class":1204},[1050,3549,1177],{"class":1071},[1050,3551,3552],{"class":1052,"line":1248},[1050,3553,1099],{"emptyLinePlaceholder":1098},[1050,3555,3556],{"class":1052,"line":1269},[1050,3557,3558],{"class":1056},"# Starts with / ends with\n",[1050,3560,3561,3563,3565,3567,3569,3571,3573,3575,3577,3580,3582,3584,3587,3589],{"class":1052,"line":1274},[1050,3562,1846],{"class":1067},[1050,3564,1114],{"class":1071},[1050,3566,1081],{"class":1067},[1050,3568,1072],{"class":1071},[1050,3570,1122],{"class":1121},[1050,3572,1072],{"class":1071},[1050,3574,1522],{"class":1127},[1050,3576,1164],{"class":1071},[1050,3578,3579],{"class":1167},"title__startswith",[1050,3581,1114],{"class":1071},[1050,3583,1205],{"class":1204},[1050,3585,3586],{"class":1208},"How to",[1050,3588,1205],{"class":1204},[1050,3590,1177],{"class":1071},[1050,3592,3593,3595,3597,3599,3601,3603,3605,3607,3609,3612,3614,3616,3619,3621],{"class":1052,"line":1280},[1050,3594,1846],{"class":1067},[1050,3596,1114],{"class":1071},[1050,3598,1081],{"class":1067},[1050,3600,1072],{"class":1071},[1050,3602,1122],{"class":1121},[1050,3604,1072],{"class":1071},[1050,3606,1522],{"class":1127},[1050,3608,1164],{"class":1071},[1050,3610,3611],{"class":1167},"title__endswith",[1050,3613,1114],{"class":1071},[1050,3615,1205],{"class":1204},[1050,3617,3618],{"class":1208},"Tutorial",[1050,3620,1205],{"class":1204},[1050,3622,1177],{"class":1071},[1050,3624,3625,3627,3629,3631,3633,3635,3637,3639,3641,3644,3646,3648,3651,3653,3655],{"class":1052,"line":1307},[1050,3626,1846],{"class":1067},[1050,3628,1114],{"class":1071},[1050,3630,1081],{"class":1067},[1050,3632,1072],{"class":1071},[1050,3634,1122],{"class":1121},[1050,3636,1072],{"class":1071},[1050,3638,1522],{"class":1127},[1050,3640,1164],{"class":1071},[1050,3642,3643],{"class":1167},"title__istartswith",[1050,3645,1114],{"class":1071},[1050,3647,1205],{"class":1204},[1050,3649,3650],{"class":1208},"how to",[1050,3652,1205],{"class":1204},[1050,3654,2775],{"class":1071},[1050,3656,3657],{"class":1056},"  # Case-insensitive\n",[1050,3659,3660],{"class":1052,"line":1325},[1050,3661,1099],{"emptyLinePlaceholder":1098},[1050,3663,3664],{"class":1052,"line":1373},[1050,3665,3666],{"class":1056},"# Null checks\n",[1050,3668,3669,3671,3673,3675,3677,3679,3681,3683,3685,3688,3690,3692],{"class":1052,"line":1378},[1050,3670,1846],{"class":1067},[1050,3672,1114],{"class":1071},[1050,3674,1081],{"class":1067},[1050,3676,1072],{"class":1071},[1050,3678,1122],{"class":1121},[1050,3680,1072],{"class":1071},[1050,3682,1522],{"class":1127},[1050,3684,1164],{"class":1071},[1050,3686,3687],{"class":1167},"published_at__isnull",[1050,3689,1114],{"class":1071},[1050,3691,2517],{"class":2417},[1050,3693,1177],{"class":1071},[1050,3695,3696,3698,3700,3702,3704,3706,3708,3710,3712,3714,3716,3718],{"class":1052,"line":1383},[1050,3697,1846],{"class":1067},[1050,3699,1114],{"class":1071},[1050,3701,1081],{"class":1067},[1050,3703,1072],{"class":1071},[1050,3705,1122],{"class":1121},[1050,3707,1072],{"class":1071},[1050,3709,1522],{"class":1127},[1050,3711,1164],{"class":1071},[1050,3713,3687],{"class":1167},[1050,3715,1114],{"class":1071},[1050,3717,2418],{"class":2417},[1050,3719,1177],{"class":1071},[1050,3721,3722],{"class":1052,"line":1389},[1050,3723,1099],{"emptyLinePlaceholder":1098},[1050,3725,3726],{"class":1052,"line":1413},[1050,3727,3728],{"class":1056},"# In a list\n",[1050,3730,3731,3734,3736,3739,3741,3743,3746,3748,3751,3753,3756,3758,3761],{"class":1052,"line":1428},[1050,3732,3733],{"class":1067},"post_ids ",[1050,3735,1114],{"class":1071},[1050,3737,3738],{"class":1071}," [",[1050,3740,1174],{"class":1173},[1050,3742,1084],{"class":1071},[1050,3744,3745],{"class":1173}," 2",[1050,3747,1084],{"class":1071},[1050,3749,3750],{"class":1173}," 3",[1050,3752,1084],{"class":1071},[1050,3754,3755],{"class":1173}," 4",[1050,3757,1084],{"class":1071},[1050,3759,3760],{"class":1173}," 5",[1050,3762,1943],{"class":1071},[1050,3764,3765,3767,3769,3771,3773,3775,3777,3779,3781,3784,3786,3789],{"class":1052,"line":1469},[1050,3766,1846],{"class":1067},[1050,3768,1114],{"class":1071},[1050,3770,1081],{"class":1067},[1050,3772,1072],{"class":1071},[1050,3774,1122],{"class":1121},[1050,3776,1072],{"class":1071},[1050,3778,1522],{"class":1127},[1050,3780,1164],{"class":1071},[1050,3782,3783],{"class":1167},"id__in",[1050,3785,1114],{"class":1071},[1050,3787,3788],{"class":1127},"post_ids",[1050,3790,1177],{"class":1071},[1050,3792,3793],{"class":1052,"line":1474},[1050,3794,1099],{"emptyLinePlaceholder":1098},[1050,3796,3797,3800,3802,3804,3806,3809,3811,3813,3815,3818,3820,3822,3824,3827,3829],{"class":1052,"line":1479},[1050,3798,3799],{"class":1067},"categories ",[1050,3801,1114],{"class":1071},[1050,3803,3738],{"class":1071},[1050,3805,1205],{"class":1204},[1050,3807,3808],{"class":1208},"tech",[1050,3810,1205],{"class":1204},[1050,3812,1084],{"class":1071},[1050,3814,1344],{"class":1204},[1050,3816,3817],{"class":1208},"programming",[1050,3819,1205],{"class":1204},[1050,3821,1084],{"class":1071},[1050,3823,1344],{"class":1204},[1050,3825,3826],{"class":1208},"web-development",[1050,3828,1205],{"class":1204},[1050,3830,1943],{"class":1071},[1050,3832,3833,3835,3837,3839,3841,3843,3845,3847,3849,3852,3854,3857],{"class":1052,"line":1485},[1050,3834,1846],{"class":1067},[1050,3836,1114],{"class":1071},[1050,3838,1081],{"class":1067},[1050,3840,1072],{"class":1071},[1050,3842,1122],{"class":1121},[1050,3844,1072],{"class":1071},[1050,3846,1522],{"class":1127},[1050,3848,1164],{"class":1071},[1050,3850,3851],{"class":1167},"category__slug__in",[1050,3853,1114],{"class":1071},[1050,3855,3856],{"class":1127},"categories",[1050,3858,1177],{"class":1071},[1050,3860,3861],{"class":1052,"line":1506},[1050,3862,1099],{"emptyLinePlaceholder":1098},[1050,3864,3865],{"class":1052,"line":1546},[1050,3866,3867],{"class":1056},"# Range queries\n",[1050,3869,3870,3872,3874,3876],{"class":1052,"line":1551},[1050,3871,1064],{"class":1063},[1050,3873,2718],{"class":1067},[1050,3875,1078],{"class":1063},[1050,3877,3878],{"class":1067}," date\n",[1050,3880,3881,3884,3886,3889,3891,3894,3896,3899,3901,3903],{"class":1052,"line":1557},[1050,3882,3883],{"class":1067},"start_date ",[1050,3885,1114],{"class":1071},[1050,3887,3888],{"class":1127}," date",[1050,3890,1164],{"class":1071},[1050,3892,3893],{"class":1173},"2023",[1050,3895,1084],{"class":1071},[1050,3897,3898],{"class":1173}," 1",[1050,3900,1084],{"class":1071},[1050,3902,3898],{"class":1173},[1050,3904,1177],{"class":1071},[1050,3906,3907,3910,3912,3914,3916,3918,3920,3923,3925,3928],{"class":1052,"line":1578},[1050,3908,3909],{"class":1067},"end_date ",[1050,3911,1114],{"class":1071},[1050,3913,3888],{"class":1127},[1050,3915,1164],{"class":1071},[1050,3917,3893],{"class":1173},[1050,3919,1084],{"class":1071},[1050,3921,3922],{"class":1173}," 12",[1050,3924,1084],{"class":1071},[1050,3926,3927],{"class":1173}," 31",[1050,3929,1177],{"class":1071},[1050,3931,3932,3934,3936,3938,3940,3942,3944,3946,3948,3951,3954,3957,3959,3962],{"class":1052,"line":2072},[1050,3933,1846],{"class":1067},[1050,3935,1114],{"class":1071},[1050,3937,1081],{"class":1067},[1050,3939,1072],{"class":1071},[1050,3941,1122],{"class":1121},[1050,3943,1072],{"class":1071},[1050,3945,1522],{"class":1127},[1050,3947,1164],{"class":1071},[1050,3949,3950],{"class":1167},"created_at__range",[1050,3952,3953],{"class":1071},"=(",[1050,3955,3956],{"class":1127},"start_date",[1050,3958,1084],{"class":1071},[1050,3960,3961],{"class":1127}," end_date",[1050,3963,3964],{"class":1071},"))\n",[1050,3966,3967],{"class":1052,"line":2077},[1050,3968,1099],{"emptyLinePlaceholder":1098},[1050,3970,3971],{"class":1052,"line":2083},[1050,3972,3973],{"class":1056},"# Greater than / less than\n",[1050,3975,3976,3978,3980,3982,3984,3986,3988,3990,3992,3995,3997,4000],{"class":1052,"line":2116},[1050,3977,1846],{"class":1067},[1050,3979,1114],{"class":1071},[1050,3981,1081],{"class":1067},[1050,3983,1072],{"class":1071},[1050,3985,1122],{"class":1121},[1050,3987,1072],{"class":1071},[1050,3989,1522],{"class":1127},[1050,3991,1164],{"class":1071},[1050,3993,3994],{"class":1167},"view_count__gt",[1050,3996,1114],{"class":1071},[1050,3998,3999],{"class":1173},"1000",[1050,4001,1177],{"class":1071},[1050,4003,4004,4006,4008,4010,4012,4014,4016,4018,4020,4023,4025,4027,4029],{"class":1052,"line":2131},[1050,4005,1846],{"class":1067},[1050,4007,1114],{"class":1071},[1050,4009,1081],{"class":1067},[1050,4011,1072],{"class":1071},[1050,4013,1122],{"class":1121},[1050,4015,1072],{"class":1071},[1050,4017,1522],{"class":1127},[1050,4019,1164],{"class":1071},[1050,4021,4022],{"class":1167},"view_count__gte",[1050,4024,1114],{"class":1071},[1050,4026,3999],{"class":1173},[1050,4028,2775],{"class":1071},[1050,4030,4031],{"class":1056},"  # Greater than or equal\n",[1050,4033,4034,4036,4038,4040,4042,4044,4046,4048,4050,4053,4055,4058],{"class":1052,"line":2146},[1050,4035,1846],{"class":1067},[1050,4037,1114],{"class":1071},[1050,4039,1081],{"class":1067},[1050,4041,1072],{"class":1071},[1050,4043,1122],{"class":1121},[1050,4045,1072],{"class":1071},[1050,4047,1522],{"class":1127},[1050,4049,1164],{"class":1071},[1050,4051,4052],{"class":1167},"view_count__lt",[1050,4054,1114],{"class":1071},[1050,4056,4057],{"class":1173},"100",[1050,4059,1177],{"class":1071},[1050,4061,4062,4064,4066,4068,4070,4072,4074,4076,4078,4081,4083,4085,4087],{"class":1052,"line":2151},[1050,4063,1846],{"class":1067},[1050,4065,1114],{"class":1071},[1050,4067,1081],{"class":1067},[1050,4069,1072],{"class":1071},[1050,4071,1122],{"class":1121},[1050,4073,1072],{"class":1071},[1050,4075,1522],{"class":1127},[1050,4077,1164],{"class":1071},[1050,4079,4080],{"class":1167},"view_count__lte",[1050,4082,1114],{"class":1071},[1050,4084,4057],{"class":1173},[1050,4086,2775],{"class":1071},[1050,4088,4089],{"class":1056},"   # Less than or equal\n",[1050,4091,4092],{"class":1052,"line":2156},[1050,4093,1099],{"emptyLinePlaceholder":1098},[1050,4095,4096],{"class":1052,"line":2162},[1050,4097,4098],{"class":1056},"# Date/time lookups\n",[1050,4100,4101,4103,4105,4107,4109,4111,4113,4115,4117,4120,4122,4124],{"class":1052,"line":2178},[1050,4102,1846],{"class":1067},[1050,4104,1114],{"class":1071},[1050,4106,1081],{"class":1067},[1050,4108,1072],{"class":1071},[1050,4110,1122],{"class":1121},[1050,4112,1072],{"class":1071},[1050,4114,1522],{"class":1127},[1050,4116,1164],{"class":1071},[1050,4118,4119],{"class":1167},"created_at__year",[1050,4121,1114],{"class":1071},[1050,4123,3893],{"class":1173},[1050,4125,1177],{"class":1071},[1050,4127,4128,4130,4132,4134,4136,4138,4140,4142,4144,4147,4149,4152],{"class":1052,"line":2186},[1050,4129,1846],{"class":1067},[1050,4131,1114],{"class":1071},[1050,4133,1081],{"class":1067},[1050,4135,1072],{"class":1071},[1050,4137,1122],{"class":1121},[1050,4139,1072],{"class":1071},[1050,4141,1522],{"class":1127},[1050,4143,1164],{"class":1071},[1050,4145,4146],{"class":1167},"created_at__month",[1050,4148,1114],{"class":1071},[1050,4150,4151],{"class":1173},"12",[1050,4153,1177],{"class":1071},[1050,4155,4156,4158,4160,4162,4164,4166,4168,4170,4172,4175,4177,4180],{"class":1052,"line":2209},[1050,4157,1846],{"class":1067},[1050,4159,1114],{"class":1071},[1050,4161,1081],{"class":1067},[1050,4163,1072],{"class":1071},[1050,4165,1122],{"class":1121},[1050,4167,1072],{"class":1071},[1050,4169,1522],{"class":1127},[1050,4171,1164],{"class":1071},[1050,4173,4174],{"class":1167},"created_at__day",[1050,4176,1114],{"class":1071},[1050,4178,4179],{"class":1173},"25",[1050,4181,1177],{"class":1071},[1050,4183,4184,4186,4188,4190,4192,4194,4196,4198,4200,4203,4205,4207,4209],{"class":1052,"line":2220},[1050,4185,1846],{"class":1067},[1050,4187,1114],{"class":1071},[1050,4189,1081],{"class":1067},[1050,4191,1072],{"class":1071},[1050,4193,1122],{"class":1121},[1050,4195,1072],{"class":1071},[1050,4197,1522],{"class":1127},[1050,4199,1164],{"class":1071},[1050,4201,4202],{"class":1167},"created_at__week_day",[1050,4204,1114],{"class":1071},[1050,4206,1174],{"class":1173},[1050,4208,2775],{"class":1071},[1050,4210,4211],{"class":1056},"  # Sunday = 1\n",[1050,4213,4215,4217,4219,4221,4223,4225,4227,4229,4231,4234,4236,4239],{"class":1052,"line":4214},47,[1050,4216,1846],{"class":1067},[1050,4218,1114],{"class":1071},[1050,4220,1081],{"class":1067},[1050,4222,1072],{"class":1071},[1050,4224,1122],{"class":1121},[1050,4226,1072],{"class":1071},[1050,4228,1522],{"class":1127},[1050,4230,1164],{"class":1071},[1050,4232,4233],{"class":1167},"created_at__hour",[1050,4235,1114],{"class":1071},[1050,4237,4238],{"class":1173},"14",[1050,4240,1177],{"class":1071},[1050,4242,4244],{"class":1052,"line":4243},48,[1050,4245,1099],{"emptyLinePlaceholder":1098},[1050,4247,4249],{"class":1052,"line":4248},49,[1050,4250,4251],{"class":1056},"# Date comparisons\n",[1050,4253,4255,4258,4260,4262,4264,4266,4268,4271],{"class":1052,"line":4254},50,[1050,4256,4257],{"class":1067},"today ",[1050,4259,1114],{"class":1071},[1050,4261,2609],{"class":1067},[1050,4263,1072],{"class":1071},[1050,4265,1826],{"class":1127},[1050,4267,2336],{"class":1071},[1050,4269,4270],{"class":1127},"date",[1050,4272,1131],{"class":1071},[1050,4274,4276,4278,4280,4282,4284,4286,4288,4290,4292,4295,4297,4300],{"class":1052,"line":4275},51,[1050,4277,1846],{"class":1067},[1050,4279,1114],{"class":1071},[1050,4281,1081],{"class":1067},[1050,4283,1072],{"class":1071},[1050,4285,1122],{"class":1121},[1050,4287,1072],{"class":1071},[1050,4289,1522],{"class":1127},[1050,4291,1164],{"class":1071},[1050,4293,4294],{"class":1167},"created_at__date",[1050,4296,1114],{"class":1071},[1050,4298,4299],{"class":1127},"today",[1050,4301,1177],{"class":1071},[1050,4303,4305,4307,4309,4311,4313,4315,4317,4319,4321,4324,4326,4328],{"class":1052,"line":4304},52,[1050,4306,1846],{"class":1067},[1050,4308,1114],{"class":1071},[1050,4310,1081],{"class":1067},[1050,4312,1072],{"class":1071},[1050,4314,1122],{"class":1121},[1050,4316,1072],{"class":1071},[1050,4318,1522],{"class":1127},[1050,4320,1164],{"class":1071},[1050,4322,4323],{"class":1167},"created_at__date__gte",[1050,4325,1114],{"class":1071},[1050,4327,4299],{"class":1127},[1050,4329,1177],{"class":1071},[1050,4331,4333],{"class":1052,"line":4332},53,[1050,4334,1099],{"emptyLinePlaceholder":1098},[1050,4336,4338],{"class":1052,"line":4337},54,[1050,4339,4340],{"class":1056},"# Regular expressions (PostgreSQL, MySQL, SQLite)\n",[1050,4342,4344,4346,4348,4350,4352,4354,4356,4358,4360,4363,4365,4368,4370,4374,4376,4380,4383,4386,4388,4391,4393,4395],{"class":1052,"line":4343},55,[1050,4345,1846],{"class":1067},[1050,4347,1114],{"class":1071},[1050,4349,1081],{"class":1067},[1050,4351,1072],{"class":1071},[1050,4353,1122],{"class":1121},[1050,4355,1072],{"class":1071},[1050,4357,1522],{"class":1127},[1050,4359,1164],{"class":1071},[1050,4361,4362],{"class":1167},"title__regex",[1050,4364,1114],{"class":1071},[1050,4366,4367],{"class":1865},"r",[1050,4369,1205],{"class":1204},[1050,4371,4373],{"class":4372},"sRJPX","^",[1050,4375,1164],{"class":1071},[1050,4377,4379],{"class":4378},"s27EL","How",[1050,4381,4382],{"class":2778},"|",[1050,4384,4385],{"class":4378},"What",[1050,4387,4382],{"class":2778},[1050,4389,4390],{"class":4378},"Why",[1050,4392,2775],{"class":1071},[1050,4394,1205],{"class":1204},[1050,4396,1177],{"class":1071},[1050,4398,4400,4402,4404,4406,4408,4410,4412,4414,4416,4419,4421,4423,4425,4427,4429,4432,4434,4437,4439,4442,4444,4446,4448],{"class":1052,"line":4399},56,[1050,4401,1846],{"class":1067},[1050,4403,1114],{"class":1071},[1050,4405,1081],{"class":1067},[1050,4407,1072],{"class":1071},[1050,4409,1122],{"class":1121},[1050,4411,1072],{"class":1071},[1050,4413,1522],{"class":1127},[1050,4415,1164],{"class":1071},[1050,4417,4418],{"class":1167},"title__iregex",[1050,4420,1114],{"class":1071},[1050,4422,4367],{"class":1865},[1050,4424,1205],{"class":1204},[1050,4426,4373],{"class":4372},[1050,4428,1164],{"class":1071},[1050,4430,4431],{"class":4378},"how",[1050,4433,4382],{"class":2778},[1050,4435,4436],{"class":4378},"what",[1050,4438,4382],{"class":2778},[1050,4440,4441],{"class":4378},"why",[1050,4443,2775],{"class":1071},[1050,4445,1205],{"class":1204},[1050,4447,2775],{"class":1071},[1050,4449,3657],{"class":1056},[1035,4451,4453],{"id":4452},"relationship-queries","Relationship Queries",[1040,4455,4457],{"className":1042,"code":4456,"language":1044,"meta":1045,"style":1045},"# Forward relationships (following foreign keys)\n# Get posts by a specific author\nauthor_posts = Post.objects.filter(author__name='John Doe')\nauthor_posts = Post.objects.filter(author__email='john@example.com')\n\n# Multiple relationship hops\nposts = Post.objects.filter(author__profile__city='New York')\n\n# Reverse relationships (following related_name)\n# Get authors who have published posts\nauthors_with_posts = Author.objects.filter(posts__status='published')\n\n# Get categories that have posts\ncategories_with_posts = Category.objects.filter(posts__isnull=False)\n\n# Many-to-many relationships\n# Posts with specific tags\nposts_with_django_tag = Post.objects.filter(tags__name='Django')\n\n# Posts with multiple tags (AND condition)\nposts = Post.objects.filter(tags__name='Django').filter(tags__name='Python')\n\n# Posts with any of multiple tags (OR condition)\nposts = Post.objects.filter(tags__name__in=['Django', 'Python', 'Web'])\n\n# Exclude posts with certain tags\nposts = Post.objects.exclude(tags__name='Deprecated')\n\n# Complex relationship queries\n# Authors who have posts in multiple categories\nauthors = Author.objects.filter(\n    posts__category__name='Technology'\n).filter(\n    posts__category__name='Programming'\n).distinct()\n\n# Posts by authors from specific cities with high view counts\nposts = Post.objects.filter(\n    author__profile__city='San Francisco',\n    view_count__gte=1000,\n    status='published'\n)\n",[1047,4458,4459,4464,4469,4500,4531,4535,4540,4572,4576,4581,4586,4618,4622,4627,4656,4660,4665,4670,4702,4706,4711,4758,4762,4767,4815,4819,4824,4856,4860,4865,4870,4889,4903,4911,4924,4933,4937,4942,4960,4976,4987,4999],{"__ignoreMap":1045},[1050,4460,4461],{"class":1052,"line":1053},[1050,4462,4463],{"class":1056},"# Forward relationships (following foreign keys)\n",[1050,4465,4466],{"class":1052,"line":1060},[1050,4467,4468],{"class":1056},"# Get posts by a specific author\n",[1050,4470,4471,4474,4476,4478,4480,4482,4484,4486,4488,4490,4492,4494,4496,4498],{"class":1052,"line":1095},[1050,4472,4473],{"class":1067},"author_posts ",[1050,4475,1114],{"class":1071},[1050,4477,1081],{"class":1067},[1050,4479,1072],{"class":1071},[1050,4481,1122],{"class":1121},[1050,4483,1072],{"class":1071},[1050,4485,1522],{"class":1127},[1050,4487,1164],{"class":1071},[1050,4489,2856],{"class":1167},[1050,4491,1114],{"class":1071},[1050,4493,1205],{"class":1204},[1050,4495,1347],{"class":1208},[1050,4497,1205],{"class":1204},[1050,4499,1177],{"class":1071},[1050,4501,4502,4504,4506,4508,4510,4512,4514,4516,4518,4521,4523,4525,4527,4529],{"class":1052,"line":1102},[1050,4503,4473],{"class":1067},[1050,4505,1114],{"class":1071},[1050,4507,1081],{"class":1067},[1050,4509,1072],{"class":1071},[1050,4511,1122],{"class":1121},[1050,4513,1072],{"class":1071},[1050,4515,1522],{"class":1127},[1050,4517,1164],{"class":1071},[1050,4519,4520],{"class":1167},"author__email",[1050,4522,1114],{"class":1071},[1050,4524,1205],{"class":1204},[1050,4526,1317],{"class":1208},[1050,4528,1205],{"class":1204},[1050,4530,1177],{"class":1071},[1050,4532,4533],{"class":1052,"line":1108},[1050,4534,1099],{"emptyLinePlaceholder":1098},[1050,4536,4537],{"class":1052,"line":1134},[1050,4538,4539],{"class":1056},"# Multiple relationship hops\n",[1050,4541,4542,4544,4546,4548,4550,4552,4554,4556,4558,4561,4563,4565,4568,4570],{"class":1052,"line":1139},[1050,4543,1846],{"class":1067},[1050,4545,1114],{"class":1071},[1050,4547,1081],{"class":1067},[1050,4549,1072],{"class":1071},[1050,4551,1122],{"class":1121},[1050,4553,1072],{"class":1071},[1050,4555,1522],{"class":1127},[1050,4557,1164],{"class":1071},[1050,4559,4560],{"class":1167},"author__profile__city",[1050,4562,1114],{"class":1071},[1050,4564,1205],{"class":1204},[1050,4566,4567],{"class":1208},"New York",[1050,4569,1205],{"class":1204},[1050,4571,1177],{"class":1071},[1050,4573,4574],{"class":1052,"line":1145},[1050,4575,1099],{"emptyLinePlaceholder":1098},[1050,4577,4578],{"class":1052,"line":1180},[1050,4579,4580],{"class":1056},"# Reverse relationships (following related_name)\n",[1050,4582,4583],{"class":1052,"line":1216},[1050,4584,4585],{"class":1056},"# Get authors who have published posts\n",[1050,4587,4588,4591,4593,4595,4597,4599,4601,4603,4605,4608,4610,4612,4614,4616],{"class":1052,"line":1221},[1050,4589,4590],{"class":1067},"authors_with_posts ",[1050,4592,1114],{"class":1071},[1050,4594,1087],{"class":1067},[1050,4596,1072],{"class":1071},[1050,4598,1122],{"class":1121},[1050,4600,1072],{"class":1071},[1050,4602,1522],{"class":1127},[1050,4604,1164],{"class":1071},[1050,4606,4607],{"class":1167},"posts__status",[1050,4609,1114],{"class":1071},[1050,4611,1205],{"class":1204},[1050,4613,1534],{"class":1208},[1050,4615,1205],{"class":1204},[1050,4617,1177],{"class":1071},[1050,4619,4620],{"class":1052,"line":1227},[1050,4621,1099],{"emptyLinePlaceholder":1098},[1050,4623,4624],{"class":1052,"line":1248},[1050,4625,4626],{"class":1056},"# Get categories that have posts\n",[1050,4628,4629,4632,4634,4637,4639,4641,4643,4645,4647,4650,4652,4654],{"class":1052,"line":1269},[1050,4630,4631],{"class":1067},"categories_with_posts ",[1050,4633,1114],{"class":1071},[1050,4635,4636],{"class":1067}," Category",[1050,4638,1072],{"class":1071},[1050,4640,1122],{"class":1121},[1050,4642,1072],{"class":1071},[1050,4644,1522],{"class":1127},[1050,4646,1164],{"class":1071},[1050,4648,4649],{"class":1167},"posts__isnull",[1050,4651,1114],{"class":1071},[1050,4653,2418],{"class":2417},[1050,4655,1177],{"class":1071},[1050,4657,4658],{"class":1052,"line":1274},[1050,4659,1099],{"emptyLinePlaceholder":1098},[1050,4661,4662],{"class":1052,"line":1280},[1050,4663,4664],{"class":1056},"# Many-to-many relationships\n",[1050,4666,4667],{"class":1052,"line":1307},[1050,4668,4669],{"class":1056},"# Posts with specific tags\n",[1050,4671,4672,4675,4677,4679,4681,4683,4685,4687,4689,4692,4694,4696,4698,4700],{"class":1052,"line":1325},[1050,4673,4674],{"class":1067},"posts_with_django_tag ",[1050,4676,1114],{"class":1071},[1050,4678,1081],{"class":1067},[1050,4680,1072],{"class":1071},[1050,4682,1122],{"class":1121},[1050,4684,1072],{"class":1071},[1050,4686,1522],{"class":1127},[1050,4688,1164],{"class":1071},[1050,4690,4691],{"class":1167},"tags__name",[1050,4693,1114],{"class":1071},[1050,4695,1205],{"class":1204},[1050,4697,3506],{"class":1208},[1050,4699,1205],{"class":1204},[1050,4701,1177],{"class":1071},[1050,4703,4704],{"class":1052,"line":1373},[1050,4705,1099],{"emptyLinePlaceholder":1098},[1050,4707,4708],{"class":1052,"line":1378},[1050,4709,4710],{"class":1056},"# Posts with multiple tags (AND condition)\n",[1050,4712,4713,4715,4717,4719,4721,4723,4725,4727,4729,4731,4733,4735,4737,4739,4741,4743,4745,4747,4749,4751,4754,4756],{"class":1052,"line":1383},[1050,4714,1846],{"class":1067},[1050,4716,1114],{"class":1071},[1050,4718,1081],{"class":1067},[1050,4720,1072],{"class":1071},[1050,4722,1122],{"class":1121},[1050,4724,1072],{"class":1071},[1050,4726,1522],{"class":1127},[1050,4728,1164],{"class":1071},[1050,4730,4691],{"class":1167},[1050,4732,1114],{"class":1071},[1050,4734,1205],{"class":1204},[1050,4736,3506],{"class":1208},[1050,4738,1205],{"class":1204},[1050,4740,1539],{"class":1071},[1050,4742,1522],{"class":1127},[1050,4744,1164],{"class":1071},[1050,4746,4691],{"class":1167},[1050,4748,1114],{"class":1071},[1050,4750,1205],{"class":1204},[1050,4752,4753],{"class":1208},"Python",[1050,4755,1205],{"class":1204},[1050,4757,1177],{"class":1071},[1050,4759,4760],{"class":1052,"line":1389},[1050,4761,1099],{"emptyLinePlaceholder":1098},[1050,4763,4764],{"class":1052,"line":1413},[1050,4765,4766],{"class":1056},"# Posts with any of multiple tags (OR condition)\n",[1050,4768,4769,4771,4773,4775,4777,4779,4781,4783,4785,4788,4790,4792,4794,4796,4798,4800,4802,4804,4806,4808,4811,4813],{"class":1052,"line":1428},[1050,4770,1846],{"class":1067},[1050,4772,1114],{"class":1071},[1050,4774,1081],{"class":1067},[1050,4776,1072],{"class":1071},[1050,4778,1122],{"class":1121},[1050,4780,1072],{"class":1071},[1050,4782,1522],{"class":1127},[1050,4784,1164],{"class":1071},[1050,4786,4787],{"class":1167},"tags__name__in",[1050,4789,2051],{"class":1071},[1050,4791,1205],{"class":1204},[1050,4793,3506],{"class":1208},[1050,4795,1205],{"class":1204},[1050,4797,1084],{"class":1071},[1050,4799,1344],{"class":1204},[1050,4801,4753],{"class":1208},[1050,4803,1205],{"class":1204},[1050,4805,1084],{"class":1071},[1050,4807,1344],{"class":1204},[1050,4809,4810],{"class":1208},"Web",[1050,4812,1205],{"class":1204},[1050,4814,2069],{"class":1071},[1050,4816,4817],{"class":1052,"line":1469},[1050,4818,1099],{"emptyLinePlaceholder":1098},[1050,4820,4821],{"class":1052,"line":1474},[1050,4822,4823],{"class":1056},"# Exclude posts with certain tags\n",[1050,4825,4826,4828,4830,4832,4834,4836,4838,4841,4843,4845,4847,4849,4852,4854],{"class":1052,"line":1479},[1050,4827,1846],{"class":1067},[1050,4829,1114],{"class":1071},[1050,4831,1081],{"class":1067},[1050,4833,1072],{"class":1071},[1050,4835,1122],{"class":1121},[1050,4837,1072],{"class":1071},[1050,4839,4840],{"class":1127},"exclude",[1050,4842,1164],{"class":1071},[1050,4844,4691],{"class":1167},[1050,4846,1114],{"class":1071},[1050,4848,1205],{"class":1204},[1050,4850,4851],{"class":1208},"Deprecated",[1050,4853,1205],{"class":1204},[1050,4855,1177],{"class":1071},[1050,4857,4858],{"class":1052,"line":1485},[1050,4859,1099],{"emptyLinePlaceholder":1098},[1050,4861,4862],{"class":1052,"line":1506},[1050,4863,4864],{"class":1056},"# Complex relationship queries\n",[1050,4866,4867],{"class":1052,"line":1546},[1050,4868,4869],{"class":1056},"# Authors who have posts in multiple categories\n",[1050,4871,4872,4875,4877,4879,4881,4883,4885,4887],{"class":1052,"line":1551},[1050,4873,4874],{"class":1067},"authors ",[1050,4876,1114],{"class":1071},[1050,4878,1087],{"class":1067},[1050,4880,1072],{"class":1071},[1050,4882,1122],{"class":1121},[1050,4884,1072],{"class":1071},[1050,4886,1522],{"class":1127},[1050,4888,1304],{"class":1071},[1050,4890,4891,4894,4896,4898,4901],{"class":1052,"line":1557},[1050,4892,4893],{"class":1167},"    posts__category__name",[1050,4895,1114],{"class":1071},[1050,4897,1205],{"class":1204},[1050,4899,4900],{"class":1208},"Technology",[1050,4902,1682],{"class":1204},[1050,4904,4905,4907,4909],{"class":1052,"line":1578},[1050,4906,1539],{"class":1071},[1050,4908,1522],{"class":1127},[1050,4910,1304],{"class":1071},[1050,4912,4913,4915,4917,4919,4922],{"class":1052,"line":2072},[1050,4914,4893],{"class":1167},[1050,4916,1114],{"class":1071},[1050,4918,1205],{"class":1204},[1050,4920,4921],{"class":1208},"Programming",[1050,4923,1682],{"class":1204},[1050,4925,4926,4928,4931],{"class":1052,"line":2077},[1050,4927,1539],{"class":1071},[1050,4929,4930],{"class":1127},"distinct",[1050,4932,1131],{"class":1071},[1050,4934,4935],{"class":1052,"line":2083},[1050,4936,1099],{"emptyLinePlaceholder":1098},[1050,4938,4939],{"class":1052,"line":2116},[1050,4940,4941],{"class":1056},"# Posts by authors from specific cities with high view counts\n",[1050,4943,4944,4946,4948,4950,4952,4954,4956,4958],{"class":1052,"line":2131},[1050,4945,1846],{"class":1067},[1050,4947,1114],{"class":1071},[1050,4949,1081],{"class":1067},[1050,4951,1072],{"class":1071},[1050,4953,1122],{"class":1121},[1050,4955,1072],{"class":1071},[1050,4957,1522],{"class":1127},[1050,4959,1304],{"class":1071},[1050,4961,4962,4965,4967,4969,4972,4974],{"class":1052,"line":2146},[1050,4963,4964],{"class":1167},"    author__profile__city",[1050,4966,1114],{"class":1071},[1050,4968,1205],{"class":1204},[1050,4970,4971],{"class":1208},"San Francisco",[1050,4973,1205],{"class":1204},[1050,4975,1322],{"class":1071},[1050,4977,4978,4981,4983,4985],{"class":1052,"line":2151},[1050,4979,4980],{"class":1167},"    view_count__gte",[1050,4982,1114],{"class":1071},[1050,4984,3999],{"class":1173},[1050,4986,1322],{"class":1071},[1050,4988,4989,4991,4993,4995,4997],{"class":1052,"line":2156},[1050,4990,1801],{"class":1167},[1050,4992,1114],{"class":1071},[1050,4994,1205],{"class":1204},[1050,4996,1534],{"class":1208},[1050,4998,1682],{"class":1204},[1050,5000,5001],{"class":1052,"line":2162},[1050,5002,1177],{"class":1071},[1030,5004,5006],{"id":5005},"query-optimization-techniques","Query Optimization Techniques",[1035,5008,5010],{"id":5009},"select-related-and-prefetch-related","Select Related and Prefetch Related",[1040,5012,5014],{"className":1042,"code":5013,"language":1044,"meta":1045,"style":1045},"# Without optimization (N+1 query problem)\nposts = Post.objects.all()\nfor post in posts:\n    print(post.author.name)  # Each iteration hits the database\n\n# With select_related (for foreign keys and one-to-one)\nposts = Post.objects.select_related('author', 'category').all()\nfor post in posts:\n    print(post.author.name)  # No additional queries\n\n# Multiple levels of relationships\nposts = Post.objects.select_related(\n    'author',\n    'author__profile',\n    'category',\n    'category__parent'\n).all()\n\n# With prefetch_related (for many-to-many and reverse foreign keys)\nposts = Post.objects.prefetch_related('tags').all()\nfor post in posts:\n    for tag in post.tags.all():  # No additional queries\n        print(tag.name)\n\n# Combining select_related and prefetch_related\nposts = Post.objects.select_related('author', 'category').prefetch_related('tags').all()\n\n# Custom prefetch queries\nfrom django.db.models import Prefetch\n\n# Prefetch only published comments\nposts = Post.objects.prefetch_related(\n    Prefetch(\n        'comments',\n        queryset=Comment.objects.filter(is_approved=True).select_related('author')\n    )\n).all()\n\n# Prefetch with ordering\nposts = Post.objects.prefetch_related(\n    Prefetch(\n        'comments',\n        queryset=Comment.objects.filter(is_approved=True).order_by('-created_at')\n    )\n).all()\n",[1047,5015,5016,5021,5039,5054,5076,5080,5085,5124,5136,5157,5161,5166,5184,5195,5206,5216,5225,5233,5237,5242,5274,5286,5311,5327,5331,5336,5386,5390,5395,5414,5418,5423,5441,5448,5460,5501,5506,5514,5518,5523,5541,5547,5557,5597,5601],{"__ignoreMap":1045},[1050,5017,5018],{"class":1052,"line":1053},[1050,5019,5020],{"class":1056},"# Without optimization (N+1 query problem)\n",[1050,5022,5023,5025,5027,5029,5031,5033,5035,5037],{"class":1052,"line":1060},[1050,5024,1846],{"class":1067},[1050,5026,1114],{"class":1071},[1050,5028,1081],{"class":1067},[1050,5030,1072],{"class":1071},[1050,5032,1122],{"class":1121},[1050,5034,1072],{"class":1071},[1050,5036,1128],{"class":1127},[1050,5038,1131],{"class":1071},[1050,5040,5041,5044,5047,5049,5052],{"class":1052,"line":1095},[1050,5042,5043],{"class":1063},"for",[1050,5045,5046],{"class":1067}," post ",[1050,5048,1923],{"class":1063},[1050,5050,5051],{"class":1067}," posts",[1050,5053,3152],{"class":1071},[1050,5055,5056,5059,5061,5063,5065,5067,5069,5071,5073],{"class":1052,"line":1102},[1050,5057,5058],{"class":1926},"    print",[1050,5060,1164],{"class":1071},[1050,5062,1666],{"class":1127},[1050,5064,1072],{"class":1071},[1050,5066,1283],{"class":1121},[1050,5068,1072],{"class":1071},[1050,5070,1336],{"class":1121},[1050,5072,2775],{"class":1071},[1050,5074,5075],{"class":1056},"  # Each iteration hits the database\n",[1050,5077,5078],{"class":1052,"line":1108},[1050,5079,1099],{"emptyLinePlaceholder":1098},[1050,5081,5082],{"class":1052,"line":1134},[1050,5083,5084],{"class":1056},"# With select_related (for foreign keys and one-to-one)\n",[1050,5086,5087,5089,5091,5093,5095,5097,5099,5102,5104,5106,5108,5110,5112,5114,5116,5118,5120,5122],{"class":1052,"line":1139},[1050,5088,1846],{"class":1067},[1050,5090,1114],{"class":1071},[1050,5092,1081],{"class":1067},[1050,5094,1072],{"class":1071},[1050,5096,1122],{"class":1121},[1050,5098,1072],{"class":1071},[1050,5100,5101],{"class":1127},"select_related",[1050,5103,1164],{"class":1071},[1050,5105,1205],{"class":1204},[1050,5107,1283],{"class":1208},[1050,5109,1205],{"class":1204},[1050,5111,1084],{"class":1071},[1050,5113,1344],{"class":1204},[1050,5115,3234],{"class":1208},[1050,5117,1205],{"class":1204},[1050,5119,1539],{"class":1071},[1050,5121,1128],{"class":1127},[1050,5123,1131],{"class":1071},[1050,5125,5126,5128,5130,5132,5134],{"class":1052,"line":1145},[1050,5127,5043],{"class":1063},[1050,5129,5046],{"class":1067},[1050,5131,1923],{"class":1063},[1050,5133,5051],{"class":1067},[1050,5135,3152],{"class":1071},[1050,5137,5138,5140,5142,5144,5146,5148,5150,5152,5154],{"class":1052,"line":1180},[1050,5139,5058],{"class":1926},[1050,5141,1164],{"class":1071},[1050,5143,1666],{"class":1127},[1050,5145,1072],{"class":1071},[1050,5147,1283],{"class":1121},[1050,5149,1072],{"class":1071},[1050,5151,1336],{"class":1121},[1050,5153,2775],{"class":1071},[1050,5155,5156],{"class":1056},"  # No additional queries\n",[1050,5158,5159],{"class":1052,"line":1216},[1050,5160,1099],{"emptyLinePlaceholder":1098},[1050,5162,5163],{"class":1052,"line":1221},[1050,5164,5165],{"class":1056},"# Multiple levels of relationships\n",[1050,5167,5168,5170,5172,5174,5176,5178,5180,5182],{"class":1052,"line":1227},[1050,5169,1846],{"class":1067},[1050,5171,1114],{"class":1071},[1050,5173,1081],{"class":1067},[1050,5175,1072],{"class":1071},[1050,5177,1122],{"class":1121},[1050,5179,1072],{"class":1071},[1050,5181,5101],{"class":1127},[1050,5183,1304],{"class":1071},[1050,5185,5186,5189,5191,5193],{"class":1052,"line":1248},[1050,5187,5188],{"class":1204},"    '",[1050,5190,1283],{"class":1208},[1050,5192,1205],{"class":1204},[1050,5194,1322],{"class":1071},[1050,5196,5197,5199,5202,5204],{"class":1052,"line":1269},[1050,5198,5188],{"class":1204},[1050,5200,5201],{"class":1208},"author__profile",[1050,5203,1205],{"class":1204},[1050,5205,1322],{"class":1071},[1050,5207,5208,5210,5212,5214],{"class":1052,"line":1274},[1050,5209,5188],{"class":1204},[1050,5211,3234],{"class":1208},[1050,5213,1205],{"class":1204},[1050,5215,1322],{"class":1071},[1050,5217,5218,5220,5223],{"class":1052,"line":1280},[1050,5219,5188],{"class":1204},[1050,5221,5222],{"class":1208},"category__parent",[1050,5224,1682],{"class":1204},[1050,5226,5227,5229,5231],{"class":1052,"line":1307},[1050,5228,1539],{"class":1071},[1050,5230,1128],{"class":1127},[1050,5232,1131],{"class":1071},[1050,5234,5235],{"class":1052,"line":1325},[1050,5236,1099],{"emptyLinePlaceholder":1098},[1050,5238,5239],{"class":1052,"line":1373},[1050,5240,5241],{"class":1056},"# With prefetch_related (for many-to-many and reverse foreign keys)\n",[1050,5243,5244,5246,5248,5250,5252,5254,5256,5259,5261,5263,5266,5268,5270,5272],{"class":1052,"line":1378},[1050,5245,1846],{"class":1067},[1050,5247,1114],{"class":1071},[1050,5249,1081],{"class":1067},[1050,5251,1072],{"class":1071},[1050,5253,1122],{"class":1121},[1050,5255,1072],{"class":1071},[1050,5257,5258],{"class":1127},"prefetch_related",[1050,5260,1164],{"class":1071},[1050,5262,1205],{"class":1204},[1050,5264,5265],{"class":1208},"tags",[1050,5267,1205],{"class":1204},[1050,5269,1539],{"class":1071},[1050,5271,1128],{"class":1127},[1050,5273,1131],{"class":1071},[1050,5275,5276,5278,5280,5282,5284],{"class":1052,"line":1383},[1050,5277,5043],{"class":1063},[1050,5279,5046],{"class":1067},[1050,5281,1923],{"class":1063},[1050,5283,5051],{"class":1067},[1050,5285,3152],{"class":1071},[1050,5287,5288,5290,5293,5295,5298,5300,5302,5304,5306,5309],{"class":1052,"line":1389},[1050,5289,1917],{"class":1063},[1050,5291,5292],{"class":1067}," tag ",[1050,5294,1923],{"class":1063},[1050,5296,5297],{"class":1067}," post",[1050,5299,1072],{"class":1071},[1050,5301,5265],{"class":1121},[1050,5303,1072],{"class":1071},[1050,5305,1128],{"class":1127},[1050,5307,5308],{"class":1071},"():",[1050,5310,5156],{"class":1056},[1050,5312,5313,5316,5318,5321,5323,5325],{"class":1052,"line":1413},[1050,5314,5315],{"class":1926},"        print",[1050,5317,1164],{"class":1071},[1050,5319,5320],{"class":1127},"tag",[1050,5322,1072],{"class":1071},[1050,5324,1336],{"class":1121},[1050,5326,1177],{"class":1071},[1050,5328,5329],{"class":1052,"line":1428},[1050,5330,1099],{"emptyLinePlaceholder":1098},[1050,5332,5333],{"class":1052,"line":1469},[1050,5334,5335],{"class":1056},"# Combining select_related and prefetch_related\n",[1050,5337,5338,5340,5342,5344,5346,5348,5350,5352,5354,5356,5358,5360,5362,5364,5366,5368,5370,5372,5374,5376,5378,5380,5382,5384],{"class":1052,"line":1474},[1050,5339,1846],{"class":1067},[1050,5341,1114],{"class":1071},[1050,5343,1081],{"class":1067},[1050,5345,1072],{"class":1071},[1050,5347,1122],{"class":1121},[1050,5349,1072],{"class":1071},[1050,5351,5101],{"class":1127},[1050,5353,1164],{"class":1071},[1050,5355,1205],{"class":1204},[1050,5357,1283],{"class":1208},[1050,5359,1205],{"class":1204},[1050,5361,1084],{"class":1071},[1050,5363,1344],{"class":1204},[1050,5365,3234],{"class":1208},[1050,5367,1205],{"class":1204},[1050,5369,1539],{"class":1071},[1050,5371,5258],{"class":1127},[1050,5373,1164],{"class":1071},[1050,5375,1205],{"class":1204},[1050,5377,5265],{"class":1208},[1050,5379,1205],{"class":1204},[1050,5381,1539],{"class":1071},[1050,5383,1128],{"class":1127},[1050,5385,1131],{"class":1071},[1050,5387,5388],{"class":1052,"line":1479},[1050,5389,1099],{"emptyLinePlaceholder":1098},[1050,5391,5392],{"class":1052,"line":1485},[1050,5393,5394],{"class":1056},"# Custom prefetch queries\n",[1050,5396,5397,5399,5401,5403,5405,5407,5409,5411],{"class":1052,"line":1506},[1050,5398,1064],{"class":1063},[1050,5400,1632],{"class":1067},[1050,5402,1072],{"class":1071},[1050,5404,2702],{"class":1067},[1050,5406,1072],{"class":1071},[1050,5408,1075],{"class":1067},[1050,5410,1078],{"class":1063},[1050,5412,5413],{"class":1067}," Prefetch\n",[1050,5415,5416],{"class":1052,"line":1546},[1050,5417,1099],{"emptyLinePlaceholder":1098},[1050,5419,5420],{"class":1052,"line":1551},[1050,5421,5422],{"class":1056},"# Prefetch only published comments\n",[1050,5424,5425,5427,5429,5431,5433,5435,5437,5439],{"class":1052,"line":1557},[1050,5426,1846],{"class":1067},[1050,5428,1114],{"class":1071},[1050,5430,1081],{"class":1067},[1050,5432,1072],{"class":1071},[1050,5434,1122],{"class":1121},[1050,5436,1072],{"class":1071},[1050,5438,5258],{"class":1127},[1050,5440,1304],{"class":1071},[1050,5442,5443,5446],{"class":1052,"line":1578},[1050,5444,5445],{"class":1127},"    Prefetch",[1050,5447,1304],{"class":1071},[1050,5449,5450,5453,5456,5458],{"class":1052,"line":2072},[1050,5451,5452],{"class":1204},"        '",[1050,5454,5455],{"class":1208},"comments",[1050,5457,1205],{"class":1204},[1050,5459,1322],{"class":1071},[1050,5461,5462,5465,5467,5470,5472,5474,5476,5478,5480,5483,5485,5487,5489,5491,5493,5495,5497,5499],{"class":1052,"line":2077},[1050,5463,5464],{"class":1167},"        queryset",[1050,5466,1114],{"class":1071},[1050,5468,5469],{"class":1127},"Comment",[1050,5471,1072],{"class":1071},[1050,5473,1122],{"class":1121},[1050,5475,1072],{"class":1071},[1050,5477,1522],{"class":1127},[1050,5479,1164],{"class":1071},[1050,5481,5482],{"class":1167},"is_approved",[1050,5484,1114],{"class":1071},[1050,5486,2517],{"class":2417},[1050,5488,1539],{"class":1071},[1050,5490,5101],{"class":1127},[1050,5492,1164],{"class":1071},[1050,5494,1205],{"class":1204},[1050,5496,1283],{"class":1208},[1050,5498,1205],{"class":1204},[1050,5500,1177],{"class":1071},[1050,5502,5503],{"class":1052,"line":2083},[1050,5504,5505],{"class":1071},"    )\n",[1050,5507,5508,5510,5512],{"class":1052,"line":2116},[1050,5509,1539],{"class":1071},[1050,5511,1128],{"class":1127},[1050,5513,1131],{"class":1071},[1050,5515,5516],{"class":1052,"line":2131},[1050,5517,1099],{"emptyLinePlaceholder":1098},[1050,5519,5520],{"class":1052,"line":2146},[1050,5521,5522],{"class":1056},"# Prefetch with ordering\n",[1050,5524,5525,5527,5529,5531,5533,5535,5537,5539],{"class":1052,"line":2151},[1050,5526,1846],{"class":1067},[1050,5528,1114],{"class":1071},[1050,5530,1081],{"class":1067},[1050,5532,1072],{"class":1071},[1050,5534,1122],{"class":1121},[1050,5536,1072],{"class":1071},[1050,5538,5258],{"class":1127},[1050,5540,1304],{"class":1071},[1050,5542,5543,5545],{"class":1052,"line":2156},[1050,5544,5445],{"class":1127},[1050,5546,1304],{"class":1071},[1050,5548,5549,5551,5553,5555],{"class":1052,"line":2162},[1050,5550,5452],{"class":1204},[1050,5552,5455],{"class":1208},[1050,5554,1205],{"class":1204},[1050,5556,1322],{"class":1071},[1050,5558,5559,5561,5563,5565,5567,5569,5571,5573,5575,5577,5579,5581,5583,5586,5588,5590,5593,5595],{"class":1052,"line":2178},[1050,5560,5464],{"class":1167},[1050,5562,1114],{"class":1071},[1050,5564,5469],{"class":1127},[1050,5566,1072],{"class":1071},[1050,5568,1122],{"class":1121},[1050,5570,1072],{"class":1071},[1050,5572,1522],{"class":1127},[1050,5574,1164],{"class":1071},[1050,5576,5482],{"class":1167},[1050,5578,1114],{"class":1071},[1050,5580,2517],{"class":2417},[1050,5582,1539],{"class":1071},[1050,5584,5585],{"class":1127},"order_by",[1050,5587,1164],{"class":1071},[1050,5589,1205],{"class":1204},[1050,5591,5592],{"class":1208},"-created_at",[1050,5594,1205],{"class":1204},[1050,5596,1177],{"class":1071},[1050,5598,5599],{"class":1052,"line":2186},[1050,5600,5505],{"class":1071},[1050,5602,5603,5605,5607],{"class":1052,"line":2209},[1050,5604,1539],{"class":1071},[1050,5606,1128],{"class":1127},[1050,5608,1131],{"class":1071},[1035,5610,5612],{"id":5611},"only-and-defer","Only and Defer",[1040,5614,5616],{"className":1042,"code":5615,"language":1044,"meta":1045,"style":1045},"# Only load specific fields\nposts = Post.objects.only('title', 'slug', 'created_at').all()\n\n# Defer loading of large fields\nposts = Post.objects.defer('content').all()\n\n# Combining with relationships\nposts = Post.objects.select_related('author').only(\n    'title', 'slug', 'author__name', 'author__email'\n).all()\n\n# Defer large fields in relationships\nposts = Post.objects.select_related('author').defer(\n    'content', 'author__bio'\n).all()\n",[1047,5617,5618,5623,5671,5675,5680,5711,5715,5720,5750,5782,5790,5794,5799,5829,5846],{"__ignoreMap":1045},[1050,5619,5620],{"class":1052,"line":1053},[1050,5621,5622],{"class":1056},"# Only load specific fields\n",[1050,5624,5625,5627,5629,5631,5633,5635,5637,5640,5642,5644,5646,5648,5650,5652,5654,5656,5658,5660,5663,5665,5667,5669],{"class":1052,"line":1060},[1050,5626,1846],{"class":1067},[1050,5628,1114],{"class":1071},[1050,5630,1081],{"class":1067},[1050,5632,1072],{"class":1071},[1050,5634,1122],{"class":1121},[1050,5636,1072],{"class":1071},[1050,5638,5639],{"class":1127},"only",[1050,5641,1164],{"class":1071},[1050,5643,1205],{"class":1204},[1050,5645,1671],{"class":1208},[1050,5647,1205],{"class":1204},[1050,5649,1084],{"class":1071},[1050,5651,1344],{"class":1204},[1050,5653,1199],{"class":1208},[1050,5655,1205],{"class":1204},[1050,5657,1084],{"class":1071},[1050,5659,1344],{"class":1204},[1050,5661,5662],{"class":1208},"created_at",[1050,5664,1205],{"class":1204},[1050,5666,1539],{"class":1071},[1050,5668,1128],{"class":1127},[1050,5670,1131],{"class":1071},[1050,5672,5673],{"class":1052,"line":1095},[1050,5674,1099],{"emptyLinePlaceholder":1098},[1050,5676,5677],{"class":1052,"line":1102},[1050,5678,5679],{"class":1056},"# Defer loading of large fields\n",[1050,5681,5682,5684,5686,5688,5690,5692,5694,5697,5699,5701,5703,5705,5707,5709],{"class":1052,"line":1108},[1050,5683,1846],{"class":1067},[1050,5685,1114],{"class":1071},[1050,5687,1081],{"class":1067},[1050,5689,1072],{"class":1071},[1050,5691,1122],{"class":1121},[1050,5693,1072],{"class":1071},[1050,5695,5696],{"class":1127},"defer",[1050,5698,1164],{"class":1071},[1050,5700,1205],{"class":1204},[1050,5702,1691],{"class":1208},[1050,5704,1205],{"class":1204},[1050,5706,1539],{"class":1071},[1050,5708,1128],{"class":1127},[1050,5710,1131],{"class":1071},[1050,5712,5713],{"class":1052,"line":1134},[1050,5714,1099],{"emptyLinePlaceholder":1098},[1050,5716,5717],{"class":1052,"line":1139},[1050,5718,5719],{"class":1056},"# Combining with relationships\n",[1050,5721,5722,5724,5726,5728,5730,5732,5734,5736,5738,5740,5742,5744,5746,5748],{"class":1052,"line":1145},[1050,5723,1846],{"class":1067},[1050,5725,1114],{"class":1071},[1050,5727,1081],{"class":1067},[1050,5729,1072],{"class":1071},[1050,5731,1122],{"class":1121},[1050,5733,1072],{"class":1071},[1050,5735,5101],{"class":1127},[1050,5737,1164],{"class":1071},[1050,5739,1205],{"class":1204},[1050,5741,1283],{"class":1208},[1050,5743,1205],{"class":1204},[1050,5745,1539],{"class":1071},[1050,5747,5639],{"class":1127},[1050,5749,1304],{"class":1071},[1050,5751,5752,5754,5756,5758,5760,5762,5764,5766,5768,5770,5772,5774,5776,5778,5780],{"class":1052,"line":1180},[1050,5753,5188],{"class":1204},[1050,5755,1671],{"class":1208},[1050,5757,1205],{"class":1204},[1050,5759,1084],{"class":1071},[1050,5761,1344],{"class":1204},[1050,5763,1199],{"class":1208},[1050,5765,1205],{"class":1204},[1050,5767,1084],{"class":1071},[1050,5769,1344],{"class":1204},[1050,5771,2856],{"class":1208},[1050,5773,1205],{"class":1204},[1050,5775,1084],{"class":1071},[1050,5777,1344],{"class":1204},[1050,5779,4520],{"class":1208},[1050,5781,1682],{"class":1204},[1050,5783,5784,5786,5788],{"class":1052,"line":1216},[1050,5785,1539],{"class":1071},[1050,5787,1128],{"class":1127},[1050,5789,1131],{"class":1071},[1050,5791,5792],{"class":1052,"line":1221},[1050,5793,1099],{"emptyLinePlaceholder":1098},[1050,5795,5796],{"class":1052,"line":1227},[1050,5797,5798],{"class":1056},"# Defer large fields in relationships\n",[1050,5800,5801,5803,5805,5807,5809,5811,5813,5815,5817,5819,5821,5823,5825,5827],{"class":1052,"line":1248},[1050,5802,1846],{"class":1067},[1050,5804,1114],{"class":1071},[1050,5806,1081],{"class":1067},[1050,5808,1072],{"class":1071},[1050,5810,1122],{"class":1121},[1050,5812,1072],{"class":1071},[1050,5814,5101],{"class":1127},[1050,5816,1164],{"class":1071},[1050,5818,1205],{"class":1204},[1050,5820,1283],{"class":1208},[1050,5822,1205],{"class":1204},[1050,5824,1539],{"class":1071},[1050,5826,5696],{"class":1127},[1050,5828,1304],{"class":1071},[1050,5830,5831,5833,5835,5837,5839,5841,5844],{"class":1052,"line":1269},[1050,5832,5188],{"class":1204},[1050,5834,1691],{"class":1208},[1050,5836,1205],{"class":1204},[1050,5838,1084],{"class":1071},[1050,5840,1344],{"class":1204},[1050,5842,5843],{"class":1208},"author__bio",[1050,5845,1682],{"class":1204},[1050,5847,5848,5850,5852],{"class":1052,"line":1274},[1050,5849,1539],{"class":1071},[1050,5851,1128],{"class":1127},[1050,5853,1131],{"class":1071},[1035,5855,5857],{"id":5856},"values-and-values-list","Values and Values List",[1040,5859,5861],{"className":1042,"code":5860,"language":1044,"meta":1045,"style":1045},"# Get dictionaries instead of model instances\npost_data = Post.objects.values('title', 'author__name', 'created_at')\n# Returns: [{'title': 'Post 1', 'author__name': 'John', 'created_at': datetime(...)}, ...]\n\n# Get tuples\npost_titles = Post.objects.values_list('title', flat=True)\n# Returns: ['Post 1', 'Post 2', 'Post 3', ...]\n\n# Multiple fields as tuples\npost_data = Post.objects.values_list('title', 'author__name')\n# Returns: [('Post 1', 'John'), ('Post 2', 'Jane'), ...]\n\n# Named tuples\nfrom collections import namedtuple\nPostInfo = namedtuple('PostInfo', ['title', 'author_name'])\npost_data = Post.objects.values_list('title', 'author__name')\nposts = [PostInfo(*data) for data in post_data]\n\n# Distinct values\nunique_authors = Post.objects.values_list('author__name', flat=True).distinct()\n\n# Values with annotations\nfrom django.db.models import Count\nauthor_stats = Author.objects.values('name').annotate(\n    post_count=Count('posts')\n).order_by('-post_count')\n",[1047,5862,5863,5868,5912,5917,5921,5926,5963,5968,5972,5977,6011,6016,6020,6025,6037,6077,6111,6144,6148,6153,6192,6196,6201,6220,6252,6272],{"__ignoreMap":1045},[1050,5864,5865],{"class":1052,"line":1053},[1050,5866,5867],{"class":1056},"# Get dictionaries instead of model instances\n",[1050,5869,5870,5873,5875,5877,5879,5881,5883,5886,5888,5890,5892,5894,5896,5898,5900,5902,5904,5906,5908,5910],{"class":1052,"line":1060},[1050,5871,5872],{"class":1067},"post_data ",[1050,5874,1114],{"class":1071},[1050,5876,1081],{"class":1067},[1050,5878,1072],{"class":1071},[1050,5880,1122],{"class":1121},[1050,5882,1072],{"class":1071},[1050,5884,5885],{"class":1127},"values",[1050,5887,1164],{"class":1071},[1050,5889,1205],{"class":1204},[1050,5891,1671],{"class":1208},[1050,5893,1205],{"class":1204},[1050,5895,1084],{"class":1071},[1050,5897,1344],{"class":1204},[1050,5899,2856],{"class":1208},[1050,5901,1205],{"class":1204},[1050,5903,1084],{"class":1071},[1050,5905,1344],{"class":1204},[1050,5907,5662],{"class":1208},[1050,5909,1205],{"class":1204},[1050,5911,1177],{"class":1071},[1050,5913,5914],{"class":1052,"line":1095},[1050,5915,5916],{"class":1056},"# Returns: [{'title': 'Post 1', 'author__name': 'John', 'created_at': datetime(...)}, ...]\n",[1050,5918,5919],{"class":1052,"line":1102},[1050,5920,1099],{"emptyLinePlaceholder":1098},[1050,5922,5923],{"class":1052,"line":1108},[1050,5924,5925],{"class":1056},"# Get tuples\n",[1050,5927,5928,5931,5933,5935,5937,5939,5941,5944,5946,5948,5950,5952,5954,5957,5959,5961],{"class":1052,"line":1134},[1050,5929,5930],{"class":1067},"post_titles ",[1050,5932,1114],{"class":1071},[1050,5934,1081],{"class":1067},[1050,5936,1072],{"class":1071},[1050,5938,1122],{"class":1121},[1050,5940,1072],{"class":1071},[1050,5942,5943],{"class":1127},"values_list",[1050,5945,1164],{"class":1071},[1050,5947,1205],{"class":1204},[1050,5949,1671],{"class":1208},[1050,5951,1205],{"class":1204},[1050,5953,1084],{"class":1071},[1050,5955,5956],{"class":1167}," flat",[1050,5958,1114],{"class":1071},[1050,5960,2517],{"class":2417},[1050,5962,1177],{"class":1071},[1050,5964,5965],{"class":1052,"line":1139},[1050,5966,5967],{"class":1056},"# Returns: ['Post 1', 'Post 2', 'Post 3', ...]\n",[1050,5969,5970],{"class":1052,"line":1145},[1050,5971,1099],{"emptyLinePlaceholder":1098},[1050,5973,5974],{"class":1052,"line":1180},[1050,5975,5976],{"class":1056},"# Multiple fields as tuples\n",[1050,5978,5979,5981,5983,5985,5987,5989,5991,5993,5995,5997,5999,6001,6003,6005,6007,6009],{"class":1052,"line":1216},[1050,5980,5872],{"class":1067},[1050,5982,1114],{"class":1071},[1050,5984,1081],{"class":1067},[1050,5986,1072],{"class":1071},[1050,5988,1122],{"class":1121},[1050,5990,1072],{"class":1071},[1050,5992,5943],{"class":1127},[1050,5994,1164],{"class":1071},[1050,5996,1205],{"class":1204},[1050,5998,1671],{"class":1208},[1050,6000,1205],{"class":1204},[1050,6002,1084],{"class":1071},[1050,6004,1344],{"class":1204},[1050,6006,2856],{"class":1208},[1050,6008,1205],{"class":1204},[1050,6010,1177],{"class":1071},[1050,6012,6013],{"class":1052,"line":1221},[1050,6014,6015],{"class":1056},"# Returns: [('Post 1', 'John'), ('Post 2', 'Jane'), ...]\n",[1050,6017,6018],{"class":1052,"line":1227},[1050,6019,1099],{"emptyLinePlaceholder":1098},[1050,6021,6022],{"class":1052,"line":1248},[1050,6023,6024],{"class":1056},"# Named tuples\n",[1050,6026,6027,6029,6032,6034],{"class":1052,"line":1269},[1050,6028,1064],{"class":1063},[1050,6030,6031],{"class":1067}," collections ",[1050,6033,1078],{"class":1063},[1050,6035,6036],{"class":1067}," namedtuple\n",[1050,6038,6039,6042,6044,6047,6049,6051,6054,6056,6058,6060,6062,6064,6066,6068,6070,6073,6075],{"class":1052,"line":1274},[1050,6040,6041],{"class":1067},"PostInfo ",[1050,6043,1114],{"class":1071},[1050,6045,6046],{"class":1127}," namedtuple",[1050,6048,1164],{"class":1071},[1050,6050,1205],{"class":1204},[1050,6052,6053],{"class":1208},"PostInfo",[1050,6055,1205],{"class":1204},[1050,6057,1084],{"class":1071},[1050,6059,3738],{"class":1071},[1050,6061,1205],{"class":1204},[1050,6063,1671],{"class":1208},[1050,6065,1205],{"class":1204},[1050,6067,1084],{"class":1071},[1050,6069,1344],{"class":1204},[1050,6071,6072],{"class":1208},"author_name",[1050,6074,1205],{"class":1204},[1050,6076,2069],{"class":1071},[1050,6078,6079,6081,6083,6085,6087,6089,6091,6093,6095,6097,6099,6101,6103,6105,6107,6109],{"class":1052,"line":1280},[1050,6080,5872],{"class":1067},[1050,6082,1114],{"class":1071},[1050,6084,1081],{"class":1067},[1050,6086,1072],{"class":1071},[1050,6088,1122],{"class":1121},[1050,6090,1072],{"class":1071},[1050,6092,5943],{"class":1127},[1050,6094,1164],{"class":1071},[1050,6096,1205],{"class":1204},[1050,6098,1671],{"class":1208},[1050,6100,1205],{"class":1204},[1050,6102,1084],{"class":1071},[1050,6104,1344],{"class":1204},[1050,6106,2856],{"class":1208},[1050,6108,1205],{"class":1204},[1050,6110,1177],{"class":1071},[1050,6112,6113,6115,6117,6119,6121,6123,6126,6129,6131,6134,6137,6139,6142],{"class":1052,"line":1307},[1050,6114,1846],{"class":1067},[1050,6116,1114],{"class":1071},[1050,6118,3738],{"class":1071},[1050,6120,6053],{"class":1127},[1050,6122,1164],{"class":1071},[1050,6124,6125],{"class":2778},"*",[1050,6127,6128],{"class":1127},"data",[1050,6130,2775],{"class":1071},[1050,6132,6133],{"class":1063}," for",[1050,6135,6136],{"class":1067}," data ",[1050,6138,1923],{"class":1063},[1050,6140,6141],{"class":1067}," post_data",[1050,6143,1943],{"class":1071},[1050,6145,6146],{"class":1052,"line":1325},[1050,6147,1099],{"emptyLinePlaceholder":1098},[1050,6149,6150],{"class":1052,"line":1373},[1050,6151,6152],{"class":1056},"# Distinct values\n",[1050,6154,6155,6158,6160,6162,6164,6166,6168,6170,6172,6174,6176,6178,6180,6182,6184,6186,6188,6190],{"class":1052,"line":1378},[1050,6156,6157],{"class":1067},"unique_authors ",[1050,6159,1114],{"class":1071},[1050,6161,1081],{"class":1067},[1050,6163,1072],{"class":1071},[1050,6165,1122],{"class":1121},[1050,6167,1072],{"class":1071},[1050,6169,5943],{"class":1127},[1050,6171,1164],{"class":1071},[1050,6173,1205],{"class":1204},[1050,6175,2856],{"class":1208},[1050,6177,1205],{"class":1204},[1050,6179,1084],{"class":1071},[1050,6181,5956],{"class":1167},[1050,6183,1114],{"class":1071},[1050,6185,2517],{"class":2417},[1050,6187,1539],{"class":1071},[1050,6189,4930],{"class":1127},[1050,6191,1131],{"class":1071},[1050,6193,6194],{"class":1052,"line":1383},[1050,6195,1099],{"emptyLinePlaceholder":1098},[1050,6197,6198],{"class":1052,"line":1389},[1050,6199,6200],{"class":1056},"# Values with annotations\n",[1050,6202,6203,6205,6207,6209,6211,6213,6215,6217],{"class":1052,"line":1413},[1050,6204,1064],{"class":1063},[1050,6206,1632],{"class":1067},[1050,6208,1072],{"class":1071},[1050,6210,2702],{"class":1067},[1050,6212,1072],{"class":1071},[1050,6214,1075],{"class":1067},[1050,6216,1078],{"class":1063},[1050,6218,6219],{"class":1067}," Count\n",[1050,6221,6222,6225,6227,6229,6231,6233,6235,6237,6239,6241,6243,6245,6247,6250],{"class":1052,"line":1428},[1050,6223,6224],{"class":1067},"author_stats ",[1050,6226,1114],{"class":1071},[1050,6228,1087],{"class":1067},[1050,6230,1072],{"class":1071},[1050,6232,1122],{"class":1121},[1050,6234,1072],{"class":1071},[1050,6236,5885],{"class":1127},[1050,6238,1164],{"class":1071},[1050,6240,1205],{"class":1204},[1050,6242,1336],{"class":1208},[1050,6244,1205],{"class":1204},[1050,6246,1539],{"class":1071},[1050,6248,6249],{"class":1127},"annotate",[1050,6251,1304],{"class":1071},[1050,6253,6254,6257,6259,6262,6264,6266,6268,6270],{"class":1052,"line":1469},[1050,6255,6256],{"class":1167},"    post_count",[1050,6258,1114],{"class":1071},[1050,6260,6261],{"class":1127},"Count",[1050,6263,1164],{"class":1071},[1050,6265,1205],{"class":1204},[1050,6267,1962],{"class":1208},[1050,6269,1205],{"class":1204},[1050,6271,1177],{"class":1071},[1050,6273,6274,6276,6278,6280,6282,6285,6287],{"class":1052,"line":1474},[1050,6275,1539],{"class":1071},[1050,6277,5585],{"class":1127},[1050,6279,1164],{"class":1071},[1050,6281,1205],{"class":1204},[1050,6283,6284],{"class":1208},"-post_count",[1050,6286,1205],{"class":1204},[1050,6288,1177],{"class":1071},[1030,6290,6292],{"id":6291},"raw-sql-and-custom-queries","Raw SQL and Custom Queries",[1035,6294,296],{"id":6295},"raw-sql-queries",[1040,6297,6299],{"className":1042,"code":6298,"language":1044,"meta":1045,"style":1045},"# Raw SQL with model instances\nposts = Post.objects.raw(\n    \"SELECT * FROM blog_post WHERE view_count > %s ORDER BY view_count DESC\",\n    [1000]\n)\n\n# Raw SQL with parameters\nposts = Post.objects.raw(\n    \"SELECT * FROM blog_post WHERE author_id = %s AND status = %s\",\n    [author_id, 'published']\n)\n\n# Raw SQL with extra fields\nposts = Post.objects.raw(\n    \"\"\"\n    SELECT *, \n           (view_count + like_count) as engagement_score \n    FROM blog_post \n    WHERE status = 'published'\n    ORDER BY engagement_score DESC\n    \"\"\"\n)\n\nfor post in posts:\n    print(f\"{post.title}: {post.engagement_score}\")\n\n# Using connection directly for non-model queries\nfrom django.db import connection\n\ndef get_post_statistics():\n    with connection.cursor() as cursor:\n        cursor.execute(\"\"\"\n            SELECT \n                DATE(created_at) as date,\n                COUNT(*) as post_count,\n                AVG(view_count) as avg_views\n            FROM blog_post \n            WHERE status = 'published'\n            GROUP BY DATE(created_at)\n            ORDER BY date DESC\n            LIMIT 30\n        \"\"\")\n        \n        columns = [col[0] for col in cursor.description]\n        return [dict(zip(columns, row)) for row in cursor.fetchall()]\n\n# Named queries for reusability\nclass PostQuerySet(models.QuerySet):\n    def popular(self, min_views=1000):\n        return self.filter(view_count__gte=min_views)\n    \n    def recent(self, days=30):\n        cutoff = timezone.now() - timedelta(days=days)\n        return self.filter(created_at__gte=cutoff)\n    \n    def by_author(self, author):\n        return self.filter(author=author)\n    \n    def published(self):\n        return self.filter(status='published', published_at__lte=timezone.now())\n\nclass PostManager(models.Manager):\n    def get_queryset(self):\n        return PostQuerySet(self.model, using=self._db)\n    \n    def popular(self, min_views=1000):\n        return self.get_queryset().popular(min_views)\n    \n    def recent_popular(self, days=30, min_views=1000):\n        return self.get_queryset().recent(days).popular(min_views)\n\nclass Post(models.Model):\n    # ... field definitions ...\n    \n    objects = PostManager()\n    \n    class Meta:\n        # ... meta options ...\n\n# Usage\npopular_posts = Post.objects.popular()\nrecent_popular = Post.objects.recent_popular(days=7, min_views=500)\nchained_query = Post.objects.published().popular().recent()\n",[1047,6300,6301,6306,6325,6344,6352,6356,6360,6365,6383,6401,6417,6421,6425,6430,6448,6453,6458,6463,6468,6473,6478,6482,6486,6490,6502,6540,6544,6549,6565,6569,6579,6602,6617,6622,6627,6632,6637,6642,6647,6652,6657,6662,6669,6674,6711,6754,6758,6763,6781,6803,6825,6829,6851,6880,6901,6905,6922,6943,6948,6962,7001,7006,7024,7037,7069,7074,7095,7117,7122,7152,7182,7187,7204,7210,7215,7226,7231,7242,7248,7253,7258,7278,7317],{"__ignoreMap":1045},[1050,6302,6303],{"class":1052,"line":1053},[1050,6304,6305],{"class":1056},"# Raw SQL with model instances\n",[1050,6307,6308,6310,6312,6314,6316,6318,6320,6323],{"class":1052,"line":1060},[1050,6309,1846],{"class":1067},[1050,6311,1114],{"class":1071},[1050,6313,1081],{"class":1067},[1050,6315,1072],{"class":1071},[1050,6317,1122],{"class":1121},[1050,6319,1072],{"class":1071},[1050,6321,6322],{"class":1127},"raw",[1050,6324,1304],{"class":1071},[1050,6326,6327,6330,6333,6336,6339,6342],{"class":1052,"line":1095},[1050,6328,6329],{"class":1204},"    \"",[1050,6331,6332],{"class":1208},"SELECT * FROM blog_post WHERE view_count > ",[1050,6334,6335],{"class":1872},"%s",[1050,6337,6338],{"class":1208}," ORDER BY view_count DESC",[1050,6340,6341],{"class":1204},"\"",[1050,6343,1322],{"class":1071},[1050,6345,6346,6348,6350],{"class":1052,"line":1102},[1050,6347,2189],{"class":1071},[1050,6349,3999],{"class":1173},[1050,6351,1943],{"class":1071},[1050,6353,6354],{"class":1052,"line":1108},[1050,6355,1177],{"class":1071},[1050,6357,6358],{"class":1052,"line":1134},[1050,6359,1099],{"emptyLinePlaceholder":1098},[1050,6361,6362],{"class":1052,"line":1139},[1050,6363,6364],{"class":1056},"# Raw SQL with parameters\n",[1050,6366,6367,6369,6371,6373,6375,6377,6379,6381],{"class":1052,"line":1145},[1050,6368,1846],{"class":1067},[1050,6370,1114],{"class":1071},[1050,6372,1081],{"class":1067},[1050,6374,1072],{"class":1071},[1050,6376,1122],{"class":1121},[1050,6378,1072],{"class":1071},[1050,6380,6322],{"class":1127},[1050,6382,1304],{"class":1071},[1050,6384,6385,6387,6390,6392,6395,6397,6399],{"class":1052,"line":1180},[1050,6386,6329],{"class":1204},[1050,6388,6389],{"class":1208},"SELECT * FROM blog_post WHERE author_id = ",[1050,6391,6335],{"class":1872},[1050,6393,6394],{"class":1208}," AND status = ",[1050,6396,6335],{"class":1872},[1050,6398,6341],{"class":1204},[1050,6400,1322],{"class":1071},[1050,6402,6403,6405,6407,6409,6411,6413,6415],{"class":1052,"line":1216},[1050,6404,2189],{"class":1071},[1050,6406,1709],{"class":1127},[1050,6408,1084],{"class":1071},[1050,6410,1344],{"class":1204},[1050,6412,1534],{"class":1208},[1050,6414,1205],{"class":1204},[1050,6416,1943],{"class":1071},[1050,6418,6419],{"class":1052,"line":1221},[1050,6420,1177],{"class":1071},[1050,6422,6423],{"class":1052,"line":1227},[1050,6424,1099],{"emptyLinePlaceholder":1098},[1050,6426,6427],{"class":1052,"line":1248},[1050,6428,6429],{"class":1056},"# Raw SQL with extra fields\n",[1050,6431,6432,6434,6436,6438,6440,6442,6444,6446],{"class":1052,"line":1269},[1050,6433,1846],{"class":1067},[1050,6435,1114],{"class":1071},[1050,6437,1081],{"class":1067},[1050,6439,1072],{"class":1071},[1050,6441,1122],{"class":1121},[1050,6443,1072],{"class":1071},[1050,6445,6322],{"class":1127},[1050,6447,1304],{"class":1071},[1050,6449,6450],{"class":1052,"line":1274},[1050,6451,6452],{"class":1204},"    \"\"\"\n",[1050,6454,6455],{"class":1052,"line":1280},[1050,6456,6457],{"class":1208},"    SELECT *, \n",[1050,6459,6460],{"class":1052,"line":1307},[1050,6461,6462],{"class":1208},"           (view_count + like_count) as engagement_score \n",[1050,6464,6465],{"class":1052,"line":1325},[1050,6466,6467],{"class":1208},"    FROM blog_post \n",[1050,6469,6470],{"class":1052,"line":1373},[1050,6471,6472],{"class":1208},"    WHERE status = 'published'\n",[1050,6474,6475],{"class":1052,"line":1378},[1050,6476,6477],{"class":1208},"    ORDER BY engagement_score DESC\n",[1050,6479,6480],{"class":1052,"line":1383},[1050,6481,6452],{"class":1204},[1050,6483,6484],{"class":1052,"line":1389},[1050,6485,1177],{"class":1071},[1050,6487,6488],{"class":1052,"line":1413},[1050,6489,1099],{"emptyLinePlaceholder":1098},[1050,6491,6492,6494,6496,6498,6500],{"class":1052,"line":1428},[1050,6493,5043],{"class":1063},[1050,6495,5046],{"class":1067},[1050,6497,1923],{"class":1063},[1050,6499,5051],{"class":1067},[1050,6501,3152],{"class":1071},[1050,6503,6504,6506,6508,6510,6512,6514,6516,6518,6520,6522,6525,6527,6529,6531,6534,6536,6538],{"class":1052,"line":1469},[1050,6505,5058],{"class":1926},[1050,6507,1164],{"class":1071},[1050,6509,1866],{"class":1865},[1050,6511,6341],{"class":1208},[1050,6513,1873],{"class":1872},[1050,6515,1666],{"class":1127},[1050,6517,1072],{"class":1071},[1050,6519,1671],{"class":1121},[1050,6521,1879],{"class":1872},[1050,6523,6524],{"class":1208},": ",[1050,6526,1873],{"class":1872},[1050,6528,1666],{"class":1127},[1050,6530,1072],{"class":1071},[1050,6532,6533],{"class":1121},"engagement_score",[1050,6535,1879],{"class":1872},[1050,6537,6341],{"class":1208},[1050,6539,1177],{"class":1071},[1050,6541,6542],{"class":1052,"line":1474},[1050,6543,1099],{"emptyLinePlaceholder":1098},[1050,6545,6546],{"class":1052,"line":1479},[1050,6547,6548],{"class":1056},"# Using connection directly for non-model queries\n",[1050,6550,6551,6553,6555,6557,6560,6562],{"class":1052,"line":1485},[1050,6552,1064],{"class":1063},[1050,6554,1632],{"class":1067},[1050,6556,1072],{"class":1071},[1050,6558,6559],{"class":1067},"db ",[1050,6561,1078],{"class":1063},[1050,6563,6564],{"class":1067}," connection\n",[1050,6566,6567],{"class":1052,"line":1506},[1050,6568,1099],{"emptyLinePlaceholder":1098},[1050,6570,6571,6573,6576],{"class":1052,"line":1546},[1050,6572,3084],{"class":1865},[1050,6574,6575],{"class":2380}," get_post_statistics",[1050,6577,6578],{"class":1071},"():\n",[1050,6580,6581,6584,6587,6589,6592,6594,6597,6600],{"class":1052,"line":1551},[1050,6582,6583],{"class":1063},"    with",[1050,6585,6586],{"class":1067}," connection",[1050,6588,1072],{"class":1071},[1050,6590,6591],{"class":1127},"cursor",[1050,6593,2560],{"class":1071},[1050,6595,6596],{"class":1063}," as",[1050,6598,6599],{"class":1067}," cursor",[1050,6601,3152],{"class":1071},[1050,6603,6604,6607,6609,6612,6614],{"class":1052,"line":1557},[1050,6605,6606],{"class":1067},"        cursor",[1050,6608,1072],{"class":1071},[1050,6610,6611],{"class":1127},"execute",[1050,6613,1164],{"class":1071},[1050,6615,6616],{"class":1204},"\"\"\"\n",[1050,6618,6619],{"class":1052,"line":1578},[1050,6620,6621],{"class":1208},"            SELECT \n",[1050,6623,6624],{"class":1052,"line":2072},[1050,6625,6626],{"class":1208},"                DATE(created_at) as date,\n",[1050,6628,6629],{"class":1052,"line":2077},[1050,6630,6631],{"class":1208},"                COUNT(*) as post_count,\n",[1050,6633,6634],{"class":1052,"line":2083},[1050,6635,6636],{"class":1208},"                AVG(view_count) as avg_views\n",[1050,6638,6639],{"class":1052,"line":2116},[1050,6640,6641],{"class":1208},"            FROM blog_post \n",[1050,6643,6644],{"class":1052,"line":2131},[1050,6645,6646],{"class":1208},"            WHERE status = 'published'\n",[1050,6648,6649],{"class":1052,"line":2146},[1050,6650,6651],{"class":1208},"            GROUP BY DATE(created_at)\n",[1050,6653,6654],{"class":1052,"line":2151},[1050,6655,6656],{"class":1208},"            ORDER BY date DESC\n",[1050,6658,6659],{"class":1052,"line":2156},[1050,6660,6661],{"class":1208},"            LIMIT 30\n",[1050,6663,6664,6667],{"class":1052,"line":2162},[1050,6665,6666],{"class":1204},"        \"\"\"",[1050,6668,1177],{"class":1071},[1050,6670,6671],{"class":1052,"line":2178},[1050,6672,6673],{"class":1067},"        \n",[1050,6675,6676,6679,6681,6683,6686,6689,6692,6695,6697,6700,6702,6704,6706,6709],{"class":1052,"line":2186},[1050,6677,6678],{"class":1067},"        columns ",[1050,6680,1114],{"class":1071},[1050,6682,3738],{"class":1071},[1050,6684,6685],{"class":1067},"col",[1050,6687,6688],{"class":1071},"[",[1050,6690,6691],{"class":1173},"0",[1050,6693,6694],{"class":1071},"]",[1050,6696,6133],{"class":1063},[1050,6698,6699],{"class":1067}," col ",[1050,6701,1923],{"class":1063},[1050,6703,6599],{"class":1067},[1050,6705,1072],{"class":1071},[1050,6707,6708],{"class":1121},"description",[1050,6710,1943],{"class":1071},[1050,6712,6713,6715,6717,6720,6722,6725,6727,6730,6732,6735,6737,6739,6742,6744,6746,6748,6751],{"class":1052,"line":2209},[1050,6714,2394],{"class":1063},[1050,6716,3738],{"class":1071},[1050,6718,6719],{"class":2397},"dict",[1050,6721,1164],{"class":1071},[1050,6723,6724],{"class":1926},"zip",[1050,6726,1164],{"class":1071},[1050,6728,6729],{"class":1127},"columns",[1050,6731,1084],{"class":1071},[1050,6733,6734],{"class":1127}," row",[1050,6736,3023],{"class":1071},[1050,6738,6133],{"class":1063},[1050,6740,6741],{"class":1067}," row ",[1050,6743,1923],{"class":1063},[1050,6745,6599],{"class":1067},[1050,6747,1072],{"class":1071},[1050,6749,6750],{"class":1127},"fetchall",[1050,6752,6753],{"class":1071},"()]\n",[1050,6755,6756],{"class":1052,"line":2220},[1050,6757,1099],{"emptyLinePlaceholder":1098},[1050,6759,6760],{"class":1052,"line":4214},[1050,6761,6762],{"class":1056},"# Named queries for reusability\n",[1050,6764,6765,6767,6770,6772,6774,6776,6779],{"class":1052,"line":4243},[1050,6766,2354],{"class":1865},[1050,6768,6769],{"class":2357}," PostQuerySet",[1050,6771,1164],{"class":1071},[1050,6773,2364],{"class":2363},[1050,6775,1072],{"class":1071},[1050,6777,6778],{"class":2363},"QuerySet",[1050,6780,2372],{"class":1071},[1050,6782,6783,6785,6788,6790,6792,6794,6797,6799,6801],{"class":1052,"line":4248},[1050,6784,2377],{"class":1865},[1050,6786,6787],{"class":2380}," popular",[1050,6789,1164],{"class":1071},[1050,6791,2387],{"class":2386},[1050,6793,1084],{"class":1071},[1050,6795,6796],{"class":3092}," min_views",[1050,6798,1114],{"class":2778},[1050,6800,3999],{"class":1173},[1050,6802,2372],{"class":1071},[1050,6804,6805,6807,6810,6812,6814,6816,6818,6820,6823],{"class":1052,"line":4254},[1050,6806,2394],{"class":1063},[1050,6808,6809],{"class":2585}," self",[1050,6811,1072],{"class":1071},[1050,6813,1522],{"class":1127},[1050,6815,1164],{"class":1071},[1050,6817,4022],{"class":1167},[1050,6819,1114],{"class":1071},[1050,6821,6822],{"class":1127},"min_views",[1050,6824,1177],{"class":1071},[1050,6826,6827],{"class":1052,"line":4275},[1050,6828,2533],{"class":1067},[1050,6830,6831,6833,6836,6838,6840,6842,6845,6847,6849],{"class":1052,"line":4304},[1050,6832,2377],{"class":1865},[1050,6834,6835],{"class":2380}," recent",[1050,6837,1164],{"class":1071},[1050,6839,2387],{"class":2386},[1050,6841,1084],{"class":1071},[1050,6843,6844],{"class":3092}," days",[1050,6846,1114],{"class":2778},[1050,6848,2963],{"class":1173},[1050,6850,2372],{"class":1071},[1050,6852,6853,6856,6858,6860,6862,6864,6866,6868,6870,6872,6874,6876,6878],{"class":1052,"line":4332},[1050,6854,6855],{"class":1067},"        cutoff ",[1050,6857,1114],{"class":1071},[1050,6859,2609],{"class":1067},[1050,6861,1072],{"class":1071},[1050,6863,1826],{"class":1127},[1050,6865,2560],{"class":1071},[1050,6867,2950],{"class":2778},[1050,6869,2953],{"class":1127},[1050,6871,1164],{"class":1071},[1050,6873,2958],{"class":1167},[1050,6875,1114],{"class":1071},[1050,6877,2958],{"class":1127},[1050,6879,1177],{"class":1071},[1050,6881,6882,6884,6886,6888,6890,6892,6894,6896,6899],{"class":1052,"line":4337},[1050,6883,2394],{"class":1063},[1050,6885,6809],{"class":2585},[1050,6887,1072],{"class":1071},[1050,6889,1522],{"class":1127},[1050,6891,1164],{"class":1071},[1050,6893,3035],{"class":1167},[1050,6895,1114],{"class":1071},[1050,6897,6898],{"class":1127},"cutoff",[1050,6900,1177],{"class":1071},[1050,6902,6903],{"class":1052,"line":4343},[1050,6904,2533],{"class":1067},[1050,6906,6907,6909,6912,6914,6916,6918,6920],{"class":1052,"line":4399},[1050,6908,2377],{"class":1865},[1050,6910,6911],{"class":2380}," by_author",[1050,6913,1164],{"class":1071},[1050,6915,2387],{"class":2386},[1050,6917,1084],{"class":1071},[1050,6919,3102],{"class":3092},[1050,6921,2372],{"class":1071},[1050,6923,6925,6927,6929,6931,6933,6935,6937,6939,6941],{"class":1052,"line":6924},57,[1050,6926,2394],{"class":1063},[1050,6928,6809],{"class":2585},[1050,6930,1072],{"class":1071},[1050,6932,1522],{"class":1127},[1050,6934,1164],{"class":1071},[1050,6936,1283],{"class":1167},[1050,6938,1114],{"class":1071},[1050,6940,1283],{"class":1127},[1050,6942,1177],{"class":1071},[1050,6944,6946],{"class":1052,"line":6945},58,[1050,6947,2533],{"class":1067},[1050,6949,6951,6953,6956,6958,6960],{"class":1052,"line":6950},59,[1050,6952,2377],{"class":1865},[1050,6954,6955],{"class":2380}," published",[1050,6957,1164],{"class":1071},[1050,6959,2387],{"class":2386},[1050,6961,2372],{"class":1071},[1050,6963,6965,6967,6969,6971,6973,6975,6977,6979,6981,6983,6985,6987,6990,6992,6994,6996,6998],{"class":1052,"line":6964},60,[1050,6966,2394],{"class":1063},[1050,6968,6809],{"class":2585},[1050,6970,1072],{"class":1071},[1050,6972,1522],{"class":1127},[1050,6974,1164],{"class":1071},[1050,6976,1527],{"class":1167},[1050,6978,1114],{"class":1071},[1050,6980,1205],{"class":1204},[1050,6982,1534],{"class":1208},[1050,6984,1205],{"class":1204},[1050,6986,1084],{"class":1071},[1050,6988,6989],{"class":1167}," published_at__lte",[1050,6991,1114],{"class":1071},[1050,6993,1821],{"class":1127},[1050,6995,1072],{"class":1071},[1050,6997,1826],{"class":1127},[1050,6999,7000],{"class":1071},"())\n",[1050,7002,7004],{"class":1052,"line":7003},61,[1050,7005,1099],{"emptyLinePlaceholder":1098},[1050,7007,7009,7011,7014,7016,7018,7020,7022],{"class":1052,"line":7008},62,[1050,7010,2354],{"class":1865},[1050,7012,7013],{"class":2357}," PostManager",[1050,7015,1164],{"class":1071},[1050,7017,2364],{"class":2363},[1050,7019,1072],{"class":1071},[1050,7021,2369],{"class":2363},[1050,7023,2372],{"class":1071},[1050,7025,7027,7029,7031,7033,7035],{"class":1052,"line":7026},63,[1050,7028,2377],{"class":1865},[1050,7030,2381],{"class":2380},[1050,7032,1164],{"class":1071},[1050,7034,2387],{"class":2386},[1050,7036,2372],{"class":1071},[1050,7038,7040,7042,7044,7046,7048,7050,7053,7055,7058,7060,7062,7064,7067],{"class":1052,"line":7039},64,[1050,7041,2394],{"class":1063},[1050,7043,6769],{"class":1127},[1050,7045,1164],{"class":1071},[1050,7047,2387],{"class":2585},[1050,7049,1072],{"class":1071},[1050,7051,7052],{"class":1121},"model",[1050,7054,1084],{"class":1071},[1050,7056,7057],{"class":1167}," using",[1050,7059,1114],{"class":1071},[1050,7061,2387],{"class":2585},[1050,7063,1072],{"class":1071},[1050,7065,7066],{"class":1121},"_db",[1050,7068,1177],{"class":1071},[1050,7070,7072],{"class":1052,"line":7071},65,[1050,7073,2533],{"class":1067},[1050,7075,7077,7079,7081,7083,7085,7087,7089,7091,7093],{"class":1052,"line":7076},66,[1050,7078,2377],{"class":1865},[1050,7080,6787],{"class":2380},[1050,7082,1164],{"class":1071},[1050,7084,2387],{"class":2386},[1050,7086,1084],{"class":1071},[1050,7088,6796],{"class":3092},[1050,7090,1114],{"class":2778},[1050,7092,3999],{"class":1173},[1050,7094,2372],{"class":1071},[1050,7096,7098,7100,7102,7104,7106,7108,7111,7113,7115],{"class":1052,"line":7097},67,[1050,7099,2394],{"class":1063},[1050,7101,6809],{"class":2585},[1050,7103,1072],{"class":1071},[1050,7105,2403],{"class":1127},[1050,7107,2336],{"class":1071},[1050,7109,7110],{"class":1127},"popular",[1050,7112,1164],{"class":1071},[1050,7114,6822],{"class":1127},[1050,7116,1177],{"class":1071},[1050,7118,7120],{"class":1052,"line":7119},68,[1050,7121,2533],{"class":1067},[1050,7123,7125,7127,7130,7132,7134,7136,7138,7140,7142,7144,7146,7148,7150],{"class":1052,"line":7124},69,[1050,7126,2377],{"class":1865},[1050,7128,7129],{"class":2380}," recent_popular",[1050,7131,1164],{"class":1071},[1050,7133,2387],{"class":2386},[1050,7135,1084],{"class":1071},[1050,7137,6844],{"class":3092},[1050,7139,1114],{"class":2778},[1050,7141,2963],{"class":1173},[1050,7143,1084],{"class":1071},[1050,7145,6796],{"class":3092},[1050,7147,1114],{"class":2778},[1050,7149,3999],{"class":1173},[1050,7151,2372],{"class":1071},[1050,7153,7155,7157,7159,7161,7163,7165,7168,7170,7172,7174,7176,7178,7180],{"class":1052,"line":7154},70,[1050,7156,2394],{"class":1063},[1050,7158,6809],{"class":2585},[1050,7160,1072],{"class":1071},[1050,7162,2403],{"class":1127},[1050,7164,2336],{"class":1071},[1050,7166,7167],{"class":1127},"recent",[1050,7169,1164],{"class":1071},[1050,7171,2958],{"class":1127},[1050,7173,1539],{"class":1071},[1050,7175,7110],{"class":1127},[1050,7177,1164],{"class":1071},[1050,7179,6822],{"class":1127},[1050,7181,1177],{"class":1071},[1050,7183,7185],{"class":1052,"line":7184},71,[1050,7186,1099],{"emptyLinePlaceholder":1098},[1050,7188,7190,7192,7194,7196,7198,7200,7202],{"class":1052,"line":7189},72,[1050,7191,2354],{"class":1865},[1050,7193,1081],{"class":2357},[1050,7195,1164],{"class":1071},[1050,7197,2364],{"class":2363},[1050,7199,1072],{"class":1071},[1050,7201,2439],{"class":2363},[1050,7203,2372],{"class":1071},[1050,7205,7207],{"class":1052,"line":7206},73,[1050,7208,7209],{"class":1056},"    # ... field definitions ...\n",[1050,7211,7213],{"class":1052,"line":7212},74,[1050,7214,2533],{"class":1067},[1050,7216,7218,7220,7222,7224],{"class":1052,"line":7217},75,[1050,7219,2538],{"class":1067},[1050,7221,1114],{"class":1071},[1050,7223,7013],{"class":1127},[1050,7225,1131],{"class":1071},[1050,7227,7229],{"class":1052,"line":7228},76,[1050,7230,2533],{"class":1067},[1050,7232,7234,7237,7240],{"class":1052,"line":7233},77,[1050,7235,7236],{"class":1865},"    class",[1050,7238,7239],{"class":2357}," Meta",[1050,7241,3152],{"class":1071},[1050,7243,7245],{"class":1052,"line":7244},78,[1050,7246,7247],{"class":1056},"        # ... meta options ...\n",[1050,7249,7251],{"class":1052,"line":7250},79,[1050,7252,1099],{"emptyLinePlaceholder":1098},[1050,7254,7256],{"class":1052,"line":7255},80,[1050,7257,3301],{"class":1056},[1050,7259,7261,7264,7266,7268,7270,7272,7274,7276],{"class":1052,"line":7260},81,[1050,7262,7263],{"class":1067},"popular_posts ",[1050,7265,1114],{"class":1071},[1050,7267,1081],{"class":1067},[1050,7269,1072],{"class":1071},[1050,7271,1122],{"class":1121},[1050,7273,1072],{"class":1071},[1050,7275,7110],{"class":1127},[1050,7277,1131],{"class":1071},[1050,7279,7281,7284,7286,7288,7290,7292,7294,7297,7299,7301,7303,7306,7308,7310,7312,7315],{"class":1052,"line":7280},82,[1050,7282,7283],{"class":1067},"recent_popular ",[1050,7285,1114],{"class":1071},[1050,7287,1081],{"class":1067},[1050,7289,1072],{"class":1071},[1050,7291,1122],{"class":1121},[1050,7293,1072],{"class":1071},[1050,7295,7296],{"class":1127},"recent_popular",[1050,7298,1164],{"class":1071},[1050,7300,2958],{"class":1167},[1050,7302,1114],{"class":1071},[1050,7304,7305],{"class":1173},"7",[1050,7307,1084],{"class":1071},[1050,7309,6796],{"class":1167},[1050,7311,1114],{"class":1071},[1050,7313,7314],{"class":1173},"500",[1050,7316,1177],{"class":1071},[1050,7318,7320,7323,7325,7327,7329,7331,7333,7335,7337,7339,7341,7343],{"class":1052,"line":7319},83,[1050,7321,7322],{"class":1067},"chained_query ",[1050,7324,1114],{"class":1071},[1050,7326,1081],{"class":1067},[1050,7328,1072],{"class":1071},[1050,7330,1122],{"class":1121},[1050,7332,1072],{"class":1071},[1050,7334,1534],{"class":1127},[1050,7336,2336],{"class":1071},[1050,7338,7110],{"class":1127},[1050,7340,2336],{"class":1071},[1050,7342,7167],{"class":1127},[1050,7344,1131],{"class":1071},[1035,7346,7348],{"id":7347},"database-functions-and-expressions","Database Functions and Expressions",[1040,7350,7352],{"className":1042,"code":7351,"language":1044,"meta":1045,"style":1045},"from django.db.models import F, Value, Case, When\nfrom django.db.models.functions import Concat, Lower, Upper, Length\n\n# F expressions for field references\n# Increment view count\nPost.objects.filter(id=1).update(view_count=F('view_count') + 1)\n\n# Compare fields\nposts = Post.objects.filter(like_count__gt=F('view_count') / 10)\n\n# Annotations with F expressions\nposts = Post.objects.annotate(\n    engagement_ratio=F('like_count') / F('view_count')\n).filter(engagement_ratio__gt=0.1)\n\n# String functions\nauthors = Author.objects.annotate(\n    full_name=Concat('first_name', Value(' '), 'last_name'),\n    name_length=Length('name'),\n    name_lower=Lower('name')\n)\n\n# Conditional expressions\nposts = Post.objects.annotate(\n    status_display=Case(\n        When(status='draft', then=Value('Draft')),\n        When(status='published', then=Value('Published')),\n        When(status='archived', then=Value('Archived')),\n        default=Value('Unknown')\n    )\n)\n\n# Date functions\nfrom django.db.models.functions import Extract, TruncDate, TruncMonth\n\nposts = Post.objects.annotate(\n    year=Extract('created_at', 'year'),\n    month=Extract('created_at', 'month'),\n    created_date=TruncDate('created_at')\n)\n\n# Group by month\nmonthly_stats = Post.objects.annotate(\n    month=TruncMonth('created_at')\n).values('month').annotate(\n    count=Count('id')\n).order_by('month')\n",[1047,7353,7354,7388,7427,7431,7436,7441,7492,7496,7501,7544,7548,7553,7571,7605,7623,7627,7632,7650,7692,7712,7732,7736,7740,7745,7763,7775,7814,7849,7885,7905,7909,7913,7917,7922,7955,7959,7977,8006,8034,8054,8058,8062,8067,8086,8105,8125,8144],{"__ignoreMap":1045},[1050,7355,7356,7358,7360,7362,7364,7366,7368,7370,7373,7375,7378,7380,7383,7385],{"class":1052,"line":1053},[1050,7357,1064],{"class":1063},[1050,7359,1632],{"class":1067},[1050,7361,1072],{"class":1071},[1050,7363,2702],{"class":1067},[1050,7365,1072],{"class":1071},[1050,7367,1075],{"class":1067},[1050,7369,1078],{"class":1063},[1050,7371,7372],{"class":1067}," F",[1050,7374,1084],{"class":1071},[1050,7376,7377],{"class":1067}," Value",[1050,7379,1084],{"class":1071},[1050,7381,7382],{"class":1067}," Case",[1050,7384,1084],{"class":1071},[1050,7386,7387],{"class":1067}," When\n",[1050,7389,7390,7392,7394,7396,7398,7400,7402,7404,7407,7409,7412,7414,7417,7419,7422,7424],{"class":1052,"line":1060},[1050,7391,1064],{"class":1063},[1050,7393,1632],{"class":1067},[1050,7395,1072],{"class":1071},[1050,7397,2702],{"class":1067},[1050,7399,1072],{"class":1071},[1050,7401,2364],{"class":1067},[1050,7403,1072],{"class":1071},[1050,7405,7406],{"class":1067},"functions ",[1050,7408,1078],{"class":1063},[1050,7410,7411],{"class":1067}," Concat",[1050,7413,1084],{"class":1071},[1050,7415,7416],{"class":1067}," Lower",[1050,7418,1084],{"class":1071},[1050,7420,7421],{"class":1067}," Upper",[1050,7423,1084],{"class":1071},[1050,7425,7426],{"class":1067}," Length\n",[1050,7428,7429],{"class":1052,"line":1095},[1050,7430,1099],{"emptyLinePlaceholder":1098},[1050,7432,7433],{"class":1052,"line":1102},[1050,7434,7435],{"class":1056},"# F expressions for field references\n",[1050,7437,7438],{"class":1052,"line":1108},[1050,7439,7440],{"class":1056},"# Increment view count\n",[1050,7442,7443,7445,7447,7449,7451,7453,7455,7457,7459,7461,7463,7465,7467,7470,7472,7475,7477,7479,7481,7483,7485,7488,7490],{"class":1052,"line":1134},[1050,7444,1948],{"class":1067},[1050,7446,1072],{"class":1071},[1050,7448,1122],{"class":1121},[1050,7450,1072],{"class":1071},[1050,7452,1522],{"class":1127},[1050,7454,1164],{"class":1071},[1050,7456,1168],{"class":1167},[1050,7458,1114],{"class":1071},[1050,7460,1174],{"class":1173},[1050,7462,1539],{"class":1071},[1050,7464,2111],{"class":1127},[1050,7466,1164],{"class":1071},[1050,7468,7469],{"class":1167},"view_count",[1050,7471,1114],{"class":1071},[1050,7473,7474],{"class":1127},"F",[1050,7476,1164],{"class":1071},[1050,7478,1205],{"class":1204},[1050,7480,7469],{"class":1208},[1050,7482,1205],{"class":1204},[1050,7484,2775],{"class":1071},[1050,7486,7487],{"class":2778}," +",[1050,7489,3898],{"class":1173},[1050,7491,1177],{"class":1071},[1050,7493,7494],{"class":1052,"line":1139},[1050,7495,1099],{"emptyLinePlaceholder":1098},[1050,7497,7498],{"class":1052,"line":1145},[1050,7499,7500],{"class":1056},"# Compare fields\n",[1050,7502,7503,7505,7507,7509,7511,7513,7515,7517,7519,7522,7524,7526,7528,7530,7532,7534,7536,7539,7542],{"class":1052,"line":1180},[1050,7504,1846],{"class":1067},[1050,7506,1114],{"class":1071},[1050,7508,1081],{"class":1067},[1050,7510,1072],{"class":1071},[1050,7512,1122],{"class":1121},[1050,7514,1072],{"class":1071},[1050,7516,1522],{"class":1127},[1050,7518,1164],{"class":1071},[1050,7520,7521],{"class":1167},"like_count__gt",[1050,7523,1114],{"class":1071},[1050,7525,7474],{"class":1127},[1050,7527,1164],{"class":1071},[1050,7529,1205],{"class":1204},[1050,7531,7469],{"class":1208},[1050,7533,1205],{"class":1204},[1050,7535,2775],{"class":1071},[1050,7537,7538],{"class":2778}," /",[1050,7540,7541],{"class":1173}," 10",[1050,7543,1177],{"class":1071},[1050,7545,7546],{"class":1052,"line":1216},[1050,7547,1099],{"emptyLinePlaceholder":1098},[1050,7549,7550],{"class":1052,"line":1221},[1050,7551,7552],{"class":1056},"# Annotations with F expressions\n",[1050,7554,7555,7557,7559,7561,7563,7565,7567,7569],{"class":1052,"line":1227},[1050,7556,1846],{"class":1067},[1050,7558,1114],{"class":1071},[1050,7560,1081],{"class":1067},[1050,7562,1072],{"class":1071},[1050,7564,1122],{"class":1121},[1050,7566,1072],{"class":1071},[1050,7568,6249],{"class":1127},[1050,7570,1304],{"class":1071},[1050,7572,7573,7576,7578,7580,7582,7584,7587,7589,7591,7593,7595,7597,7599,7601,7603],{"class":1052,"line":1248},[1050,7574,7575],{"class":1167},"    engagement_ratio",[1050,7577,1114],{"class":1071},[1050,7579,7474],{"class":1127},[1050,7581,1164],{"class":1071},[1050,7583,1205],{"class":1204},[1050,7585,7586],{"class":1208},"like_count",[1050,7588,1205],{"class":1204},[1050,7590,2775],{"class":1071},[1050,7592,7538],{"class":2778},[1050,7594,7372],{"class":1127},[1050,7596,1164],{"class":1071},[1050,7598,1205],{"class":1204},[1050,7600,7469],{"class":1208},[1050,7602,1205],{"class":1204},[1050,7604,1177],{"class":1071},[1050,7606,7607,7609,7611,7613,7616,7618,7621],{"class":1052,"line":1269},[1050,7608,1539],{"class":1071},[1050,7610,1522],{"class":1127},[1050,7612,1164],{"class":1071},[1050,7614,7615],{"class":1167},"engagement_ratio__gt",[1050,7617,1114],{"class":1071},[1050,7619,7620],{"class":1173},"0.1",[1050,7622,1177],{"class":1071},[1050,7624,7625],{"class":1052,"line":1274},[1050,7626,1099],{"emptyLinePlaceholder":1098},[1050,7628,7629],{"class":1052,"line":1280},[1050,7630,7631],{"class":1056},"# String functions\n",[1050,7633,7634,7636,7638,7640,7642,7644,7646,7648],{"class":1052,"line":1307},[1050,7635,4874],{"class":1067},[1050,7637,1114],{"class":1071},[1050,7639,1087],{"class":1067},[1050,7641,1072],{"class":1071},[1050,7643,1122],{"class":1121},[1050,7645,1072],{"class":1071},[1050,7647,6249],{"class":1127},[1050,7649,1304],{"class":1071},[1050,7651,7652,7655,7657,7660,7662,7664,7667,7669,7671,7673,7675,7677,7679,7682,7684,7687,7689],{"class":1052,"line":1325},[1050,7653,7654],{"class":1167},"    full_name",[1050,7656,1114],{"class":1071},[1050,7658,7659],{"class":1127},"Concat",[1050,7661,1164],{"class":1071},[1050,7663,1205],{"class":1204},[1050,7665,7666],{"class":1208},"first_name",[1050,7668,1205],{"class":1204},[1050,7670,1084],{"class":1071},[1050,7672,7377],{"class":1127},[1050,7674,1164],{"class":1071},[1050,7676,1205],{"class":1204},[1050,7678,1344],{"class":1204},[1050,7680,7681],{"class":1071},"),",[1050,7683,1344],{"class":1204},[1050,7685,7686],{"class":1208},"last_name",[1050,7688,1205],{"class":1204},[1050,7690,7691],{"class":1071},"),\n",[1050,7693,7694,7697,7699,7702,7704,7706,7708,7710],{"class":1052,"line":1373},[1050,7695,7696],{"class":1167},"    name_length",[1050,7698,1114],{"class":1071},[1050,7700,7701],{"class":1127},"Length",[1050,7703,1164],{"class":1071},[1050,7705,1205],{"class":1204},[1050,7707,1336],{"class":1208},[1050,7709,1205],{"class":1204},[1050,7711,7691],{"class":1071},[1050,7713,7714,7717,7719,7722,7724,7726,7728,7730],{"class":1052,"line":1378},[1050,7715,7716],{"class":1167},"    name_lower",[1050,7718,1114],{"class":1071},[1050,7720,7721],{"class":1127},"Lower",[1050,7723,1164],{"class":1071},[1050,7725,1205],{"class":1204},[1050,7727,1336],{"class":1208},[1050,7729,1205],{"class":1204},[1050,7731,1177],{"class":1071},[1050,7733,7734],{"class":1052,"line":1383},[1050,7735,1177],{"class":1071},[1050,7737,7738],{"class":1052,"line":1389},[1050,7739,1099],{"emptyLinePlaceholder":1098},[1050,7741,7742],{"class":1052,"line":1413},[1050,7743,7744],{"class":1056},"# Conditional expressions\n",[1050,7746,7747,7749,7751,7753,7755,7757,7759,7761],{"class":1052,"line":1428},[1050,7748,1846],{"class":1067},[1050,7750,1114],{"class":1071},[1050,7752,1081],{"class":1067},[1050,7754,1072],{"class":1071},[1050,7756,1122],{"class":1121},[1050,7758,1072],{"class":1071},[1050,7760,6249],{"class":1127},[1050,7762,1304],{"class":1071},[1050,7764,7765,7768,7770,7773],{"class":1052,"line":1469},[1050,7766,7767],{"class":1167},"    status_display",[1050,7769,1114],{"class":1071},[1050,7771,7772],{"class":1127},"Case",[1050,7774,1304],{"class":1071},[1050,7776,7777,7780,7782,7784,7786,7788,7790,7792,7794,7797,7799,7802,7804,7806,7809,7811],{"class":1052,"line":1474},[1050,7778,7779],{"class":1127},"        When",[1050,7781,1164],{"class":1071},[1050,7783,1527],{"class":1167},[1050,7785,1114],{"class":1071},[1050,7787,1205],{"class":1204},[1050,7789,2104],{"class":1208},[1050,7791,1205],{"class":1204},[1050,7793,1084],{"class":1071},[1050,7795,7796],{"class":1167}," then",[1050,7798,1114],{"class":1071},[1050,7800,7801],{"class":1127},"Value",[1050,7803,1164],{"class":1071},[1050,7805,1205],{"class":1204},[1050,7807,7808],{"class":1208},"Draft",[1050,7810,1205],{"class":1204},[1050,7812,7813],{"class":1071},")),\n",[1050,7815,7816,7818,7820,7822,7824,7826,7828,7830,7832,7834,7836,7838,7840,7842,7845,7847],{"class":1052,"line":1479},[1050,7817,7779],{"class":1127},[1050,7819,1164],{"class":1071},[1050,7821,1527],{"class":1167},[1050,7823,1114],{"class":1071},[1050,7825,1205],{"class":1204},[1050,7827,1534],{"class":1208},[1050,7829,1205],{"class":1204},[1050,7831,1084],{"class":1071},[1050,7833,7796],{"class":1167},[1050,7835,1114],{"class":1071},[1050,7837,7801],{"class":1127},[1050,7839,1164],{"class":1071},[1050,7841,1205],{"class":1204},[1050,7843,7844],{"class":1208},"Published",[1050,7846,1205],{"class":1204},[1050,7848,7813],{"class":1071},[1050,7850,7851,7853,7855,7857,7859,7861,7864,7866,7868,7870,7872,7874,7876,7878,7881,7883],{"class":1052,"line":1485},[1050,7852,7779],{"class":1127},[1050,7854,1164],{"class":1071},[1050,7856,1527],{"class":1167},[1050,7858,1114],{"class":1071},[1050,7860,1205],{"class":1204},[1050,7862,7863],{"class":1208},"archived",[1050,7865,1205],{"class":1204},[1050,7867,1084],{"class":1071},[1050,7869,7796],{"class":1167},[1050,7871,1114],{"class":1071},[1050,7873,7801],{"class":1127},[1050,7875,1164],{"class":1071},[1050,7877,1205],{"class":1204},[1050,7879,7880],{"class":1208},"Archived",[1050,7882,1205],{"class":1204},[1050,7884,7813],{"class":1071},[1050,7886,7887,7890,7892,7894,7896,7898,7901,7903],{"class":1052,"line":1506},[1050,7888,7889],{"class":1167},"        default",[1050,7891,1114],{"class":1071},[1050,7893,7801],{"class":1127},[1050,7895,1164],{"class":1071},[1050,7897,1205],{"class":1204},[1050,7899,7900],{"class":1208},"Unknown",[1050,7902,1205],{"class":1204},[1050,7904,1177],{"class":1071},[1050,7906,7907],{"class":1052,"line":1546},[1050,7908,5505],{"class":1071},[1050,7910,7911],{"class":1052,"line":1551},[1050,7912,1177],{"class":1071},[1050,7914,7915],{"class":1052,"line":1557},[1050,7916,1099],{"emptyLinePlaceholder":1098},[1050,7918,7919],{"class":1052,"line":1578},[1050,7920,7921],{"class":1056},"# Date functions\n",[1050,7923,7924,7926,7928,7930,7932,7934,7936,7938,7940,7942,7945,7947,7950,7952],{"class":1052,"line":2072},[1050,7925,1064],{"class":1063},[1050,7927,1632],{"class":1067},[1050,7929,1072],{"class":1071},[1050,7931,2702],{"class":1067},[1050,7933,1072],{"class":1071},[1050,7935,2364],{"class":1067},[1050,7937,1072],{"class":1071},[1050,7939,7406],{"class":1067},[1050,7941,1078],{"class":1063},[1050,7943,7944],{"class":1067}," Extract",[1050,7946,1084],{"class":1071},[1050,7948,7949],{"class":1067}," TruncDate",[1050,7951,1084],{"class":1071},[1050,7953,7954],{"class":1067}," TruncMonth\n",[1050,7956,7957],{"class":1052,"line":2077},[1050,7958,1099],{"emptyLinePlaceholder":1098},[1050,7960,7961,7963,7965,7967,7969,7971,7973,7975],{"class":1052,"line":2083},[1050,7962,1846],{"class":1067},[1050,7964,1114],{"class":1071},[1050,7966,1081],{"class":1067},[1050,7968,1072],{"class":1071},[1050,7970,1122],{"class":1121},[1050,7972,1072],{"class":1071},[1050,7974,6249],{"class":1127},[1050,7976,1304],{"class":1071},[1050,7978,7979,7982,7984,7987,7989,7991,7993,7995,7997,7999,8002,8004],{"class":1052,"line":2116},[1050,7980,7981],{"class":1167},"    year",[1050,7983,1114],{"class":1071},[1050,7985,7986],{"class":1127},"Extract",[1050,7988,1164],{"class":1071},[1050,7990,1205],{"class":1204},[1050,7992,5662],{"class":1208},[1050,7994,1205],{"class":1204},[1050,7996,1084],{"class":1071},[1050,7998,1344],{"class":1204},[1050,8000,8001],{"class":1208},"year",[1050,8003,1205],{"class":1204},[1050,8005,7691],{"class":1071},[1050,8007,8008,8011,8013,8015,8017,8019,8021,8023,8025,8027,8030,8032],{"class":1052,"line":2131},[1050,8009,8010],{"class":1167},"    month",[1050,8012,1114],{"class":1071},[1050,8014,7986],{"class":1127},[1050,8016,1164],{"class":1071},[1050,8018,1205],{"class":1204},[1050,8020,5662],{"class":1208},[1050,8022,1205],{"class":1204},[1050,8024,1084],{"class":1071},[1050,8026,1344],{"class":1204},[1050,8028,8029],{"class":1208},"month",[1050,8031,1205],{"class":1204},[1050,8033,7691],{"class":1071},[1050,8035,8036,8039,8041,8044,8046,8048,8050,8052],{"class":1052,"line":2146},[1050,8037,8038],{"class":1167},"    created_date",[1050,8040,1114],{"class":1071},[1050,8042,8043],{"class":1127},"TruncDate",[1050,8045,1164],{"class":1071},[1050,8047,1205],{"class":1204},[1050,8049,5662],{"class":1208},[1050,8051,1205],{"class":1204},[1050,8053,1177],{"class":1071},[1050,8055,8056],{"class":1052,"line":2151},[1050,8057,1177],{"class":1071},[1050,8059,8060],{"class":1052,"line":2156},[1050,8061,1099],{"emptyLinePlaceholder":1098},[1050,8063,8064],{"class":1052,"line":2162},[1050,8065,8066],{"class":1056},"# Group by month\n",[1050,8068,8069,8072,8074,8076,8078,8080,8082,8084],{"class":1052,"line":2178},[1050,8070,8071],{"class":1067},"monthly_stats ",[1050,8073,1114],{"class":1071},[1050,8075,1081],{"class":1067},[1050,8077,1072],{"class":1071},[1050,8079,1122],{"class":1121},[1050,8081,1072],{"class":1071},[1050,8083,6249],{"class":1127},[1050,8085,1304],{"class":1071},[1050,8087,8088,8090,8092,8095,8097,8099,8101,8103],{"class":1052,"line":2186},[1050,8089,8010],{"class":1167},[1050,8091,1114],{"class":1071},[1050,8093,8094],{"class":1127},"TruncMonth",[1050,8096,1164],{"class":1071},[1050,8098,1205],{"class":1204},[1050,8100,5662],{"class":1208},[1050,8102,1205],{"class":1204},[1050,8104,1177],{"class":1071},[1050,8106,8107,8109,8111,8113,8115,8117,8119,8121,8123],{"class":1052,"line":2209},[1050,8108,1539],{"class":1071},[1050,8110,5885],{"class":1127},[1050,8112,1164],{"class":1071},[1050,8114,1205],{"class":1204},[1050,8116,8029],{"class":1208},[1050,8118,1205],{"class":1204},[1050,8120,1539],{"class":1071},[1050,8122,6249],{"class":1127},[1050,8124,1304],{"class":1071},[1050,8126,8127,8130,8132,8134,8136,8138,8140,8142],{"class":1052,"line":2220},[1050,8128,8129],{"class":1167}," 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applications require sophisticated relationship patterns to model complex business logic. This section provides comprehensive examples of common relationship patterns you'll encounter in Django applications.",{"title":280,"path":281,"stem":282,"description":8197,"children":-1},"Django's QuerySet API provides powerful tools for filtering, ordering, and slicing data. Mastering these techniques is essential for building efficient database queries and creating responsive applications.",1772474917917]