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})\n\nawait workers.put('w1', { name: 'Alice', since: '2025-12', until: null })\nawait workers.put('w2', { name: 'Bob',   since: '2026-01', until: '2026-06' })\nawait workers.put('w3', { name: 'Carol', since: '2026-04', until: null })\n",[955,1234,1235,1279,1323,1327,1358,1394,1427,1431,1498,1561,1565,1626,1690],{"__ignoreMap":1034},[1038,1236,1237,1240,1244,1247,1249,1252,1254,1257,1260,1263,1265,1267,1269,1272,1274,1276],{"class":1040,"line":1041},[1038,1238,1239],{"class":1124},"type",[1038,1241,1243],{"class":1242},"sBMFI"," Period",[1038,1245,1246],{"class":1048}," =",[1038,1248,1049],{"class":1048},[1038,1250,1251],{"class":1149}," quarter",[1038,1253,1153],{"class":1048},[1038,1255,1256],{"class":1242}," string",[1038,1258,1259],{"class":1048},";",[1038,1261,1262],{"class":1149}," start",[1038,1264,1153],{"class":1048},[1038,1266,1256],{"class":1242},[1038,1268,1259],{"class":1048},[1038,1270,1271],{"class":1149}," end",[1038,1273,1153],{"class":1048},[1038,1275,1256],{"class":1242},[1038,1277,1278],{"class":1048}," }\n",[1038,1280,1281,1283,1286,1288,1290,1293,1295,1297,1299,1302,1304,1306,1308,1311,1313,1315,1318,1321],{"class":1040,"line":1072},[1038,1282,1239],{"class":1124},[1038,1284,1285],{"class":1242}," Worker",[1038,1287,1246],{"class":1048},[1038,1289,1049],{"class":1048},[1038,1291,1292],{"class":1149}," name",[1038,1294,1153],{"class":1048},[1038,1296,1256],{"class":1242},[1038,1298,1259],{"class":1048},[1038,1300,1301],{"class":1149}," since",[1038,1303,1153],{"class":1048},[1038,1305,1256],{"class":1242},[1038,1307,1259],{"class":1048},[1038,1309,1310],{"class":1149}," until",[1038,1312,1153],{"class":1048},[1038,1314,1256],{"class":1242},[1038,1316,1317],{"class":1048}," |",[1038,1319,1320],{"class":1242}," null",[1038,1322,1278],{"class":1048},[1038,1324,1325],{"class":1040,"line":1093},[1038,1326,1118],{"emptyLinePlaceholder":1117},[1038,1328,1329,1331,1334,1336,1338,1341,1344,1347,1349,1351,1354,1356],{"class":1040,"line":1114},[1038,1330,1125],{"class":1124},[1038,1332,1333],{"class":1052}," vault ",[1038,1335,1131],{"class":1048},[1038,1337,1134],{"class":1044},[1038,1339,1340],{"class":1052}," db",[1038,1342,1343],{"class":1048},".",[1038,1345,1346],{"class":1137},"openVault",[1038,1348,1140],{"class":1052},[1038,1350,1177],{"class":1048},[1038,1352,1353],{"class":1065},"acme",[1038,1355,1177],{"class":1048},[1038,1357,1219],{"class":1052},[1038,1359,1360,1362,1365,1367,1370,1372,1375,1378,1381,1384,1386,1388,1390,1392],{"class":1040,"line":1121},[1038,1361,1125],{"class":1124},[1038,1363,1364],{"class":1052}," periods ",[1038,1366,1131],{"class":1048},[1038,1368,1369],{"class":1052}," vault",[1038,1371,1343],{"class":1048},[1038,1373,1374],{"class":1137},"collection",[1038,1376,1377],{"class":1048},"\u003C",[1038,1379,1380],{"class":1242},"Period",[1038,1382,1383],{"class":1048},">",[1038,1385,1140],{"class":1052},[1038,1387,1177],{"class":1048},[1038,1389,776],{"class":1065},[1038,1391,1177],{"class":1048},[1038,1393,1219],{"class":1052},[1038,1395,1396,1398,1401,1403,1405,1407,1409,1411,1414,1416,1418,1420,1423,1425],{"class":1040,"line":1146},[1038,1397,1125],{"class":1124},[1038,1399,1400],{"class":1052}," workers ",[1038,1402,1131],{"class":1048},[1038,1404,1369],{"class":1052},[1038,1406,1343],{"class":1048},[1038,1408,1374],{"class":1137},[1038,1410,1377],{"class":1048},[1038,1412,1413],{"class":1242},"Worker",[1038,1415,1383],{"class":1048},[1038,1417,1140],{"class":1052},[1038,1419,1177],{"class":1048},[1038,1421,1422],{"class":1065},"workers",[1038,1424,1177],{"class":1048},[1038,1426,1219],{"class":1052},[1038,1428,1429],{"class":1040,"line":1164},[1038,1430,1118],{"emptyLinePlaceholder":1117},[1038,1432,1433,1436,1439,1441,1444,1446,1448,1451,1453,1456,1458,1460,1462,1464,1466,1468,1470,1472,1474,1476,1479,1481,1483,1485,1487,1489,1492,1494,1496],{"class":1040,"line":1182},[1038,1434,1435],{"class":1044},"await",[1038,1437,1438],{"class":1052}," periods",[1038,1440,1343],{"class":1048},[1038,1442,1443],{"class":1137},"put",[1038,1445,1140],{"class":1052},[1038,1447,1177],{"class":1048},[1038,1449,1450],{"class":1065},"q1",[1038,1452,1177],{"class":1048},[1038,1454,1455],{"class":1048},",",[1038,1457,1049],{"class":1048},[1038,1459,1251],{"class":1149},[1038,1461,1153],{"class":1048},[1038,1463,1062],{"class":1048},[1038,1465,1450],{"class":1065},[1038,1467,1177],{"class":1048},[1038,1469,1455],{"class":1048},[1038,1471,1262],{"class":1149},[1038,1473,1153],{"class":1048},[1038,1475,1062],{"class":1048},[1038,1477,1478],{"class":1065},"2026-01",[1038,1480,1177],{"class":1048},[1038,1482,1455],{"class":1048},[1038,1484,1271],{"class":1149},[1038,1486,1153],{"class":1048},[1038,1488,1062],{"class":1048},[1038,1490,1491],{"class":1065},"2026-03",[1038,1493,1177],{"class":1048},[1038,1495,1056],{"class":1048},[1038,1497,1219],{"class":1052},[1038,1499,1500,1502,1504,1506,1508,1510,1512,1515,1517,1519,1521,1523,1525,1527,1529,1531,1533,1535,1537,1539,1542,1544,1546,1548,1550,1552,1555,1557,1559],{"class":1040,"line":1199},[1038,1501,1435],{"class":1044},[1038,1503,1438],{"class":1052},[1038,1505,1343],{"class":1048},[1038,1507,1443],{"class":1137},[1038,1509,1140],{"class":1052},[1038,1511,1177],{"class":1048},[1038,1513,1514],{"class":1065},"q2",[1038,1516,1177],{"class":1048},[1038,1518,1455],{"class":1048},[1038,1520,1049],{"class":1048},[1038,1522,1251],{"class":1149},[1038,1524,1153],{"class":1048},[1038,1526,1062],{"class":1048},[1038,1528,1514],{"class":1065},[1038,1530,1177],{"class":1048},[1038,1532,1455],{"class":1048},[1038,1534,1262],{"class":1149},[1038,1536,1153],{"class":1048},[1038,1538,1062],{"class":1048},[1038,1540,1541],{"class":1065},"2026-04",[1038,1543,1177],{"class":1048},[1038,1545,1455],{"class":1048},[1038,1547,1271],{"class":1149},[1038,1549,1153],{"class":1048},[1038,1551,1062],{"class":1048},[1038,1553,1554],{"class":1065},"2026-06",[1038,1556,1177],{"class":1048},[1038,1558,1056],{"class":1048},[1038,1560,1219],{"class":1052},[1038,1562,1563],{"class":1040,"line":1213},[1038,1564,1118],{"emptyLinePlaceholder":1117},[1038,1566,1568,1570,1573,1575,1577,1579,1581,1584,1586,1588,1590,1592,1594,1596,1599,1601,1603,1605,1607,1609,1612,1614,1616,1618,1620,1622,1624],{"class":1040,"line":1567},11,[1038,1569,1435],{"class":1044},[1038,1571,1572],{"class":1052}," workers",[1038,1574,1343],{"class":1048},[1038,1576,1443],{"class":1137},[1038,1578,1140],{"class":1052},[1038,1580,1177],{"class":1048},[1038,1582,1583],{"class":1065},"w1",[1038,1585,1177],{"class":1048},[1038,1587,1455],{"class":1048},[1038,1589,1049],{"class":1048},[1038,1591,1292],{"class":1149},[1038,1593,1153],{"class":1048},[1038,1595,1062],{"class":1048},[1038,1597,1598],{"class":1065},"Alice",[1038,1600,1177],{"class":1048},[1038,1602,1455],{"class":1048},[1038,1604,1301],{"class":1149},[1038,1606,1153],{"class":1048},[1038,1608,1062],{"class":1048},[1038,1610,1611],{"class":1065},"2025-12",[1038,1613,1177],{"class":1048},[1038,1615,1455],{"class":1048},[1038,1617,1310],{"class":1149},[1038,1619,1153],{"class":1048},[1038,1621,1320],{"class":1048},[1038,1623,1056],{"class":1048},[1038,1625,1219],{"class":1052},[1038,1627,1629,1631,1633,1635,1637,1639,1641,1644,1646,1648,1650,1652,1654,1656,1659,1661,1663,1666,1668,1670,1672,1674,1676,1678,1680,1682,1684,1686,1688],{"class":1040,"line":1628},12,[1038,1630,1435],{"class":1044},[1038,1632,1572],{"class":1052},[1038,1634,1343],{"class":1048},[1038,1636,1443],{"class":1137},[1038,1638,1140],{"class":1052},[1038,1640,1177],{"class":1048},[1038,1642,1643],{"class":1065},"w2",[1038,1645,1177],{"class":1048},[1038,1647,1455],{"class":1048},[1038,1649,1049],{"class":1048},[1038,1651,1292],{"class":1149},[1038,1653,1153],{"class":1048},[1038,1655,1062],{"class":1048},[1038,1657,1658],{"class":1065},"Bob",[1038,1660,1177],{"class":1048},[1038,1662,1455],{"class":1048},[1038,1664,1665],{"class":1149},"   since",[1038,1667,1153],{"class":1048},[1038,1669,1062],{"class":1048},[1038,1671,1478],{"class":1065},[1038,1673,1177],{"class":1048},[1038,1675,1455],{"class":1048},[1038,1677,1310],{"class":1149},[1038,1679,1153],{"class":1048},[1038,1681,1062],{"class":1048},[1038,1683,1554],{"class":1065},[1038,1685,1177],{"class":1048},[1038,1687,1056],{"class":1048},[1038,1689,1219],{"class":1052},[1038,1691,1693,1695,1697,1699,1701,1703,1705,1708,1710,1712,1714,1716,1718,1720,1723,1725,1727,1729,1731,1733,1735,1737,1739,1741,1743,1745,1747],{"class":1040,"line":1692},13,[1038,1694,1435],{"class":1044},[1038,1696,1572],{"class":1052},[1038,1698,1343],{"class":1048},[1038,1700,1443],{"class":1137},[1038,1702,1140],{"class":1052},[1038,1704,1177],{"class":1048},[1038,1706,1707],{"class":1065},"w3",[1038,1709,1177],{"class":1048},[1038,1711,1455],{"class":1048},[1038,1713,1049],{"class":1048},[1038,1715,1292],{"class":1149},[1038,1717,1153],{"class":1048},[1038,1719,1062],{"class":1048},[1038,1721,1722],{"class":1065},"Carol",[1038,1724,1177],{"class":1048},[1038,1726,1455],{"class":1048},[1038,1728,1301],{"class":1149},[1038,1730,1153],{"class":1048},[1038,1732,1062],{"class":1048},[1038,1734,1541],{"class":1065},[1038,1736,1177],{"class":1048},[1038,1738,1455],{"class":1048},[1038,1740,1310],{"class":1149},[1038,1742,1153],{"class":1048},[1038,1744,1320],{"class":1048},[1038,1746,1056],{"class":1048},[1038,1748,1219],{"class":1052},[1750,1751,1753],"h3",{"id":1752},"full-cartesian-product","Full Cartesian product",[946,1755,1756,1757,1759,1760,1763],{},"Without ",[955,1758,972],{},", every left row is paired with every right row. Each result row is the left record plus the right record under the ",[955,1761,1762],{},"as"," alias:",[1029,1765,1767],{"className":1031,"code":1766,"language":1033,"meta":1034,"style":1034},"const pairs = periods.query()\n  .crossJoin\u003CWorker, 'worker'>('workers', { as: 'worker' })\n  .toArray()\n\u002F\u002F → 6 rows (2 periods × 3 workers), each shaped like:\n",[955,1768,1769,1788,1838,1847],{"__ignoreMap":1034},[1038,1770,1771,1773,1776,1778,1780,1782,1785],{"class":1040,"line":1041},[1038,1772,1125],{"class":1124},[1038,1774,1775],{"class":1052}," pairs ",[1038,1777,1131],{"class":1048},[1038,1779,1438],{"class":1052},[1038,1781,1343],{"class":1048},[1038,1783,1784],{"class":1137},"query",[1038,1786,1787],{"class":1052},"()\n",[1038,1789,1790,1793,1796,1798,1800,1802,1804,1807,1809,1811,1813,1815,1817,1819,1821,1823,1826,1828,1830,1832,1834,1836],{"class":1040,"line":1072},[1038,1791,1792],{"class":1048},"  .",[1038,1794,1795],{"class":1137},"crossJoin",[1038,1797,1377],{"class":1048},[1038,1799,1413],{"class":1242},[1038,1801,1455],{"class":1048},[1038,1803,1062],{"class":1048},[1038,1805,1806],{"class":1065},"worker",[1038,1808,1177],{"class":1048},[1038,1810,1383],{"class":1048},[1038,1812,1140],{"class":1052},[1038,1814,1177],{"class":1048},[1038,1816,1422],{"class":1065},[1038,1818,1177],{"class":1048},[1038,1820,1455],{"class":1048},[1038,1822,1049],{"class":1048},[1038,1824,1825],{"class":1149}," as",[1038,1827,1153],{"class":1048},[1038,1829,1062],{"class":1048},[1038,1831,1806],{"class":1065},[1038,1833,1177],{"class":1048},[1038,1835,1056],{"class":1048},[1038,1837,1219],{"class":1052},[1038,1839,1840,1842,1845],{"class":1040,"line":1093},[1038,1841,1792],{"class":1048},[1038,1843,1844],{"class":1137},"toArray",[1038,1846,1787],{"class":1052},[1038,1848,1849],{"class":1040,"line":1114},[1038,1850,1852],{"class":1851},"sHwdD","\u002F\u002F → 6 rows (2 periods × 3 workers), each shaped like:\n",[1029,1854,1857],{"className":1855,"code":1856,"language":141,"meta":1034,"style":1034},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","[\n  { \"quarter\": \"q1\", \"start\": \"2026-01\", \"end\": \"2026-03\",\n    \"worker\": { \"name\": \"Alice\", \"since\": \"2025-12\", \"until\": null } },\n  { \"quarter\": \"q1\", \"start\": \"2026-01\", \"end\": \"2026-03\",\n    \"worker\": { \"name\": \"Bob\", \"since\": \"2026-01\", \"until\": \"2026-06\" } }\n]\n",[955,1858,1859,1864,1921,1984,2036,2098],{"__ignoreMap":1034},[1038,1860,1861],{"class":1040,"line":1041},[1038,1862,1863],{"class":1048},"[\n",[1038,1865,1866,1869,1872,1875,1878,1880,1882,1884,1886,1888,1890,1892,1894,1896,1898,1900,1902,1904,1906,1909,1911,1913,1915,1917,1919],{"class":1040,"line":1072},[1038,1867,1868],{"class":1048},"  {",[1038,1870,1871],{"class":1048}," \"",[1038,1873,1874],{"class":1124},"quarter",[1038,1876,1877],{"class":1048},"\"",[1038,1879,1153],{"class":1048},[1038,1881,1871],{"class":1048},[1038,1883,1450],{"class":1065},[1038,1885,1877],{"class":1048},[1038,1887,1455],{"class":1048},[1038,1889,1871],{"class":1048},[1038,1891,906],{"class":1124},[1038,1893,1877],{"class":1048},[1038,1895,1153],{"class":1048},[1038,1897,1871],{"class":1048},[1038,1899,1478],{"class":1065},[1038,1901,1877],{"class":1048},[1038,1903,1455],{"class":1048},[1038,1905,1871],{"class":1048},[1038,1907,1908],{"class":1124},"end",[1038,1910,1877],{"class":1048},[1038,1912,1153],{"class":1048},[1038,1914,1871],{"class":1048},[1038,1916,1491],{"class":1065},[1038,1918,1877],{"class":1048},[1038,1920,1161],{"class":1048},[1038,1922,1923,1926,1928,1930,1932,1934,1936,1939,1941,1943,1945,1947,1949,1951,1953,1956,1958,1960,1962,1964,1966,1968,1970,1973,1975,1977,1979,1981],{"class":1040,"line":1093},[1038,1924,1925],{"class":1048},"    \"",[1038,1927,1806],{"class":1124},[1038,1929,1877],{"class":1048},[1038,1931,1153],{"class":1048},[1038,1933,1049],{"class":1048},[1038,1935,1871],{"class":1048},[1038,1937,1938],{"class":1242},"name",[1038,1940,1877],{"class":1048},[1038,1942,1153],{"class":1048},[1038,1944,1871],{"class":1048},[1038,1946,1598],{"class":1065},[1038,1948,1877],{"class":1048},[1038,1950,1455],{"class":1048},[1038,1952,1871],{"class":1048},[1038,1954,1955],{"class":1242},"since",[1038,1957,1877],{"class":1048},[1038,1959,1153],{"class":1048},[1038,1961,1871],{"class":1048},[1038,1963,1611],{"class":1065},[1038,1965,1877],{"class":1048},[1038,1967,1455],{"class":1048},[1038,1969,1871],{"class":1048},[1038,1971,1972],{"class":1242},"until",[1038,1974,1877],{"class":1048},[1038,1976,1153],{"class":1048},[1038,1978,1320],{"class":1048},[1038,1980,1056],{"class":1048},[1038,1982,1983],{"class":1048}," },\n",[1038,1985,1986,1988,1990,1992,1994,1996,1998,2000,2002,2004,2006,2008,2010,2012,2014,2016,2018,2020,2022,2024,2026,2028,2030,2032,2034],{"class":1040,"line":1114},[1038,1987,1868],{"class":1048},[1038,1989,1871],{"class":1048},[1038,1991,1874],{"class":1124},[1038,1993,1877],{"class":1048},[1038,1995,1153],{"class":1048},[1038,1997,1871],{"class":1048},[1038,1999,1450],{"class":1065},[1038,2001,1877],{"class":1048},[1038,2003,1455],{"class":1048},[1038,2005,1871],{"class":1048},[1038,2007,906],{"class":1124},[1038,2009,1877],{"class":1048},[1038,2011,1153],{"class":1048},[1038,2013,1871],{"class":1048},[1038,2015,1478],{"class":1065},[1038,2017,1877],{"class":1048},[1038,2019,1455],{"class":1048},[1038,2021,1871],{"class":1048},[1038,2023,1908],{"class":1124},[1038,2025,1877],{"class":1048},[1038,2027,1153],{"class":1048},[1038,2029,1871],{"class":1048},[1038,2031,1491],{"class":1065},[1038,2033,1877],{"class":1048},[1038,2035,1161],{"class":1048},[1038,2037,2038,2040,2042,2044,2046,2048,2050,2052,2054,2056,2058,2060,2062,2064,2066,2068,2070,2072,2074,2076,2078,2080,2082,2084,2086,2088,2090,2092,2094,2096],{"class":1040,"line":1121},[1038,2039,1925],{"class":1048},[1038,2041,1806],{"class":1124},[1038,2043,1877],{"class":1048},[1038,2045,1153],{"class":1048},[1038,2047,1049],{"class":1048},[1038,2049,1871],{"class":1048},[1038,2051,1938],{"class":1242},[1038,2053,1877],{"class":1048},[1038,2055,1153],{"class":1048},[1038,2057,1871],{"class":1048},[1038,2059,1658],{"class":1065},[1038,2061,1877],{"class":1048},[1038,2063,1455],{"class":1048},[1038,2065,1871],{"class":1048},[1038,2067,1955],{"class":1242},[1038,2069,1877],{"class":1048},[1038,2071,1153],{"class":1048},[1038,2073,1871],{"class":1048},[1038,2075,1478],{"class":1065},[1038,2077,1877],{"class":1048},[1038,2079,1455],{"class":1048},[1038,2081,1871],{"class":1048},[1038,2083,1972],{"class":1242},[1038,2085,1877],{"class":1048},[1038,2087,1153],{"class":1048},[1038,2089,1871],{"class":1048},[1038,2091,1554],{"class":1065},[1038,2093,1877],{"class":1048},[1038,2095,1056],{"class":1048},[1038,2097,1278],{"class":1048},[1038,2099,2100],{"class":1040,"line":1146},[1038,2101,2102],{"class":1048},"]\n",[1750,2104,2106],{"id":2105},"lateral-join-grouped-aggregate-active-workers-per-period","Lateral join + grouped aggregate — active workers per period",[946,2108,2109,2110,2113,2114,2117,2118,2120,2121,2124],{},"Passing ",[955,2111,2112],{},"on: (left) => (right) => boolean"," filters the right side ",[950,2115,2116],{},"per left row",". Combined with ",[955,2119,1022],{}," and a ",[955,2122,2123],{},"count()"," reducer, this answers \"how many workers were active in each pay period\":",[1029,2126,2128],{"className":1031,"code":2127,"language":1033,"meta":1034,"style":1034},"import { count } from '@noy-db\u002Fhub\u002Freduce'\n\nconst perPeriod = periods.query()\n  .crossJoin\u003CWorker, 'worker'>('workers', {\n    as: 'worker',\n    on: (period) => (worker) =>\n      worker.since \u003C= period.start &&\n      (worker.until === null || worker.until >= period.end),\n  })\n  .groupBy('quarter')\n  .aggregate({ workerCount: count() })\n  .run()\n",[955,2129,2130,2149,2153,2170,2203,2218,2247,2271,2308,2315,2331,2356],{"__ignoreMap":1034},[1038,2131,2132,2134,2136,2139,2141,2143,2145,2147],{"class":1040,"line":1041},[1038,2133,1045],{"class":1044},[1038,2135,1049],{"class":1048},[1038,2137,2138],{"class":1052}," count",[1038,2140,1056],{"class":1048},[1038,2142,1059],{"class":1044},[1038,2144,1062],{"class":1048},[1038,2146,1088],{"class":1065},[1038,2148,1069],{"class":1048},[1038,2150,2151],{"class":1040,"line":1072},[1038,2152,1118],{"emptyLinePlaceholder":1117},[1038,2154,2155,2157,2160,2162,2164,2166,2168],{"class":1040,"line":1093},[1038,2156,1125],{"class":1124},[1038,2158,2159],{"class":1052}," perPeriod ",[1038,2161,1131],{"class":1048},[1038,2163,1438],{"class":1052},[1038,2165,1343],{"class":1048},[1038,2167,1784],{"class":1137},[1038,2169,1787],{"class":1052},[1038,2171,2172,2174,2176,2178,2180,2182,2184,2186,2188,2190,2192,2194,2196,2198,2200],{"class":1040,"line":1114},[1038,2173,1792],{"class":1048},[1038,2175,1795],{"class":1137},[1038,2177,1377],{"class":1048},[1038,2179,1413],{"class":1242},[1038,2181,1455],{"class":1048},[1038,2183,1062],{"class":1048},[1038,2185,1806],{"class":1065},[1038,2187,1177],{"class":1048},[1038,2189,1383],{"class":1048},[1038,2191,1140],{"class":1052},[1038,2193,1177],{"class":1048},[1038,2195,1422],{"class":1065},[1038,2197,1177],{"class":1048},[1038,2199,1455],{"class":1048},[1038,2201,2202],{"class":1048}," {\n",[1038,2204,2205,2208,2210,2212,2214,2216],{"class":1040,"line":1121},[1038,2206,2207],{"class":1149},"    as",[1038,2209,1153],{"class":1048},[1038,2211,1062],{"class":1048},[1038,2213,1806],{"class":1065},[1038,2215,1177],{"class":1048},[1038,2217,1161],{"class":1048},[1038,2219,2220,2223,2225,2228,2232,2235,2238,2240,2242,2244],{"class":1040,"line":1146},[1038,2221,2222],{"class":1137},"    on",[1038,2224,1153],{"class":1048},[1038,2226,2227],{"class":1048}," (",[1038,2229,2231],{"class":2230},"sHdIc","period",[1038,2233,2234],{"class":1048},")",[1038,2236,2237],{"class":1124}," =>",[1038,2239,2227],{"class":1048},[1038,2241,1806],{"class":2230},[1038,2243,2234],{"class":1048},[1038,2245,2246],{"class":1124}," =>\n",[1038,2248,2249,2252,2254,2257,2260,2263,2265,2268],{"class":1040,"line":1164},[1038,2250,2251],{"class":1052},"      worker",[1038,2253,1343],{"class":1048},[1038,2255,2256],{"class":1052},"since ",[1038,2258,2259],{"class":1048},"\u003C=",[1038,2261,2262],{"class":1052}," period",[1038,2264,1343],{"class":1048},[1038,2266,2267],{"class":1052},"start ",[1038,2269,2270],{"class":1048},"&&\n",[1038,2272,2273,2276,2278,2281,2284,2286,2289,2292,2294,2296,2299,2301,2303,2306],{"class":1040,"line":1182},[1038,2274,2275],{"class":1052},"      (worker",[1038,2277,1343],{"class":1048},[1038,2279,2280],{"class":1052},"until ",[1038,2282,2283],{"class":1048},"===",[1038,2285,1320],{"class":1048},[1038,2287,2288],{"class":1048}," ||",[1038,2290,2291],{"class":1052}," worker",[1038,2293,1343],{"class":1048},[1038,2295,2280],{"class":1052},[1038,2297,2298],{"class":1048},">=",[1038,2300,2262],{"class":1052},[1038,2302,1343],{"class":1048},[1038,2304,2305],{"class":1052},"end)",[1038,2307,1161],{"class":1048},[1038,2309,2310,2313],{"class":1040,"line":1199},[1038,2311,2312],{"class":1048},"  }",[1038,2314,1219],{"class":1052},[1038,2316,2317,2319,2321,2323,2325,2327,2329],{"class":1040,"line":1213},[1038,2318,1792],{"class":1048},[1038,2320,1022],{"class":1137},[1038,2322,1140],{"class":1052},[1038,2324,1177],{"class":1048},[1038,2326,1874],{"class":1065},[1038,2328,1177],{"class":1048},[1038,2330,1219],{"class":1052},[1038,2332,2333,2335,2337,2339,2342,2345,2347,2349,2352,2354],{"class":1040,"line":1567},[1038,2334,1792],{"class":1048},[1038,2336,1018],{"class":1137},[1038,2338,1140],{"class":1052},[1038,2340,2341],{"class":1048},"{",[1038,2343,2344],{"class":1149}," workerCount",[1038,2346,1153],{"class":1048},[1038,2348,2138],{"class":1137},[1038,2350,2351],{"class":1052},"() ",[1038,2353,1216],{"class":1048},[1038,2355,1219],{"class":1052},[1038,2357,2358,2360,2363],{"class":1040,"line":1628},[1038,2359,1792],{"class":1048},[1038,2361,2362],{"class":1137},"run",[1038,2364,1787],{"class":1052},[1029,2366,2368],{"className":1855,"code":2367,"language":141,"meta":1034,"style":1034},"[\n  { \"quarter\": \"q1\", \"workerCount\": 2 },\n  { \"quarter\": \"q2\", \"workerCount\": 3 }\n]\n",[955,2369,2370,2374,2409,2442],{"__ignoreMap":1034},[1038,2371,2372],{"class":1040,"line":1041},[1038,2373,1863],{"class":1048},[1038,2375,2376,2378,2380,2382,2384,2386,2388,2390,2392,2394,2396,2399,2401,2403,2407],{"class":1040,"line":1072},[1038,2377,1868],{"class":1048},[1038,2379,1871],{"class":1048},[1038,2381,1874],{"class":1124},[1038,2383,1877],{"class":1048},[1038,2385,1153],{"class":1048},[1038,2387,1871],{"class":1048},[1038,2389,1450],{"class":1065},[1038,2391,1877],{"class":1048},[1038,2393,1455],{"class":1048},[1038,2395,1871],{"class":1048},[1038,2397,2398],{"class":1124},"workerCount",[1038,2400,1877],{"class":1048},[1038,2402,1153],{"class":1048},[1038,2404,2406],{"class":2405},"sbssI"," 2",[1038,2408,1983],{"class":1048},[1038,2410,2411,2413,2415,2417,2419,2421,2423,2425,2427,2429,2431,2433,2435,2437,2440],{"class":1040,"line":1093},[1038,2412,1868],{"class":1048},[1038,2414,1871],{"class":1048},[1038,2416,1874],{"class":1124},[1038,2418,1877],{"class":1048},[1038,2420,1153],{"class":1048},[1038,2422,1871],{"class":1048},[1038,2424,1514],{"class":1065},[1038,2426,1877],{"class":1048},[1038,2428,1455],{"class":1048},[1038,2430,1871],{"class":1048},[1038,2432,2398],{"class":1124},[1038,2434,1877],{"class":1048},[1038,2436,1153],{"class":1048},[1038,2438,2439],{"class":2405}," 3",[1038,2441,1278],{"class":1048},[1038,2443,2444],{"class":1040,"line":1114},[1038,2445,2102],{"class":1048},[946,2447,2448,2449,2451,2452,2455,2456,2459],{},"The ",[955,2450,972],{}," filter also has a ",[950,2453,2454],{},"subset form"," — ",[955,2457,2458],{},"on: (left) => TTarget[]"," returns the exact right rows to pair with each left row, skipping the per-row scan of the whole right side when you can compute the subset directly.",[1750,2461,2463],{"id":2462},"clause-order-matters","Clause order matters",[946,2465,2466,2467,2470,2471,2474],{},"Cross-join clauses are interleaved with ",[955,2468,2469],{},"where","\u002F",[955,2472,2473],{},"filter"," clauses and processed in declaration order:",[2476,2477,2478,2491],"ul",{},[2479,2480,2481,2484,2485,2484,2487,2490],"li",{},[955,2482,2483],{},".where(...)"," ",[950,2486,998],{},[955,2488,2489],{},".crossJoin(...)"," filters the left side first — fewer left rows means a smaller product, so put left-side filters first whenever you can.",[2479,2492,2493,2484,2495,2484,2498,2500,2501,2504],{},[955,2494,2483],{},[950,2496,2497],{},"after",[955,2499,2489],{}," runs on the expanded rows and can reference the aliased right-side fields (",[955,2502,2503],{},"'worker.name'",").",[1029,2506,2508],{"className":1031,"code":2507,"language":1033,"meta":1034,"style":1034},"\u002F\u002F Left filter first: expands only q1's pairs (3 rows, not 6)\nperiods.query()\n  .where('quarter', '==', 'q1')\n  .crossJoin\u003CWorker, 'worker'>('workers', { as: 'worker' })\n  .toArray()\n\u002F\u002F → 3 rows: q1 × Alice, q1 × Bob, q1 × Carol\n\n\u002F\u002F Alias filter after: expands all 6 pairs, keeps Alice's\nperiods.query()\n  .crossJoin\u003CWorker, 'worker'>('workers', { as: 'worker' })\n  .where('worker.name', '==', 'Alice')\n  .toArray()\n\u002F\u002F → 2 rows: q1 × Alice, q2 × Alice\n",[955,2509,2510,2515,2525,2558,2604,2612,2617,2621,2626,2636,2682,2715,2723],{"__ignoreMap":1034},[1038,2511,2512],{"class":1040,"line":1041},[1038,2513,2514],{"class":1851},"\u002F\u002F Left filter first: expands only q1's pairs (3 rows, not 6)\n",[1038,2516,2517,2519,2521,2523],{"class":1040,"line":1072},[1038,2518,776],{"class":1052},[1038,2520,1343],{"class":1048},[1038,2522,1784],{"class":1137},[1038,2524,1787],{"class":1052},[1038,2526,2527,2529,2531,2533,2535,2537,2539,2541,2543,2546,2548,2550,2552,2554,2556],{"class":1040,"line":1093},[1038,2528,1792],{"class":1048},[1038,2530,2469],{"class":1137},[1038,2532,1140],{"class":1052},[1038,2534,1177],{"class":1048},[1038,2536,1874],{"class":1065},[1038,2538,1177],{"class":1048},[1038,2540,1455],{"class":1048},[1038,2542,1062],{"class":1048},[1038,2544,2545],{"class":1065},"==",[1038,2547,1177],{"class":1048},[1038,2549,1455],{"class":1048},[1038,2551,1062],{"class":1048},[1038,2553,1450],{"class":1065},[1038,2555,1177],{"class":1048},[1038,2557,1219],{"class":1052},[1038,2559,2560,2562,2564,2566,2568,2570,2572,2574,2576,2578,2580,2582,2584,2586,2588,2590,2592,2594,2596,2598,2600,2602],{"class":1040,"line":1114},[1038,2561,1792],{"class":1048},[1038,2563,1795],{"class":1137},[1038,2565,1377],{"class":1048},[1038,2567,1413],{"class":1242},[1038,2569,1455],{"class":1048},[1038,2571,1062],{"class":1048},[1038,2573,1806],{"class":1065},[1038,2575,1177],{"class":1048},[1038,2577,1383],{"class":1048},[1038,2579,1140],{"class":1052},[1038,2581,1177],{"class":1048},[1038,2583,1422],{"class":1065},[1038,2585,1177],{"class":1048},[1038,2587,1455],{"class":1048},[1038,2589,1049],{"class":1048},[1038,2591,1825],{"class":1149},[1038,2593,1153],{"class":1048},[1038,2595,1062],{"class":1048},[1038,2597,1806],{"class":1065},[1038,2599,1177],{"class":1048},[1038,2601,1056],{"class":1048},[1038,2603,1219],{"class":1052},[1038,2605,2606,2608,2610],{"class":1040,"line":1121},[1038,2607,1792],{"class":1048},[1038,2609,1844],{"class":1137},[1038,2611,1787],{"class":1052},[1038,2613,2614],{"class":1040,"line":1146},[1038,2615,2616],{"class":1851},"\u002F\u002F → 3 rows: q1 × Alice, q1 × Bob, q1 × Carol\n",[1038,2618,2619],{"class":1040,"line":1164},[1038,2620,1118],{"emptyLinePlaceholder":1117},[1038,2622,2623],{"class":1040,"line":1182},[1038,2624,2625],{"class":1851},"\u002F\u002F Alias filter after: expands all 6 pairs, keeps Alice's\n",[1038,2627,2628,2630,2632,2634],{"class":1040,"line":1199},[1038,2629,776],{"class":1052},[1038,2631,1343],{"class":1048},[1038,2633,1784],{"class":1137},[1038,2635,1787],{"class":1052},[1038,2637,2638,2640,2642,2644,2646,2648,2650,2652,2654,2656,2658,2660,2662,2664,2666,2668,2670,2672,2674,2676,2678,2680],{"class":1040,"line":1213},[1038,2639,1792],{"class":1048},[1038,2641,1795],{"class":1137},[1038,2643,1377],{"class":1048},[1038,2645,1413],{"class":1242},[1038,2647,1455],{"class":1048},[1038,2649,1062],{"class":1048},[1038,2651,1806],{"class":1065},[1038,2653,1177],{"class":1048},[1038,2655,1383],{"class":1048},[1038,2657,1140],{"class":1052},[1038,2659,1177],{"class":1048},[1038,2661,1422],{"class":1065},[1038,2663,1177],{"class":1048},[1038,2665,1455],{"class":1048},[1038,2667,1049],{"class":1048},[1038,2669,1825],{"class":1149},[1038,2671,1153],{"class":1048},[1038,2673,1062],{"class":1048},[1038,2675,1806],{"class":1065},[1038,2677,1177],{"class":1048},[1038,2679,1056],{"class":1048},[1038,2681,1219],{"class":1052},[1038,2683,2684,2686,2688,2690,2692,2695,2697,2699,2701,2703,2705,2707,2709,2711,2713],{"class":1040,"line":1567},[1038,2685,1792],{"class":1048},[1038,2687,2469],{"class":1137},[1038,2689,1140],{"class":1052},[1038,2691,1177],{"class":1048},[1038,2693,2694],{"class":1065},"worker.name",[1038,2696,1177],{"class":1048},[1038,2698,1455],{"class":1048},[1038,2700,1062],{"class":1048},[1038,2702,2545],{"class":1065},[1038,2704,1177],{"class":1048},[1038,2706,1455],{"class":1048},[1038,2708,1062],{"class":1048},[1038,2710,1598],{"class":1065},[1038,2712,1177],{"class":1048},[1038,2714,1219],{"class":1052},[1038,2716,2717,2719,2721],{"class":1040,"line":1628},[1038,2718,1792],{"class":1048},[1038,2720,1844],{"class":1137},[1038,2722,1787],{"class":1052},[1038,2724,2725],{"class":1040,"line":1692},[1038,2726,2727],{"class":1851},"\u002F\u002F → 2 rows: q1 × Alice, q2 × Alice\n",[1750,2729,2731],{"id":2730},"live-queries","Live queries",[946,2733,2734,2737,2738,2741,2742,2745,2746,2749],{},[955,2735,2736],{},".live()"," on a cross-join query subscribes to the left collection ",[950,2739,2740],{},"and"," every cross-join target (deduplicated by collection name). A mutation on either side re-runs the query and notifies subscribers. Always call ",[955,2743,2744],{},"live.stop()"," when finished. See ",[965,2747,727],{"href":2748},".\u002Flive"," for the reactive primitive itself.",[1029,2751,2753],{"className":1031,"code":2752,"language":1033,"meta":1034,"style":1034},"const live = await periods.query()\n  .crossJoin\u003CWorker, 'worker'>('workers', { as: 'worker' })\n  .live()\n\nlive.subscribe(() => console.log('pairs now:', live.value.length))\n\nawait workers.put('w4', { name: 'Dan', since: '2026-06', until: null })\n\u002F\u002F → \"pairs now: 8\"  (right-side mutation re-fired the query: 2 × 4)\n\nlive.stop()\n",[955,2754,2755,2774,2820,2828,2832,2879,2883,2941,2946,2950],{"__ignoreMap":1034},[1038,2756,2757,2759,2762,2764,2766,2768,2770,2772],{"class":1040,"line":1041},[1038,2758,1125],{"class":1124},[1038,2760,2761],{"class":1052}," live ",[1038,2763,1131],{"class":1048},[1038,2765,1134],{"class":1044},[1038,2767,1438],{"class":1052},[1038,2769,1343],{"class":1048},[1038,2771,1784],{"class":1137},[1038,2773,1787],{"class":1052},[1038,2775,2776,2778,2780,2782,2784,2786,2788,2790,2792,2794,2796,2798,2800,2802,2804,2806,2808,2810,2812,2814,2816,2818],{"class":1040,"line":1072},[1038,2777,1792],{"class":1048},[1038,2779,1795],{"class":1137},[1038,2781,1377],{"class":1048},[1038,2783,1413],{"class":1242},[1038,2785,1455],{"class":1048},[1038,2787,1062],{"class":1048},[1038,2789,1806],{"class":1065},[1038,2791,1177],{"class":1048},[1038,2793,1383],{"class":1048},[1038,2795,1140],{"class":1052},[1038,2797,1177],{"class":1048},[1038,2799,1422],{"class":1065},[1038,2801,1177],{"class":1048},[1038,2803,1455],{"class":1048},[1038,2805,1049],{"class":1048},[1038,2807,1825],{"class":1149},[1038,2809,1153],{"class":1048},[1038,2811,1062],{"class":1048},[1038,2813,1806],{"class":1065},[1038,2815,1177],{"class":1048},[1038,2817,1056],{"class":1048},[1038,2819,1219],{"class":1052},[1038,2821,2822,2824,2826],{"class":1040,"line":1093},[1038,2823,1792],{"class":1048},[1038,2825,727],{"class":1137},[1038,2827,1787],{"class":1052},[1038,2829,2830],{"class":1040,"line":1114},[1038,2831,1118],{"emptyLinePlaceholder":1117},[1038,2833,2834,2836,2838,2841,2843,2845,2847,2850,2852,2855,2857,2859,2862,2864,2866,2869,2871,2874,2876],{"class":1040,"line":1121},[1038,2835,727],{"class":1052},[1038,2837,1343],{"class":1048},[1038,2839,2840],{"class":1137},"subscribe",[1038,2842,1140],{"class":1052},[1038,2844,1158],{"class":1048},[1038,2846,2237],{"class":1124},[1038,2848,2849],{"class":1052}," console",[1038,2851,1343],{"class":1048},[1038,2853,2854],{"class":1137},"log",[1038,2856,1140],{"class":1052},[1038,2858,1177],{"class":1048},[1038,2860,2861],{"class":1065},"pairs now:",[1038,2863,1177],{"class":1048},[1038,2865,1455],{"class":1048},[1038,2867,2868],{"class":1052}," live",[1038,2870,1343],{"class":1048},[1038,2872,2873],{"class":1052},"value",[1038,2875,1343],{"class":1048},[1038,2877,2878],{"class":1052},"length))\n",[1038,2880,2881],{"class":1040,"line":1146},[1038,2882,1118],{"emptyLinePlaceholder":1117},[1038,2884,2885,2887,2889,2891,2893,2895,2897,2900,2902,2904,2906,2908,2910,2912,2915,2917,2919,2921,2923,2925,2927,2929,2931,2933,2935,2937,2939],{"class":1040,"line":1164},[1038,2886,1435],{"class":1044},[1038,2888,1572],{"class":1052},[1038,2890,1343],{"class":1048},[1038,2892,1443],{"class":1137},[1038,2894,1140],{"class":1052},[1038,2896,1177],{"class":1048},[1038,2898,2899],{"class":1065},"w4",[1038,2901,1177],{"class":1048},[1038,2903,1455],{"class":1048},[1038,2905,1049],{"class":1048},[1038,2907,1292],{"class":1149},[1038,2909,1153],{"class":1048},[1038,2911,1062],{"class":1048},[1038,2913,2914],{"class":1065},"Dan",[1038,2916,1177],{"class":1048},[1038,2918,1455],{"class":1048},[1038,2920,1301],{"class":1149},[1038,2922,1153],{"class":1048},[1038,2924,1062],{"class":1048},[1038,2926,1554],{"class":1065},[1038,2928,1177],{"class":1048},[1038,2930,1455],{"class":1048},[1038,2932,1310],{"class":1149},[1038,2934,1153],{"class":1048},[1038,2936,1320],{"class":1048},[1038,2938,1056],{"class":1048},[1038,2940,1219],{"class":1052},[1038,2942,2943],{"class":1040,"line":1182},[1038,2944,2945],{"class":1851},"\u002F\u002F → \"pairs now: 8\"  (right-side mutation re-fired the query: 2 × 4)\n",[1038,2947,2948],{"class":1040,"line":1199},[1038,2949,1118],{"emptyLinePlaceholder":1117},[1038,2951,2952,2954,2956,2959],{"class":1040,"line":1213},[1038,2953,727],{"class":1052},[1038,2955,1343],{"class":1048},[1038,2957,2958],{"class":1137},"stop",[1038,2960,1787],{"class":1052},[1750,2962,2964],{"id":2963},"inside-materialized-views","Inside materialized views",[946,2966,2967,2968,2972,2973,2976,2977,2980,2981,2484,2984,2986,2987,2990,2991,2994],{},"A cross-join inside a ",[965,2969,2971],{"href":2970},".\u002Fmaterialized-views","materialized view","'s ",[955,2974,2975],{},"query()"," callback participates in the view's ",[955,2978,2979],{},"queryHash"," — the fingerprint of the query structure that tells the view when its definition changed and its rows must be refreshed. An ",[950,2982,2983],{},"inline",[955,2985,972],{}," callback cannot be fingerprinted, so it disables that change detection for the cross-join (a console warning says so at build time). Use the named-predicate form instead: declare the predicate in the view's ",[955,2988,2989],{},"predicates"," map (each entry pairs a consumer-stable ",[955,2992,2993],{},"hash"," with the function) and reference it by name:",[1029,2996,2998],{"className":1031,"code":2997,"language":1033,"meta":1034,"style":1034},"\u002F\u002F inside a withMaterializedView definition:\npredicates: {\n  activeInPeriod: {\n    hash: 'activeInPeriod-v1',\n    fn: (row: Period & { worker: Worker }) =>\n      row.worker.since \u003C= row.start &&\n      (row.worker.until === null || row.worker.until >= row.end),\n  },\n},\nquery: (v) =>\n  v.collection\u003CPeriod>('periods').query()\n    .crossJoin\u003CWorker, 'worker'>('workers', {\n      as: 'worker',\n      on: { predicate: 'activeInPeriod' },\n    }),\n",[955,2999,3000,3005,3013,3022,3038,3070,3096,3141,3146,3151,3166,3197,3230,3245,3269],{"__ignoreMap":1034},[1038,3001,3002],{"class":1040,"line":1041},[1038,3003,3004],{"class":1851},"\u002F\u002F inside a withMaterializedView definition:\n",[1038,3006,3007,3009,3011],{"class":1040,"line":1072},[1038,3008,2989],{"class":1242},[1038,3010,1153],{"class":1048},[1038,3012,2202],{"class":1048},[1038,3014,3015,3018,3020],{"class":1040,"line":1093},[1038,3016,3017],{"class":1242},"  activeInPeriod",[1038,3019,1153],{"class":1048},[1038,3021,2202],{"class":1048},[1038,3023,3024,3027,3029,3031,3034,3036],{"class":1040,"line":1114},[1038,3025,3026],{"class":1242},"    hash",[1038,3028,1153],{"class":1048},[1038,3030,1062],{"class":1048},[1038,3032,3033],{"class":1065},"activeInPeriod-v1",[1038,3035,1177],{"class":1048},[1038,3037,1161],{"class":1048},[1038,3039,3040,3043,3045,3047,3050,3052,3054,3057,3059,3061,3063,3065,3068],{"class":1040,"line":1121},[1038,3041,3042],{"class":1242},"    fn",[1038,3044,1153],{"class":1048},[1038,3046,2227],{"class":1048},[1038,3048,3049],{"class":2230},"row",[1038,3051,1153],{"class":1048},[1038,3053,1243],{"class":1242},[1038,3055,3056],{"class":1048}," &",[1038,3058,1049],{"class":1048},[1038,3060,2291],{"class":1149},[1038,3062,1153],{"class":1048},[1038,3064,1285],{"class":1242},[1038,3066,3067],{"class":1048}," })",[1038,3069,2246],{"class":1124},[1038,3071,3072,3075,3077,3079,3081,3083,3086,3089,3091,3093],{"class":1040,"line":1146},[1038,3073,3074],{"class":1052},"      row",[1038,3076,1343],{"class":1048},[1038,3078,1806],{"class":1052},[1038,3080,1343],{"class":1048},[1038,3082,1955],{"class":1052},[1038,3084,3085],{"class":1048}," \u003C=",[1038,3087,3088],{"class":1052}," row",[1038,3090,1343],{"class":1048},[1038,3092,906],{"class":1052},[1038,3094,3095],{"class":1048}," &&\n",[1038,3097,3098,3101,3103,3105,3107,3109,3111,3114,3116,3118,3120,3122,3124,3126,3128,3131,3133,3135,3137,3139],{"class":1040,"line":1164},[1038,3099,3100],{"class":1149},"      (",[1038,3102,3049],{"class":1052},[1038,3104,1343],{"class":1048},[1038,3106,1806],{"class":1052},[1038,3108,1343],{"class":1048},[1038,3110,1972],{"class":1052},[1038,3112,3113],{"class":1048}," ===",[1038,3115,1320],{"class":1048},[1038,3117,2288],{"class":1048},[1038,3119,3088],{"class":1052},[1038,3121,1343],{"class":1048},[1038,3123,1806],{"class":1052},[1038,3125,1343],{"class":1048},[1038,3127,1972],{"class":1052},[1038,3129,3130],{"class":1048}," >=",[1038,3132,3088],{"class":1052},[1038,3134,1343],{"class":1048},[1038,3136,1908],{"class":1052},[1038,3138,2234],{"class":1149},[1038,3140,1161],{"class":1048},[1038,3142,3143],{"class":1040,"line":1182},[1038,3144,3145],{"class":1048},"  },\n",[1038,3147,3148],{"class":1040,"line":1199},[1038,3149,3150],{"class":1048},"},\n",[1038,3152,3153,3155,3157,3159,3162,3164],{"class":1040,"line":1213},[1038,3154,1784],{"class":1242},[1038,3156,1153],{"class":1048},[1038,3158,2227],{"class":1048},[1038,3160,3161],{"class":2230},"v",[1038,3163,2234],{"class":1048},[1038,3165,2246],{"class":1124},[1038,3167,3168,3171,3173,3175,3177,3179,3181,3183,3185,3187,3189,3191,3193,3195],{"class":1040,"line":1567},[1038,3169,3170],{"class":1052},"  v",[1038,3172,1343],{"class":1048},[1038,3174,1374],{"class":1137},[1038,3176,1377],{"class":1048},[1038,3178,1380],{"class":1242},[1038,3180,1383],{"class":1048},[1038,3182,1140],{"class":1052},[1038,3184,1177],{"class":1048},[1038,3186,776],{"class":1065},[1038,3188,1177],{"class":1048},[1038,3190,2234],{"class":1052},[1038,3192,1343],{"class":1048},[1038,3194,1784],{"class":1137},[1038,3196,1787],{"class":1052},[1038,3198,3199,3202,3204,3206,3208,3210,3212,3214,3216,3218,3220,3222,3224,3226,3228],{"class":1040,"line":1628},[1038,3200,3201],{"class":1048},"    .",[1038,3203,1795],{"class":1137},[1038,3205,1377],{"class":1048},[1038,3207,1413],{"class":1242},[1038,3209,1455],{"class":1048},[1038,3211,1062],{"class":1048},[1038,3213,1806],{"class":1065},[1038,3215,1177],{"class":1048},[1038,3217,1383],{"class":1048},[1038,3219,1140],{"class":1052},[1038,3221,1177],{"class":1048},[1038,3223,1422],{"class":1065},[1038,3225,1177],{"class":1048},[1038,3227,1455],{"class":1048},[1038,3229,2202],{"class":1048},[1038,3231,3232,3235,3237,3239,3241,3243],{"class":1040,"line":1692},[1038,3233,3234],{"class":1149},"      as",[1038,3236,1153],{"class":1048},[1038,3238,1062],{"class":1048},[1038,3240,1806],{"class":1065},[1038,3242,1177],{"class":1048},[1038,3244,1161],{"class":1048},[1038,3246,3248,3251,3253,3255,3258,3260,3262,3265,3267],{"class":1040,"line":3247},14,[1038,3249,3250],{"class":1149},"      on",[1038,3252,1153],{"class":1048},[1038,3254,1049],{"class":1048},[1038,3256,3257],{"class":1149}," predicate",[1038,3259,1153],{"class":1048},[1038,3261,1062],{"class":1048},[1038,3263,3264],{"class":1065},"activeInPeriod",[1038,3266,1177],{"class":1048},[1038,3268,1983],{"class":1048},[1038,3270,3272,3275,3277],{"class":1040,"line":3271},15,[1038,3273,3274],{"class":1048},"    }",[1038,3276,2234],{"class":1052},[1038,3278,1161],{"class":1048},[946,3280,3281,3282,3285,3286,3288,3289,3291,3292,3295,3296,3298],{},"The predicate function receives the ",[960,3283,3284],{},"expanded"," row (left fields plus the alias field). Bump the ",[955,3287,2993],{}," whenever the function's semantics change — that folds into the ",[955,3290,2979],{}," and forces a refresh. The ",[955,3293,3294],{},"{ predicate }"," form throws outside a view that declares a ",[955,3297,2989],{}," map, and throws if the name is not registered.",[941,3300,3302],{"id":3301},"api","API",[1750,3304,3306],{"id":3305},"querycrossjointarget-opts",[955,3307,3308],{},"query.crossJoin(target, opts)",[1029,3310,3312],{"className":1031,"code":3311,"language":1033,"meta":1034,"style":1034},"crossJoin\u003CTTarget, As extends string>(\n  target: string,\n  opts: {\n    as: As\n    on?: ((left: T) => TTarget[] | ((right: TTarget) => boolean))\n       | { predicate: string }\n    maxRows?: number\n  }\n): Query\u003CT & { [K in As]: TTarget }>\n",[955,3313,3314,3336,3347,3356,3365,3418,3433,3443,3448],{"__ignoreMap":1034},[1038,3315,3316,3318,3320,3323,3325,3328,3331,3333],{"class":1040,"line":1041},[1038,3317,1795],{"class":1137},[1038,3319,1377],{"class":1048},[1038,3321,3322],{"class":1242},"TTarget",[1038,3324,1455],{"class":1048},[1038,3326,3327],{"class":1242}," As",[1038,3329,3330],{"class":1124}," extends",[1038,3332,1256],{"class":1242},[1038,3334,3335],{"class":1052},">(\n",[1038,3337,3338,3341,3343,3345],{"class":1040,"line":1072},[1038,3339,3340],{"class":2230},"  target",[1038,3342,1153],{"class":1048},[1038,3344,1256],{"class":1242},[1038,3346,1161],{"class":1048},[1038,3348,3349,3352,3354],{"class":1040,"line":1093},[1038,3350,3351],{"class":2230},"  opts",[1038,3353,1153],{"class":1048},[1038,3355,2202],{"class":1048},[1038,3357,3358,3360,3362],{"class":1040,"line":1114},[1038,3359,2207],{"class":1149},[1038,3361,1153],{"class":1048},[1038,3363,3364],{"class":1242}," As\n",[1038,3366,3367,3369,3372,3374,3376,3379,3381,3384,3386,3388,3391,3394,3397,3399,3401,3404,3406,3408,3410,3412,3415],{"class":1040,"line":1121},[1038,3368,2222],{"class":1149},[1038,3370,3371],{"class":1048},"?:",[1038,3373,2227],{"class":1052},[1038,3375,1140],{"class":1048},[1038,3377,3378],{"class":2230},"left",[1038,3380,1153],{"class":1048},[1038,3382,3383],{"class":1242}," T",[1038,3385,2234],{"class":1048},[1038,3387,2237],{"class":1124},[1038,3389,3390],{"class":1242}," TTarget",[1038,3392,3393],{"class":1052},"[] ",[1038,3395,3396],{"class":1048},"|",[1038,3398,2227],{"class":1052},[1038,3400,1140],{"class":1048},[1038,3402,3403],{"class":2230},"right",[1038,3405,1153],{"class":1048},[1038,3407,3390],{"class":1242},[1038,3409,2234],{"class":1048},[1038,3411,2237],{"class":1124},[1038,3413,3414],{"class":1242}," boolean",[1038,3416,3417],{"class":1052},"))\n",[1038,3419,3420,3423,3425,3427,3429,3431],{"class":1040,"line":1146},[1038,3421,3422],{"class":1048},"       |",[1038,3424,1049],{"class":1048},[1038,3426,3257],{"class":1149},[1038,3428,1153],{"class":1048},[1038,3430,1256],{"class":1242},[1038,3432,1278],{"class":1048},[1038,3434,3435,3438,3440],{"class":1040,"line":1164},[1038,3436,3437],{"class":1149},"    maxRows",[1038,3439,3371],{"class":1048},[1038,3441,3442],{"class":1242}," number\n",[1038,3444,3445],{"class":1040,"line":1182},[1038,3446,3447],{"class":1048},"  }\n",[1038,3449,3450,3452,3454,3457,3459,3462,3464,3466,3469,3472,3475,3477,3480,3482,3484],{"class":1040,"line":1199},[1038,3451,2234],{"class":1052},[1038,3453,1153],{"class":1048},[1038,3455,3456],{"class":1242}," Query",[1038,3458,1377],{"class":1048},[1038,3460,3461],{"class":1242},"T",[1038,3463,3056],{"class":1048},[1038,3465,1049],{"class":1048},[1038,3467,3468],{"class":1052}," [",[1038,3470,3471],{"class":1242},"K",[1038,3473,3474],{"class":1048}," in",[1038,3476,3327],{"class":1242},[1038,3478,3479],{"class":1052},"]",[1038,3481,1153],{"class":1048},[1038,3483,3390],{"class":1242},[1038,3485,3486],{"class":1048}," }>\n",[946,3488,3489,3491,3492,3494,3495,3498,3499,3501,3502,3505],{},[955,3490,3461],{}," is the left collection's record type — the query must come from ",[955,3493,1013],{}," (a bare ",[955,3496,3497],{},"new Query(...)"," has no join context and ",[955,3500,1009],{}," throws). Returns a new immutable ",[955,3503,3504],{},"Query"," whose row type gains the alias field; the original query is unchanged.",[3507,3508,3509,3528],"table",{},[3510,3511,3512],"thead",{},[3513,3514,3515,3519,3522,3525],"tr",{},[3516,3517,3518],"th",{},"Option",[3516,3520,3521],{},"Type",[3516,3523,3524],{},"Default",[3516,3526,3527],{},"Purpose",[3529,3530,3531,3549,3567],"tbody",{},[3513,3532,3533,3538,3543,3546],{},[3534,3535,3536],"td",{},[955,3537,1762],{},[3534,3539,3540],{},[955,3541,3542],{},"string",[3534,3544,3545],{},"required",[3534,3547,3548],{},"Field name the right-side row is attached under.",[3513,3550,3551,3556,3561,3564],{},[3534,3552,3553],{},[955,3554,3555],{},"on",[3534,3557,3558,3559],{},"callback or ",[955,3560,3294],{},[3534,3562,3563],{},"none — full Cartesian product",[3534,3565,3566],{},"Lateral filter; see shapes below.",[3513,3568,3569,3574,3579,3590],{},[3534,3570,3571],{},[955,3572,3573],{},"maxRows",[3534,3575,3576],{},[955,3577,3578],{},"number",[3534,3580,3581,2227,3584,3587,3588,2234],{},[955,3582,3583],{},"50_000",[955,3585,3586],{},"DEFAULT_CROSS_JOIN_MAX_ROWS",", exported from ",[955,3589,1066],{},[3534,3591,3592],{},"Per-clause result-row ceiling.",[946,3594,3595],{},[950,3596,3597,3599],{},[955,3598,972],{}," shapes",[3507,3601,3602,3615],{},[3510,3603,3604],{},[3513,3605,3606,3609,3612],{},[3516,3607,3608],{},"Shape",[3516,3610,3611],{},"Signature",[3516,3613,3614],{},"When",[3529,3616,3617,3630,3643],{},[3513,3618,3619,3622,3627],{},[3534,3620,3621],{},"Subset",[3534,3623,3624],{},[955,3625,3626],{},"(left) => TTarget[]",[3534,3628,3629],{},"You can compute each left row's partners directly — most efficient.",[3513,3631,3632,3635,3640],{},[3534,3633,3634],{},"Predicate",[3534,3636,3637],{},[955,3638,3639],{},"(left) => (right) => boolean",[3534,3641,3642],{},"The executor scans the right side per left row and keeps matches.",[3513,3644,3645,3648,3653],{},[3534,3646,3647],{},"Named predicate",[3534,3649,3650],{},[955,3651,3652],{},"{ predicate: 'name' }",[3534,3654,3655,3656,3658],{},"Inside a materialized view — keeps ",[955,3657,2979],{}," change detection working.",[1750,3660,3662],{"id":3661},"errors","Errors",[946,3664,3665,3666,1153],{},"Both are importable from ",[955,3667,1066],{},[2476,3669,3670,3704],{},[2479,3671,3672,3677,3678,3681,3682,3684,3685,3688,3689,3692,3693,3696,3697,3700,3701,1343],{},[950,3673,3674],{},[955,3675,3676],{},"CrossJoinTooLargeError"," (code ",[955,3679,3680],{},"CROSS_JOIN_TOO_LARGE",") — the product would exceed the ceiling. Thrown ",[960,3683,998],{}," the result is allocated. Carries ",[955,3686,3687],{},"target",", ",[955,3690,3691],{},"expected"," (the row count that would have been produced), and ",[955,3694,3695],{},"limit",". Narrow the left side with ",[955,3698,3699],{},".where()"," first, or raise the ceiling with ",[955,3702,3703],{},"{ maxRows }",[2479,3705,3706,3677,3711,3714,3715,3717,3718,1343],{},[950,3707,3708],{},[955,3709,3710],{},"CrossJoinSourceUnknownError",[955,3712,3713],{},"CROSS_JOIN_SOURCE_UNKNOWN",") — the target collection is not known in the vault at execution time. Carries ",[955,3716,3687],{}," and ",[955,3719,3720],{},"leftCollection",[941,3722,3724],{"id":3723},"limits-gotchas","Limits & gotchas",[2476,3726,3727,3745,3760,3777,3791,3813],{},[2479,3728,3729,3732,3733,3736,3737,3740,3741,3744],{},[950,3730,3731],{},"Row ceiling, checked before allocation."," For a full Cartesian join, ",[955,3734,3735],{},"leftRows × rightRows"," is compared to the ceiling up front. For the lateral form, the ceiling is charged ",[950,3738,3739],{},"cumulatively"," — it applies to the total post-filter row count across ",[960,3742,3743],{},"all"," left rows, not per left row.",[2479,3746,3747,3752,3753,3756,3757,3759],{},[950,3748,3749,3751],{},[955,3750,2123],{}," counts expanded rows."," On a cross-join query, ",[955,3754,3755],{},"query.count()"," returns the size of the expanded relation (left × right after ",[955,3758,972],{},"), not the left-side cardinality.",[2479,3761,3762,3765,3766,3768,3769,3772,3773,1343],{},[950,3763,3764],{},"Same vault only."," Both collections must be open in the same vault, or execution throws ",[955,3767,3710],{},". For reads that span vaults, use ",[955,3770,3771],{},"db.queryAcross()"," — see ",[965,3774,3776],{"href":3775},"..\u002Fcore\u002Fcollection\u002Fquerying","query basics",[2479,3778,3779,3782,3783,3786,3787,3790],{},[950,3780,3781],{},"Plan-only execution is unsupported."," The standalone ",[955,3784,3785],{},"executePlan()"," helper throws on plans containing cross-join clauses — execute through ",[955,3788,3789],{},"collection.query()…toArray()",", which carries the join context.",[2479,3792,3793,3800,3801,3804,3805,3808,3809,2504],{},[950,3794,3795,3796,3799],{},"Not usable as a ",[955,3797,3798],{},"retrieve"," scope."," A query containing cross-join clauses cannot be passed as the ",[955,3802,3803],{},"within"," scope of ",[955,3806,3807],{},"collection.retrieve()"," (see ",[965,3810,3812],{"href":3811},".\u002Fsearch","search",[2479,3814,3815,3821,3822,3824,3825,3828],{},[950,3816,3817,3818,3820],{},"Inline ",[955,3819,972],{}," inside a materialized view"," disables ",[955,3823,2979],{}," change detection for that cross-join and emits a build-time console warning — use ",[955,3826,3827],{},"on: { predicate: 'name' }"," there.",[946,3830,3831],{},"Left\u002Fouter cross-join variants and cross-joins over materialized-view virtual collections are not available.",[941,3833,3835],{"id":3834},"see-also","See also",[2476,3837,3838,3846,3853,3861,3868,3883],{},[2479,3839,3840,3842,3843,3845],{},[965,3841,715],{"href":983}," — FK joins over declared ",[955,3844,987],{}," relationships (use these when a reference exists)",[2479,3847,3848,2455,3850,3852],{},[965,3849,1018],{"href":1017},[955,3851,1022],{}," + reducers over the expanded rows",[2479,3854,3855,3857,3858,3860],{},[965,3856,727],{"href":2748}," — the reactive query primitive ",[955,3859,2736],{}," returns",[2479,3862,3863,3865,3866],{},[965,3864,739],{"href":2970}," — named predicates and ",[955,3867,2979],{},[2479,3869,3870,2455,3873,3875,3876,3875,3878,3717,3881],{},[965,3871,3872],{"href":3775},"Query basics",[955,3874,2469],{}," \u002F ",[955,3877,2473],{},[955,3879,3880],{},"orderBy",[955,3882,3771],{},[2479,3884,3885,3886,1343],{},"Proven by showcase ",[965,3887,3891],{"href":3888,"rel":3889},"https:\u002F\u002Fgithub.com\u002Fnoy-db\u002Fdocs\u002Fblob\u002Fmain\u002Fshowcases\u002Fsrc\u002F92-with-cross-join.showcase.test.ts",[3890],"nofollow",[955,3892,3893],{},"92-with-cross-join",[3895,3896,3897],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html 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.sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":1034,"searchDepth":1093,"depth":1093,"links":3899},[3900,3901,3902,3909,3913,3914],{"id":943,"depth":1072,"text":944},{"id":1002,"depth":1072,"text":1003},{"id":1222,"depth":1072,"text":1223,"children":3903},[3904,3905,3906,3907,3908],{"id":1752,"depth":1093,"text":1753},{"id":2105,"depth":1093,"text":2106},{"id":2462,"depth":1093,"text":2463},{"id":2730,"depth":1093,"text":2731},{"id":2963,"depth":1093,"text":2964},{"id":3301,"depth":1072,"text":3302,"children":3910},[3911,3912],{"id":3305,"depth":1093,"text":3308},{"id":3661,"depth":1093,"text":3662},{"id":3723,"depth":1072,"text":3724},{"id":3834,"depth":1072,"text":3835},null,"Cartesian and lateral cross-joins in the query DSL, with a 50,000-row cost ceiling enforced before 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