Query time 0.00093
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "21.61"
},
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "0.29"
},
"nested_loop": [
{
"table": {
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"access_type": "ALL",
"possible_keys": [
"thread_id",
"thread_id_2"
],
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"eval_cost": "1.14",
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"data_read_per_join": "2K"
},
"used_columns": [
"post_id",
"thread_id",
"status"
],
"attached_condition": "(`portal`.`dp`.`status` = 'A')"
}
},
{
"table": {
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"PRIMARY",
"object_id"
],
"key": "PRIMARY",
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},
"used_columns": [
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],
"attached_condition": "((`portal`.`q_discussion`.`object_id` in (10309,10310,10311,10312,10313,10314,10315,10316,10317,10318,10319,10322,10324,10325,10326,1471,1472,1473,1474,1475,1476,1477,1478,1479,1480,1481,1482,1483,1484,1485,1486,1487,1488,1489,1490,1491,1492,1493,1494,1495,1496,1497,1498,1499,1500,1502,1503,1504,1505,1506,1507,1508,1509,1510,1511,1512,1513,1514,1515,1516,1517,1518,1521,1522,1523,1528,1529,1530,1531,1532,1533,1534,1535,1536,1537,1538,1539,1540,1541,1542,1543,1544,1545,1546,1547,1548,1549,1550,1551,1552,1553,1554,1555,1556,1557,1558,1559,1560,1561,1562,1563,1564,1565,1566,1567,1568,1569,1570,1571,1572,1573,1574,1577,1578,1579,1580,1581,1582,1583,1584,1585,1586,1587,1588,1589,1590,1591,1592)) and (`portal`.`q_discussion`.`object_type` = 'P'))"
}
},
{
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],
"key": "PRIMARY",
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"product_id"
],
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"ref": [
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],
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"filtered": "100.00",
"using_index": true,
"cost_info": {
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"eval_cost": "0.06",
"prefix_cost": "21.33",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id"
]
}
}
]
}
}
}