Query time 0.00093
JSON explain
{
"query_block": {
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"cost_info": {
"query_cost": "7.29"
},
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "0.10"
},
"nested_loop": [
{
"table": {
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"possible_keys": [
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"thread_id_2"
],
"key": "thread_id_2",
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],
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},
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],
"attached_condition": "(`webmarco`.`dp`.`status` = 'A')"
}
},
{
"table": {
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],
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},
"used_columns": [
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],
"attached_condition": "((`webmarco`.`cscart_discussion`.`object_id` in (430695,430988,430644,431073,431083,431313,430628,430730,431043,431135,430842,430844,431063,431089,431167,431183,431459,339831,430829,430651,430662,430880,430884,431066,430869,430898,430899,430928,339762,430769,430962,431142,339781,430684,431035,430653,430712,430847,430891,431140,430631,430893,430626,431185,381713,431031,431093,430881,430896,430909,431123,339733,339691,430806,430883,431197,430633,430797,430900,430980,431250,339600,430873,431088,431226,430837,430787,430876,430930,431023,430645,430685,430758,430913,431064,339804,430676,430768,430772,431119,431121,339488,430760,430841,430981,431008,431078,431131,431198,339594,430796,430802,430846,431032,431113,431159,431178,431356,430698,430703)) and (`webmarco`.`cscart_discussion`.`object_type` = 'P'))"
}
},
{
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],
"key": "PRIMARY",
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"eval_cost": "0.02",
"prefix_cost": "7.19",
"data_read_per_join": "760"
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}
}
]
}
}
}