Query time 0.00198
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "7.29"
},
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"cost_info": {
"sort_cost": "0.10"
},
"nested_loop": [
{
"table": {
"table_name": "dp",
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"possible_keys": [
"thread_id",
"thread_id_2"
],
"key": "thread_id_2",
"used_key_parts": [
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"status"
],
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"filtered": "10.00",
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"cost_info": {
"read_cost": "4.42",
"eval_cost": "0.38",
"prefix_cost": "4.80",
"data_read_per_join": "851"
},
"used_columns": [
"post_id",
"thread_id",
"status"
],
"attached_condition": "(`webmarco`.`dp`.`status` = 'A')"
}
},
{
"table": {
"table_name": "cscart_discussion",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"object_id"
],
"key": "PRIMARY",
"used_key_parts": [
"thread_id"
],
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"ref": [
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],
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"data_read_per_join": "2"
},
"used_columns": [
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"object_id",
"object_type"
],
"attached_condition": "((`webmarco`.`cscart_discussion`.`object_id` in (431506,431507,431508,431509,431510,431511,431512,431513,431514,431515,431516,431517,431518,431519,431520,431521,431522,431523,431524,431525,431526,431527,431528,431529,431530,431531,431532,431533,431534,431535,431536,431537,431552,431553,431554,431555,431556,431557,431558,431559,431560,431561,431562,431563,431564,431565,431566,431567,431568,431569,431587,431588,431589,431590,431591,431592,431593,431594,431595,431596,431597,431598,431599,431600,431601,431602,431603,431604,431570,431571,431572,431573,431574,431575,431576,431577,431578,431579,431580,431581,431582,431583,431584,431585,431586,431605,431606,431607,431608,431609,431610,431611,431612,431613,431614,431615,431616,431617,431618,431619,431620,431621,431622,431623,431624,431625,431626,431627,431628,431629,431630,431631,431632,431633,431634,431635,431636,431637,431638,431639,431640,431641,431642,431643,431644,431645,431646,431647,431648,431649,431650,431651,431652,431653,431654,431655,431656,431657,431658,431659,431660,431661,431662,431663,431664,431665,431666,431667,431668,431669,431670,431671,431687,431688,431689,431690,431691,431692,431693,431694,431695,431696,431697,431698,431699,431700,431701,431702,431703,431704,431705,431706,431707,431708,431709,431710,431711,431712,431713,431714,431715,431716,431717,431718,431719,431720,431721,431722,431723,431724,431725,431726,431727,431728,431729,431730,431731,431732,431733,431734,431735,431736,431737,431738,431739,431740,431741,431742,431743,431744,431745,431746,431747,431748,431749,431750,431751,431752,431753,431754,431755,431756,431757,431758,431759,431760,431761,431762,431763,431764,431765,431766,431767,431768,431769,431770,431771,431772,431773,431774,431775,431776,431777,431778,431779,431780,431781,431782,431783,431784,431785,431786,431787,431788,431789,431790,431791,431792,431793,431794,431795,431796,431797,431798,431799,431800,431801,431802,431803,431804,431805,431806,431807,431808,431809,431810)) and (`webmarco`.`cscart_discussion`.`object_type` = 'P'))"
}
},
{
"table": {
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"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"age_verification",
"status",
"idx_parent_product_id",
"idx_master_product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"webmarco.cscart_discussion.object_id"
],
"rows_examined_per_scan": 1,
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"using_index": true,
"cost_info": {
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"eval_cost": "0.02",
"prefix_cost": "7.19",
"data_read_per_join": "760"
},
"used_columns": [
"product_id"
]
}
}
]
}
}
}