Query time 0.00116
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",
"access_type": "index",
"possible_keys": [
"thread_id",
"thread_id_2"
],
"key": "thread_id_2",
"used_key_parts": [
"thread_id",
"status"
],
"key_length": "6",
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"using_index": true,
"cost_info": {
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"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"
],
"key_length": "3",
"ref": [
"webmarco.dp.thread_id"
],
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"data_read_per_join": "2"
},
"used_columns": [
"thread_id",
"object_id",
"object_type"
],
"attached_condition": "((`webmarco`.`cscart_discussion`.`object_id` in (395983,395984,395985,395986,395987,395988,395989,395990,395991,395992,395993,395994,395995,396006,396007,396008,396009,396010,396011,396012,396044,396045,396046,396047,396048,396049,396050,396058,396059,396060,396061,396062,396063,396064,396078,396079,396080,396081,396082,396083,396084,396085,414329,414330,414331,414332,414333,414334,414376,414377,414378,414379,414380,414381,414382,414383,414384,414385,414386,414387,414388,414393,414394,414395,414396,414397,414398,414399,414408,414409,414410,414411,414412,414413,414422,414423,414424,414425,414426,414427,414428,414436,414437,414438,414439,414440,414441,414514,414516,414517,414518,414519,414520,414521,431514,431515,431516,431517,431518,431519,431520,431521,431522,431523,431524,431525,431526,431527,431528,431529,431530,431531,431532,431533,431534,431535,431536,431537,431552,431553,431554,431555,431556,431557,431558,431559,431560,431561,431562,431563,431564,431565,431566,431567,431568,431569,431587,431588,431589,431590,431591,431592,431593,431594,431595,431596,431597,431598,431599,431600,431601,431602,431603,431604,431659,431660,431661,431662,431663,431664,431665,431666,431687,431688,431689,431690,431691,431692,431693,431694,431695,431696,431697,431783,431784,431785,431786,431787,431788,431789,431790,431791,431802,431803,431804,431805,431806,431807,431808,431809,431810)) 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": [
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],
"key_length": "3",
"ref": [
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],
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"eval_cost": "0.02",
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},
"used_columns": [
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]
}
}
]
}
}
}