Query time 0.00099
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",
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"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": [
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],
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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 (431132,339796,391798,339457,265042,339477,339541,431162,339700,339811,431202,339489,392172,431099,431128,339458,339623,339469,431155,430639,339453,339797,339798,339606,392167,431141,339699,339643,431130,431168,339482,339685,431153,431154,339730,431096,431137,339731,392175,339463,381703,339709,430637,431125,431124,339478,381725,339460,430911,339468,431094,431146,430640,431134,339467,430745,431048,431187,339753,431033,339810,339808,339696,430767,339805,431067,339757,339787,339701,339806,430697,431191,339794,431090,431117,339464,431065,431104,431107,431157,431116,381701,392166,381687,431204,339452,431196,431084,339752,339750,339695,339814,430655,430744,430850,431203,431160,431176,431100,339707)) and (`webmarco`.`cscart_discussion`.`object_type` = 'P'))"
}
},
{
"table": {
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"possible_keys": [
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"age_verification",
"status",
"idx_parent_product_id",
"idx_master_product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
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],
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"filtered": "100.00",
"using_index": true,
"cost_info": {
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"eval_cost": "0.02",
"prefix_cost": "7.19",
"data_read_per_join": "760"
},
"used_columns": [
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]
}
}
]
}
}
}