Query time 0.00086
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"
],
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"cost_info": {
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"data_read_per_join": "851"
},
"used_columns": [
"post_id",
"thread_id",
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],
"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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},
"used_columns": [
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"object_type"
],
"attached_condition": "((`webmarco`.`cscart_discussion`.`object_id` in (339678,431132,265042,339796,339541,339477,339457,339700,431202,431162,339811,339489,339458,431128,431099,339623,431155,392172,339453,339797,339606,339798,339699,430639,431141,339643,339469,392167,431130,431168,339482,339685,431153,339730,431154,339731,431137,431096,339463,381703,392175,339709,431124,339460,430637,431125,381725,339478,339468,431094,339467,430745,431146,339810,430911,339753,431134,430640,431048,339696,431033,431187,339806,339805,339757,339794,339701,339808,431191,430697,430767,431067,431117,339464,339787,381701,431157,431104,381687,431090,392166,431107,431116,431204,339452,431196,431065,339752,339814,430744,431084,339695,339750,431203,431176,339656,431100,431199,430655,431160)) and (`webmarco`.`cscart_discussion`.`object_type` = 'P'))"
}
},
{
"table": {
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"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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"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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]
}
}
]
}
}
}