Query time 0.00108
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "35.96"
},
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_products_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 28,
"rows_produced_per_join": 28,
"filtered": "100.00",
"index_condition": "(`cscartdb`.`cscart_products_categories`.`product_id` in (32142,32153,37095,54814,54821,37136,37110,54826,37066,54820,54813,60433,37094,70774,70775))",
"cost_info": {
"read_cost": "13.56",
"eval_cost": "2.80",
"prefix_cost": "16.36",
"data_read_per_join": "448"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
]
}
},
{
"table": {
"table_name": "product_position_source",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"ref": [
"const",
"cscartdb.cscart_products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "7.00",
"eval_cost": "2.80",
"prefix_cost": "26.16",
"data_read_per_join": "448"
},
"used_columns": [
"product_id",
"category_id",
"position"
]
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"cscartdb.cscart_products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "5.00",
"cost_info": {
"read_cost": "7.00",
"eval_cost": "0.14",
"prefix_cost": "35.96",
"data_read_per_join": "4K"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "((`cscartdb`.`cscart_categories`.`storefront_id` in (0,1)) and ((`cscartdb`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`cscartdb`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`cscartdb`.`cscart_categories`.`usergroup_ids`))) and (`cscartdb`.`cscart_categories`.`status` in ('A','H')))"
}
}
]
}
}
}
Result
product_id |
category_ids |
position |
32142 |
959,26M |
0 |
32153 |
959,26M |
0 |
37066 |
1068,26M |
0 |
37094 |
1068,26M |
0 |
37095 |
1068,26M |
0 |
37110 |
1068,26M |
0 |
37136 |
1068,26M |
0 |
54813 |
1248,26M |
0 |
54814 |
1248,26M |
0 |
54820 |
1250,26M |
0 |
54821 |
1250,26M |
0 |
54826 |
1250,26M |
0 |
60433 |
1472,26M |
0 |
70774 |
1486,26M |
0 |
70775 |
1486,26M |
0 |