Query time 0.00112
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "113.07"
},
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_products_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"link_type",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 40,
"rows_produced_per_join": 40,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "9.07",
"eval_cost": "8.00",
"prefix_cost": "17.07",
"data_read_per_join": "640"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
],
"attached_condition": "(`webmarco`.`cscart_products_categories`.`product_id` in (366926,366913,366931,366914,366929,366928,366927,366936,366937,368738,366940,366915,368731,366930,368839,368772,366933,366934,368698,368735))"
}
},
{
"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",
"webmarco.cscart_products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 40,
"filtered": "100.00",
"cost_info": {
"read_cost": "40.00",
"eval_cost": "8.00",
"prefix_cost": "65.07",
"data_read_per_join": "640"
},
"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": [
"webmarco.cscart_products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 2,
"filtered": "5.00",
"cost_info": {
"read_cost": "40.00",
"eval_cost": "0.40",
"prefix_cost": "113.07",
"data_read_per_join": "11K"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status",
"storefront_id"
],
"attached_condition": "((`webmarco`.`cscart_categories`.`storefront_id` in (0,1)) and ((`webmarco`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`webmarco`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`webmarco`.`cscart_categories`.`usergroup_ids`)) and (`webmarco`.`cscart_categories`.`status` in ('A','H')))"
}
}
]
}
}
}
Result
product_id |
category_ids |
position |
366913 |
2913,2910M |
0 |
366914 |
2913,2910M |
0 |
366915 |
2913,2910M |
0 |
366926 |
2913,2920,2910M |
0 |
366927 |
2913,2920,2910M |
0 |
366928 |
2913,2920,2910M |
0 |
366929 |
2913,2920,2910M |
0 |
366930 |
2913,2920,2910M |
0 |
366931 |
2913,2920,2910M |
0 |
366933 |
2913,2910M |
0 |
366934 |
2913,2910M |
0 |
366936 |
2913,2910M |
0 |
366937 |
2913,2910M |
0 |
366940 |
2913,2910M |
0 |
368698 |
2913M |
0 |
368731 |
2913M |
0 |
368735 |
2913M |
0 |
368738 |
2913M |
0 |
368772 |
2913M |
0 |
368839 |
2913M |
0 |