Query time 0.00150
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "29.83"
},
"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": 18,
"rows_produced_per_join": 18,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "4.63",
"eval_cost": "3.60",
"prefix_cost": "8.23",
"data_read_per_join": "288"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
],
"attached_condition": "(`webmarco`.`cscart_products_categories`.`product_id` in (432460,432542,432333,432589,432449,435503,432353,432668,432523,432642,432251,432652,432688,432320,432694,432250,432673,432679))"
}
},
{
"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": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "18.00",
"eval_cost": "0.18",
"prefix_cost": "29.83",
"data_read_per_join": "5K"
},
"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 |
432250 |
2599M |
432251 |
2878M |
432320 |
2878M |
432333 |
9276M |
432353 |
10563M |
432449 |
9994M |
432460 |
9994M |
432523 |
9994M |
432542 |
9994M |
432589 |
9994M |
432642 |
9993M |
432652 |
9983M |
432668 |
9983M |
432673 |
10491M |
432679 |
10491M |
432688 |
9983M |
432694 |
9983M |
435503 |
9276M |