Query time 0.00129
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "87.49"
},
"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": 54,
"rows_produced_per_join": 54,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "11.89",
"eval_cost": "10.80",
"prefix_cost": "22.69",
"data_read_per_join": "864"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
],
"attached_condition": "(`webmarco`.`cscart_products_categories`.`product_id` in (431561,431562,431563,431564,431565,431566,431567,431568,431569,431587,431588,431589,431590,431591,431592,431593,431594,431595,431596,431597,431598,431599,431600,431601,431602,431603,431604))"
}
},
{
"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": "54.00",
"eval_cost": "0.54",
"prefix_cost": "87.49",
"data_read_per_join": "16K"
},
"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 |
431561 |
9986,2722M |
431562 |
9986,2722M |
431563 |
9986,2722M |
431564 |
9986,2722M |
431565 |
9986,2722M |
431566 |
9986,2722M |
431567 |
9986,2722M |
431568 |
9986,2722M |
431569 |
9986,2722M |
431587 |
9986,2722M |
431588 |
9986,2722M |
431589 |
9986,2722M |
431590 |
9986,2722M |
431591 |
9986,2722M |
431592 |
9986,2722M |
431593 |
9986,2722M |
431594 |
9986,2722M |
431595 |
9986,2722M |
431596 |
9986,2722M |
431597 |
9986,2722M |
431598 |
9986,2722M |
431599 |
9986,2722M |
431600 |
9986,2722M |
431601 |
9986,2722M |
431602 |
9986,2722M |
431603 |
9986,2722M |
431604 |
9986,2722M |