Query time 0.00087
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "48.63"
},
"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": 17,
"rows_produced_per_join": 17,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "4.43",
"eval_cost": "3.40",
"prefix_cost": "7.83",
"data_read_per_join": "272"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
],
"attached_condition": "(`webmarco`.`cscart_products_categories`.`product_id` in (265043,265226,265229,265045,265228,265046,265047,265030,265227,265225,265044,265224,265369,265371,265370,265372))"
}
},
{
"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": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "17.00",
"eval_cost": "3.40",
"prefix_cost": "28.23",
"data_read_per_join": "272"
},
"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": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "17.00",
"eval_cost": "0.17",
"prefix_cost": "48.63",
"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 |
position |
265030 |
9952M |
|
265043 |
9952M |
|
265044 |
9951M |
|
265045 |
9952M |
|
265046 |
9952M |
|
265047 |
9951,9952M |
|
265224 |
9952M |
|
265225 |
9952M |
|
265226 |
9952M |
|
265227 |
9952M |
|
265228 |
9952M |
|
265229 |
9952M |
|
265369 |
9951M |
|
265370 |
9951M |
|
265371 |
9951M |
|
265372 |
9951M |
|