Query time 0.00109
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "62.64"
},
"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": 22,
"rows_produced_per_join": 22,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "5.44",
"eval_cost": "4.40",
"prefix_cost": "9.84",
"data_read_per_join": "352"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
],
"attached_condition": "(`webmarco`.`cscart_products_categories`.`product_id` in (388361,388366,388370,388451,389024,415307,388526,388500,388585,388819,389114,388800,388517,435240,388602,391758,389105,435259,389520,435241))"
}
},
{
"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": 22,
"filtered": "100.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "4.40",
"prefix_cost": "36.24",
"data_read_per_join": "352"
},
"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": 1,
"filtered": "5.00",
"cost_info": {
"read_cost": "22.00",
"eval_cost": "0.22",
"prefix_cost": "62.64",
"data_read_per_join": "6K"
},
"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 |
388361 |
10438M |
0 |
388366 |
10438M |
0 |
388370 |
10438M |
0 |
388451 |
10438M |
0 |
388500 |
10438M |
0 |
388517 |
10438M |
0 |
388526 |
10438M |
0 |
388585 |
10438M |
0 |
388602 |
10438M |
0 |
388800 |
10438M |
0 |
388819 |
10438M |
0 |
389024 |
10438M |
0 |
389105 |
10438M |
0 |
389114 |
10438M |
0 |
389520 |
10438M |
0 |
391758 |
10438M |
0 |
415307 |
10438 |
0 |
435240 |
10438M |
0 |
435241 |
10439,10438M |
0 |
435259 |
10438M |
0 |