Query time 0.00183
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "115.21"
},
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_products_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 24,
"rows_produced_per_join": 24,
"filtered": "100.00",
"index_condition": "(`eshopuga_upgr_4122`.`cscart_products_categories`.`product_id` in (1097,1027,1111,1019,1026,1127,1102,1122,1025,1104,1095,1106,1110,1101,1123,1126,1121,1120,1119,1124,1125,1093,1024,1107))",
"cost_info": {
"read_cost": "52.81",
"eval_cost": "4.80",
"prefix_cost": "57.61",
"data_read_per_join": "384"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
]
}
},
{
"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",
"eshopuga_upgr_4122.cscart_products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "4.80",
"prefix_cost": "86.41",
"data_read_per_join": "384"
},
"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": [
"eshopuga_upgr_4122.cscart_products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "5.00",
"cost_info": {
"read_cost": "24.00",
"eval_cost": "0.24",
"prefix_cost": "115.21",
"data_read_per_join": "3K"
},
"used_columns": [
"category_id",
"company_id",
"usergroup_ids",
"status"
],
"attached_condition": "((`eshopuga_upgr_4122`.`cscart_categories`.`company_id` = 1) and ((`eshopuga_upgr_4122`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`eshopuga_upgr_4122`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`eshopuga_upgr_4122`.`cscart_categories`.`usergroup_ids`)) and (`eshopuga_upgr_4122`.`cscart_categories`.`status` in ('A','H')))"
}
}
]
}
}
}
Result
product_id |
category_ids |
position |
1019 |
448M |
0 |
1024 |
448M |
0 |
1025 |
448M |
0 |
1026 |
448M |
0 |
1027 |
448M |
0 |
1093 |
448M |
0 |
1095 |
448M |
0 |
1097 |
448M |
0 |
1101 |
448M |
0 |
1102 |
448M |
0 |
1104 |
448M |
0 |
1106 |
448M |
0 |
1107 |
448M |
0 |
1110 |
448M |
0 |
1111 |
448M |
0 |
1119 |
448M |
0 |
1120 |
448M |
0 |
1121 |
448M |
0 |
1122 |
448M |
0 |
1123 |
448M |
0 |
1124 |
448M |
0 |
1125 |
448M |
0 |
1126 |
448M |
0 |
1127 |
448M |
0 |