Query time 0.00154
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "67.36"
},
"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": 72,
"rows_produced_per_join": 72,
"filtered": "100.00",
"index_condition": "(`cscartdb`.`cscart_products_categories`.`product_id` in (32019,9933,12034,12033,9918,27758,69929,38318,35227,34334,38426,31951,34347,34575,7471,32137,35450,32240,38330,38352,39033,35352,7523,37523,35334,7476,7420,35966,32011,32218,35691,32200,35735,70305,71343,71347,71884,72167,72174))",
"cost_info": {
"read_cost": "34.96",
"eval_cost": "7.20",
"prefix_cost": "42.16",
"data_read_per_join": "1K"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
]
}
},
{
"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": [
"cscartdb.cscart_products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 3,
"filtered": "5.00",
"cost_info": {
"read_cost": "18.00",
"eval_cost": "0.36",
"prefix_cost": "67.36",
"data_read_per_join": "12K"
},
"used_columns": [
"category_id",
"storefront_id",
"usergroup_ids",
"status"
],
"attached_condition": "((`cscartdb`.`cscart_categories`.`storefront_id` in (0,1)) and ((`cscartdb`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`cscartdb`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`cscartdb`.`cscart_categories`.`usergroup_ids`))) and (`cscartdb`.`cscart_categories`.`status` in ('A','H')))"
}
}
]
}
}
}
Result
product_id |
category_ids |
7420 |
265,18M |
7471 |
264,349M |
7476 |
265,18M |
7523 |
269,421M |
9918 |
393,31M |
9933 |
393,12M |
12033 |
393,12M |
12034 |
393,12M |
27758 |
393,31M |
31951 |
955,65M |
32011 |
958,347M |
32019 |
959,28M |
32137 |
959,56M |
32200 |
958,347M |
32218 |
958,347M |
32240 |
955,65M |
34334 |
991,53M |
34347 |
991,535M |
34575 |
991,53M |
35227 |
1014,421M |
35334 |
1014,18M |
35352 |
1014,421M |
35450 |
1141,1211M |
35691 |
1149,347M |
35735 |
1149,347M |
35966 |
1014,421M |
37523 |
620,576M |
38318 |
1135,29M |
38330 |
1136,28M |
38352 |
1157,28M |
38426 |
1157,28M |
39033 |
619,516M |
69929 |
1510,61M |
70305 |
270,423M |
71343 |
618,347M |
71347 |
271,349M |
71884 |
1557,40M |
72167 |
1555,39M |
72174 |
1557,40M |