Query time 0.00438
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.52"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "q_categories",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"c_status",
"parent",
"id_path",
"p_category_id"
],
"key": "parent",
"used_key_parts": [
"parent_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 2,
"rows_produced_per_join": 0,
"filtered": "2.50",
"cost_info": {
"read_cost": "2.00",
"eval_cost": "0.01",
"prefix_cost": "2.40",
"data_read_per_join": "135"
},
"used_columns": [
"category_id",
"parent_id",
"id_path",
"usergroup_ids",
"status",
"position",
"is_trash",
"ab__lc_catalog_image_control"
],
"attached_condition": "(((`portal`.`q_categories`.`usergroup_ids` = '') or find_in_set(0,`portal`.`q_categories`.`usergroup_ids`) or find_in_set(1,`portal`.`q_categories`.`usergroup_ids`)) and (`portal`.`q_categories`.`status` = 'A') and (`portal`.`q_categories`.`id_path` like '190/191/%') and (`portal`.`q_categories`.`category_id` in (12,13,38,42,50,77,79,6,159,167,168,177,184,185,190,191,192,193,194,195,196,199,200,201,202,204,206,207,248,278,279,282,299,301,360,382,383,385,386,401,402,412,413,415,418,419,420,422,423,424,425,427,428,429,438,439,442,454,455,469,470,475,512,513,544,548,551,552,554,555,556,560,561,562)))"
}
},
{
"table": {
"table_name": "q_category_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"lang_code"
],
"key_length": "9",
"ref": [
"portal.q_categories.category_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.05",
"eval_cost": "0.01",
"prefix_cost": "2.46",
"data_read_per_join": "155"
},
"used_columns": [
"category_id",
"lang_code",
"category"
]
}
},
{
"table": {
"table_name": "q_seo_names",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"dispatch"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"type",
"dispatch",
"lang_code"
],
"key_length": "206",
"ref": [
"portal.q_categories.category_id",
"const",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.05",
"eval_cost": "0.01",
"prefix_cost": "2.52",
"data_read_per_join": "86"
},
"used_columns": [
"name",
"object_id",
"type",
"dispatch",
"path",
"lang_code"
]
}
}
]
}
}
}
Result
category_id |
parent_id |
id_path |
category |
position |
status |
seo_name |
seo_path |
ab__lc_catalog_image_control |
418 |
191 |
190/191/418 |
Mobile Cover Case |
10 |
A |
mobile-cover-case |
190/191 |
none |
419 |
191 |
190/191/419 |
Tablet Cover Case |
20 |
A |
tablet-cover-case |
190/191 |
none |