Query time 0.00100
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "13.15"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "cscart_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": 1,
"rows_produced_per_join": 0,
"filtered": "5.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.01",
"prefix_cost": "0.35",
"data_read_per_join": "181"
},
"used_columns": [
"category_id",
"parent_id",
"id_path",
"company_id",
"usergroup_ids",
"status",
"position",
"age_verification",
"age_limit",
"is_trash",
"ab__lc_catalog_image_control",
"ab__fn_category_status",
"ab__fn_label_color",
"ab__fn_label_background",
"ab__fn_use_origin_image",
"storefront_id"
],
"attached_condition": "(((`s2cart`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`s2cart`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`s2cart`.`cscart_categories`.`usergroup_ids`))) and (`s2cart`.`cscart_categories`.`status` = 'A') and (`s2cart`.`cscart_categories`.`id_path` like '1530/1541/%') and (`s2cart`.`cscart_categories`.`category_id` <> 414) and (`s2cart`.`cscart_categories`.`storefront_id` in (0,1)))"
}
},
{
"table": {
"table_name": "cscart_category_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"lang_code"
],
"key_length": "9",
"ref": [
"s2cart.cscart_categories.category_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 0,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.01",
"eval_cost": "0.01",
"prefix_cost": "0.37",
"data_read_per_join": "324"
},
"used_columns": [
"category_id",
"lang_code",
"category",
"age_warning_message",
"ab__custom_category_h1",
"ab__fn_label_text",
"ab__fn_label_show"
]
}
},
{
"table": {
"table_name": "cscart_seo_names",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"dispatch"
],
"key": "PRIMARY",
"used_key_parts": [
"object_id",
"type",
"dispatch",
"lang_code"
],
"key_length": "206",
"ref": [
"s2cart.cscart_categories.category_id",
"const",
"const",
"const"
],
"rows_examined_per_scan": 696,
"rows_produced_per_join": 34,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.30",
"eval_cost": "3.48",
"prefix_cost": "13.15",
"data_read_per_join": "58K"
},
"used_columns": [
"name",
"object_id",
"type",
"dispatch",
"path",
"lang_code"
]
}
}
]
}
}
}