Query time 0.01199
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.32"
},
"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"
],
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"filtered": "5.00",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.01",
"prefix_cost": "1.20",
"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 '6/168/170/%') and (`portal`.`q_categories`.`category_id` in (2,10,11,12,13,14,44,50,51,58,84,604,91,144,100,101,102,106,113,115,117,121,130,131,132,133,134,135,136,137,138,139,140,142,145,146,6,7,147,153,154,159,164,167,168,169,170,179,181,183,184,185,189,190,193,194,196,197,198,199,201,202,203,245,246,248,249,252,46,294,296,299,301,361,362,364,366,367,368,378,382,383,384,385,386,387,389,395,396,400,401,402,458,403,404,405,412,413,191,419,420,421,422,423,424,425,427,428,429,431,432,438,439,442,445,446,448,450,454,455,457,465,468,207,469,470,473,482,253,489,513,516,523,529,544,545,549,555,560,564,565,578,582,584,586,589,590,591)))"
}
},
{
"table": {
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],
"key": "PRIMARY",
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"category_id",
"lang_code"
],
"key_length": "9",
"ref": [
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"const"
],
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"filtered": "100.00",
"cost_info": {
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"eval_cost": "0.01",
"prefix_cost": "1.26",
"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": [
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"const",
"const",
"const"
],
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"filtered": "100.00",
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"eval_cost": "0.01",
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"data_read_per_join": "86"
},
"used_columns": [
"name",
"object_id",
"type",
"dispatch",
"path",
"lang_code"
]
}
}
]
}
}
}