{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "0.35"
},
"nested_loop": [
{
"table": {
"table_name": "c",
"access_type": "const",
"possible_keys": [
"PRIMARY",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "3K"
},
"used_columns": [
"category_id",
"parent_id"
]
}
},
{
"table": {
"table_name": "sm",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"index_condition": "<if>(is_not_null_compl(sm), (`s2cart`.`sm`.`lang_code` = 'en'), true)",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "0.35",
"data_read_per_join": "32"
},
"used_columns": [
"category_id",
"lang_code",
"search_phrases"
]
}
}
]
}
}
parent_id | search_phrases |
---|---|
3252 | Solar Accessories, Solar ACDB, Solar ACDB, UV Cable Ties, Solar MMS |