{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "28.02"
},
"table": {
"table_name": "cscart_categories",
"access_type": "ALL",
"possible_keys": [
"PRIMARY",
"p_category_id"
],
"rows_examined_per_scan": 115,
"rows_produced_per_join": 23,
"filtered": "20.87",
"cost_info": {
"read_cost": "23.22",
"eval_cost": "4.80",
"prefix_cost": "28.02",
"data_read_per_join": "64K"
},
"used_columns": [
"category_id",
"id_path"
],
"attached_condition": "(`eshopuga_upgr_4122`.`cscart_categories`.`category_id` in (359,360,361,362,363,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386))"
}
}
}
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