{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "4.21"
},
"table": {
"table_name": "q_ab__video_gallery",
"access_type": "range",
"possible_keys": [
"product_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 8,
"rows_produced_per_join": 8,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.62",
"eval_cost": "1.60",
"prefix_cost": "4.22",
"data_read_per_join": "576"
},
"used_columns": [
"video_id",
"product_id"
],
"attached_condition": "(`portal`.`q_ab__video_gallery`.`product_id` in (15202,15423,15820,15822,15827,15828,15830,16638))"
}
}
}