Query time 0.00057
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.40"
},
"ordering_operation": {
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "cscart_ab__video_gallery",
"access_type": "ref",
"possible_keys": [
"status",
"product_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"index_condition": "(`webmarco`.`cscart_ab__video_gallery`.`product_id` <=> 389266)",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "1.20",
"data_read_per_join": "64"
},
"used_columns": [
"video_id",
"product_id",
"pos",
"status",
"icon_type"
],
"attached_condition": "(`webmarco`.`cscart_ab__video_gallery`.`status` = 'A')"
}
},
{
"table": {
"table_name": "cscart_ab__video_gallery_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"video_id",
"lang_code"
],
"key_length": "9",
"ref": [
"webmarco.cscart_ab__video_gallery.video_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "2.40",
"data_read_per_join": "840"
},
"used_columns": [
"video_id",
"youtube_id",
"title",
"description",
"lang_code"
]
}
}
]
}
}
}