{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.00"
},
"nested_loop": [
{
"table": {
"table_name": "pfv",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_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": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "1K"
},
"used_columns": [
"variant_id",
"position"
]
}
},
{
"table": {
"table_name": "pfvd",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "4K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
}
]
}
}
variant_id | position | variant |
---|---|---|
64062 | 0 | Black |