{
"query_block": {
"select_id": 1,
"table": {
"table_name": "pfv",
"access_type": "ref",
"possible_keys": ["PRIMARY", "fl", "variant_id", "fpl"],
"key": "variant_id",
"key_length": "6",
"used_key_parts": ["variant_id", "feature_id"],
"ref": ["const", "const"],
"rows": 18,
"filtered": 100,
"using_index": true
}
}
}
count |
---|
18 |