{
    "$schema": "http://json-schema.org/draft-07/schema#",

    "type": "array",
    "items": {
        "type": "object",
        "properties": {
            "sql": {
                "type": "string"
            },
            "rows": {
                "type": "number"
            },
            "cols": {
                "type": "array",
                "items": {
                    "type": "string"
                }
            }
        },
        "required": ["sql", "rows", "cols"],
        "additionalProperties": false
    }
}
