{
    "table_container_def": {
        "key": "databases",
        "type": "database",
        "name": "database_name",
        "fields": []
    },
    "table_def": {
        "key": "tables",
        "type": "table",
        "name": "table_name",
        "fields": [
            {
                "source": "table_type",
                "target": "type"
            },

            {
                "source": "create_time",
                "target": "create_time"
            },

            {
                "source": "update_time",
                "target": "update_time"
            },

            {
                "source": "table_size",
                "target": "table_size_mb"
            }
        ]
    },
    "column_def": {
        "key": "columns",
        "type": "column",
        "name": "column_name",
        "fields": [
            {
                "source": "column_type",
                "target": "type"
            },
            {
                "source": "column_default_value",
                "target": "default_value"
            },
            {
                "source": "column_nullable",
                "target": "nullable"
            }
        ]
    }
}
{
    "table_container_def": {
        "key": "databases",
        "type": "database",
        "name": "database_name",
        "fields": []
    },
    "table_def": {
        "key": "tables",
        "type": "table",
        "name": "table_name",
        "fields": [
            {
                "source": "table_type",
                "target": "type"
            },

            {
                "source": "create_time",
                "target": "create_time"
            },

            {
                "source": "update_time",
                "target": "update_time"
            },

            {
                "source": "table_size",
                "target": "table_size_mb"
            },

            {
                "source": "table_rows",
                "target": "num_rows"
            }
        ]
    },
    "column_def": {
        "key": "columns",
        "type": "column",
        "name": "column_name",
        "fields": [
            {
                "source": "column_type",
                "target": "type"
            },
            {
                "source": "column_default_value",
                "target": "default_value"
            },
            {
                "source": "column_nullable",
                "target": "nullable"
            }
        ]
    }
}
Update MySQL metadata def with number of columns
Update MySQL metadata def with number of columns
