system_exist_column

{
    "id": "string",
    "exist_table_id": "string",
    "column_name": "string",
    "column_version": "string",
    "column_comment": "string",
    "column_default": "string",
    "column_data_type": "string",
    "column_data_length": -2147483648,
    "column_java_type": "string",
    "column_order": -2147483648,
    "is_nullable": -2147483648,
    "is_primary_key": -2147483648,
    "is_delete": -2147483648,
    "create_time": "2019-08-24T14:15:22.123Z",
    "create_by": "string",
    "update_time": "2019-08-24T14:15:22.123Z",
    "update_by": "string",
    "remarks": "string"
}