pgroll/examples/01_create_tables.json

{
    "name": "01_create_tables",
    "operations": [
        {
            "create_table": {
                "name": "customers",
                "columns": [
                    {
                        "name": "id",
                        "type": "integer",
                        "pk": true
                    },
                    {
                        "name": "name",
                        "type": "varchar(255)",
                        "unique": true
                    },
                    {
                        "name": "credit_card",
                        "type": "text",
                        "nullable": true
                    }
                ]
            }
        },
        {
            "create_table": {
                "name": "bills",
                "columns": [
                    {
                        "name": "id",
                        "type": "integer",
                        "pk": true
                    },
                    {
                        "name": "date",
                        "type": "time with time zone"
                    },
                    {
                        "name": "quantity",
                        "type": "integer"
                    }
                ]
            }
        }
    ]
}