{
    "connect": "mysql+pymysql://{user}@{host}/{schema}",
    "prefix_with": "STRAIGHT_JOIN",
    "metrics": [
        {
            "name": "clicks",
            "type": "integer",
            "aggregation": "sum"
        },
        {
            "name": "cost",
            "type": "numeric(10,2)",
            "aggregation": "sum",
            "rounding": 2
        }
    ],
    "tables": {
        "zillion_test.partners": {
            "type": "dimension",
            "create_fields": true,
            "primary_key": [
                "partner_id"
            ],
            "columns": {
                "id": {
                    "fields": [
                        "partner_id"
                    ]
                },
                "name": {
                    "fields": [
                        "partner_name"
                    ]
                }
            }
        },
        "zillion_test.campaigns": {
            "type": "dimension",
            "create_fields": true,
            "parent": "zillion_test.partners",
            "primary_key": [
                "campaign_id"
            ],
            "columns": {
                "id": {
                    "fields": [
                        "campaign_id"
                    ]
                },
                "name": {
                    "fields": [
                        "campaign_name"
                    ]
                },
                "partner_id": {
                    "fields": [
                        "partner_id"
                    ]
                },
                "created_at": {
                    "fields": [
                        "campaign_created_at"
                    ],
                    "allow_type_conversions": true,
                    "type_conversion_prefix": "campaign_"
                }
            }
        },
        "zillion_test.campaign_cost": {
            "type": "metric",
            "create_fields": true,
            "prefix_with": "STRAIGHT_JOIN",
            "primary_key": [
                "campaign_id"
            ],
            "columns": {
                "campaign_id": {
                    "fields": [
                        "campaign_id"
                    ]
                },
                "cost": {
                    "fields": [
                        "cost",
                        {
                            "name": "benchmark",
                            "ds_formula": "benchmark(2000000, md5('when will it end?'))"
                        }
                    ]
                },
                "clicks": {
                    "fields": [
                        "clicks"
                    ]
                }
            }
        },
        "zillion_test2.campaign_transactions": {
            "type": "metric",
            "create_fields": true,
            "primary_key": [
                "transaction_id"
            ],
            "columns": {
                "id": {
                    "fields": [
                        "transaction_id",
                        {
                            "name": "transactions",
                            "ds_formula": "COUNT(DISTINCT campaign_transactions.id)"
                        }
                    ]
                },
                "campaign_id": {
                    "fields": [
                        "campaign_id"
                    ]
                }
            }
        }
    }
}