Code:           "UnsupportedFunction",
		Description:    "Encountered an unsupported SQL function.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidDataSource: {
		Code:           "InvalidDataSource",
		Description:    "Invalid data source type. Only CSV and JSON are supported at this time.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidExpressionType: {