const queryAddress = (type: string): string => ` LEFT JOIN ( SELECT address_field.address_id, address_field.message_id FROM address_field INNER JOIN field_name ON field_name.field_id = address_field.field_id WHERE field_name.field_name = '${type}' ) `; export const queryFromId = queryAddress("from"); export const queryToId = queryAddress("to"); export const queryCcId = queryAddress("cc");