private Connection getConnection(Dbms dbms) {
        return connectionPoolComponent.getConnection(dbms);
    }
Queries the database for a list of ENUM constants belonging to the specified table and
column.

@param dbms           the dbms
@param table          the table
@param columnName     the column name
@return               list of enum constants.
@throws SQLException  if an error occured
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/abstracts/AbstractDbmsMetadataHandler.java