SQLColumnInfo[] ids = _engine.getColumnInfoForIdentities();
QueryExpression query = _factory.getQueryExpression();
// initalize lookup query
for (int i = 0; i < ids.length; i++) {
query.addParameter(_mapTo, ids[i].getName(), QueryExpression.OP_EQUALS);
}
_statement = query.getStatement(true);
} catch (QueryException except) {
LOG.warn("Problem building SQL", except);
throw new MappingException(except);