case EVAL:
final String exprStr = (String)this.getExprArg(0).getValue(conn, object);
final MappingContext mappingContext = this.getExpressionContext().getMappingContext();
final ExpressionTree expressionTree = ParserUtil.parseWhereExpression(exprStr, mappingContext);
return expressionTree.evaluate(conn, object);
case MAPPINGEXISTS:
if (conn == null) {
return false;
}