Examples of org.voltdb.expressions.FunctionExpression

            AbstractExpression argExpr = parseExpressionTree(argNode);
            assert(argExpr != null);
            args.add(argExpr);
        }


        FunctionExpression expr = new FunctionExpression();
        expr.setAttributes(name, volt_alias, idArg);
        expr.setArgs(args);
        if (value_type != null) {
            expr.setValueType(value_type);
            expr.setValueSize(value_type.getMaxLengthInBytes());
        }


        if (parameter != null) {
            int parameter_idx = -1; // invalid argument index
            try {
                parameter_idx = Integer.parseInt(parameter);
            } catch (NumberFormatException nfe) {}
            assert(parameter_idx >= 0); // better be valid by now.
            assert(parameter_idx < args.size()); // must refer to a provided argument
            expr.setParameterArg(parameter_idx);
            expr.negotiateInitialValueTypes();
        }
        return expr;
    }


            if (isFunctionFormat) {
                String name = timeValue.split(":")[0];
                int id = Integer.parseInt(timeValue.split(":")[1]);


                FunctionExpression funcExpr = new FunctionExpression();
                funcExpr.setAttributes(name, name , id);


                funcExpr.setValueType(VoltType.TIMESTAMP);
                funcExpr.setValueSize(VoltType.TIMESTAMP.getMaxLengthInBytes());


                expr = funcExpr;
                isConstantValue = false;
            }
        }

Related Classes of org.voltdb.expressions.FunctionExpression

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