Package com.foundationdb.sql.optimizer.plan

Examples of com.foundationdb.sql.optimizer.plan.LogicalFunctionCondition

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        if (node instanceof ComparisonCondition) {
            ComparisonCondition comparisonCondition = (ComparisonCondition) node;
            return comparisonToRange(comparisonCondition);
        }
        else if (node instanceof LogicalFunctionCondition) {
            LogicalFunctionCondition condition = (LogicalFunctionCondition) node;
            if (condition.getOperands().size() != 2)
                return null;
            ColumnRanges leftRange = rangeAtNode(condition.getLeft());
            ColumnRanges rightRange = rangeAtNode(condition.getRight());
            if (leftRange != null && rightRange != null) {
                List<RangeSegment> combinedSegments = combineBool(leftRange, rightRange, condition.getFunction());
                if (combinedSegments != null) {
                    return new ColumnRanges(leftRange.getColumnExpression(), condition, combinedSegments);
                }
            }
        }
        else if (node instanceof FunctionCondition) {
            FunctionCondition condition = (FunctionCondition) node;
            if ("isNull".equals(condition.getFunction())) {
                if (condition.getOperands().size() == 1) {
                    ExpressionNode operand = condition.getOperands().get(0);
                    if (operand instanceof ColumnExpression) {
                        ColumnExpression operandColumn = (ColumnExpression) operand;
                        return new ColumnRanges(operandColumn, condition,
                                Collections.singletonList(RangeSegment.onlyNull(operandColumn)));
                    }
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    public static ConditionExpression isNull(ColumnExpression column) {
        return new FunctionCondition("isNull", Collections.<ExpressionNode>singletonList(column), null, null, null);
    }

    public static ConditionExpression or(ConditionExpression left, ConditionExpression right) {
        return new LogicalFunctionCondition("or", Arrays.asList(left, right), null, null, null);
    }
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    public static ConditionExpression or(ConditionExpression left, ConditionExpression right) {
        return new LogicalFunctionCondition("or", Arrays.asList(left, right), null, null, null);
    }

    public static ConditionExpression and(ConditionExpression left, ConditionExpression right) {
        return new LogicalFunctionCondition("and", Arrays.asList(left, right), null, null, null);
    }
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    public static ConditionExpression and(ConditionExpression left, ConditionExpression right) {
        return new LogicalFunctionCondition("and", Arrays.asList(left, right), null, null, null);
    }

    public static ConditionExpression not(ConditionExpression expression) {
        return new LogicalFunctionCondition("not", Arrays.asList(expression), null, null, null);
    }
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Related Classes of com.foundationdb.sql.optimizer.plan.LogicalFunctionCondition

  • com.foundationdb.sql.optimizer.rule.range.ColumnRanges
  • com.foundationdb.sql.optimizer.rule.range.TUtils
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