Package com.foundationdb.sql.optimizer.rule.cost

Examples of com.foundationdb.sql.optimizer.rule.cost.PlanCostEstimator.flatten()

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        Set<TableSource> requiredTables = index.getRequiredTables();

        estimator.indexScan(index);

        if (!index.isCovering()) {
            estimator.flatten(tables,
                              index.getLeafMostTable(), requiredTables);
        }

        Collection<ConditionExpression> unhandledConditions =
            new HashSet<>(requiredConditions);
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    public CostEstimate estimateCost(ExpressionsHKeyScan scan) {
        PlanCostEstimator estimator = newEstimator();
        Set<TableSource> requiredTables = scan.getRequiredTables();

        estimator.hKeyRow(scan);
        estimator.flatten(tables, scan.getTable(), requiredTables);

        Collection<ConditionExpression> unhandledConditions =
            new HashSet<>(requiredConditions);
        unhandledConditions.removeAll(scan.getConditions());
        if (!unhandledConditions.isEmpty()) {
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        Set<TableSource> requiredTables = requiredColumns.getTables();

        estimator.spatialIndex(index);

        if (!index.isCovering()) {
            estimator.flatten(tables, index.getLeafMostTable(), requiredTables);
        }

        Collection<ConditionExpression> unhandledConditions = new HashSet<>(requiredConditions);
        if (index.getConditions() != null)
            unhandledConditions.removeAll(index.getConditions());
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