Examples with CostProvider com.facebook.presto.cost.CostProvider used on opensource projects

Example 1 with CostProvider

use of com.facebook.presto.cost.CostProvider in project presto by prestodb.

the class RuleAssert method ruleContext.

private Rule.Context ruleContext(StatsCalculator statsCalculator, CostCalculator costCalculator, PlanVariableAllocator variableAllocator, Memo memo, Lookup lookup, Session session) {
    StatsProvider statsProvider = new CachingStatsProvider(statsCalculator, Optional.of(memo), lookup, session, variableAllocator.getTypes());
    CostProvider costProvider = new CachingCostProvider(costCalculator, statsProvider, Optional.of(memo), session);
    return new Rule.Context() {

        @Override
        public Lookup getLookup() {
            return lookup;
        }

        @Override
        public PlanNodeIdAllocator getIdAllocator() {
            return idAllocator;
        }

        @Override
        public PlanVariableAllocator getVariableAllocator() {
            return variableAllocator;
        }

        @Override
        public Session getSession() {
            return session;
        }

        @Override
        public StatsProvider getStatsProvider() {
            return statsProvider;
        }

        @Override
        public CostProvider getCostProvider() {
            return costProvider;
        }

        @Override
        public void checkTimeoutNotExhausted() {
        }

        @Override
        public WarningCollector getWarningCollector() {
            return WarningCollector.NOOP;
        }
    };
}

Example 2 with CostProvider

use of com.facebook.presto.cost.CostProvider in project presto by prestodb.

the class IterativeOptimizer method ruleContext.

private Rule.Context ruleContext(Context context) {
    StatsProvider statsProvider = new CachingStatsProvider(statsCalculator, Optional.of(context.memo), context.lookup, context.session, context.variableAllocator.getTypes());
    CostProvider costProvider = new CachingCostProvider(costCalculator, statsProvider, Optional.of(context.memo), context.session);
    return new Rule.Context() {

        @Override
        public Lookup getLookup() {
            return context.lookup;
        }

        @Override
        public PlanNodeIdAllocator getIdAllocator() {
            return context.idAllocator;
        }

        @Override
        public PlanVariableAllocator getVariableAllocator() {
            return context.variableAllocator;
        }

        @Override
        public Session getSession() {
            return context.session;
        }

        @Override
        public StatsProvider getStatsProvider() {
            return statsProvider;
        }

        @Override
        public CostProvider getCostProvider() {
            return costProvider;
        }

        @Override
        public void checkTimeoutNotExhausted() {
            context.checkTimeoutNotExhausted();
        }

        @Override
        public WarningCollector getWarningCollector() {
            return context.warningCollector;
        }
    };
}

Example 3 with CostProvider

use of com.facebook.presto.cost.CostProvider in project presto by prestodb.

the class LogicalPlanner method computeStats.

private StatsAndCosts computeStats(PlanNode root, TypeProvider types) {
    if (explain || isPrintStatsForNonJoinQuery(session) || PlanNodeSearcher.searchFrom(root).where(node -> (node instanceof JoinNode) || (node instanceof SemiJoinNode)).matches()) {
        StatsProvider statsProvider = new CachingStatsProvider(statsCalculator, session, types);
        CostProvider costProvider = new CachingCostProvider(costCalculator, statsProvider, Optional.empty(), session);
        return StatsAndCosts.create(root, statsProvider, costProvider);
    }
    return StatsAndCosts.empty();
}

Example 4 with CostProvider

use of com.facebook.presto.cost.CostProvider in project presto by prestodb.

the class RuleAssert method formatPlan.

private String formatPlan(PlanNode plan, TypeProvider types) {
    StatsProvider statsProvider = new CachingStatsProvider(statsCalculator, session, types);
    CostProvider costProvider = new CachingCostProvider(costCalculator, statsProvider, session);
    return inTransaction(session -> textLogicalPlan(translateExpressions(plan, types), types, metadata.getFunctionAndTypeManager(), StatsAndCosts.create(plan, statsProvider, costProvider), session, 2, false));
}