Examples with StatsProvider io.prestosql.cost.StatsProvider used on opensource projects

Example 1 with StatsProvider

use of io.prestosql.cost.StatsProvider in project hetu-core by openlookeng.

the class RuleAssert method ruleContext.

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

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

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

        @Override
        public PlanSymbolAllocator getSymbolAllocator() {
            return planSymbolAllocator;
        }

        @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 StatsProvider

use of io.prestosql.cost.StatsProvider in project hetu-core by openlookeng.

the class ValuesMatcher method detailMatches.

@Override
public MatchResult detailMatches(PlanNode node, StatsProvider stats, Session session, Metadata metadata, SymbolAliases symbolAliases) {
    checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
    ValuesNode valuesNode = (ValuesNode) node;
    if (!expectedRows.map(rows -> rows.equals(valuesNode.getRows().stream().map(rowExpressions -> rowExpressions.stream().map(rowExpression -> {
        if (isExpression(rowExpression)) {
            return castToExpression(rowExpression);
        }
        ConstantExpression expression = (ConstantExpression) rowExpression;
        if (expression.getType().getJavaType() == boolean.class) {
            return new BooleanLiteral(String.valueOf(expression.getValue()));
        }
        if (expression.getType().getJavaType() == long.class) {
            return new LongLiteral(String.valueOf(expression.getValue()));
        }
        if (expression.getType().getJavaType() == double.class) {
            return new DoubleLiteral(String.valueOf(expression.getValue()));
        }
        if (expression.getType().getJavaType() == Slice.class) {
            return new StringLiteral(String.valueOf(expression.getValue()));
        }
        return new GenericLiteral(expression.getType().toString(), String.valueOf(expression.getValue()));
    }).collect(toImmutableList())).collect(toImmutableList()))).orElse(true)) {
        return NO_MATCH;
    }
    return match(SymbolAliases.builder().putAll(Maps.transformValues(outputSymbolAliases, index -> toSymbolReference(valuesNode.getOutputSymbols().get(index)))).build());
}

Example 3 with StatsProvider

use of io.prestosql.cost.StatsProvider in project hetu-core by openlookeng.

the class JoinMatcher method detailMatches.

@Override
public MatchResult detailMatches(PlanNode node, StatsProvider stats, Session session, Metadata metadata, SymbolAliases symbolAliases) {
    checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
    JoinNode joinNode = (JoinNode) node;
    if (joinNode.getCriteria().size() != equiCriteria.size()) {
        return NO_MATCH;
    }
    if (filter.isPresent()) {
        if (!joinNode.getFilter().isPresent()) {
            return NO_MATCH;
        }
        RowExpression expression = joinNode.getFilter().get();
        if (isExpression(expression)) {
            if (!new ExpressionVerifier(symbolAliases).process(castToExpression(expression), filter.get())) {
                return NO_MATCH;
            }
        } else {
            if (!new RowExpressionVerifier(symbolAliases, metadata, session, node.getOutputSymbols()).process(filter.get(), expression)) {
                return NO_MATCH;
            }
        }
    } else {
        if (joinNode.getFilter().isPresent()) {
            return NO_MATCH;
        }
    }
    if (distributionType.isPresent() && !distributionType.equals(joinNode.getDistributionType())) {
        return NO_MATCH;
    }
    if (spillable.isPresent() && !spillable.equals(joinNode.isSpillable())) {
        return NO_MATCH;
    }
    /*
         * Have to use order-independent comparison; there are no guarantees what order
         * the equi criteria will have after planning and optimizing.
         */
    Set<JoinNode.EquiJoinClause> actual = ImmutableSet.copyOf(joinNode.getCriteria());
    Set<JoinNode.EquiJoinClause> expected = equiCriteria.stream().map(maker -> maker.getExpectedValue(symbolAliases)).collect(toImmutableSet());
    if (!expected.equals(actual)) {
        return NO_MATCH;
    }
    if (dynamicFilter.isPresent() && !dynamicFilter.get().match(joinNode, symbolAliases).isMatch()) {
        return NO_MATCH;
    }
    return MatchResult.match();
}

Example 4 with StatsProvider

use of io.prestosql.cost.StatsProvider in project hetu-core by openlookeng.

the class HetuLogicalPlanner method plan.

@Override
public Plan plan(Analysis analysis, boolean skipStatsWithPlan, Stage stage) {
    PlanNode root = planStatement(analysis, analysis.getStatement());
    PlanNode.SkipOptRuleLevel optimizationLevel = APPLY_ALL_RULES;
    planSanityChecker.validateIntermediatePlan(root, session, metadata, typeAnalyzer, planSymbolAllocator.getTypes(), warningCollector);
    if (stage.ordinal() >= Stage.OPTIMIZED.ordinal()) {
        for (PlanOptimizer optimizer : planOptimizers) {
            if (OptimizerUtils.isEnabledLegacy(optimizer, session, root)) {
                // We run it separately in the SqlQueryExecution
                if (optimizer instanceof BeginTableWrite) {
                    continue;
                }
                if (OptimizerUtils.canApplyOptimizer(optimizer, optimizationLevel)) {
                    root = optimizer.optimize(root, session, planSymbolAllocator.getTypes(), planSymbolAllocator, idAllocator, warningCollector);
                    requireNonNull(root, format("%s returned a null plan", optimizer.getClass().getName()));
                    optimizationLevel = optimizationLevel == APPLY_ALL_RULES ? root.getSkipOptRuleLevel() : optimizationLevel;
                }
            }
        }
    }
    if (stage.ordinal() >= Stage.OPTIMIZED_AND_VALIDATED.ordinal()) {
        // make sure we produce a valid plan after optimizations run. This is mainly to catch programming errors
        planSanityChecker.validateFinalPlan(root, session, metadata, typeAnalyzer, planSymbolAllocator.getTypes(), warningCollector);
    }
    TypeProvider types = planSymbolAllocator.getTypes();
    // we calculate stats here only if need to show as part of EXPLAIN, otherwise not needed.
    if (skipStatsWithPlan && isSkipAttachingStatsWithPlan(session)) {
        return new Plan(root, types, StatsAndCosts.empty());
    } else {
        StatsProvider statsProvider = new CachingStatsProvider(statsCalculator, session, types);
        CostProvider costProvider = new CachingCostProvider(costCalculator, statsProvider, Optional.empty(), session, types);
        return new Plan(root, types, StatsAndCosts.create(root, statsProvider, costProvider));
    }
}

Example 5 with StatsProvider

use of io.prestosql.cost.StatsProvider in project hetu-core by openlookeng.

the class WindowMatcher method detailMatches.

@Override
public MatchResult detailMatches(PlanNode node, StatsProvider stats, Session session, Metadata metadata, SymbolAliases symbolAliases) {
    checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
    WindowNode windowNode = (WindowNode) node;
    if (!prePartitionedInputs.map(expectedInputs -> expectedInputs.stream().map(alias -> alias.toSymbol(symbolAliases)).collect(toImmutableSet()).equals(windowNode.getPrePartitionedInputs())).orElse(true)) {
        return NO_MATCH;
    }
    if (!specification.map(expectedSpecification -> expectedSpecification.getExpectedValue(symbolAliases).equals(windowNode.getSpecification())).orElse(true)) {
        return NO_MATCH;
    }
    if (!preSortedOrderPrefix.map(Integer.valueOf(windowNode.getPreSortedOrderPrefix())::equals).orElse(true)) {
        return NO_MATCH;
    }
    if (!hashSymbol.map(expectedHashSymbol -> expectedHashSymbol.map(alias -> alias.toSymbol(symbolAliases)).equals(windowNode.getHashSymbol())).orElse(true)) {
        return NO_MATCH;
    }
    /*
         * Window functions produce a symbol (the result of the function call) that we might
         * want to bind to an alias so we can reference it further up the tree. As such,
         * they need to be matched with an Alias matcher so we can bind the symbol if desired.
         */
    return match();
}