Examples with CostComparator io.trino.cost.CostComparator used on opensource projects

Example 1 with CostComparator

use of io.trino.cost.CostComparator in project trino by trinodb.

the class TestDetermineJoinDistributionType method testFlipAndReplicateRightOuterJoin.

@Test
public void testFlipAndReplicateRightOuterJoin() {
    int aRows = 10;
    int bRows = 1_000_000;
    assertDetermineJoinDistributionType(new CostComparator(75, 10, 15)).setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).overrideStats("valuesA", PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addSymbolStatistics(ImmutableMap.of(new Symbol("A1"), new SymbolStatsEstimate(0, 100, 0, 640000, 100))).build()).overrideStats("valuesB", PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addSymbolStatistics(ImmutableMap.of(new Symbol("B1"), new SymbolStatsEstimate(0, 100, 0, 640000, 100))).build()).on(p -> p.join(RIGHT, p.values(new PlanNodeId("valuesA"), aRows, p.symbol("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.symbol("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.symbol("A1", BIGINT), p.symbol("B1", BIGINT))), ImmutableList.of(p.symbol("A1", BIGINT)), ImmutableList.of(p.symbol("B1", BIGINT)), Optional.empty())).matches(join(LEFT, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}

Example 2 with CostComparator

use of io.trino.cost.CostComparator in project trino by trinodb.

the class TestDetermineJoinDistributionType method testFlipAndReplicateRightOuterJoinWhenJoinCardinalityUnknown.

@Test
public void testFlipAndReplicateRightOuterJoinWhenJoinCardinalityUnknown() {
    int aRows = 10;
    int bRows = 1_000_000;
    assertDetermineJoinDistributionType(new CostComparator(75, 10, 15)).setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).overrideStats("valuesA", PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addSymbolStatistics(ImmutableMap.of(new Symbol("A1"), SymbolStatsEstimate.unknown())).build()).overrideStats("valuesB", PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addSymbolStatistics(ImmutableMap.of(new Symbol("B1"), SymbolStatsEstimate.unknown())).build()).on(p -> p.join(RIGHT, p.values(new PlanNodeId("valuesA"), aRows, p.symbol("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.symbol("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.symbol("A1", BIGINT), p.symbol("B1", BIGINT))), ImmutableList.of(p.symbol("A1", BIGINT)), ImmutableList.of(p.symbol("B1", BIGINT)), Optional.empty())).matches(join(LEFT, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}

Example 3 with CostComparator

use of io.trino.cost.CostComparator in project trino by trinodb.

the class TestJoinEnumerator method testDoesNotCreateJoinWhenPartitionedOnCrossJoin.

@Test
public void testDoesNotCreateJoinWhenPartitionedOnCrossJoin() {
    PlanNodeIdAllocator idAllocator = new PlanNodeIdAllocator();
    PlanBuilder p = new PlanBuilder(idAllocator, queryRunner.getMetadata(), queryRunner.getDefaultSession());
    Symbol a1 = p.symbol("A1");
    Symbol b1 = p.symbol("B1");
    MultiJoinNode multiJoinNode = new MultiJoinNode(new LinkedHashSet<>(ImmutableList.of(p.values(a1), p.values(b1))), TRUE_LITERAL, ImmutableList.of(a1, b1), false);
    JoinEnumerator joinEnumerator = new JoinEnumerator(queryRunner.getMetadata(), new CostComparator(1, 1, 1), multiJoinNode.getFilter(), createContext());
    JoinEnumerationResult actual = joinEnumerator.createJoinAccordingToPartitioning(multiJoinNode.getSources(), multiJoinNode.getOutputSymbols(), ImmutableSet.of(0));
    assertFalse(actual.getPlanNode().isPresent());
    assertEquals(actual.getCost(), PlanCostEstimate.infinite());
}

Example 4 with CostComparator

use of io.trino.cost.CostComparator in project trino by trinodb.

the class TestDetermineJoinDistributionType method testReplicateLeftOuterJoin.

@Test
public void testReplicateLeftOuterJoin() {
    int aRows = 10_000;
    int bRows = 10;
    assertDetermineJoinDistributionType(new CostComparator(75, 10, 15)).setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).overrideStats("valuesA", PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addSymbolStatistics(ImmutableMap.of(new Symbol("A1"), new SymbolStatsEstimate(0, 100, 0, 640000, 100))).build()).overrideStats("valuesB", PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addSymbolStatistics(ImmutableMap.of(new Symbol("B1"), new SymbolStatsEstimate(0, 100, 0, 640000, 100))).build()).on(p -> p.join(LEFT, p.values(new PlanNodeId("valuesA"), aRows, p.symbol("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.symbol("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.symbol("A1", BIGINT), p.symbol("B1", BIGINT))), ImmutableList.of(p.symbol("A1", BIGINT)), ImmutableList.of(p.symbol("B1", BIGINT)), Optional.empty())).matches(join(LEFT, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}