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

Example 11 with VariableStatsEstimate

use of com.facebook.presto.cost.VariableStatsEstimate in project urban-eureka by errir503.

the class TestPushPartialAggregationThroughExchange method testNoPartialAggregationWhenReductionBelowThreshold.

@Test
public void testNoPartialAggregationWhenReductionBelowThreshold() {
    tester().assertThat(new PushPartialAggregationThroughExchange(getFunctionManager())).setSystemProperty(PARTIAL_AGGREGATION_STRATEGY, "AUTOMATIC").on(p -> {
        VariableReferenceExpression a = p.variable("a", DOUBLE);
        VariableReferenceExpression b = p.variable("b", DOUBLE);
        return p.aggregation(ab -> ab.source(p.exchange(e -> e.addSource(p.values(new PlanNodeId("values"), a, b)).addInputsSet(a, b).singleDistributionPartitioningScheme(a, b))).addAggregation(p.variable("SUM", DOUBLE), expression("SUM(a)"), ImmutableList.of(DOUBLE)).singleGroupingSet(b).step(SINGLE));
    }).overrideStats("values", PlanNodeStatsEstimate.builder().setOutputRowCount(1000).addVariableStatistics(variable("b", DOUBLE), new VariableStatsEstimate(0, 100, 0, 8, 800)).setConfident(true).build()).doesNotFire();
}

Example 12 with VariableStatsEstimate

use of com.facebook.presto.cost.VariableStatsEstimate in project urban-eureka by errir503.

the class TestDetermineJoinDistributionType method testReplicatesWhenNotRestricted.

@Test
public void testReplicatesWhenNotRestricted() {
    int aRows = 10_000;
    int bRows = 10;
    PlanNodeStatsEstimate probeSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 10))).build();
    PlanNodeStatsEstimate buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 10))).build();
    // B table is small enough to be replicated in AUTOMATIC_RESTRICTED mode
    assertDetermineJoinDistributionType().setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).setSystemProperty(JOIN_MAX_BROADCAST_TABLE_SIZE, "100MB").overrideStats("valuesA", probeSideStatsEstimate).overrideStats("valuesB", buildSideStatsEstimate).on(p -> p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.variable("A1", BIGINT), p.variable("B1", BIGINT))), ImmutableList.of(p.variable("A1", BIGINT), p.variable("B1", BIGINT)), Optional.empty())).matches(join(INNER, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
    probeSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000d * 10000, 10))).build();
    buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000d * 10000, 10))).build();
    // B table exceeds AUTOMATIC_RESTRICTED limit therefore it is partitioned
    assertDetermineJoinDistributionType().setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).setSystemProperty(JOIN_MAX_BROADCAST_TABLE_SIZE, "100MB").overrideStats("valuesA", probeSideStatsEstimate).overrideStats("valuesB", buildSideStatsEstimate).on(p -> p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.variable("A1", BIGINT), p.variable("B1", BIGINT))), ImmutableList.of(p.variable("A1", BIGINT), p.variable("B1", BIGINT)), Optional.empty())).matches(join(INNER, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(PARTITIONED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}

Example 13 with VariableStatsEstimate

use of com.facebook.presto.cost.VariableStatsEstimate in project urban-eureka by errir503.

the class TestDetermineJoinDistributionType method testPartitionWhenBothTablesEqual.

@Test
public void testPartitionWhenBothTablesEqual() {
    int aRows = 10_000;
    int bRows = 10_000;
    assertDetermineJoinDistributionType().setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).overrideStats("valuesA", PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 100))).build()).overrideStats("valuesB", PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 100))).build()).on(p -> p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.variable("A1", BIGINT), p.variable("B1", BIGINT))), ImmutableList.of(p.variable("A1", BIGINT), p.variable("B1", BIGINT)), Optional.empty())).matches(join(INNER, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(PARTITIONED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}

Example 14 with VariableStatsEstimate

use of com.facebook.presto.cost.VariableStatsEstimate in project urban-eureka by errir503.

the class TestDetermineJoinDistributionType method testFlipAndReplicateWhenOneTableMuchSmaller.

@Test
public void testFlipAndReplicateWhenOneTableMuchSmaller() {
    int aRows = 100;
    int bRows = 10_000;
    assertDetermineJoinDistributionType().setSystemProperty(JOIN_DISTRIBUTION_TYPE, JoinDistributionType.AUTOMATIC.name()).overrideStats("valuesA", PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 6400, 100))).build()).overrideStats("valuesB", PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 100))).build()).on(p -> p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.variable("A1", BIGINT), p.variable("B1", BIGINT))), ImmutableList.of(p.variable("A1", BIGINT), p.variable("B1", BIGINT)), Optional.empty())).matches(join(INNER, ImmutableList.of(equiJoinClause("B1", "A1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("B1", 0)), values(ImmutableMap.of("A1", 0))));
}

Example 15 with VariableStatsEstimate

use of com.facebook.presto.cost.VariableStatsEstimate in project urban-eureka by errir503.

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).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 100))).build()).overrideStats("valuesB", PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(new VariableReferenceExpression(Optional.empty(), "B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 100))).build()).on(p -> p.join(RIGHT, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1", BIGINT)), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1", BIGINT)), ImmutableList.of(new JoinNode.EquiJoinClause(p.variable("A1", BIGINT), p.variable("B1", BIGINT))), ImmutableList.of(p.variable("A1", BIGINT), p.variable("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))));
}