use of com.facebook.presto.SystemSessionProperties.JOIN_MAX_BROADCAST_TABLE_SIZE in project presto by prestodb.
the class TestReorderJoins method testReplicatesWhenNotRestricted.
@Test
public void testReplicatesWhenNotRestricted() {
int aRows = 10_000;
int bRows = 10;
PlanNodeStatsEstimate probeSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addVariableStatistics(ImmutableMap.of(variable("A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 10))).build();
PlanNodeStatsEstimate buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(variable("B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000, 10))).build();
// B table is small enough to be replicated in AUTOMATIC_RESTRICTED mode
assertReorderJoins().setSystemProperty(JOIN_DISTRIBUTION_TYPE, AUTOMATIC.name()).setSystemProperty(JOIN_MAX_BROADCAST_TABLE_SIZE, "100MB").on(p -> p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1")), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1")), ImmutableList.of(new EquiJoinClause(p.variable("A1"), p.variable("B1"))), ImmutableList.of(p.variable("A1"), p.variable("B1")), Optional.empty())).overrideStats("valuesA", probeSideStatsEstimate).overrideStats("valuesB", buildSideStatsEstimate).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(variable("A1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000d * 10000, 10))).build();
buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(variable("B1", BIGINT), new VariableStatsEstimate(0, 100, 0, 640000d * 10000, 10))).build();
// B table exceeds AUTOMATIC_RESTRICTED limit therefore it is partitioned
assertReorderJoins().setSystemProperty(JOIN_DISTRIBUTION_TYPE, AUTOMATIC.name()).setSystemProperty(JOIN_MAX_BROADCAST_TABLE_SIZE, "100MB").on(p -> p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, p.variable("A1")), p.values(new PlanNodeId("valuesB"), bRows, p.variable("B1")), ImmutableList.of(new EquiJoinClause(p.variable("A1"), p.variable("B1"))), ImmutableList.of(p.variable("A1"), p.variable("B1")), Optional.empty())).overrideStats("valuesA", probeSideStatsEstimate).overrideStats("valuesB", buildSideStatsEstimate).matches(join(INNER, ImmutableList.of(equiJoinClause("A1", "B1")), Optional.empty(), Optional.of(PARTITIONED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}
use of com.facebook.presto.SystemSessionProperties.JOIN_MAX_BROADCAST_TABLE_SIZE in project presto by prestodb.
the class TestReorderJoins method testReorderAndReplicate.
@Test
public void testReorderAndReplicate() {
int aRows = 10;
int bRows = 10_000;
PlanNodeStatsEstimate probeSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addVariableStatistics(ImmutableMap.of(variable("A1", VARCHAR), new VariableStatsEstimate(0, 100, 0, 640000, 10))).build();
PlanNodeStatsEstimate buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addVariableStatistics(ImmutableMap.of(variable("B1", VARCHAR), new VariableStatsEstimate(0, 100, 0, 640000, 10))).build();
// A table is small enough to be replicated in AUTOMATIC_RESTRICTED mode
assertReorderJoins().setSystemProperty(JOIN_DISTRIBUTION_TYPE, AUTOMATIC.name()).setSystemProperty(JOIN_REORDERING_STRATEGY, AUTOMATIC.name()).setSystemProperty(JOIN_MAX_BROADCAST_TABLE_SIZE, "10MB").on(p -> {
VariableReferenceExpression a1 = p.variable("A1", VARCHAR);
VariableReferenceExpression b1 = p.variable("B1", VARCHAR);
return p.join(INNER, p.values(new PlanNodeId("valuesA"), aRows, a1), p.values(new PlanNodeId("valuesB"), bRows, b1), ImmutableList.of(new EquiJoinClause(a1, b1)), ImmutableList.of(a1, b1), Optional.empty());
}).overrideStats("valuesA", probeSideStatsEstimate).overrideStats("valuesB", buildSideStatsEstimate).matches(join(INNER, ImmutableList.of(equiJoinClause("B1", "A1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("B1", 0)), values(ImmutableMap.of("A1", 0))));
}
Aggregations