Examples with Symbol io.prestosql.spi.plan.Symbol used on opensource projects

Example 6 with Symbol

use of io.prestosql.spi.plan.Symbol in project hetu-core by openlookeng.

the class TestReorderJoins method testReplicatesWhenNotRestricted.

@Test
public void testReplicatesWhenNotRestricted() {
    // variable width so that average row size is respected
    Type symbolType = createUnboundedVarcharType();
    int aRows = 10_000;
    int bRows = 10;
    PlanNodeStatsEstimate probeSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addSymbolStatistics(ImmutableMap.of(new Symbol("A1"), new SymbolStatsEstimate(0, 100, 0, 640000, 10))).build();
    PlanNodeStatsEstimate buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addSymbolStatistics(ImmutableMap.of(new Symbol("B1"), new SymbolStatsEstimate(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 -> {
        Symbol a1 = p.symbol("A1", symbolType);
        Symbol b1 = p.symbol("B1", symbolType);
        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("A1", "B1")), Optional.empty(), Optional.of(REPLICATED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
    probeSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(aRows).addSymbolStatistics(ImmutableMap.of(new Symbol("A1"), new SymbolStatsEstimate(0, 100, 0, 640000d * 10000, 10))).build();
    buildSideStatsEstimate = PlanNodeStatsEstimate.builder().setOutputRowCount(bRows).addSymbolStatistics(ImmutableMap.of(new Symbol("B1"), new SymbolStatsEstimate(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 -> {
        Symbol a1 = p.symbol("A1", symbolType);
        Symbol b1 = p.symbol("B1", symbolType);
        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("A1", "B1")), Optional.empty(), Optional.of(PARTITIONED), values(ImmutableMap.of("A1", 0)), values(ImmutableMap.of("B1", 0))));
}

Example 7 with Symbol

use of io.prestosql.spi.plan.Symbol in project hetu-core by openlookeng.

the class TestTransformUncorrelatedLateralToJoin method testDoesNotFire.

@Test
public void testDoesNotFire() {
    Symbol symbol = new Symbol("x");
    tester().assertThat(new TransformUncorrelatedLateralToJoin()).on(p -> p.lateral(ImmutableList.of(symbol), p.values(symbol), p.values())).doesNotFire();
}

Example 8 with Symbol

use of io.prestosql.spi.plan.Symbol in project hetu-core by openlookeng.

the class TestCardinalityExtractorPlanVisitor method testAggregation.

@Test
public void testAggregation() {
    PlanBuilder planBuilder = new PlanBuilder(new PlanNodeIdAllocator(), dummyMetadata());
    Symbol symbol = planBuilder.symbol("symbol");
    ColumnHandle columnHandle = new TestingColumnHandle("column");
    // single default aggregation
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.singleGroupingSet().source(planBuilder.values(10)))), Range.singleton(1L));
    // multiple grouping sets with default aggregation with source that produces arbitrary number of rows
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.groupingSets(AggregationNode.groupingSets(ImmutableList.of(symbol), 2, ImmutableSet.of(0))).source(planBuilder.tableScan(ImmutableList.of(symbol), ImmutableMap.of(symbol, columnHandle))))), Range.atLeast(1L));
    // multiple grouping sets with default aggregation with source that produces exact number of rows
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.groupingSets(AggregationNode.groupingSets(ImmutableList.of(symbol), 2, ImmutableSet.of(0))).source(planBuilder.values(10, symbol)))), Range.closed(1L, 10L));
    // multiple grouping sets with default aggregation with source that produces no rows
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.groupingSets(AggregationNode.groupingSets(ImmutableList.of(symbol), 2, ImmutableSet.of(0))).source(planBuilder.values(0, symbol)))), Range.singleton(1L));
    // single non-default aggregation with source that produces arbitrary number of rows
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.singleGroupingSet(symbol).source(planBuilder.tableScan(ImmutableList.of(symbol), ImmutableMap.of(symbol, columnHandle))))), Range.atLeast(0L));
    // single non-default aggregation with source that produces at least single row
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.singleGroupingSet(symbol).source(planBuilder.values(10, symbol)))), Range.closed(1L, 10L));
    // single non-default aggregation with source that produces no rows
    assertEquals(extractCardinality(planBuilder.aggregation(builder -> builder.singleGroupingSet(symbol).source(planBuilder.values(0, symbol)))), Range.singleton(0L));
}

Example 9 with Symbol

use of io.prestosql.spi.plan.Symbol in project hetu-core by openlookeng.

the class TestExpressionEquivalence method assertNotEquivalent.

private static void assertNotEquivalent(@Language("SQL") String left, @Language("SQL") String right) {
    ParsingOptions parsingOptions = new ParsingOptions(AS_DOUBLE);
    Expression leftExpression = rewriteIdentifiersToSymbolReferences(SQL_PARSER.createExpression(left, parsingOptions));
    Expression rightExpression = rewriteIdentifiersToSymbolReferences(SQL_PARSER.createExpression(right, parsingOptions));
    Set<Symbol> symbols = extractUnique(ImmutableList.of(leftExpression, rightExpression));
    TypeProvider types = TypeProvider.copyOf(symbols.stream().collect(toMap(identity(), TestExpressionEquivalence::generateType)));
    assertFalse(EQUIVALENCE.areExpressionsEquivalent(TEST_SESSION, leftExpression, rightExpression, types), format("Expected (%s) and (%s) to not be equivalent", left, right));
    assertFalse(EQUIVALENCE.areExpressionsEquivalent(TEST_SESSION, rightExpression, leftExpression, types), format("Expected (%s) and (%s) to not be equivalent", right, left));
}

Example 10 with Symbol

use of io.prestosql.spi.plan.Symbol in project hetu-core by openlookeng.

the class TestVerifyOnlyOneOutputNode method testValidateFailed.

@Test(expectedExceptions = IllegalStateException.class)
public void testValidateFailed() {
    // random plan with 2 output nodes
    PlanNode root = new OutputNode(idAllocator.getNextId(), new ExplainAnalyzeNode(idAllocator.getNextId(), new OutputNode(idAllocator.getNextId(), new ProjectNode(idAllocator.getNextId(), new ValuesNode(idAllocator.getNextId(), ImmutableList.of(), ImmutableList.of()), Assignments.of()), ImmutableList.of(), ImmutableList.of()), new Symbol("a"), false), ImmutableList.of(), ImmutableList.of());
    new VerifyOnlyOneOutputNode().validate(root, null, null, null, null, WarningCollector.NOOP);
}