Examples with JoinEnumerator io.prestosql.sql.planner.iterative.rule.ReorderJoins.JoinEnumerator used on opensource projects

Example 1 with JoinEnumerator

use of io.prestosql.sql.planner.iterative.rule.ReorderJoins.JoinEnumerator in project hetu-core by openlookeng.

the class TestJoinEnumerator method testDoesNotCreateJoinWhenPartitionedOnCrossJoin.

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