Examples with PLUS io.trino.sql.tree.ArithmeticUnaryExpression.Sign.PLUS used on opensource projects

Example 1 with PLUS

use of io.trino.sql.tree.ArithmeticUnaryExpression.Sign.PLUS in project trino by trinodb.

the class TestPushProjectionThroughJoin method testPushesProjectionThroughJoin.

@Test
public void testPushesProjectionThroughJoin() {
    PlanNodeIdAllocator idAllocator = new PlanNodeIdAllocator();
    PlanBuilder p = new PlanBuilder(idAllocator, dummyMetadata(), TEST_SESSION);
    Symbol a0 = p.symbol("a0");
    Symbol a1 = p.symbol("a1");
    Symbol a2 = p.symbol("a2");
    Symbol a3 = p.symbol("a3");
    Symbol b0 = p.symbol("b0");
    Symbol b1 = p.symbol("b1");
    Symbol b2 = p.symbol("b2");
    ProjectNode planNode = p.project(Assignments.of(a3, new ArithmeticUnaryExpression(MINUS, a2.toSymbolReference()), b2, new ArithmeticUnaryExpression(PLUS, b1.toSymbolReference())), p.join(INNER, // intermediate non-identity projections should be fully inlined
    p.project(Assignments.of(a2, new ArithmeticUnaryExpression(PLUS, a0.toSymbolReference()), a1, a1.toSymbolReference()), p.project(Assignments.builder().putIdentity(a0).putIdentity(a1).build(), p.values(a0, a1))), p.values(b0, b1), new JoinNode.EquiJoinClause(a1, b1)));
    Session session = testSessionBuilder().build();
    Optional<PlanNode> rewritten = pushProjectionThroughJoin(PLANNER_CONTEXT, planNode, noLookup(), idAllocator, session, createTestingTypeAnalyzer(PLANNER_CONTEXT), p.getTypes());
    assertTrue(rewritten.isPresent());
    assertPlan(session, dummyMetadata(), createTestingFunctionManager(), node -> unknown(), new Plan(rewritten.get(), p.getTypes(), empty()), noLookup(), join(INNER, ImmutableList.of(aliases -> new JoinNode.EquiJoinClause(new Symbol("a1"), new Symbol("b1"))), strictProject(ImmutableMap.of("a3", expression("-(+a0)"), "a1", expression("a1")), strictProject(ImmutableMap.of("a0", expression("a0"), "a1", expression("a1")), PlanMatchPattern.values("a0", "a1"))), strictProject(ImmutableMap.of("b2", expression("+b1"), "b1", expression("b1")), PlanMatchPattern.values("b0", "b1"))).withExactOutputs("a3", "b2"));
}