Examples with PageProcessor io.prestosql.operator.project.PageProcessor used on opensource projects

Example 26 with PageProcessor

use of io.prestosql.operator.project.PageProcessor in project hetu-core by openlookeng.

the class TestFilterAndProjectOperator method testMergeOutput.

@Test
public void testMergeOutput() {
    List<Page> input = rowPagesBuilder(VARCHAR, BIGINT).addSequencePage(100, 0, 0).addSequencePage(100, 0, 0).addSequencePage(100, 0, 0).addSequencePage(100, 0, 0).build();
    RowExpression filter = call(EQUAL.getFunctionName().toString(), new BuiltInFunctionHandle(Signature.internalOperator(EQUAL, BOOLEAN.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature(), BIGINT.getTypeSignature()))), BOOLEAN, field(1, BIGINT), constant(10L, BIGINT));
    Metadata metadata = createTestMetadataManager();
    ExpressionCompiler compiler = new ExpressionCompiler(metadata, new PageFunctionCompiler(metadata, 0));
    Supplier<PageProcessor> processor = compiler.compilePageProcessor(Optional.of(filter), ImmutableList.of(field(1, BIGINT)));
    OperatorFactory operatorFactory = new FilterAndProjectOperator.FilterAndProjectOperatorFactory(0, new PlanNodeId("test"), processor, ImmutableList.of(BIGINT), new DataSize(64, KILOBYTE), 2);
    List<Page> expected = rowPagesBuilder(BIGINT).row(10L).row(10L).row(10L).row(10L).build();
    assertOperatorEquals(operatorFactory, ImmutableList.of(BIGINT), driverContext, input, expected);
}