use of io.prestosql.sql.gen.ExpressionCompiler in project hetu-core by openlookeng.
the class TestScanFilterAndProjectOperator method testRecordCursorYield.
@Test
public void testRecordCursorYield() {
// create a generic long function that yields for projection on every row
// verify we will yield #row times totally
// create a table with 15 rows
int length = 15;
Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(BIGINT), length, 0);
DriverContext driverContext = newDriverContext();
// set up generic long function with a callback to force yield
Metadata localMetadata = functionAssertions.getMetadata();
localMetadata.getFunctionAndTypeManager().registerBuiltInFunctions(ImmutableList.of(new GenericLongFunction("record_cursor", value -> {
driverContext.getYieldSignal().forceYieldForTesting();
return value;
})));
ExpressionCompiler compiler = new ExpressionCompiler(localMetadata, new PageFunctionCompiler(localMetadata, 0));
List<RowExpression> projections = ImmutableList.of(call(QualifiedObjectName.valueOfDefaultFunction("generic_long_record_cursor").toString(), new BuiltInFunctionHandle(internalScalarFunction(QualifiedObjectName.valueOfDefaultFunction("generic_long_record_cursor"), BIGINT.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature()))), BIGINT, field(0, BIGINT)));
Supplier<CursorProcessor> cursorProcessor = compiler.compileCursorProcessor(Optional.empty(), projections, "key");
Supplier<PageProcessor> pageProcessor = compiler.compilePageProcessor(Optional.empty(), projections);
ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns, dynamicFilter) -> new RecordPageSource(new PageRecordSet(ImmutableList.of(BIGINT), input)), cursorProcessor, pageProcessor, TEST_TABLE_HANDLE, ImmutableList.of(), null, ImmutableList.of(BIGINT), new DataSize(0, BYTE), 0, ReuseExchangeOperator.STRATEGY.REUSE_STRATEGY_DEFAULT, new UUID(0, 0), false, Optional.empty(), 0, 0);
SourceOperator operator = factory.createOperator(driverContext);
operator.addSplit(new Split(new CatalogName("test"), TestingSplit.createLocalSplit(), Lifespan.taskWide()));
operator.noMoreSplits();
// start driver; get null value due to yield for the first 15 times
for (int i = 0; i < length; i++) {
driverContext.getYieldSignal().setWithDelay(SECONDS.toNanos(1000), driverContext.getYieldExecutor());
assertNull(operator.getOutput());
driverContext.getYieldSignal().reset();
}
// the 16th yield is not going to prevent the operator from producing a page
driverContext.getYieldSignal().setWithDelay(SECONDS.toNanos(1000), driverContext.getYieldExecutor());
Page output = operator.getOutput();
driverContext.getYieldSignal().reset();
assertNotNull(output);
assertEquals(toValues(BIGINT, output.getBlock(0)), toValues(BIGINT, input.getBlock(0)));
}
use of io.prestosql.sql.gen.ExpressionCompiler in project hetu-core by openlookeng.
the class BenchmarkEqualsOperator method setup.
@Setup
public void setup() {
Metadata metadata = createTestMetadataManager();
ExpressionCompiler expressionCompiler = new ExpressionCompiler(metadata, new PageFunctionCompiler(metadata, 0));
RowExpression projection = generateComplexComparisonProjection(FIELDS_COUNT, COMPARISONS_COUNT);
compiledProcessor = expressionCompiler.compilePageProcessor(Optional.empty(), ImmutableList.of(projection)).get();
}
use of io.prestosql.sql.gen.ExpressionCompiler in project hetu-core by openlookeng.
the class TaskTestUtils method createTestingPlanner.
public static LocalExecutionPlanner createTestingPlanner() {
Metadata metadata = createTestMetadataManager();
PageSourceManager pageSourceManager = new PageSourceManager();
HetuMetaStoreManager hetuMetaStoreManager = new HetuMetaStoreManager();
FeaturesConfig featuresConfig = new FeaturesConfig();
CubeManager cubeManager = new CubeManager(featuresConfig, hetuMetaStoreManager);
pageSourceManager.addConnectorPageSourceProvider(CONNECTOR_ID, new TestingPageSourceProvider());
// we don't start the finalizer so nothing will be collected, which is ok for a test
FinalizerService finalizerService = new FinalizerService();
NodeScheduler nodeScheduler = new NodeScheduler(new LegacyNetworkTopology(), new InMemoryNodeManager(), new NodeSchedulerConfig().setIncludeCoordinator(true), new NodeTaskMap(finalizerService));
NodePartitioningManager nodePartitioningManager = new NodePartitioningManager(nodeScheduler);
PageFunctionCompiler pageFunctionCompiler = new PageFunctionCompiler(metadata, 0);
NodeInfo nodeInfo = new NodeInfo("test");
FileSystemClientManager fileSystemClientManager = new FileSystemClientManager();
SeedStoreManager seedStoreManager = new SeedStoreManager(fileSystemClientManager);
StateStoreProvider stateStoreProvider = new LocalStateStoreProvider(seedStoreManager);
HeuristicIndexerManager heuristicIndexerManager = new HeuristicIndexerManager(new FileSystemClientManager(), new HetuMetaStoreManager());
return new LocalExecutionPlanner(metadata, new TypeAnalyzer(new SqlParser(), metadata), Optional.empty(), pageSourceManager, new IndexManager(), nodePartitioningManager, new PageSinkManager(), new MockExchangeClientSupplier(), new ExpressionCompiler(metadata, pageFunctionCompiler), pageFunctionCompiler, new JoinFilterFunctionCompiler(metadata), new IndexJoinLookupStats(), new TaskManagerConfig(), new GenericSpillerFactory((types, spillContext, memoryContext) -> {
throw new UnsupportedOperationException();
}), (types, spillContext, memoryContext) -> {
throw new UnsupportedOperationException();
}, (types, partitionFunction, spillContext, memoryContext) -> {
throw new UnsupportedOperationException();
}, new PagesIndex.TestingFactory(false), new JoinCompiler(metadata), new LookupJoinOperators(), new OrderingCompiler(), nodeInfo, stateStoreProvider, new StateStoreListenerManager(stateStoreProvider), new DynamicFilterCacheManager(), heuristicIndexerManager, cubeManager);
}
use of io.prestosql.sql.gen.ExpressionCompiler in project hetu-core by openlookeng.
the class TestScanFilterAndProjectOperator method testPageYield.
@Test
public void testPageYield() {
int totalRows = 1000;
Page input = SequencePageBuilder.createSequencePage(ImmutableList.of(BIGINT), totalRows, 1);
DriverContext driverContext = newDriverContext();
// 20 columns; each column is associated with a function that will force yield per projection
int totalColumns = 20;
ImmutableList.Builder<SqlScalarFunction> functions = ImmutableList.builder();
for (int i = 0; i < totalColumns; i++) {
functions.add(new GenericLongFunction("page_col" + i, value -> {
driverContext.getYieldSignal().forceYieldForTesting();
return value;
}));
}
Metadata localMetadata = functionAssertions.getMetadata();
localMetadata.getFunctionAndTypeManager().registerBuiltInFunctions(functions.build());
// match each column with a projection
ExpressionCompiler compiler = new ExpressionCompiler(localMetadata, new PageFunctionCompiler(localMetadata, 0));
ImmutableList.Builder<RowExpression> projections = ImmutableList.builder();
for (int i = 0; i < totalColumns; i++) {
projections.add(call(QualifiedObjectName.valueOfDefaultFunction("generic_long_page_col" + i).toString(), new BuiltInFunctionHandle(internalScalarFunction(QualifiedObjectName.valueOfDefaultFunction("generic_long_page_col" + i), BIGINT.getTypeSignature(), ImmutableList.of(BIGINT.getTypeSignature()))), BIGINT, field(0, BIGINT)));
}
Supplier<CursorProcessor> cursorProcessor = compiler.compileCursorProcessor(Optional.empty(), projections.build(), "key");
Supplier<PageProcessor> pageProcessor = compiler.compilePageProcessor(Optional.empty(), projections.build(), MAX_BATCH_SIZE);
ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory factory = new ScanFilterAndProjectOperator.ScanFilterAndProjectOperatorFactory(0, new PlanNodeId("test"), new PlanNodeId("0"), (session, split, table, columns, dynamicFilter) -> new FixedPageSource(ImmutableList.of(input)), cursorProcessor, pageProcessor, TEST_TABLE_HANDLE, ImmutableList.of(), null, ImmutableList.of(BIGINT), new DataSize(0, BYTE), 0, ReuseExchangeOperator.STRATEGY.REUSE_STRATEGY_DEFAULT, new UUID(0, 0), false, Optional.empty(), 0, 0);
SourceOperator operator = factory.createOperator(driverContext);
operator.addSplit(new Split(new CatalogName("test"), TestingSplit.createLocalSplit(), Lifespan.taskWide()));
operator.noMoreSplits();
// exactly 20 blocks (one for each column) and the PageProcessor will be able to create a Page out of it.
for (int i = 1; i <= totalRows * totalColumns; i++) {
driverContext.getYieldSignal().setWithDelay(SECONDS.toNanos(1000), driverContext.getYieldExecutor());
Page page = operator.getOutput();
if (i == totalColumns) {
assertNotNull(page);
assertEquals(page.getPositionCount(), totalRows);
assertEquals(page.getChannelCount(), totalColumns);
for (int j = 0; j < totalColumns; j++) {
assertEquals(toValues(BIGINT, page.getBlock(j)), toValues(BIGINT, input.getBlock(0)));
}
} else {
assertNull(page);
}
driverContext.getYieldSignal().reset();
}
}
use of io.prestosql.sql.gen.ExpressionCompiler in project hetu-core by openlookeng.
the class TestPageProcessorCompiler method setup.
@BeforeClass
public void setup() {
metadata = createTestMetadataManager();
compiler = new ExpressionCompiler(metadata, new PageFunctionCompiler(metadata, 0));
}
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