Examples with CallExpression io.trino.sql.relational.CallExpression used on opensource projects

Example 1 with CallExpression

use of io.trino.sql.relational.CallExpression in project trino by trinodb.

the class CursorProcessorCompiler method fieldReferenceCompiler.

private static RowExpressionVisitor<BytecodeNode, Scope> fieldReferenceCompiler(Variable cursorVariable) {
    return new RowExpressionVisitor<>() {

        @Override
        public BytecodeNode visitInputReference(InputReferenceExpression node, Scope scope) {
            int field = node.getField();
            Type type = node.getType();
            Variable wasNullVariable = scope.getVariable("wasNull");
            Class<?> javaType = type.getJavaType();
            IfStatement ifStatement = new IfStatement();
            ifStatement.condition().setDescription(format("cursor.get%s(%d)", type, field)).getVariable(cursorVariable).push(field).invokeInterface(RecordCursor.class, "isNull", boolean.class, int.class);
            ifStatement.ifTrue().putVariable(wasNullVariable, true).pushJavaDefault(javaType);
            ifStatement.ifFalse().getVariable(cursorVariable).push(field);
            if (javaType == boolean.class) {
                ifStatement.ifFalse().invokeInterface(RecordCursor.class, "getBoolean", boolean.class, int.class);
            } else if (javaType == long.class) {
                ifStatement.ifFalse().invokeInterface(RecordCursor.class, "getLong", long.class, int.class);
            } else if (javaType == double.class) {
                ifStatement.ifFalse().invokeInterface(RecordCursor.class, "getDouble", double.class, int.class);
            } else if (javaType == Slice.class) {
                ifStatement.ifFalse().invokeInterface(RecordCursor.class, "getSlice", Slice.class, int.class);
            } else {
                ifStatement.ifFalse().invokeInterface(RecordCursor.class, "getObject", Object.class, int.class).checkCast(javaType);
            }
            return ifStatement;
        }

        @Override
        public BytecodeNode visitCall(CallExpression call, Scope scope) {
            throw new UnsupportedOperationException("not yet implemented");
        }

        @Override
        public BytecodeNode visitSpecialForm(SpecialForm specialForm, Scope context) {
            throw new UnsupportedOperationException("not yet implemented");
        }

        @Override
        public BytecodeNode visitConstant(ConstantExpression literal, Scope scope) {
            throw new UnsupportedOperationException("not yet implemented");
        }

        @Override
        public BytecodeNode visitLambda(LambdaDefinitionExpression lambda, Scope context) {
            throw new UnsupportedOperationException();
        }

        @Override
        public BytecodeNode visitVariableReference(VariableReferenceExpression reference, Scope context) {
            throw new UnsupportedOperationException();
        }
    };
}

Example 2 with CallExpression

use of io.trino.sql.relational.CallExpression in project trino by trinodb.

the class LambdaBytecodeGenerator method variableReferenceCompiler.

private static RowExpressionVisitor<BytecodeNode, Scope> variableReferenceCompiler(Map<String, ParameterAndType> parameterMap) {
    return new RowExpressionVisitor<>() {

        @Override
        public BytecodeNode visitInputReference(InputReferenceExpression node, Scope scope) {
            throw new UnsupportedOperationException();
        }

        @Override
        public BytecodeNode visitCall(CallExpression call, Scope scope) {
            throw new UnsupportedOperationException();
        }

        @Override
        public BytecodeNode visitSpecialForm(SpecialForm specialForm, Scope context) {
            throw new UnsupportedOperationException();
        }

        @Override
        public BytecodeNode visitConstant(ConstantExpression literal, Scope scope) {
            throw new UnsupportedOperationException();
        }

        @Override
        public BytecodeNode visitLambda(LambdaDefinitionExpression lambda, Scope context) {
            throw new UnsupportedOperationException();
        }

        @Override
        public BytecodeNode visitVariableReference(VariableReferenceExpression reference, Scope context) {
            ParameterAndType parameterAndType = parameterMap.get(reference.getName());
            Parameter parameter = parameterAndType.getParameter();
            Class<?> type = parameterAndType.getType();
            return new BytecodeBlock().append(parameter).append(unboxPrimitiveIfNecessary(context, type));
        }
    };
}

Example 3 with CallExpression

use of io.trino.sql.relational.CallExpression in project trino by trinodb.

the class TestPageProcessor method testExpressionProfiler.

@Test
public void testExpressionProfiler() {
    TestingFunctionResolution functionResolution = new TestingFunctionResolution();
    CallExpression add10Expression = call(functionResolution.resolveOperator(ADD, ImmutableList.of(BIGINT, BIGINT)), field(0, BIGINT), constant(10L, BIGINT));
    TestingTicker testingTicker = new TestingTicker();
    PageFunctionCompiler functionCompiler = functionResolution.getPageFunctionCompiler();
    Supplier<PageProjection> projectionSupplier = functionCompiler.compileProjection(add10Expression, Optional.empty());
    PageProjection projection = projectionSupplier.get();
    Page page = new Page(createLongSequenceBlock(1, 11));
    ExpressionProfiler profiler = new ExpressionProfiler(testingTicker, SPLIT_RUN_QUANTA);
    for (int i = 0; i < 100; i++) {
        profiler.start();
        Work<Block> work = projection.project(SESSION, new DriverYieldSignal(), page, SelectedPositions.positionsRange(0, page.getPositionCount()));
        if (i < 10) {
            // increment the ticker with a large value to mark the expression as expensive
            testingTicker.increment(10, SECONDS);
            profiler.stop(page.getPositionCount());
            assertTrue(profiler.isExpressionExpensive());
        } else {
            testingTicker.increment(0, NANOSECONDS);
            profiler.stop(page.getPositionCount());
            assertFalse(profiler.isExpressionExpensive());
        }
        work.process();
    }
}

Example 4 with CallExpression

use of io.trino.sql.relational.CallExpression in project trino by trinodb.

the class TestPageProcessorCompiler method testSanityFilterOnDictionary.

@Test
public void testSanityFilterOnDictionary() {
    CallExpression lengthVarchar = new CallExpression(functionResolution.resolveFunction(QualifiedName.of("length"), fromTypes(VARCHAR)), ImmutableList.of(field(0, VARCHAR)));
    ResolvedFunction lessThan = functionResolution.resolveOperator(LESS_THAN, ImmutableList.of(BIGINT, BIGINT));
    CallExpression filter = new CallExpression(lessThan, ImmutableList.of(lengthVarchar, constant(10L, BIGINT)));
    PageProcessor processor = compiler.compilePageProcessor(Optional.of(filter), ImmutableList.of(field(0, VARCHAR)), MAX_BATCH_SIZE).get();
    Page page = new Page(createDictionaryBlock(createExpectedValues(10), 100));
    Page outputPage = getOnlyElement(processor.process(null, new DriverYieldSignal(), newSimpleAggregatedMemoryContext().newLocalMemoryContext(PageProcessor.class.getSimpleName()), page)).orElseThrow(() -> new AssertionError("page is not present"));
    assertEquals(outputPage.getPositionCount(), 100);
    assertTrue(outputPage.getBlock(0) instanceof DictionaryBlock);
    DictionaryBlock dictionaryBlock = (DictionaryBlock) outputPage.getBlock(0);
    assertEquals(dictionaryBlock.getDictionary().getPositionCount(), 10);
    // test filter caching
    Page outputPage2 = getOnlyElement(processor.process(null, new DriverYieldSignal(), newSimpleAggregatedMemoryContext().newLocalMemoryContext(PageProcessor.class.getSimpleName()), page)).orElseThrow(() -> new AssertionError("page is not present"));
    assertEquals(outputPage2.getPositionCount(), 100);
    assertTrue(outputPage2.getBlock(0) instanceof DictionaryBlock);
    DictionaryBlock dictionaryBlock2 = (DictionaryBlock) outputPage2.getBlock(0);
    // both output pages must have the same dictionary
    assertEquals(dictionaryBlock2.getDictionary(), dictionaryBlock.getDictionary());
}

Example 5 with CallExpression

use of io.trino.sql.relational.CallExpression in project trino by trinodb.

the class TestPageProcessorCompiler method testSanityFilterOnRLE.

@Test
public void testSanityFilterOnRLE() {
    ResolvedFunction lessThan = functionResolution.resolveOperator(LESS_THAN, ImmutableList.of(BIGINT, BIGINT));
    CallExpression filter = new CallExpression(lessThan, ImmutableList.of(field(0, BIGINT), constant(10L, BIGINT)));
    PageProcessor processor = compiler.compilePageProcessor(Optional.of(filter), ImmutableList.of(field(0, BIGINT)), MAX_BATCH_SIZE).get();
    Page page = new Page(createRLEBlock(5L, 100));
    Page outputPage = getOnlyElement(processor.process(null, new DriverYieldSignal(), newSimpleAggregatedMemoryContext().newLocalMemoryContext(PageProcessor.class.getSimpleName()), page)).orElseThrow(() -> new AssertionError("page is not present"));
    assertEquals(outputPage.getPositionCount(), 100);
    assertTrue(outputPage.getBlock(0) instanceof RunLengthEncodedBlock);
    RunLengthEncodedBlock rle = (RunLengthEncodedBlock) outputPage.getBlock(0);
    assertEquals(BIGINT.getLong(rle.getValue(), 0), 5L);
}