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Example 6 with LambdaDefinitionExpression

use of com.facebook.presto.spi.relation.LambdaDefinitionExpression in project presto by prestodb.

the class TestTranslateExpressions method testTranslateIntermediateAggregationWithLambda.

@Test
public void testTranslateIntermediateAggregationWithLambda() {
    PlanNode result = tester().assertThat(new TranslateExpressions(METADATA, new SqlParser()).aggregationRowExpressionRewriteRule()).on(p -> p.aggregation(builder -> builder.globalGrouping().addAggregation(variable("reduce_agg", INTEGER), new AggregationNode.Aggregation(new CallExpression("reduce_agg", REDUCE_AGG, INTEGER, ImmutableList.of(castToRowExpression(expression("input")), castToRowExpression(expression("(x,y) -> x*y")), castToRowExpression(expression("(a,b) -> a*b")))), Optional.of(castToRowExpression(expression("input > 10"))), Optional.empty(), false, Optional.empty())).source(p.values(p.variable("input", INTEGER))))).get();
    AggregationNode.Aggregation translated = ((AggregationNode) result).getAggregations().get(variable("reduce_agg", INTEGER));
    assertEquals(translated, new AggregationNode.Aggregation(new CallExpression("reduce_agg", REDUCE_AGG, INTEGER, ImmutableList.of(variable("input", INTEGER), new LambdaDefinitionExpression(Optional.empty(), ImmutableList.of(INTEGER, INTEGER), ImmutableList.of("x", "y"), multiply(variable("x", INTEGER), variable("y", INTEGER))), new LambdaDefinitionExpression(Optional.empty(), ImmutableList.of(INTEGER, INTEGER), ImmutableList.of("a", "b"), multiply(variable("a", INTEGER), variable("b", INTEGER))))), Optional.of(greaterThan(variable("input", INTEGER), constant(10L, INTEGER))), Optional.empty(), false, Optional.empty()));
    assertFalse(isUntranslated(translated));
}
Also used : FunctionAndTypeManager(com.facebook.presto.metadata.FunctionAndTypeManager) AggregationNode(com.facebook.presto.spi.plan.AggregationNode) OriginalExpressionUtils(com.facebook.presto.sql.relational.OriginalExpressionUtils) Assert.assertEquals(org.testng.Assert.assertEquals) Test(org.testng.annotations.Test) TypeSignatureProvider.fromTypes(com.facebook.presto.sql.analyzer.TypeSignatureProvider.fromTypes) Expressions.call(com.facebook.presto.sql.relational.Expressions.call) Expressions.constant(com.facebook.presto.sql.relational.Expressions.constant) ImmutableList(com.google.common.collect.ImmutableList) BOOLEAN(com.facebook.presto.common.type.BooleanType.BOOLEAN) FunctionResolution(com.facebook.presto.sql.relational.FunctionResolution) Expressions.variable(com.facebook.presto.sql.relational.Expressions.variable) CallExpression(com.facebook.presto.spi.relation.CallExpression) Assert.assertFalse(org.testng.Assert.assertFalse) RowExpression(com.facebook.presto.spi.relation.RowExpression) LambdaDefinitionExpression(com.facebook.presto.spi.relation.LambdaDefinitionExpression) OperatorType(com.facebook.presto.common.function.OperatorType) FunctionType(com.facebook.presto.common.type.FunctionType) SqlParser(com.facebook.presto.sql.parser.SqlParser) PlanNode(com.facebook.presto.spi.plan.PlanNode) BaseRuleTest(com.facebook.presto.sql.planner.iterative.rule.test.BaseRuleTest) MetadataManager.createTestMetadataManager(com.facebook.presto.metadata.MetadataManager.createTestMetadataManager) INTEGER(com.facebook.presto.common.type.IntegerType.INTEGER) FunctionHandle(com.facebook.presto.spi.function.FunctionHandle) Optional(java.util.Optional) PlanBuilder.expression(com.facebook.presto.sql.planner.iterative.rule.test.PlanBuilder.expression) Metadata(com.facebook.presto.metadata.Metadata) OriginalExpressionUtils.castToRowExpression(com.facebook.presto.sql.relational.OriginalExpressionUtils.castToRowExpression) PlanNode(com.facebook.presto.spi.plan.PlanNode) SqlParser(com.facebook.presto.sql.parser.SqlParser) AggregationNode(com.facebook.presto.spi.plan.AggregationNode) CallExpression(com.facebook.presto.spi.relation.CallExpression) LambdaDefinitionExpression(com.facebook.presto.spi.relation.LambdaDefinitionExpression) Test(org.testng.annotations.Test) BaseRuleTest(com.facebook.presto.sql.planner.iterative.rule.test.BaseRuleTest)

Example 7 with LambdaDefinitionExpression

use of com.facebook.presto.spi.relation.LambdaDefinitionExpression in project presto by prestodb.

the class TestTranslateExpressions method testTranslateAggregationWithLambda.

@Test
public void testTranslateAggregationWithLambda() {
    PlanNode result = tester().assertThat(new TranslateExpressions(METADATA, new SqlParser()).aggregationRowExpressionRewriteRule()).on(p -> p.aggregation(builder -> builder.globalGrouping().addAggregation(variable("reduce_agg", INTEGER), new AggregationNode.Aggregation(new CallExpression("reduce_agg", REDUCE_AGG, INTEGER, ImmutableList.of(castToRowExpression(expression("input")), castToRowExpression(expression("0")), castToRowExpression(expression("(x,y) -> x*y")), castToRowExpression(expression("(a,b) -> a*b")))), Optional.of(castToRowExpression(expression("input > 10"))), Optional.empty(), false, Optional.empty())).source(p.values(p.variable("input", INTEGER))))).get();
    // TODO migrate this to RowExpressionMatcher
    AggregationNode.Aggregation translated = ((AggregationNode) result).getAggregations().get(variable("reduce_agg", INTEGER));
    assertEquals(translated, new AggregationNode.Aggregation(new CallExpression("reduce_agg", REDUCE_AGG, INTEGER, ImmutableList.of(variable("input", INTEGER), constant(0L, INTEGER), new LambdaDefinitionExpression(Optional.empty(), ImmutableList.of(INTEGER, INTEGER), ImmutableList.of("x", "y"), multiply(variable("x", INTEGER), variable("y", INTEGER))), new LambdaDefinitionExpression(Optional.empty(), ImmutableList.of(INTEGER, INTEGER), ImmutableList.of("a", "b"), multiply(variable("a", INTEGER), variable("b", INTEGER))))), Optional.of(greaterThan(variable("input", INTEGER), constant(10L, INTEGER))), Optional.empty(), false, Optional.empty()));
    assertFalse(isUntranslated(translated));
}
Also used : FunctionAndTypeManager(com.facebook.presto.metadata.FunctionAndTypeManager) AggregationNode(com.facebook.presto.spi.plan.AggregationNode) OriginalExpressionUtils(com.facebook.presto.sql.relational.OriginalExpressionUtils) Assert.assertEquals(org.testng.Assert.assertEquals) Test(org.testng.annotations.Test) TypeSignatureProvider.fromTypes(com.facebook.presto.sql.analyzer.TypeSignatureProvider.fromTypes) Expressions.call(com.facebook.presto.sql.relational.Expressions.call) Expressions.constant(com.facebook.presto.sql.relational.Expressions.constant) ImmutableList(com.google.common.collect.ImmutableList) BOOLEAN(com.facebook.presto.common.type.BooleanType.BOOLEAN) FunctionResolution(com.facebook.presto.sql.relational.FunctionResolution) Expressions.variable(com.facebook.presto.sql.relational.Expressions.variable) CallExpression(com.facebook.presto.spi.relation.CallExpression) Assert.assertFalse(org.testng.Assert.assertFalse) RowExpression(com.facebook.presto.spi.relation.RowExpression) LambdaDefinitionExpression(com.facebook.presto.spi.relation.LambdaDefinitionExpression) OperatorType(com.facebook.presto.common.function.OperatorType) FunctionType(com.facebook.presto.common.type.FunctionType) SqlParser(com.facebook.presto.sql.parser.SqlParser) PlanNode(com.facebook.presto.spi.plan.PlanNode) BaseRuleTest(com.facebook.presto.sql.planner.iterative.rule.test.BaseRuleTest) MetadataManager.createTestMetadataManager(com.facebook.presto.metadata.MetadataManager.createTestMetadataManager) INTEGER(com.facebook.presto.common.type.IntegerType.INTEGER) FunctionHandle(com.facebook.presto.spi.function.FunctionHandle) Optional(java.util.Optional) PlanBuilder.expression(com.facebook.presto.sql.planner.iterative.rule.test.PlanBuilder.expression) Metadata(com.facebook.presto.metadata.Metadata) OriginalExpressionUtils.castToRowExpression(com.facebook.presto.sql.relational.OriginalExpressionUtils.castToRowExpression) PlanNode(com.facebook.presto.spi.plan.PlanNode) SqlParser(com.facebook.presto.sql.parser.SqlParser) AggregationNode(com.facebook.presto.spi.plan.AggregationNode) CallExpression(com.facebook.presto.spi.relation.CallExpression) LambdaDefinitionExpression(com.facebook.presto.spi.relation.LambdaDefinitionExpression) Test(org.testng.annotations.Test) BaseRuleTest(com.facebook.presto.sql.planner.iterative.rule.test.BaseRuleTest)

Example 8 with LambdaDefinitionExpression

use of com.facebook.presto.spi.relation.LambdaDefinitionExpression in project presto by prestodb.

the class CursorProcessorCompiler method fieldReferenceCompiler.

static RowExpressionVisitor<BytecodeNode, Scope> fieldReferenceCompiler(Map<VariableReferenceExpression, CommonSubExpressionFields> variableMap) {
    return new RowExpressionVisitor<BytecodeNode, Scope>() {

        @Override
        public BytecodeNode visitInputReference(InputReferenceExpression node, Scope scope) {
            int field = node.getField();
            Type type = node.getType();
            Variable wasNullVariable = scope.getVariable("wasNull");
            Variable cursorVariable = scope.getVariable("cursor");
            Class<?> javaType = type.getJavaType();
            if (!javaType.isPrimitive() && javaType != Slice.class) {
                javaType = Object.class;
            }
            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).invokeInterface(RecordCursor.class, "get" + Primitives.wrap(javaType).getSimpleName(), javaType, int.class);
            return ifStatement;
        }

        @Override
        public BytecodeNode visitCall(CallExpression call, Scope scope) {
            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) {
            CommonSubExpressionFields fields = variableMap.get(reference);
            return new BytecodeBlock().append(context.getThis().invoke(fields.getMethodName(), fields.getResultType(), context.getVariable("properties"), context.getVariable("cursor"))).append(unboxPrimitiveIfNecessary(context, Primitives.wrap(reference.getType().getJavaType())));
        }

        @Override
        public BytecodeNode visitSpecialForm(SpecialFormExpression specialForm, Scope context) {
            throw new UnsupportedOperationException();
        }
    };
}
Also used : InputReferenceExpression(com.facebook.presto.spi.relation.InputReferenceExpression) Variable(com.facebook.presto.bytecode.Variable) ConstantExpression(com.facebook.presto.spi.relation.ConstantExpression) BytecodeBlock(com.facebook.presto.bytecode.BytecodeBlock) IfStatement(com.facebook.presto.bytecode.control.IfStatement) Type(com.facebook.presto.common.type.Type) CommonSubExpressionFields.initializeCommonSubExpressionFields(com.facebook.presto.sql.gen.CommonSubExpressionRewriter.CommonSubExpressionFields.initializeCommonSubExpressionFields) CommonSubExpressionFields.declareCommonSubExpressionFields(com.facebook.presto.sql.gen.CommonSubExpressionRewriter.CommonSubExpressionFields.declareCommonSubExpressionFields) CommonSubExpressionFields(com.facebook.presto.sql.gen.CommonSubExpressionRewriter.CommonSubExpressionFields) Scope(com.facebook.presto.bytecode.Scope) Slice(io.airlift.slice.Slice) VariableReferenceExpression(com.facebook.presto.spi.relation.VariableReferenceExpression) RowExpressionVisitor(com.facebook.presto.spi.relation.RowExpressionVisitor) CallExpression(com.facebook.presto.spi.relation.CallExpression) SpecialFormExpression(com.facebook.presto.spi.relation.SpecialFormExpression) LambdaDefinitionExpression(com.facebook.presto.spi.relation.LambdaDefinitionExpression)

Example 9 with LambdaDefinitionExpression

use of com.facebook.presto.spi.relation.LambdaDefinitionExpression in project presto by prestodb.

the class TestSubExpressions method testExtract.

@Test
void testExtract() {
    RowExpression a = variable("a", BIGINT);
    RowExpression b = constant(1L, BIGINT);
    RowExpression c = call(ADD, a, b);
    RowExpression d = new LambdaDefinitionExpression(Optional.empty(), ImmutableList.of(BIGINT), ImmutableList.of("a"), c);
    RowExpression e = constant(1L, BIGINT);
    RowExpression f = specialForm(BIND, new FunctionType(ImmutableList.of(BIGINT), BIGINT), e, d);
    assertEquals(subExpressions(a), ImmutableList.of(a));
    assertEquals(subExpressions(b), ImmutableList.of(b));
    assertEquals(subExpressions(c), ImmutableList.of(c, a, b));
    assertEquals(subExpressions(d), ImmutableList.of(d, c, a, b));
    assertEquals(subExpressions(f), ImmutableList.of(f, e, d, c, a, b));
    assertEqualsIgnoreOrder(uniqueSubExpressions(f), ImmutableSet.of(a, b, c, d, f));
}
Also used : FunctionType(com.facebook.presto.common.type.FunctionType) RowExpression(com.facebook.presto.spi.relation.RowExpression) LambdaDefinitionExpression(com.facebook.presto.spi.relation.LambdaDefinitionExpression) Test(org.testng.annotations.Test)

Example 10 with LambdaDefinitionExpression

use of com.facebook.presto.spi.relation.LambdaDefinitionExpression in project presto by prestodb.

the class PageFunctionCompiler method defineFilterClass.

private ClassDefinition defineFilterClass(SqlFunctionProperties sqlFunctionProperties, Map<SqlFunctionId, SqlInvokedFunction> sessionFunctions, RowExpression filter, InputChannels inputChannels, CallSiteBinder callSiteBinder, boolean isOptimizeCommonSubExpression, Optional<String> classNameSuffix) {
    ClassDefinition classDefinition = new ClassDefinition(a(PUBLIC, FINAL), generateFilterClassName(classNameSuffix), type(Object.class), type(PageFilter.class));
    CachedInstanceBinder cachedInstanceBinder = new CachedInstanceBinder(classDefinition, callSiteBinder);
    Map<LambdaDefinitionExpression, CompiledLambda> compiledLambdaMap = generateMethodsForLambda(classDefinition, callSiteBinder, cachedInstanceBinder, filter, metadata, sqlFunctionProperties, sessionFunctions);
    // cse
    Map<VariableReferenceExpression, CommonSubExpressionFields> cseFields = ImmutableMap.of();
    RowExpressionCompiler compiler = new RowExpressionCompiler(classDefinition, callSiteBinder, cachedInstanceBinder, new FieldAndVariableReferenceCompiler(callSiteBinder, cseFields), metadata, sqlFunctionProperties, sessionFunctions, compiledLambdaMap);
    if (isOptimizeCommonSubExpression) {
        Map<Integer, Map<RowExpression, VariableReferenceExpression>> commonSubExpressionsByLevel = collectCSEByLevel(filter);
        if (!commonSubExpressionsByLevel.isEmpty()) {
            cseFields = declareCommonSubExpressionFields(classDefinition, commonSubExpressionsByLevel);
            compiler = new RowExpressionCompiler(classDefinition, callSiteBinder, cachedInstanceBinder, new FieldAndVariableReferenceCompiler(callSiteBinder, cseFields), metadata, sqlFunctionProperties, sessionFunctions, compiledLambdaMap);
            generateCommonSubExpressionMethods(classDefinition, compiler, commonSubExpressionsByLevel, cseFields);
            Map<RowExpression, VariableReferenceExpression> commonSubExpressions = commonSubExpressionsByLevel.values().stream().flatMap(m -> m.entrySet().stream()).collect(toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
            filter = rewriteExpressionWithCSE(filter, commonSubExpressions);
            if (log.isDebugEnabled()) {
                log.debug("Extracted %d common sub-expressions", commonSubExpressions.size());
                commonSubExpressions.entrySet().forEach(entry -> log.debug("\t%s = %s", entry.getValue(), entry.getKey()));
                log.debug("Rewrote filter: %s", filter);
            }
        }
    }
    generateFilterMethod(classDefinition, compiler, filter, cseFields);
    FieldDefinition selectedPositions = classDefinition.declareField(a(PRIVATE), "selectedPositions", boolean[].class);
    generatePageFilterMethod(classDefinition, selectedPositions);
    // isDeterministic
    classDefinition.declareMethod(a(PUBLIC), "isDeterministic", type(boolean.class)).getBody().append(constantBoolean(determinismEvaluator.isDeterministic(filter))).retBoolean();
    // getInputChannels
    classDefinition.declareMethod(a(PUBLIC), "getInputChannels", type(InputChannels.class)).getBody().append(invoke(callSiteBinder.bind(inputChannels, InputChannels.class), "getInputChannels")).retObject();
    // toString
    String toStringResult = toStringHelper(classDefinition.getType().getJavaClassName()).add("filter", filter).toString();
    classDefinition.declareMethod(a(PUBLIC), "toString", type(String.class)).getBody().append(invoke(callSiteBinder.bind(toStringResult, String.class), "toString")).retObject();
    // constructor
    MethodDefinition constructorDefinition = classDefinition.declareConstructor(a(PUBLIC));
    BytecodeBlock body = constructorDefinition.getBody();
    Variable thisVariable = constructorDefinition.getThis();
    body.comment("super();").append(thisVariable).invokeConstructor(Object.class).append(thisVariable.setField(selectedPositions, newArray(type(boolean[].class), 0)));
    initializeCommonSubExpressionFields(cseFields.values(), thisVariable, body);
    cachedInstanceBinder.generateInitializations(thisVariable, body);
    body.ret();
    return classDefinition;
}
Also used : Page(com.facebook.presto.common.Page) LoadingCache(com.google.common.cache.LoadingCache) PageFieldsToInputParametersRewriter(com.facebook.presto.operator.project.PageFieldsToInputParametersRewriter) PageFilter(com.facebook.presto.operator.project.PageFilter) Expressions.subExpressions(com.facebook.presto.sql.relational.Expressions.subExpressions) SqlInvokedFunction(com.facebook.presto.spi.function.SqlInvokedFunction) MethodDefinition(com.facebook.presto.bytecode.MethodDefinition) InputPageProjection(com.facebook.presto.operator.project.InputPageProjection) CallSiteBinder(com.facebook.presto.bytecode.CallSiteBinder) ForLoop(com.facebook.presto.bytecode.control.ForLoop) BytecodeUtils.boxPrimitiveIfNecessary(com.facebook.presto.sql.gen.BytecodeUtils.boxPrimitiveIfNecessary) CommonSubExpressionRewriter.collectCSEByLevel(com.facebook.presto.sql.gen.CommonSubExpressionRewriter.collectCSEByLevel) Map(java.util.Map) 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Aggregations

LambdaDefinitionExpression (com.facebook.presto.spi.relation.LambdaDefinitionExpression)14 CallExpression (com.facebook.presto.spi.relation.CallExpression)9 BytecodeBlock (com.facebook.presto.bytecode.BytecodeBlock)8 Scope (com.facebook.presto.bytecode.Scope)8 Parameter (com.facebook.presto.bytecode.Parameter)7 Variable (com.facebook.presto.bytecode.Variable)7 RowExpression (com.facebook.presto.spi.relation.RowExpression)7 VariableReferenceExpression (com.facebook.presto.spi.relation.VariableReferenceExpression)7 MethodDefinition (com.facebook.presto.bytecode.MethodDefinition)6 Metadata (com.facebook.presto.metadata.Metadata)6 ConstantExpression (com.facebook.presto.spi.relation.ConstantExpression)6 ImmutableList (com.google.common.collect.ImmutableList)6 CallSiteBinder (com.facebook.presto.bytecode.CallSiteBinder)5 ClassDefinition (com.facebook.presto.bytecode.ClassDefinition)5 FieldDefinition (com.facebook.presto.bytecode.FieldDefinition)5 Optional (java.util.Optional)5 PRIVATE (com.facebook.presto.bytecode.Access.PRIVATE)4 PUBLIC (com.facebook.presto.bytecode.Access.PUBLIC)4 Access.a (com.facebook.presto.bytecode.Access.a)4 BytecodeNode (com.facebook.presto.bytecode.BytecodeNode)4