Examples with IExpressionRuntimeProvider org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider used on opensource projects

Example 6 with IExpressionRuntimeProvider

use of org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider in project asterixdb by apache.

the class SplitPOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    SplitOperator sop = (SplitOperator) op;
    int outputArity = sop.getOutputArity();
    int defaultBranch = sop.getDefaultBranch();
    boolean propageToAllBranchAsDefault = sop.getPropageToAllBranchAsDefault();
    IOperatorDescriptorRegistry spec = builder.getJobSpec();
    RecordDescriptor recDescriptor = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), propagatedSchema, context);
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    IScalarEvaluatorFactory brachingExprEvalFactory = expressionRuntimeProvider.createEvaluatorFactory(sop.getBranchingExpression().getValue(), context.getTypeEnvironment(op), inputSchemas, context);
    IBinaryIntegerInspectorFactory intInsepctorFactory = context.getBinaryIntegerInspectorFactory();
    SplitOperatorDescriptor splitOpDesc = new SplitOperatorDescriptor(spec, recDescriptor, outputArity, brachingExprEvalFactory, intInsepctorFactory, defaultBranch, propageToAllBranchAsDefault);
    contributeOpDesc(builder, (AbstractLogicalOperator) op, splitOpDesc);
    ILogicalOperator src = op.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, op, 0);
}

Example 7 with IExpressionRuntimeProvider

use of org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider in project asterixdb by apache.

the class SortGroupByPOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema opSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    List<LogicalVariable> gbyCols = getGbyColumns();
    int[] keys = JobGenHelper.variablesToFieldIndexes(gbyCols, inputSchemas[0]);
    GroupByOperator gby = (GroupByOperator) op;
    int numFds = gby.getDecorList().size();
    int[] fdColumns = new int[numFds];
    int j = 0;
    for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : gby.getDecorList()) {
        ILogicalExpression expr = p.second.getValue();
        if (expr.getExpressionTag() != LogicalExpressionTag.VARIABLE) {
            throw new AlgebricksException("Sort group-by expects variable references.");
        }
        VariableReferenceExpression v = (VariableReferenceExpression) expr;
        LogicalVariable decor = v.getVariableReference();
        fdColumns[j++] = inputSchemas[0].findVariable(decor);
    }
    if (gby.getNestedPlans().size() != 1) {
        throw new AlgebricksException("Sort group-by currently works only for one nested plan with one root containing" + "an aggregate and a nested-tuple-source.");
    }
    ILogicalPlan p0 = gby.getNestedPlans().get(0);
    if (p0.getRoots().size() != 1) {
        throw new AlgebricksException("Sort group-by currently works only for one nested plan with one root containing" + "an aggregate and a nested-tuple-source.");
    }
    Mutable<ILogicalOperator> r0 = p0.getRoots().get(0);
    AggregateOperator aggOp = (AggregateOperator) r0.getValue();
    IPartialAggregationTypeComputer partialAggregationTypeComputer = context.getPartialAggregationTypeComputer();
    List<Object> intermediateTypes = new ArrayList<Object>();
    int n = aggOp.getExpressions().size();
    IAggregateEvaluatorFactory[] aff = new IAggregateEvaluatorFactory[n];
    int i = 0;
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    IVariableTypeEnvironment aggOpInputEnv = context.getTypeEnvironment(aggOp.getInputs().get(0).getValue());
    IVariableTypeEnvironment outputEnv = context.getTypeEnvironment(op);
    for (Mutable<ILogicalExpression> exprRef : aggOp.getExpressions()) {
        AggregateFunctionCallExpression aggFun = (AggregateFunctionCallExpression) exprRef.getValue();
        aff[i++] = expressionRuntimeProvider.createAggregateFunctionFactory(aggFun, aggOpInputEnv, inputSchemas, context);
        intermediateTypes.add(partialAggregationTypeComputer.getType(aggFun, aggOpInputEnv, context.getMetadataProvider()));
    }
    int[] keyAndDecFields = new int[keys.length + fdColumns.length];
    for (i = 0; i < keys.length; ++i) {
        keyAndDecFields[i] = keys[i];
    }
    for (i = 0; i < fdColumns.length; i++) {
        keyAndDecFields[keys.length + i] = fdColumns[i];
    }
    List<LogicalVariable> keyAndDecVariables = new ArrayList<LogicalVariable>();
    for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : gby.getGroupByList()) {
        keyAndDecVariables.add(p.first);
    }
    for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : gby.getDecorList()) {
        keyAndDecVariables.add(GroupByOperator.getDecorVariable(p));
    }
    for (LogicalVariable var : keyAndDecVariables) {
        aggOpInputEnv.setVarType(var, outputEnv.getVarType(var));
    }
    compileSubplans(inputSchemas[0], gby, opSchema, context);
    IOperatorDescriptorRegistry spec = builder.getJobSpec();
    IBinaryComparatorFactory[] compFactories = new IBinaryComparatorFactory[gbyCols.size()];
    IBinaryComparatorFactoryProvider bcfProvider = context.getBinaryComparatorFactoryProvider();
    i = 0;
    for (LogicalVariable v : gbyCols) {
        Object type = aggOpInputEnv.getVarType(v);
        if (orderColumns[i].getOrder() == OrderKind.ASC) {
            compFactories[i] = bcfProvider.getBinaryComparatorFactory(type, true);
        } else {
            compFactories[i] = bcfProvider.getBinaryComparatorFactory(type, false);
        }
        i++;
    }
    RecordDescriptor recordDescriptor = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), opSchema, context);
    IAggregateEvaluatorFactory[] merges = new IAggregateEvaluatorFactory[n];
    List<LogicalVariable> usedVars = new ArrayList<LogicalVariable>();
    IOperatorSchema[] localInputSchemas = new IOperatorSchema[1];
    localInputSchemas[0] = new OperatorSchemaImpl();
    for (i = 0; i < n; i++) {
        AggregateFunctionCallExpression aggFun = (AggregateFunctionCallExpression) aggOp.getMergeExpressions().get(i).getValue();
        aggFun.getUsedVariables(usedVars);
    }
    i = 0;
    for (Object type : intermediateTypes) {
        aggOpInputEnv.setVarType(usedVars.get(i++), type);
    }
    for (LogicalVariable keyVar : keyAndDecVariables) {
        localInputSchemas[0].addVariable(keyVar);
    }
    for (LogicalVariable usedVar : usedVars) {
        localInputSchemas[0].addVariable(usedVar);
    }
    for (i = 0; i < n; i++) {
        AggregateFunctionCallExpression mergeFun = (AggregateFunctionCallExpression) aggOp.getMergeExpressions().get(i).getValue();
        merges[i] = expressionRuntimeProvider.createAggregateFunctionFactory(mergeFun, aggOpInputEnv, localInputSchemas, context);
    }
    RecordDescriptor partialAggRecordDescriptor = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), localInputSchemas[0], context);
    IAggregatorDescriptorFactory aggregatorFactory = new SimpleAlgebricksAccumulatingAggregatorFactory(aff, keyAndDecFields);
    IAggregatorDescriptorFactory mergeFactory = new SimpleAlgebricksAccumulatingAggregatorFactory(merges, keyAndDecFields);
    INormalizedKeyComputerFactory normalizedKeyFactory = null;
    INormalizedKeyComputerFactoryProvider nkcfProvider = context.getNormalizedKeyComputerFactoryProvider();
    if (nkcfProvider == null) {
        normalizedKeyFactory = null;
    }
    Object type = aggOpInputEnv.getVarType(gbyCols.get(0));
    normalizedKeyFactory = orderColumns[0].getOrder() == OrderKind.ASC ? nkcfProvider.getNormalizedKeyComputerFactory(type, true) : nkcfProvider.getNormalizedKeyComputerFactory(type, false);
    SortGroupByOperatorDescriptor gbyOpDesc = new SortGroupByOperatorDescriptor(spec, frameLimit, keys, keyAndDecFields, normalizedKeyFactory, compFactories, aggregatorFactory, mergeFactory, partialAggRecordDescriptor, recordDescriptor, false);
    contributeOpDesc(builder, gby, gbyOpDesc);
    ILogicalOperator src = op.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, op, 0);
}

Example 8 with IExpressionRuntimeProvider

use of org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider in project asterixdb by apache.

the class StreamSelectPOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema opSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    SelectOperator select = (SelectOperator) op;
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    IScalarEvaluatorFactory cond = expressionRuntimeProvider.createEvaluatorFactory(select.getCondition().getValue(), context.getTypeEnvironment(op), inputSchemas, context);
    StreamSelectRuntimeFactory runtime = new StreamSelectRuntimeFactory(cond, null, context.getBinaryBooleanInspectorFactory(), select.getRetainMissing(), inputSchemas[0].findVariable(select.getMissingPlaceholderVariable()), context.getMissingWriterFactory());
    // contribute one Asterix framewriter
    RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), opSchema, context);
    builder.contributeMicroOperator(select, runtime, recDesc);
    // and contribute one edge from its child
    ILogicalOperator src = select.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, select, 0);
}

Example 9 with IExpressionRuntimeProvider

use of org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider in project asterixdb by apache.

the class RunningAggregatePOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema opSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    RunningAggregateOperator ragg = (RunningAggregateOperator) op;
    List<LogicalVariable> variables = ragg.getVariables();
    List<Mutable<ILogicalExpression>> expressions = ragg.getExpressions();
    int[] outColumns = new int[variables.size()];
    for (int i = 0; i < outColumns.length; i++) {
        outColumns[i] = opSchema.findVariable(variables.get(i));
    }
    IRunningAggregateEvaluatorFactory[] runningAggFuns = new IRunningAggregateEvaluatorFactory[expressions.size()];
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    for (int i = 0; i < runningAggFuns.length; i++) {
        StatefulFunctionCallExpression expr = (StatefulFunctionCallExpression) expressions.get(i).getValue();
        runningAggFuns[i] = expressionRuntimeProvider.createRunningAggregateFunctionFactory(expr, context.getTypeEnvironment(op.getInputs().get(0).getValue()), inputSchemas, context);
    }
    // TODO push projections into the operator
    int[] projectionList = JobGenHelper.projectAllVariables(opSchema);
    RunningAggregateRuntimeFactory runtime = new RunningAggregateRuntimeFactory(outColumns, runningAggFuns, projectionList);
    // contribute one Asterix framewriter
    RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), opSchema, context);
    builder.contributeMicroOperator(ragg, runtime, recDesc);
    // and contribute one edge from its child
    ILogicalOperator src = ragg.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, ragg, 0);
}

Example 10 with IExpressionRuntimeProvider

use of org.apache.hyracks.algebricks.core.algebra.expressions.IExpressionRuntimeProvider in project asterixdb by apache.

the class StreamLimitPOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    LimitOperator limit = (LimitOperator) op;
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    IVariableTypeEnvironment env = context.getTypeEnvironment(op);
    IScalarEvaluatorFactory maxObjectsFact = expressionRuntimeProvider.createEvaluatorFactory(limit.getMaxObjects().getValue(), env, inputSchemas, context);
    ILogicalExpression offsetExpr = limit.getOffset().getValue();
    IScalarEvaluatorFactory offsetFact = (offsetExpr == null) ? null : expressionRuntimeProvider.createEvaluatorFactory(offsetExpr, env, inputSchemas, context);
    RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), propagatedSchema, context);
    StreamLimitRuntimeFactory runtime = new StreamLimitRuntimeFactory(maxObjectsFact, offsetFact, null, context.getBinaryIntegerInspectorFactory());
    builder.contributeMicroOperator(limit, runtime, recDesc);
    // and contribute one edge from its child
    ILogicalOperator src = limit.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, limit, 0);
}