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

Example 1 with IExpressionRuntimeProvider

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

the class MetadataProvider method createTupleFilterFactory.

private AsterixTupleFilterFactory createTupleFilterFactory(IOperatorSchema[] inputSchemas, IVariableTypeEnvironment typeEnv, ILogicalExpression filterExpr, JobGenContext context) throws AlgebricksException {
    // No filtering condition.
    if (filterExpr == null) {
        return null;
    }
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    IScalarEvaluatorFactory filterEvalFactory = expressionRuntimeProvider.createEvaluatorFactory(filterExpr, typeEnv, inputSchemas, context);
    return new AsterixTupleFilterFactory(filterEvalFactory, context.getBinaryBooleanInspectorFactory());
}

Example 2 with IExpressionRuntimeProvider

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

the class NestedLoopJoinPOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema propagatedSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    AbstractBinaryJoinOperator join = (AbstractBinaryJoinOperator) op;
    RecordDescriptor recDescriptor = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), propagatedSchema, context);
    IOperatorSchema[] conditionInputSchemas = new IOperatorSchema[1];
    conditionInputSchemas[0] = propagatedSchema;
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    IScalarEvaluatorFactory cond = expressionRuntimeProvider.createEvaluatorFactory(join.getCondition().getValue(), context.getTypeEnvironment(op), conditionInputSchemas, context);
    ITuplePairComparatorFactory comparatorFactory = new TuplePairEvaluatorFactory(cond, context.getBinaryBooleanInspectorFactory());
    IOperatorDescriptorRegistry spec = builder.getJobSpec();
    IOperatorDescriptor opDesc = null;
    switch(kind) {
        case INNER:
            {
                opDesc = new NestedLoopJoinOperatorDescriptor(spec, comparatorFactory, recDescriptor, memSize, false, null);
                break;
            }
        case LEFT_OUTER:
            {
                IMissingWriterFactory[] nonMatchWriterFactories = new IMissingWriterFactory[inputSchemas[1].getSize()];
                for (int j = 0; j < nonMatchWriterFactories.length; j++) {
                    nonMatchWriterFactories[j] = context.getMissingWriterFactory();
                }
                opDesc = new NestedLoopJoinOperatorDescriptor(spec, comparatorFactory, recDescriptor, memSize, true, nonMatchWriterFactories);
                break;
            }
        default:
            {
                throw new NotImplementedException();
            }
    }
    contributeOpDesc(builder, (AbstractLogicalOperator) op, opDesc);
    ILogicalOperator src1 = op.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src1, 0, op, 0);
    ILogicalOperator src2 = op.getInputs().get(1).getValue();
    builder.contributeGraphEdge(src2, 0, op, 1);
}

Example 3 with IExpressionRuntimeProvider

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

the class AbstractUnnestPOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema opSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    AbstractUnnestNonMapOperator unnest = (AbstractUnnestNonMapOperator) op;
    int outCol = opSchema.findVariable(unnest.getVariable());
    ILogicalExpression unnestExpr = unnest.getExpressionRef().getValue();
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    boolean exit = false;
    if (unnestExpr.getExpressionTag() != LogicalExpressionTag.FUNCTION_CALL) {
        exit = true;
    } else {
        AbstractFunctionCallExpression fce = (AbstractFunctionCallExpression) unnestExpr;
        if (fce.getKind() != FunctionKind.UNNEST) {
            exit = true;
        }
    }
    if (exit) {
        throw new AlgebricksException("Unnest expression " + unnestExpr + " is not an unnesting function call.");
    }
    UnnestingFunctionCallExpression agg = (UnnestingFunctionCallExpression) unnestExpr;
    IUnnestingEvaluatorFactory unnestingFactory = expressionRuntimeProvider.createUnnestingFunctionFactory(agg, context.getTypeEnvironment(op.getInputs().get(0).getValue()), inputSchemas, context);
    int[] projectionList = JobGenHelper.projectAllVariables(opSchema);
    UnnestRuntimeFactory unnestRuntime = new UnnestRuntimeFactory(outCol, unnestingFactory, projectionList, unnest.getPositionWriter(), leftOuter, context.getMissingWriterFactory());
    RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), opSchema, context);
    builder.contributeMicroOperator(unnest, unnestRuntime, recDesc);
    ILogicalOperator src = unnest.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, unnest, 0);
}

Example 4 with IExpressionRuntimeProvider

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

the class AggregatePOperator method contributeRuntimeOperator.

@Override
public void contributeRuntimeOperator(IHyracksJobBuilder builder, JobGenContext context, ILogicalOperator op, IOperatorSchema opSchema, IOperatorSchema[] inputSchemas, IOperatorSchema outerPlanSchema) throws AlgebricksException {
    AggregateOperator aggOp = (AggregateOperator) op;
    List<LogicalVariable> variables = aggOp.getVariables();
    List<Mutable<ILogicalExpression>> expressions = aggOp.getExpressions();
    int[] outColumns = new int[variables.size()];
    for (int i = 0; i < outColumns.length; i++) {
        outColumns[i] = opSchema.findVariable(variables.get(i));
    }
    IAggregateEvaluatorFactory[] aggFactories = new IAggregateEvaluatorFactory[expressions.size()];
    IExpressionRuntimeProvider expressionRuntimeProvider = context.getExpressionRuntimeProvider();
    for (int i = 0; i < aggFactories.length; i++) {
        AggregateFunctionCallExpression aggFun = (AggregateFunctionCallExpression) expressions.get(i).getValue();
        aggFactories[i] = expressionRuntimeProvider.createAggregateFunctionFactory(aggFun, context.getTypeEnvironment(op.getInputs().get(0).getValue()), inputSchemas, context);
    }
    AggregateRuntimeFactory runtime = new AggregateRuntimeFactory(aggFactories);
    // contribute one Asterix framewriter
    RecordDescriptor recDesc = JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), opSchema, context);
    builder.contributeMicroOperator(aggOp, runtime, recDesc);
    // and contribute one edge from its child
    ILogicalOperator src = aggOp.getInputs().get(0).getValue();
    builder.contributeGraphEdge(src, 0, aggOp, 0);
}

Example 5 with IExpressionRuntimeProvider

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

the class AssignPOperator method contributeRuntimeOperator.

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