Examples with DelegateOperator org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator used on opensource projects

Example 11 with DelegateOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator in project asterixdb by apache.

the class LangExpressionToPlanTranslator method translateConnectFeed.

private ILogicalOperator translateConnectFeed(DatasetDataSource targetDatasource, Mutable<ILogicalExpression> varRef, List<Mutable<ILogicalExpression>> varRefsForLoading, List<Mutable<ILogicalExpression>> additionalFilteringExpressions, ILogicalOperator assign) {
    InsertDeleteUpsertOperator insertOp = new InsertDeleteUpsertOperator(targetDatasource, varRef, varRefsForLoading, InsertDeleteUpsertOperator.Kind.INSERT, false);
    insertOp.setAdditionalFilteringExpressions(additionalFilteringExpressions);
    insertOp.getInputs().add(new MutableObject<>(assign));
    ILogicalOperator leafOperator = new DelegateOperator(new CommitOperator(true));
    leafOperator.getInputs().add(new MutableObject<>(insertOp));
    return leafOperator;
}

Example 12 with DelegateOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator in project asterixdb by apache.

the class LangExpressionToPlanTranslator method translateInsert.

private ILogicalOperator translateInsert(DatasetDataSource targetDatasource, Mutable<ILogicalExpression> varRef, List<Mutable<ILogicalExpression>> varRefsForLoading, List<Mutable<ILogicalExpression>> additionalFilteringExpressions, ILogicalOperator assign, ICompiledDmlStatement stmt) throws AlgebricksException {
    if (targetDatasource.getDataset().hasMetaPart()) {
        throw new AlgebricksException(targetDatasource.getDataset().getDatasetName() + ": insert into dataset is not supported on Datasets with Meta records");
    }
    // Adds the insert operator.
    InsertDeleteUpsertOperator insertOp = new InsertDeleteUpsertOperator(targetDatasource, varRef, varRefsForLoading, InsertDeleteUpsertOperator.Kind.INSERT, false);
    insertOp.setAdditionalFilteringExpressions(additionalFilteringExpressions);
    insertOp.getInputs().add(new MutableObject<>(assign));
    // Adds the commit operator.
    CompiledInsertStatement compiledInsert = (CompiledInsertStatement) stmt;
    Expression returnExpression = compiledInsert.getReturnExpression();
    ILogicalOperator rootOperator = new DelegateOperator(new CommitOperator(returnExpression == null ? true : false));
    rootOperator.getInputs().add(new MutableObject<>(insertOp));
    // Compiles the return expression.
    return processReturningExpression(rootOperator, insertOp, compiledInsert);
}

Example 13 with DelegateOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.DelegateOperator in project asterixdb by apache.

the class LangExpressionToPlanTranslator method translateDelete.

private ILogicalOperator translateDelete(DatasetDataSource targetDatasource, Mutable<ILogicalExpression> varRef, List<Mutable<ILogicalExpression>> varRefsForLoading, List<Mutable<ILogicalExpression>> additionalFilteringExpressions, ILogicalOperator assign) throws AlgebricksException {
    if (targetDatasource.getDataset().hasMetaPart()) {
        throw new AlgebricksException(targetDatasource.getDataset().getDatasetName() + ": delete from dataset is not supported on Datasets with Meta records");
    }
    InsertDeleteUpsertOperator deleteOp = new InsertDeleteUpsertOperator(targetDatasource, varRef, varRefsForLoading, InsertDeleteUpsertOperator.Kind.DELETE, false);
    deleteOp.setAdditionalFilteringExpressions(additionalFilteringExpressions);
    deleteOp.getInputs().add(new MutableObject<>(assign));
    ILogicalOperator leafOperator = new DelegateOperator(new CommitOperator(true));
    leafOperator.getInputs().add(new MutableObject<>(deleteOp));
    return leafOperator;
}