Package org.apache.drill.exec.exception

Examples of org.apache.drill.exec.exception.SchemaChangeException

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                case OK_NEW_SCHEMA:
                    if (rightSchema == null) {
                        rightSchema = right.getSchema();

                        if (rightSchema.getSelectionVectorMode() != BatchSchema.SelectionVectorMode.NONE) {
                          throw new SchemaChangeException("Hash join does not support build batch with selection vectors");
                        }
                        setupHashTable();
                    } else {
                        throw new SchemaChangeException("Hash join does not support schema changes");
                    }
                // Fall through
                case OK:
                    int currentRecordCount = right.getRecordCount();
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    for(Ordering od : orderings){
      // first, we rewrite the evaluation stack for each side of the comparison.
      ErrorCollector collector = new ErrorCollectorImpl();
      final LogicalExpression expr = ExpressionTreeMaterializer.materialize(od.getExpr(), batch, collector, context.getFunctionRegistry());
      if(collector.hasErrors()) throw new SchemaChangeException("Failure while materializing expression. " + collector.toErrorString());
      g.setMappingSet(leftMapping);
      HoldingContainer left = g.addExpr(expr, false);
      g.setMappingSet(rightMapping);
      HoldingContainer right = g.addExpr(expr, false);
      g.setMappingSet(mainMapping);
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    for(i = 0; i < numAggrExprs; i++){
      NamedExpression ne = popConfig.getAggrExprs()[i];
      final LogicalExpression expr = ExpressionTreeMaterializer.materialize(ne.getExpr(), incoming, collector, context.getFunctionRegistry() );

      if(collector.hasErrors()) throw new SchemaChangeException("Failure while materializing expression. " + collector.toErrorString());

      if(expr == null) continue;

      final MaterializedField outputField = MaterializedField.create(ne.getRef(), expr.getMajorType());
      ValueVector vv = TypeHelper.getNewVector(outputField, oContext.getAllocator());
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  }

  public void removeField(MaterializedField field) throws SchemaChangeException {
    ValueVector vector = fieldVectorMap.remove(field);
    if (vector == null)
      throw new SchemaChangeException("Failure attempting to remove an unknown field.");
    container.remove(vector);
    vector.close();
  }
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  }

  @Override
  public <T extends ValueVector> T addField(MaterializedField field, Class<T> clazz) throws SchemaChangeException {
    ValueVector v = TypeHelper.getNewVector(field, allocator);
    if(!clazz.isAssignableFrom(v.getClass())) throw new SchemaChangeException(String.format("The class that was provided %s does not correspond to the expected vector type of %s.", clazz.getSimpleName(), v.getClass().getSimpleName()));
    addField(v);
    return (T) v;
  }
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      Copier copier = context.getImplementationClass(cg);
      copier.setupRemover(context, incoming, this);

      return copier;
    } catch (ClassTransformationException | IOException e) {
      throw new SchemaChangeException("Failure while attempting to load generated class", e);
    }
  }
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      Copier copier = context.getImplementationClass(cg);
      copier.setupRemover(context, batch, outgoing);

      return copier;
    } catch (ClassTransformationException | IOException e) {
      throw new SchemaChangeException("Failure while attempting to load generated class", e);
    }
  }
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    TypedFieldId[] htKeyFieldIds = new TypedFieldId[htConfig.getKeyExprsBuild().length];

    int i = 0;
    for (NamedExpression ne : htConfig.getKeyExprsBuild()) {
      final LogicalExpression expr = ExpressionTreeMaterializer.materialize(ne.getExpr(), incomingBuild, collector, context.getFunctionRegistry());
      if(collector.hasErrors()) throw new SchemaChangeException("Failure while materializing expression. " + collector.toErrorString());
      if (expr == null) continue;
      keyExprsBuild[i] = expr;
     
      final MaterializedField outputField = MaterializedField.create(ne.getRef(), expr.getMajorType());
      // create a type-specific ValueVector for this key
      ValueVector vv = TypeHelper.getNewVector(outputField, allocator);
      vv.allocateNew();
      htKeyFieldIds[i] = htContainerOrig.add(vv);
     
      i++;
    }

    if (isProbe) {
      i = 0;
      for (NamedExpression ne : htConfig.getKeyExprsProbe()) {
        final LogicalExpression expr = ExpressionTreeMaterializer.materialize(ne.getExpr(), incomingProbe, collector, context.getFunctionRegistry());
        if(collector.hasErrors()) throw new SchemaChangeException("Failure while materializing expression. " + collector.toErrorString());
        if (expr == null) continue;
        keyExprsProbe[i] = expr;
        i++;
      }
    }
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      ValueVector vector = TypeHelper.getNewVector(outputField, oContext.getAllocator());
      TypedFieldId id = container.add(vector);
      valueExprs[i] = new ValueVectorWriteExpression(id, expr, true);
    }

    if(collector.hasErrors()) throw new SchemaChangeException("Failure while materializing expression. " + collector.toErrorString());

    setupIsSame(cg, keyExprs);
    setupIsSameApart(cg, keyExprs);
    addRecordValues(cg, valueExprs);
    outputRecordKeys(cg, keyOutputIds, keyExprs);
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    cg = CodeGenerator.getRoot(Partitioner.TEMPLATE_DEFINITION, context.getFunctionRegistry());
    ClassGenerator<Partitioner> cgInner = cg.getInnerGenerator("OutgoingRecordBatch");

    final LogicalExpression materializedExpr = ExpressionTreeMaterializer.materialize(expr, incoming, collector, context.getFunctionRegistry());
    if (collector.hasErrors()) {
      throw new SchemaChangeException(String.format(
          "Failure while trying to materialize incoming schema.  Errors:\n %s.",
          collector.toErrorString()));
    }

    // generate code to copy from an incoming value vector to the destination partition's outgoing value vector
    JExpression bucket = JExpr.direct("bucket");

    // generate evaluate expression to determine the hash
    ClassGenerator.HoldingContainer exprHolder = cg.addExpr(materializedExpr);
    cg.getEvalBlock().decl(JType.parse(cg.getModel(), "int"), "bucket", exprHolder.getValue().mod(JExpr.lit(outGoingBatchCount)));
    cg.getEvalBlock()._return(cg.getModel().ref(Math.class).staticInvoke("abs").arg(bucket));

    CopyUtil.generateCopies(cgInner, incoming, incoming.getSchema().getSelectionVectorMode() == SelectionVectorMode.FOUR_BYTE);

    try {
      // compile and setup generated code
//      partitioner = context.getImplementationClassMultipleOutput(cg);
      partitioner = context.getImplementationClass(cg);
      partitioner.setup(context, incoming, popConfig, stats, sendCount, oContext, statusHandler);

    } catch (ClassTransformationException | IOException e) {
      throw new SchemaChangeException("Failure while attempting to load generated class", e);
    }
  }
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Related Classes of org.apache.drill.exec.exception.SchemaChangeException

  • org.apache.drill.exec.physical.impl.aggregate.AggBatch
  • org.apache.drill.exec.physical.impl.aggregate.HashAggBatch
  • org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch
  • org.apache.drill.exec.physical.impl.common.ChainedHashTable
  • org.apache.drill.exec.physical.impl.filter.FilterRecordBatch
  • org.apache.drill.exec.physical.impl.flatten.FlattenRecordBatch
  • org.apache.drill.exec.physical.impl.join.HashJoinBatch
  • org.apache.drill.exec.physical.impl.join.HashJoinProbeTemplate
  • org.apache.drill.exec.physical.impl.join.MergeJoinBatch
  • org.apache.drill.exec.physical.impl.join.MergeJoinBatchBuilder
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