Package org.apache.drill.common.expression

Examples of org.apache.drill.common.expression.ErrorCollector.toErrorString()

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    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");
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    final List<TransferPair> transfers = Lists.newArrayList();
    final ClassGenerator<Filterer> cg = CodeGenerator.getRoot(Filterer.TEMPLATE_DEFINITION4, context.getFunctionRegistry());

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

    cg.addExpr(new ReturnValueExpression(expr));

//    for (VectorWrapper<?> i : incoming) {
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    final List<TransferPair> transfers = Lists.newArrayList();
    final ClassGenerator<Filterer> cg = CodeGenerator.getRoot(Filterer.TEMPLATE_DEFINITION2, context.getFunctionRegistry());

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

    cg.addExpr(new ReturnValueExpression(expr));

    for (VectorWrapper<?> v : incoming) {
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      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);
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    for (Ordering od : popConfig.getOrderings()) {
      // 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(LEFT_MAPPING);
      HoldingContainer left = g.addExpr(expr, false);
      g.setMappingSet(RIGHT_MAPPING);
      HoldingContainer right = g.addExpr(expr, false);
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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);
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    //assertEquals(1, newIfExpr.conditions.size());
    //ifCondition = newIfExpr.conditions.get(0);
    assertEquals(bigIntType, ifCondition.expression.getMajorType());
    assertEquals(true, ((ValueExpressions.BooleanExpression) ((IfExpression)(newIfExpr.elseExpression)).ifCondition.condition).value);
    if (ec.hasErrors()) {
      System.out.println(ec.toErrorString());
    }
    assertFalse(ec.hasErrors());
  }

  @Test
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      ImmutableList.of((LogicalExpression) new FieldReference("test", ExpressionPosition.UNKNOWN) ),
      ExpressionPosition.UNKNOWN);
    LogicalExpression newExpr = ExpressionTreeMaterializer.materialize(functionCallExpr, batch, ec, registry);
    assertTrue(newExpr instanceof TypedNullConstant);
    assertEquals(1, ec.getErrorCount());
    System.out.println(ec.toErrorString());
  }

}
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    final List<TransferPair> transfers = Lists.newArrayList();
    final ClassGenerator<Filterer> cg = CodeGenerator.getRoot(Filterer.TEMPLATE_DEFINITION4, context.getFunctionRegistry());

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

    cg.addExpr(new ReturnValueExpression(expr));

//    for(VectorWrapper<?> i : incoming){
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    final List<TransferPair> transfers = Lists.newArrayList();
    final ClassGenerator<Filterer> cg = CodeGenerator.getRoot(Filterer.TEMPLATE_DEFINITION2, context.getFunctionRegistry());

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

    cg.addExpr(new ReturnValueExpression(expr));

    for(VectorWrapper<?> v : incoming){
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