Package org.apache.drill.exec.expr

Examples of org.apache.drill.exec.expr.HoldingContainerExpression

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      g.setMappingSet(RIGHT_MAPPING);
      HoldingContainer right = g.addExpr(expr, false);
      g.setMappingSet(MAIN_MAPPING);
     
      // next we wrap the two comparison sides and add the expression block for the comparison.
      FunctionCall f = new FunctionCall(ComparatorFunctions.COMPARE_TO, ImmutableList.of((LogicalExpression) new HoldingContainerExpression(left), new HoldingContainerExpression(right)), ExpressionPosition.UNKNOWN);
      HoldingContainer out = g.addExpr(f, false);
      JConditional jc = g.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));
     
      //TODO: is this the right order...
      if(od.getDirection() == Direction.ASC){
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      cg.getEvalBlock()._if(compareRightExprHolder.getIsSet().eq(JExpr.lit(0)))
          ._then()
          ._return(JExpr.lit(1));
    }

    FunctionCall f = new FunctionCall(ComparatorFunctions.COMPARE_TO, ImmutableList.of((LogicalExpression) new HoldingContainerExpression(compareLeftExprHolder), (LogicalExpression)  new HoldingContainerExpression(compareRightExprHolder)), ExpressionPosition.UNKNOWN);
    cg.addExpr(new ReturnValueExpression(f, false), false);
//   
//    // equality
//    cg.getEvalBlock()._if(compareLeftExprHolder.getValue().eq(compareRightExprHolder.getValue()))
//                     ._then()
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      cg.setMappingSet(IS_SAME_I1);
      HoldingContainer first = cg.addExpr(expr, false);
      cg.setMappingSet(IS_SAME_I2);
      HoldingContainer second = cg.addExpr(expr, false);
     
      FunctionCall f = new FunctionCall(ComparatorFunctions.COMPARE_TO, ImmutableList.of((LogicalExpression) new HoldingContainerExpression(first), new HoldingContainerExpression(second)), ExpressionPosition.UNKNOWN);
      HoldingContainer out = cg.addExpr(f, false);
      cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)))._then()._return(JExpr.FALSE);
    }
    cg.getEvalBlock()._return(JExpr.TRUE);
  }
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      cg.setMappingSet(ISA_B1);
      HoldingContainer first = cg.addExpr(expr, false);
      cg.setMappingSet(ISA_B2);
      HoldingContainer second = cg.addExpr(expr, false);

      FunctionCall f = new FunctionCall(ComparatorFunctions.COMPARE_TO, ImmutableList.of((LogicalExpression) new HoldingContainerExpression(first), new HoldingContainerExpression(second)), ExpressionPosition.UNKNOWN);
      HoldingContainer out = cg.addExpr(f, false);
      cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)))._then()._return(JExpr.FALSE);
    }
    cg.getEvalBlock()._return(JExpr.TRUE);
  }
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      logger.debug("Writing out expr {}", keyExprs[i]);
      cg.rotateBlock();
      cg.setMappingSet(RECORD_KEYS_PREV);
      HoldingContainer innerExpression = cg.addExpr(keyExprs[i], false);
      cg.setMappingSet(RECORD_KEYS_PREV_OUT);
      HoldingContainer outerExpression = cg.addExpr(new ValueVectorWriteExpression(keyOutputIds[i], new HoldingContainerExpression(innerExpression), true), false);
      cg.getBlock(BlockType.EVAL)._if(outerExpression.getValue().eq(JExpr.lit(0)))._then()._return(JExpr.FALSE);
     
    }
    cg.getBlock(BlockType.EVAL)._return(JExpr.TRUE);
  }
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    List<MajorType> argTypes = new ArrayList<MajorType>(args.length);
    List<LogicalExpression> argExpressions = new ArrayList<LogicalExpression>(args.length);
    for(HoldingContainer c : args){
      argTypes.add(c.getMajorType());
      argExpressions.add(new HoldingContainerExpression(c));
    }

    DrillFuncHolder holder = registry.findExactMatchingDrillFunction(name, argTypes, returnType);
    if (holder != null) {
      return holder.getExpr(name, argExpressions, ExpressionPosition.UNKNOWN);
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      logger.debug("Writing out expr {}", keyExprs[i]);
      cg.rotateBlock();
      cg.setMappingSet(RECORD_KEYS_PREV);
      HoldingContainer innerExpression = cg.addExpr(keyExprs[i], false);
      cg.setMappingSet(RECORD_KEYS_PREV_OUT);
      HoldingContainer outerExpression = cg.addExpr(new ValueVectorWriteExpression(keyOutputIds[i], new HoldingContainerExpression(innerExpression), true), false);
      cg.getBlock(BlockType.EVAL)._if(outerExpression.getValue().eq(JExpr.lit(0)))._then()._return(JExpr.FALSE);

    }
    cg.getBlock(BlockType.EVAL)._return(JExpr.TRUE);
  }
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  public static FunctionHolderExpression getFunctionExpression(String name, MajorType returnType, FunctionImplementationRegistry registry, HoldingContainer... args) {
    List<MajorType> argTypes = new ArrayList<MajorType>(args.length);
    List<LogicalExpression> argExpressions = new ArrayList<LogicalExpression>(args.length);
    for(HoldingContainer c : args) {
      argTypes.add(c.getMajorType());
      argExpressions.add(new HoldingContainerExpression(c));
    }

    DrillFuncHolder holder = registry.findExactMatchingDrillFunction(name, argTypes, returnType);
    if (holder != null) {
      return holder.getExpr(name, argExpressions, ExpressionPosition.UNKNOWN);
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      logger.debug("Writing out expr {}", keyExprs[i]);
      cg.rotateBlock();
      cg.setMappingSet(RECORD_KEYS_PREV);
      HoldingContainer innerExpression = cg.addExpr(keyExprs[i], false);
      cg.setMappingSet(RECORD_KEYS_PREV_OUT);
      HoldingContainer outerExpression = cg.addExpr(new ValueVectorWriteExpression(keyOutputIds[i], new HoldingContainerExpression(innerExpression), true), false);
      cg.getBlock(BlockType.EVAL)._if(outerExpression.getValue().eq(JExpr.lit(0)))._then()._return(JExpr.FALSE);

    }
    cg.getBlock(BlockType.EVAL)._return(JExpr.TRUE);
  }
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Related Classes of org.apache.drill.exec.expr.HoldingContainerExpression

  • org.apache.drill.exec.expr.fn.FunctionGenerationHelper
  • org.apache.drill.exec.physical.impl.aggregate.AggBatch
  • org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch
  • org.apache.drill.exec.physical.impl.join.MergeJoinBatch
  • org.apache.drill.exec.physical.impl.sort.SortBatch
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