Examples of org.apache.hadoop.hive.ql.parse.WindowingSpec.BoundarySpec

Package org.apache.hadoop.hive.ql.parse.WindowingSpec

Examples of org.apache.hadoop.hive.ql.parse.WindowingSpec.BoundarySpec

org.apache.hadoop.hive.ql.parse.WindowingSpec.BoundarySpec

      String desc = spec.toString();


      WindowFrameDef wdwFrame = translate(spec.getName(), inpShape, wdwSpec);
      if (!wFnInfo.isSupportsWindow())
      {
        BoundarySpec start = wdwSpec.getWindowFrame().getStart();
        if (start.getAmt() != BoundarySpec.UNBOUNDED_AMOUNT) {
          throw new SemanticException(
              String.format("Expecting left window frame boundary for " +
                  "function %s to be unbounded. Found : %d", desc, start.getAmt()));
        }
        BoundarySpec end = wdwSpec.getWindowFrame().getEnd();
        if (end.getAmt() != BoundarySpec.UNBOUNDED_AMOUNT) {
          throw new SemanticException(
              String.format("Expecting right window frame boundary for " +
                  "function %s to be unbounded. Found : %d", desc, start.getAmt()));
        }
      }

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      throws SemanticException {
    if (spec == null) {
      return null;
    }


    BoundarySpec s = spec.getStart();
    BoundarySpec e = spec.getEnd();
    int cmp = s.compareTo(e);
    if (cmp > 0) {
      throw new SemanticException(String.format(
          "Window range invalid, start boundary is greater than end boundary: %s", spec));
    }

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      throws SemanticException {
    if (spec == null) {
      return null;
    }


    BoundarySpec s = spec.getStart();
    BoundarySpec e = spec.getEnd();
    int cmp = s.compareTo(e);
    if (cmp > 0) {
      throw new SemanticException(String.format(
          "Window range invalid, start boundary is greater than end boundary: %s", spec));
    }

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    return ws;
  }


  private WindowFrameSpec processWindowFrame(ASTNode node) throws SemanticException {
    int type = node.getType();
    BoundarySpec start = null, end = null;


    /*
     * A WindowFrame may contain just the Start Boundary or in the
     * between style of expressing a WindowFrame both boundaries
     * are specified.

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    return new WindowFrameSpec(start, end);
  }


  private BoundarySpec processBoundary(int frameType, ASTNode node)  throws SemanticException {
    BoundarySpec bs = frameType == HiveParser.TOK_WINDOWRANGE ?
        new RangeBoundarySpec() : new ValueBoundarySpec();
    int type = node.getType();
    boolean hasAmt = true;


    switch(type)
    {
    case HiveParser.KW_PRECEDING:
      bs.setDirection(Direction.PRECEDING);
      break;
    case HiveParser.KW_FOLLOWING:
      bs.setDirection(Direction.FOLLOWING);
      break;
    case HiveParser.KW_CURRENT:
      bs = new CurrentRowSpec();
      hasAmt = false;
      break;
    }


    if ( hasAmt )
    {
      ASTNode amtNode = (ASTNode) node.getChild(0);
      if ( amtNode.getType() == HiveParser.KW_UNBOUNDED)
      {
        bs.setAmt(BoundarySpec.UNBOUNDED_AMOUNT);
      }
      else
      {
        int amt = Integer.parseInt(amtNode.getText());
        if ( amt < 0 ) {
          throw new SemanticException(
              "Window Frame Boundary Amount must be a +ve integer, amount provide is: " + amt);
        }
        bs.setAmt(amt);
      }
    }


    return bs;
  }

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      String desc = spec.toString();


      WindowFrameDef wdwFrame = translate(spec.getName(), inpShape, wdwSpec);
      if (!wFnInfo.isSupportsWindow())
      {
        BoundarySpec start = wdwSpec.getWindowFrame().getStart();
        if (start.getAmt() != BoundarySpec.UNBOUNDED_AMOUNT) {
          throw new SemanticException(
              String.format("Expecting left window frame boundary for " +
                  "function %s to be unbounded. Found : %d", desc, start.getAmt()));
        }
        BoundarySpec end = wdwSpec.getWindowFrame().getEnd();
        if (end.getAmt() != BoundarySpec.UNBOUNDED_AMOUNT) {
          throw new SemanticException(
              String.format("Expecting right window frame boundary for " +
                  "function %s to be unbounded. Found : %d", desc, start.getAmt()));
        }
      }

View Full Code Here

    return ws;
  }


  private WindowFrameSpec processWindowFrame(ASTNode node) throws SemanticException {
    int type = node.getType();
    BoundarySpec start = null, end = null;


    /*
     * A WindowFrame may contain just the Start Boundary or in the
     * between style of expressing a WindowFrame both boundaries
     * are specified.

View Full Code Here


    return new WindowFrameSpec(start, end);
  }


  private BoundarySpec processBoundary(int frameType, ASTNode node)  throws SemanticException {
    BoundarySpec bs = frameType == HiveParser.TOK_WINDOWRANGE ?
        new RangeBoundarySpec() : new ValueBoundarySpec();
    int type = node.getType();
    boolean hasAmt = true;


    switch(type)
    {
    case HiveParser.KW_PRECEDING:
      bs.setDirection(Direction.PRECEDING);
      break;
    case HiveParser.KW_FOLLOWING:
      bs.setDirection(Direction.FOLLOWING);
      break;
    case HiveParser.KW_CURRENT:
      bs = new CurrentRowSpec();
      hasAmt = false;
      break;
    }


    if ( hasAmt )
    {
      ASTNode amtNode = (ASTNode) node.getChild(0);
      if ( amtNode.getType() == HiveParser.KW_UNBOUNDED)
      {
        bs.setAmt(BoundarySpec.UNBOUNDED_AMOUNT);
      }
      else
      {
        int amt = Integer.parseInt(amtNode.getText());
        if ( amt < 0 ) {
          throw new SemanticException(
              "Window Frame Boundary Amount must be a +ve integer, amount provide is: " + amt);
        }
        bs.setAmt(amt);
      }
    }


    return bs;
  }

View Full Code Here

      String desc = spec.toString();


      WindowFrameDef wdwFrame = translate(spec.getName(), inpShape, wdwSpec);
      if (!wFnInfo.isSupportsWindow())
      {
        BoundarySpec start = wdwSpec.getWindowFrame().getStart();
        if (start.getAmt() != BoundarySpec.UNBOUNDED_AMOUNT) {
          throw new SemanticException(
              String.format("Expecting left window frame boundary for " +
                  "function %s to be unbounded. Found : %d", desc, start.getAmt()));
        }
        BoundarySpec end = wdwSpec.getWindowFrame().getEnd();
        if (end.getAmt() != BoundarySpec.UNBOUNDED_AMOUNT) {
          throw new SemanticException(
              String.format("Expecting right window frame boundary for " +
                  "function %s to be unbounded. Found : %d", desc, start.getAmt()));
        }
      }

View Full Code Here

      throws SemanticException {
    if (spec == null) {
      return null;
    }


    BoundarySpec s = spec.getStart();
    BoundarySpec e = spec.getEnd();
    int cmp = s.compareTo(e);
    if (cmp > 0) {
      throw new SemanticException(String.format(
          "Window range invalid, start boundary is greater than end boundary: %s", spec));
    }

View Full Code Here

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org.apache.hadoop.hive.ql.parse.PTFTranslator

org.apache.hadoop.hive.ql.parse.SemanticAnalyzer

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