Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.ExprNodeFieldDesc

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    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      ExprWalkerInfo ctx = (ExprWalkerInfo) procCtx;
      String alias = null;
      ExprNodeFieldDesc expr = (ExprNodeFieldDesc) nd;

      boolean isCandidate = true;
      assert (nd.getChildren().size() == 1);
      ExprNodeDesc ch = (ExprNodeDesc) nd.getChildren().get(0);
      ExprNodeDesc newCh = ctx.getConvertedNode(ch);
      if (newCh != null) {
        expr.setDesc(newCh);
        ch = newCh;
      }
      String chAlias = ctx.getAlias(ch);

      isCandidate = isCandidate && ctx.isCandidate(ch);
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            .getStructFieldTypeInfo(fieldNameString);
        if (isList) {
          t = TypeInfoFactory.getListTypeInfo(t);
        }

        desc = new ExprNodeFieldDesc(t, children.get(0), fieldNameString,
            isList);

      } else if (funcText.equals("[")) {
        // "[]" : LSQUARE/INDEX Expression
        assert (children.size() == 2);
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  public static class FieldExprProcessor implements NodeProcessor {

    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      ExprNodeFieldDesc fnd = (ExprNodeFieldDesc) nd;
      boolean unknown = false;
      for (Object child : nodeOutputs) {
        NodeInfoWrapper wrapper = (NodeInfoWrapper) child;
        if (wrapper.state == WalkState.UNKNOWN) {
          unknown = true;
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    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      ExprWalkerInfo ctx = (ExprWalkerInfo) procCtx;
      String alias = null;
      ExprNodeFieldDesc expr = (ExprNodeFieldDesc) nd;

      boolean isCandidate = true;
      assert (nd.getChildren().size() == 1);
      ExprNodeDesc ch = (ExprNodeDesc) nd.getChildren().get(0);
      ExprNodeDesc newCh = ctx.getConvertedNode(ch);
      if (newCh != null) {
        expr.setDesc(newCh);
        ch = newCh;
      }
      String chAlias = ctx.getAlias(ch);

      isCandidate = isCandidate && ctx.isCandidate(ch);
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  public static class FieldExprProcessor implements NodeProcessor {

    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      ExprNodeFieldDesc fnd = (ExprNodeFieldDesc) nd;
      boolean unknown = false;
      int idx = 0;
      for (Object child : nodeOutputs) {
        NodeInfoWrapper wrapper = (NodeInfoWrapper) child;
        if (wrapper.state == WalkState.UNKNOWN) {
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            .getStructFieldTypeInfo(fieldNameString);
        if (isList) {
          t = TypeInfoFactory.getListTypeInfo(t);
        }

        desc = new ExprNodeFieldDesc(t, children.get(0), fieldNameString,
            isList);

      } else if (funcText.equals("[")) {
        // "[]" : LSQUARE/INDEX Expression
        assert (children.size() == 2);
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    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {
      ExprWalkerInfo ctx = (ExprWalkerInfo) procCtx;
      String alias = null;
      ExprNodeFieldDesc expr = (ExprNodeFieldDesc) nd;

      boolean isCandidate = true;
      assert (nd.getChildren().size() == 1);
      ExprNodeDesc ch = (ExprNodeDesc) nd.getChildren().get(0);
      ExprNodeDesc newCh = ctx.getConvertedNode(ch);
      if (newCh != null) {
        expr.setDesc(newCh);
        ch = newCh;
      }
      String chAlias = ctx.getAlias(ch);

      isCandidate = isCandidate && ctx.isCandidate(ch);
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            .getStructFieldTypeInfo(fieldNameString);
        if (isList) {
          t = TypeInfoFactory.getListTypeInfo(t);
        }

        desc = new ExprNodeFieldDesc(t, children.get(0), fieldNameString,
            isList);

      } else if (funcText.equals("[")) {
        // "[]" : LSQUARE/INDEX Expression
        assert (children.size() == 2);
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    @Override
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
        Object... nodeOutputs) throws SemanticException {

      ExprNodeFieldDesc fnd = (ExprNodeFieldDesc) nd;
      boolean unknown = false;
      int idx = 0;
      ExprNodeDesc left_nd = null;
      for (Object child : nodeOutputs) {
        ExprNodeDesc child_nd = (ExprNodeDesc) child;
        if (child_nd instanceof ExprNodeConstantDesc
            && ((ExprNodeConstantDesc) child_nd).getValue() == null) {
          unknown = true;
        }
        left_nd = child_nd;
      }

      assert (idx == 0);

      ExprNodeDesc newnd = null;
      if (unknown) {
        newnd = new ExprNodeConstantDesc(fnd.getTypeInfo(), null);
      } else {
        newnd = new ExprNodeFieldDesc(fnd.getTypeInfo(), left_nd, fnd
            .getFieldName(), fnd.getIsList());
      }
      return newnd;
    }
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        TypeInfo t = objectTypeInfo.getStructFieldTypeInfo(fieldNameString);
        if (isList) {
          t = TypeInfoFactory.getListTypeInfo(t);
        }
       
        desc = new exprNodeFieldDesc(t, children.get(0), fieldNameString, isList);
       
      } else if (funcText.equals("[")){
        // "[]" : LSQUARE/INDEX Expression
        assert(children.size() == 2);
       
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