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

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

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      TypeCheckCtx ctx = (TypeCheckCtx) procCtx;
      if (ctx.getError() != null) {
        return null;
      }

      ExprNodeDesc desc = TypeCheckProcFactory.processGByExpr(nd, procCtx);
      if (desc != null) {
        return desc;
      }

      Number v = null;
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      TypeCheckCtx ctx = (TypeCheckCtx) procCtx;
      if (ctx.getError() != null) {
        return null;
      }

      ExprNodeDesc desc = TypeCheckProcFactory.processGByExpr(nd, procCtx);
      if (desc != null) {
        return desc;
      }

      ASTNode expr = (ASTNode) nd;
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    IndexPredicateAnalyzer analyzer =
      HiveHBaseTableInputFormat.newIndexPredicateAnalyzer(columnNames.get(keyColPos), keyColType,
        hbaseSerde.getStorageFormatOfCol(keyColPos).get(0));
    List<IndexSearchCondition> searchConditions =
      new ArrayList<IndexSearchCondition>();
    ExprNodeDesc residualPredicate =
      analyzer.analyzePredicate(predicate, searchConditions);
    int scSize = searchConditions.size();
    if (scSize < 1 || 2 < scSize) {
      // Either there was nothing which could be pushed down (size = 0),
      // there were complex predicates which we don't support yet.
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      TypeCheckCtx ctx = (TypeCheckCtx) procCtx;
      if (ctx.getError() != null) {
        return null;
      }

      ExprNodeDesc desc = TypeCheckProcFactory.processGByExpr(nd, procCtx);
      if (desc != null) {
        return desc;
      }

      ASTNode expr = (ASTNode) nd;
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      TypeCheckCtx ctx = (TypeCheckCtx) procCtx;
      if (ctx.getError() != null) {
        return null;
      }

      ExprNodeDesc desc = TypeCheckProcFactory.processGByExpr(nd, procCtx);
      if (desc != null) {
        return desc;
      }

      ASTNode expr = (ASTNode) nd;
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      TypeCheckCtx ctx = (TypeCheckCtx) procCtx;
      if (ctx.getError() != null) {
        return null;
      }

      ExprNodeDesc desc = TypeCheckProcFactory.processGByExpr(nd, procCtx);
      if (desc != null) {
        return desc;
      }

      ASTNode expr = (ASTNode) nd;
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      for (int i = 0; i < schema.size(); i++) {
        ColumnInfo column = schema.get(i);
        if (column == null) {
          continue;
        }
        ExprNodeDesc expr = colExprMap.get(column.getInternalName());
        int index = ExprNodeDescUtils.indexOf(expr, values);
        if (index >= 0) {
          colExprMap.put(column.getInternalName(), newValues.get(index));
          schema.set(i, null);
        }
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    for (int i = 0; i < outputCols.size(); i++) {
      String internalName = outputCols.get(i);
      String[] nm = inputRR.reverseLookup(internalName);
      ColumnInfo valueInfo = inputRR.get(nm[0], nm[1]);
      ExprNodeDesc colDesc = new ExprNodeColumnDesc(valueInfo.getType(), valueInfo
          .getInternalName(), nm[0], valueInfo.getIsVirtualCol());
      exprs.add(colDesc);
      outputs.add(internalName);
      outputRS.put(nm[0], nm[1], new ColumnInfo(internalName, valueInfo.getType(), nm[0], valueInfo
          .getIsVirtualCol(), valueInfo.isHiddenVirtualCol()));
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    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);

    XMLDecoder decoder = new XMLDecoder(bais, null, null);
    try {
      ExprNodeDesc expr = (ExprNodeDesc) decoder.readObject();
      return expr;
    } finally {
      decoder.close();
    }
  }
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  public static class ColumnPrunerFilterProc implements NodeProcessor {
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx ctx,
        Object... nodeOutputs) throws SemanticException {
      FilterOperator op = (FilterOperator) nd;
      ColumnPrunerProcCtx cppCtx = (ColumnPrunerProcCtx) ctx;
      ExprNodeDesc condn = op.getConf().getPredicate();
      // get list of columns used in the filter
      List<String> cl = condn.getCols();
      // merge it with the downstream col list
      List<String> filterOpPrunedColLists = Utilities.mergeUniqElems(cppCtx.genColLists(op), cl);
      List<String> filterOpPrunedColListsOrderPreserved = preserveColumnOrder(op,
          filterOpPrunedColLists);
      cppCtx.getPrunedColLists().put(op,
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