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

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

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      }
    }

    ExprNodeDesc equalsExpr = null;
    {
      ExprNodeDesc hashfnExpr = new ExprNodeGenericFuncDesc(
          TypeInfoFactory.intTypeInfo, new GenericUDFHash(), args);
      assert (hashfnExpr != null);
      LOG.info("hashfnExpr = " + hashfnExpr);
      ExprNodeDesc andExpr = TypeCheckProcFactory.DefaultExprProcessor
          .getFuncExprNodeDesc("&", hashfnExpr, intMaxExpr);
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  private FilterDesc getTestFilterDesc(String column) {
    ArrayList<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>();
    children1.add(new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo,
        column, "", false));
    ExprNodeDesc lhs = new ExprNodeGenericFuncDesc(
        TypeInfoFactory.doubleTypeInfo, FunctionRegistry.getFunctionInfo(
        Constants.DOUBLE_TYPE_NAME).getGenericUDF(), children1);

    ArrayList<ExprNodeDesc> children2 = new ArrayList<ExprNodeDesc>();
    children2.add(new ExprNodeConstantDesc(TypeInfoFactory.longTypeInfo, Long
        .valueOf(100)));
    ExprNodeDesc rhs = new ExprNodeGenericFuncDesc(
        TypeInfoFactory.doubleTypeInfo, FunctionRegistry.getFunctionInfo(
        Constants.DOUBLE_TYPE_NAME).getGenericUDF(), children2);

    ArrayList<ExprNodeDesc> children3 = new ArrayList<ExprNodeDesc>();
    children3.add(lhs);
    children3.add(rhs);

    ExprNodeDesc desc = new ExprNodeGenericFuncDesc(
        TypeInfoFactory.booleanTypeInfo, FunctionRegistry.getFunctionInfo("<")
        .getGenericUDF(), children3);

    return new FilterDesc(desc, false);
  }
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                  ErrorMsg.INVALID_ARRAYINDEX_CONSTANT.getMsg()));
          }

          // Calculate TypeInfo
          TypeInfo t = ((ListTypeInfo) myt).getListElementTypeInfo();
          desc = new ExprNodeGenericFuncDesc(t, FunctionRegistry
              .getGenericUDFForIndex(), children);
        } else if (myt.getCategory() == Category.MAP) {
          // Only allow constant map key for now
          if (!(children.get(1) instanceof ExprNodeConstantDesc)) {
            throw new SemanticException(SemanticAnalyzer.generateErrorMessage(
                  expr,
                  ErrorMsg.INVALID_MAPINDEX_CONSTANT.getMsg()));
          }
          if (!(((ExprNodeConstantDesc) children.get(1)).getTypeInfo()
              .equals(((MapTypeInfo) myt).getMapKeyTypeInfo()))) {
            throw new SemanticException(ErrorMsg.INVALID_MAPINDEX_TYPE
                .getMsg(expr));
          }
          // Calculate TypeInfo
          TypeInfo t = ((MapTypeInfo) myt).getMapValueTypeInfo();
          desc = new ExprNodeGenericFuncDesc(t, FunctionRegistry
              .getGenericUDFForIndex(), children);
        } else {
          throw new SemanticException(ErrorMsg.NON_COLLECTION_TYPE.getMsg(expr,
              myt.getTypeName()));
        }
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   */
  private static Class<? extends GenericUDF> getGenericUDFClassFromExprDesc(ExprNodeDesc desc) {
    if (!(desc instanceof ExprNodeGenericFuncDesc)) {
      return null;
    }
    ExprNodeGenericFuncDesc genericFuncDesc = (ExprNodeGenericFuncDesc) desc;
    return genericFuncDesc.getGenericUDF().getClass();
  }
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     } else {
        return "Column " + expr.getExprString() + " is not string "
          + (isIntegralSupported ? "or integral ": "") + "type: " + type.getTypeName();
     }
    } else if (expr instanceof ExprNodeGenericFuncDesc) {
      ExprNodeGenericFuncDesc funcDesc = (ExprNodeGenericFuncDesc) expr;
      GenericUDF func = funcDesc.getGenericUDF();
      if (!supportedJDOFuncs(func)) {
        return "Expression " + expr.getExprString() + " cannot be evaluated";
      }
      boolean allChildrenConstant = true;
      List<ExprNodeDesc> children = funcDesc.getChildExprs();
      for (ExprNodeDesc child: children) {
        if (!(child instanceof ExprNodeConstantDesc)) {
          allChildrenConstant = false;
        }
        String message = checkJDOPushDown(tab, child, func);
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   */
  private static Class<? extends UDF> getUDFClassFromExprDesc(ExprNodeDesc desc) {
    if (!(desc instanceof ExprNodeGenericFuncDesc)) {
      return null;
    }
    ExprNodeGenericFuncDesc genericFuncDesc = (ExprNodeGenericFuncDesc) desc;
    if (!(genericFuncDesc.getGenericUDF() instanceof GenericUDFBridge)) {
      return null;
    }
    GenericUDFBridge bridge = (GenericUDFBridge) (genericFuncDesc
        .getGenericUDF());
    return bridge.getUdfClass();
  }
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        GenericUDFOPOr or = new GenericUDFOPOr();
        List<ExprNodeDesc> expressions = new ArrayList<ExprNodeDesc>(2);
        expressions.add(previous);
        expressions.add(current);
        ExprNodeDesc orExpr =
            new ExprNodeGenericFuncDesc(TypeInfoFactory.booleanTypeInfo, or, expressions);
        previous = orExpr;
      } else {
        // If an expression does not have a where clause, there can be no common filter
        previous = null;
        break;
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      colNamesExprs.add(((ExprNodeColumnDesc) exprNode).getColumn());
      return;
    }

    if (exprNode instanceof ExprNodeGenericFuncDesc) {
      ExprNodeGenericFuncDesc funcDesc = (ExprNodeGenericFuncDesc) exprNode;
      for (ExprNodeDesc childExpr : funcDesc.getChildExprs()) {
        extractColumns(colNamesExprs, childExpr);
      }
    }
  }
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      }
    }

    ExprNodeDesc equalsExpr = null;
    {
      ExprNodeDesc hashfnExpr = new ExprNodeGenericFuncDesc(
          TypeInfoFactory.intTypeInfo, new GenericUDFHash(), args);
      assert (hashfnExpr != null);
      LOG.info("hashfnExpr = " + hashfnExpr);
      ExprNodeDesc andExpr = TypeCheckProcFactory.DefaultExprProcessor
          .getFuncExprNodeDesc("&", hashfnExpr, intMaxExpr);
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  private FilterDesc getTestFilterDesc(String column) {
    ArrayList<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>();
    children1.add(new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo,
        column, "", false));
    ExprNodeDesc lhs = new ExprNodeGenericFuncDesc(
        TypeInfoFactory.doubleTypeInfo, FunctionRegistry.getFunctionInfo(
        serdeConstants.DOUBLE_TYPE_NAME).getGenericUDF(), children1);

    ArrayList<ExprNodeDesc> children2 = new ArrayList<ExprNodeDesc>();
    children2.add(new ExprNodeConstantDesc(TypeInfoFactory.longTypeInfo, Long
        .valueOf(100)));
    ExprNodeDesc rhs = new ExprNodeGenericFuncDesc(
        TypeInfoFactory.doubleTypeInfo, FunctionRegistry.getFunctionInfo(
        serdeConstants.DOUBLE_TYPE_NAME).getGenericUDF(), children2);

    ArrayList<ExprNodeDesc> children3 = new ArrayList<ExprNodeDesc>();
    children3.add(lhs);
    children3.add(rhs);

    ExprNodeDesc desc = new ExprNodeGenericFuncDesc(
        TypeInfoFactory.booleanTypeInfo, FunctionRegistry.getFunctionInfo("<")
        .getGenericUDF(), children3);

    return new FilterDesc(desc, false);
  }
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