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

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

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        return null;
      }

      if (expr.getType() == HiveParser.TOK_ALLCOLREF) {
        RowResolver input = ctx.getInputRR();
        ExprNodeColumnListDesc columnList = new ExprNodeColumnListDesc();
        assert expr.getChildCount() <= 1;
        if (expr.getChildCount() == 1) {
          // table aliased (select a.*, for example)
          ASTNode child = (ASTNode) expr.getChild(0);
          assert child.getType() == HiveParser.TOK_TABNAME;
          assert child.getChildCount() == 1;
          String tableAlias = BaseSemanticAnalyzer.unescapeIdentifier(child.getChild(0).getText());
          HashMap<String, ColumnInfo> columns = input.getFieldMap(tableAlias);
          if (columns == null) {
            throw new SemanticException(ErrorMsg.INVALID_TABLE_ALIAS.getMsg(child));
          }
          for (Map.Entry<String, ColumnInfo> colMap : columns.entrySet()) {
            ColumnInfo colInfo = colMap.getValue();
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        } else {
          // all columns (select *, for example)
          for (ColumnInfo colInfo : input.getColumnInfos()) {
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        }
        return columnList;
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        return null;
      }

      if (expr.getType() == HiveParser.TOK_ALLCOLREF) {
        RowResolver input = ctx.getInputRR();
        ExprNodeColumnListDesc columnList = new ExprNodeColumnListDesc();
        assert expr.getChildCount() <= 1;
        if (expr.getChildCount() == 1) {
          // table aliased (select a.*, for example)
          ASTNode child = (ASTNode) expr.getChild(0);
          assert child.getType() == HiveParser.TOK_TABNAME;
          assert child.getChildCount() == 1;
          String tableAlias = BaseSemanticAnalyzer.unescapeIdentifier(child.getChild(0).getText());
          HashMap<String, ColumnInfo> columns = input.getFieldMap(tableAlias);
          if (columns == null) {
            throw new SemanticException(ErrorMsg.INVALID_TABLE_ALIAS.getMsg(child));
          }
          for (Map.Entry<String, ColumnInfo> colMap : columns.entrySet()) {
            ColumnInfo colInfo = colMap.getValue();
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        } else {
          // all columns (select *, for example)
          for (ColumnInfo colInfo : input.getColumnInfos()) {
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        }
        return columnList;
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      colType = "null";
      numNulls = numRows;
    } else if (end instanceof ExprNodeColumnListDesc) {

      // column list
      ExprNodeColumnListDesc encd = (ExprNodeColumnListDesc) end;
      colName = Joiner.on(",").join(encd.getCols());
      colType = "array";
      countDistincts = numRows;
      oi = encd.getWritableObjectInspector();
    } else if (end instanceof ExprNodeFieldDesc) {

      // field within complex type
      ExprNodeFieldDesc enfd = (ExprNodeFieldDesc) end;
      colName = enfd.getFieldName();
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          throw new SemanticException(SemanticAnalyzer.generateErrorMessage(expr,
              ErrorMsg.INVALID_COLUMN
                  .getMsg("All column reference is not supported in the context")));

        RowResolver input = ctx.getInputRR();
        ExprNodeColumnListDesc columnList = new ExprNodeColumnListDesc();
        assert expr.getChildCount() <= 1;
        if (expr.getChildCount() == 1) {
          // table aliased (select a.*, for example)
          ASTNode child = (ASTNode) expr.getChild(0);
          assert child.getType() == HiveParser.TOK_TABNAME;
          assert child.getChildCount() == 1;
          String tableAlias = BaseSemanticAnalyzer.unescapeIdentifier(child.getChild(0).getText());
          HashMap<String, ColumnInfo> columns = input.getFieldMap(tableAlias);
          if (columns == null) {
            throw new SemanticException(ErrorMsg.INVALID_TABLE_ALIAS.getMsg(child));
          }
          for (Map.Entry<String, ColumnInfo> colMap : columns.entrySet()) {
            ColumnInfo colInfo = colMap.getValue();
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        } else {
          // all columns (select *, for example)
          for (ColumnInfo colInfo : input.getColumnInfos()) {
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        }
        return columnList;
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        return null;
      }

      if (expr.getType() == HiveParser.TOK_ALLCOLREF) {
        RowResolver input = ctx.getInputRR();
        ExprNodeColumnListDesc columnList = new ExprNodeColumnListDesc();
        assert expr.getChildCount() <= 1;
        if (expr.getChildCount() == 1) {
          // table aliased (select a.*, for example)
          ASTNode child = (ASTNode) expr.getChild(0);
          assert child.getType() == HiveParser.TOK_TABNAME;
          assert child.getChildCount() == 1;
          String tableAlias = BaseSemanticAnalyzer.unescapeIdentifier(child.getChild(0).getText());
          HashMap<String, ColumnInfo> columns = input.getFieldMap(tableAlias);
          if (columns == null) {
            throw new SemanticException(ErrorMsg.INVALID_TABLE_ALIAS.getMsg(child));
          }
          for (Map.Entry<String, ColumnInfo> colMap : columns.entrySet()) {
            ColumnInfo colInfo = colMap.getValue();
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        } else {
          // all columns (select *, for example)
          for (ColumnInfo colInfo : input.getColumnInfos()) {
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        }
        return columnList;
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        return null;
      }

      if (expr.getType() == HiveParser.TOK_ALLCOLREF) {
        RowResolver input = ctx.getInputRR();
        ExprNodeColumnListDesc columnList = new ExprNodeColumnListDesc();
        assert expr.getChildCount() <= 1;
        if (expr.getChildCount() == 1) {
          // table aliased (select a.*, for example)
          ASTNode child = (ASTNode) expr.getChild(0);
          assert child.getType() == HiveParser.TOK_TABNAME;
          assert child.getChildCount() == 1;
          String tableAlias = BaseSemanticAnalyzer.unescapeIdentifier(child.getChild(0).getText());
          HashMap<String, ColumnInfo> columns = input.getFieldMap(tableAlias);
          if (columns == null) {
            throw new SemanticException(ErrorMsg.INVALID_TABLE_ALIAS.getMsg(child));
          }
          for (Map.Entry<String, ColumnInfo> colMap : columns.entrySet()) {
            ColumnInfo colInfo = colMap.getValue();
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        } else {
          // all columns (select *, for example)
          for (ColumnInfo colInfo : input.getColumnInfos()) {
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        }
        return columnList;
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        return null;
      }

      if (expr.getType() == HiveParser.TOK_ALLCOLREF) {
        RowResolver input = ctx.getInputRR();
        ExprNodeColumnListDesc columnList = new ExprNodeColumnListDesc();
        assert expr.getChildCount() <= 1;
        if (expr.getChildCount() == 1) {
          // table aliased (select a.*, for example)
          ASTNode child = (ASTNode) expr.getChild(0);
          assert child.getType() == HiveParser.TOK_TABNAME;
          assert child.getChildCount() == 1;
          String tableAlias = BaseSemanticAnalyzer.unescapeIdentifier(child.getChild(0).getText());
          HashMap<String, ColumnInfo> columns = input.getFieldMap(tableAlias);
          if (columns == null) {
            throw new SemanticException(ErrorMsg.INVALID_TABLE_ALIAS.getMsg(child));
          }
          for (Map.Entry<String, ColumnInfo> colMap : columns.entrySet()) {
            ColumnInfo colInfo = colMap.getValue();
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        } else {
          // all columns (select *, for example)
          for (ColumnInfo colInfo : input.getColumnInfos()) {
            if (!colInfo.getIsVirtualCol()) {
              columnList.addColumn(new ExprNodeColumnDesc(colInfo.getType(),
                  colInfo.getInternalName(), colInfo.getTabAlias(), false));
            }
          }
        }
        return columnList;
View Full Code Here
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Related Classes of org.apache.hadoop.hive.ql.plan.ExprNodeColumnListDesc

  • org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor
  • org.apache.hadoop.hive.ql.stats.StatsUtils
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