kgyrtkirk commented on a change in pull request #1286:
URL: https://github.com/apache/hive/pull/1286#discussion_r569552909
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/OperatorUtils.java
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@@ -654,11 +655,18 @@ public static String findTableColNameOf(Operator<?>
start, String internalColNam
continue;
}
// If columnName is the output of a ColumnExpr get the original
columnName from the Expr Map
- if (currentOp.getColumnExprMap() != null &&
currentOp.getColumnExprMap().containsKey(internalColName)
- && currentOp.getColumnExprMap().get(internalColName) instanceof
ExprNodeColumnDesc) {
- internalColName = ((ExprNodeColumnDesc)
currentOp.getColumnExprMap().get(internalColName)).getColumn();
Review comment:
the old code also has similar issues
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