deniskuzZ commented on code in PR #5015:
URL: https://github.com/apache/hive/pull/5015#discussion_r1457241584
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/SharedWorkOptimizer.java:
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@@ -650,7 +650,8 @@ protected void mergeSchema(TableScanOperator
discardableTsOp, TableScanOperator
private static boolean compatibleSchema(TableScanOperator tsOp1,
TableScanOperator tsOp2) {
return tsOp1.getNeededColumns().equals(tsOp2.getNeededColumns())
- && tsOp1.getNeededColumnIDs().equals(tsOp2.getNeededColumnIDs());
+ && tsOp1.getNeededColumnIDs().equals(tsOp2.getNeededColumnIDs())
+ &&
tsOp1.getConf().getVirtualCols().equals(tsOp2.getConf().getVirtualCols());
Review Comment:
is it possible to get NULLs here?
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