[jira] [Created] (HIVE-12645) ConstantPropagateProcCtx.resolve() should use internal names instead of alias to match 2 columns from different row schemas

[Hari Sankar Sivarama Subramaniyan (JIRA)]

Hari Sankar Sivarama Subramaniyan created HIVE-12645:
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             Summary: ConstantPropagateProcCtx.resolve() should use internal 
names instead of alias to match 2 columns from different row schemas 
                 Key: HIVE-12645
                 URL: https://issues.apache.org/jira/browse/HIVE-12645
             Project: Hive
          Issue Type: Bug
            Reporter: Hari Sankar Sivarama Subramaniyan
            Assignee: Hari Sankar Sivarama Subramaniyan


Currently, it seems that we look to match the ColumnInfo between the parent and 
the child rowschemas by calling rci = rs.getColumnInfo(tblAlias, alias) which 
might be a bit aggressive. i.e. we will lose opportunity to constant propogate 
even if the columns are the same but the alias in the rowschemas do not match.





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