soumyakanti3578 commented on a change in pull request #2163:
URL: https://github.com/apache/hive/pull/2163#discussion_r611723223
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File path: ql/src/test/results/clientpositive/llap/compare_cols_null.q.out
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@@ -121,6 +126,7 @@ POSTHOOK: query: select * from ccn_table where key <=>
'123a'
POSTHOOK: type: QUERY
POSTHOOK: Input: default@ccn_table
#### A masked pattern was here ####
+NULL t1
Review comment:
Yes, before this patch, the queries with `<=>` didn't return any
results! Although the explain plan did return an output.
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