deniskuzZ commented on code in PR #5617:
URL: https://github.com/apache/hive/pull/5617#discussion_r1938329126
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hcatalog/server-extensions/src/main/java/org/apache/hive/hcatalog/listener/DbNotificationListener.java:
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@@ -1205,7 +1205,7 @@ private void
addWriteNotificationLog(List<NotificationEvent> eventBatch, List<Ac
String select = sqlGenerator.addForUpdateClause("select \"WNL_ID\",
\"WNL_FILES\" from" +
" \"TXN_WRITE_NOTIFICATION_LOG\" " +
"where \"WNL_DATABASE\" = ? " +
- "and \"WNL_TABLE\" = ? " + " and \"WNL_PARTITION\" = ? " +
+ "and \"WNL_TABLE\" = ? " + " and (\"WNL_PARTITION\" = ? OR
\"WNL_PARTITION\" IS NULL) " +
Review Comment:
1. why would we get an empty string ('') as partition name?
2. what if we have an empty partition and a non-empty, you'll lock and
update both?
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