maheshk114 commented on a change in pull request #541: HIVE-21197 : Hive
Replication can add duplicate data during migration to a target with
hive.strict.managed.tables enabled
URL: https://github.com/apache/hive/pull/541#discussion_r259310718
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/parse/ImportSemanticAnalyzer.java
##########
@@ -1147,6 +1145,12 @@ private static void createReplImportTasks(
if (!waitOnPrecursor){
throw new
SemanticException(ErrorMsg.DATABASE_NOT_EXISTS.getMsg(tblDesc.getDatabaseName()));
}
+ // For warehouse level replication, if the database itself is getting
created in this load, then no need to
+ // check for duplicate copy. Check HIVE-21197 for more detail.
+ firstIncDone = true;
Review comment:
if check was already thread and ternary will not give any perf advantage
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