sankarh commented on a change in pull request #788: HIVE-22234 : Hive
replication fails with table already exist error when replicating from old
version of hive.
URL: https://github.com/apache/hive/pull/788#discussion_r328016580
##########
File path:
standalone-metastore/metastore-common/src/main/thrift/hive_metastore.thrift
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@@ -592,7 +592,7 @@ struct ColumnStatistics {
2: required list<ColumnStatisticsObj> statsObj,
3: optional bool isStatsCompliant, // Are the stats isolation-level-compliant
with the
// the calling query?
-4: required string engine
+4: optional string engine
Review comment:
Why don't we keep it required and set the default engine (Hive) if metadata
doesn't have it?
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