dengzhhu653 commented on code in PR #4995:
URL: https://github.com/apache/hive/pull/4995#discussion_r1448877072
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/DirectSqlUpdatePart.java:
##########
@@ -181,7 +182,7 @@ private void populateInsertUpdateMap(Map<PartitionInfo,
ColumnStatistics> statsP
e -> e.partitionId).collect(Collectors.toList()
);
- prefix.append("select \"PART_ID\", \"COLUMN_NAME\" from \"PART_COL_STATS\"
WHERE ");
+ prefix.append("select \"PART_ID\", \"COLUMN_NAME\", \"ENGINE\" from
\"PART_COL_STATS\" WHERE ");
Review Comment:
It could be possible,
https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L10130
in the above example, we use different engines to fetch the statistics with
the same partition and column.
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