ramitg254 commented on code in PR #6089:
URL: https://github.com/apache/hive/pull/6089#discussion_r2633995211
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/MetaStoreDirectSql.java:
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@@ -2029,65 +2064,48 @@ private List<ColumnStatisticsObj> aggrStatsUseDB(String
catName, String dbName,
+ " inner join " + TBLS + " on " + PARTITIONS + ".\"TBL_ID\" = " +
TBLS + ".\"TBL_ID\""
+ " inner join " + DBS + " on " + TBLS + ".\"DB_ID\" = " + DBS +
".\"DB_ID\""
+ " where " + DBS + ".\"CTLG_NAME\" = ? and " + DBS + ".\"NAME\" = ?
and " + TBLS + ".\"TBL_NAME\" = ? "
- + " and " + PART_COL_STATS + ".\"COLUMN_NAME\" in (" +
makeParams(colNames.size()) + ")"
- + " and " + PARTITIONS + ".\"PART_NAME\" in (" +
makeParams(partNames.size()) + ")"
+ + " and " + PART_COL_STATS + ".\"COLUMN_NAME\" in (%1$s)"
+ + " and " + PARTITIONS + ".\"PART_NAME\" in (%2$s)"
+ " and " + PART_COL_STATS + ".\"ENGINE\" = ? "
+ " group by " + PART_COL_STATS + ".\"COLUMN_NAME\", " +
PART_COL_STATS + ".\"COLUMN_TYPE\"";
Review Comment:
also this else branch of `areAllPartsFound` should not be removed as it is
helpful in cases when statistics are computed before and some new partitions
are added later on so some partition stats will be missing in that we will need
this branch for that.
I have added the test case `testMissingPartsStatsAggrWithBackendDB` for this
scenario in `TestObjectStore.java` as well
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