dengzhhu653 commented on code in PR #6089:
URL: https://github.com/apache/hive/pull/6089#discussion_r2634019511
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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:
This method aggregates the column stats for `partNames`, this is known
beforehand, why do we should take account of the "new partitions"?
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