wecharyu commented on code in PR #5198:
URL: https://github.com/apache/hive/pull/5198#discussion_r1582852286


##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java:
##########
@@ -7350,6 +7346,25 @@ public PartitionsByExprResult get_partitions_by_expr(
     return ret;
   }
 
+  private PartitionsByExprResult get_partitions_by_expr_internal(
+      String catName, String dbName, String tblName, GetPartitionsArgs args) 
throws TException {
+    List<Partition> partitions = new LinkedList<>();
+    boolean hasUnknownPartitions = false;
+    RawStore rs = getMS();
+    if (isPartitionLimitEnabled()) {
+      // Since partition limit is configured, we need fetch at most (limit + 
1) partition names
+      int partitionLimit = MetastoreConf.getIntVar(conf, 
ConfVars.LIMIT_PARTITION_REQUEST);
+      int max = args.getMax() < 0 ? partitionLimit + 1 : 
Math.min(args.getMax(), partitionLimit + 1);
+      List<String> partNames = rs.listPartitionNames(catName, dbName, tblName, 
args.getDefaultPartName(), args.getExpr(), null, (short) max);

Review Comment:
   Make sense, and it's a compatible change.



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