[GitHub] [hive] TuroczyX commented on a diff in pull request #4238: HIVE-27266: Retrieve only partNames if not need drop data in HMSHandler.dropPartitionsAndGetLocations

["TuroczyX (via GitHub)" <gi...@apache.org>]

TuroczyX commented on code in PR #4238:
URL: https://github.com/apache/hive/pull/4238#discussion_r1167197968


##########
standalone-metastore/metastore-tools/metastore-benchmarks/src/main/java/org/apache/hadoop/hive/metastore/tools/HMSBenchmarks.java:
##########
@@ -123,6 +123,31 @@ static DescriptiveStatistics benchmarkDeleteWithPartitions(@NotNull MicroBenchma
         null);
   }
 
+  static DescriptiveStatistics benchmarkDeleteMetaOnlyWithPartitions(@NotNull MicroBenchmark bench,
+                                                                        @NotNull BenchData data,
+                                                                        int howMany,
+                                                                        int nparams) {
+    final HMSClient client = data.getClient();
+    String dbName = data.dbName;
+    String tableName = data.tableName;
+
+    // Create many parameters
+    Map<String, String> parameters = new HashMap<>(nparams);
+    for (int i = 0; i < nparams; i++) {
+      parameters.put(PARAM_KEY + i, PARAM_VALUE + i);
+    }
+
+    return bench.measure(
+            () -> throwingSupplierWrapper(() -> {
+              BenchmarkUtils.createPartitionedTable(client, dbName, tableName);
+              addManyPartitions(client, dbName, tableName, parameters,
+                      Collections.singletonList("d"), howMany);

Review Comment:
   Sorry for asking dumb question. What this "d" means in the Collection.singleonList?



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