gourabtaparia commented on code in PR #1534:
URL: https://github.com/apache/phoenix/pull/1534#discussion_r1048091082


##########
phoenix-core/src/main/java/org/apache/phoenix/query/ConnectionQueryServicesImpl.java:
##########
@@ -4373,10 +4380,39 @@ private PhoenixConnection upgradeSystemSequence(
             } else {
                 nSequenceSaltBuckets = getSaltBuckets(e);
             }
+
+            updateSystemSequenceWithCacheOnWriteProps(metaConnection);
         }
         return metaConnection;
     }
 
+    private void updateSystemSequenceWithCacheOnWriteProps(PhoenixConnection 
metaConnection) throws
+        IOException, SQLException {
+
+        try (Admin admin = getAdmin()) {
+            PTable pTable = PhoenixRuntime.getTable(metaConnection,
+                PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME);
+            TableDescriptor oldTD = admin.getDescriptor(
+                
SchemaUtil.getPhysicalTableName(PhoenixDatabaseMetaData.SYSTEM_SEQUENCE_NAME,
+                    metaConnection.getQueryServices().getProps()));
+            ColumnFamilyDescriptor oldCf = oldTD.getColumnFamily(
+                SchemaUtil.getEmptyColumnFamily(pTable));
+
+            // If the CacheOnWrite related properties are not set, lets set 
them.
+            if (!oldCf.isCacheDataOnWrite()) {

Review Comment:
   Sounds good. Will make the change.



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