zabetak commented on a change in pull request #2742:
URL: https://github.com/apache/hive/pull/2742#discussion_r737525094



##########
File path: 
itests/util/src/main/java/org/apache/hadoop/hive/ql/externalDB/AbstractExternalDB.java
##########
@@ -71,27 +59,8 @@ public ProcessResults(String stdout, String stderr, int rc) {
         }
     }
 
-    public static AbstractExternalDB initalizeExternalDB(String 
externalDBType) throws IOException {
-        AbstractExternalDB abstractExternalDB;
-        switch (externalDBType) {
-            case "mysql":
-                abstractExternalDB = new MySQLExternalDB();
-                break;
-            case "postgres":
-                abstractExternalDB = new PostgresExternalDB();
-                break;
-            default:
-                throw new IOException("unsupported external database type " + 
externalDBType);
-        }
-        return abstractExternalDB;
-    }
-
-    public AbstractExternalDB(String externalDBType) {
-        this.externalDBType = externalDBType;
-    }
-
-    protected String getDockerContainerName() {
-        return String.format("qtestExternalDB-%s", externalDBType);
+    private final String getDockerContainerName() {

Review comment:
       There are indeed many similarities with the classes in `DatabaseRule` 
although the latter contain additional code related to setting up and using a 
Hive metastore. I do agree that a refactoring needs to be done but maybe it 
would be better to leave it out of this change and treat it in a follow-up. 
What do you think?




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