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From "ASF GitHub Bot (Jira)" <>
Subject [jira] [Work logged] (HIVE-23266) Remove QueryWrapper from ObjectStore
Date Thu, 11 Jun 2020 16:19:00 GMT


ASF GitHub Bot logged work on HIVE-23266:

                Author: ASF GitHub Bot
            Created on: 11/Jun/20 16:18
            Start Date: 11/Jun/20 16:18
    Worklog Time Spent: 10m 
      Work Description: belugabehr commented on a change in pull request #1078:

File path: standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/
@@ -7109,22 +7121,37 @@ protected String describeResult() {
-  public List<HiveObjectPrivilege> listPrincipalDBGrantsAll(
-      String principalName, PrincipalType principalType) {
-    try (QueryWrapper queryWrapper = new QueryWrapper()) {
-      return convertDB(listPrincipalAllDBGrant(principalName, principalType, queryWrapper));
+  public List<HiveObjectPrivilege> listPrincipalDBGrantsAll(String principalName, PrincipalType
principalType) {
+    List<HiveObjectPrivilege> results = Collections.emptyList();
+    try {
+      openTransaction();
+      results = convertDB(listPrincipalAllDBGrant(principalName, principalType));
+      commitTransaction();
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    } finally {
+      rollbackAndCleanup(true, null);

Review comment:
       @dengzhhu653 OK, I am following you now.  I will address this is new push.  Thanks
so much.
   This whole setup is pretty wonky (hence my inspiration to simplify the Query close stuff
in this PR) and I'd like to address, but in another JIRA.

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Issue Time Tracking

    Worklog Id:     (was: 444374)
    Time Spent: 2h 10m  (was: 2h)

> Remove QueryWrapper from ObjectStore
> ------------------------------------
>                 Key: HIVE-23266
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: David Mollitor
>            Assignee: David Mollitor
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-23266.1.patch, HIVE-23266.10.patch, HIVE-23266.11.patch, HIVE-23266.2.patch,
HIVE-23266.2.patch, HIVE-23266.3.patch, HIVE-23266.4.patch, HIVE-23266.5.patch, HIVE-23266.6.patch,
HIVE-23266.7.patch, HIVE-23266.8.patch, HIVE-23266.9.patch
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
> There is currently a utility called {{QueryWrapper}} that makes a normal {{Query}} auto-closable.
 However, {{Query}} is now in fact already auto-closing, so there is no need for this class.
 In trying to remove it, I realized that this wrapper was being passed around in pretty convoluted
ways and also it was sometimes being created in a {{try-with-resources}} block but then never
actually used in any way.
> Remove the {{QueryWrapper}} from the class and simplify some of the DB interactions.

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