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Posted to commits@kyuubi.apache.org by bo...@apache.org on 2023/07/28 00:22:46 UTC

[kyuubi] branch master updated: [KYUUBI #5101] [MINOR] Remove unused StringBuilders in ResultSets

This is an automated email from the ASF dual-hosted git repository.

bowenliang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/kyuubi.git


The following commit(s) were added to refs/heads/master by this push:
     new b2ddef199 [KYUUBI #5101] [MINOR] Remove unused StringBuilders in ResultSets
b2ddef199 is described below

commit b2ddef1996c554026b22931ce4697f6052108606
Author: liangbowen <li...@gf.com.cn>
AuthorDate: Fri Jul 28 08:22:30 2023 +0800

    [KYUUBI #5101] [MINOR] Remove unused StringBuilders in ResultSets
    
    ### _Why are the changes needed?_
    
    - remove 2 unused string builders in `KyuubiQueryResultSet` and `KyuubiArrowQueryResultSet`, which are only appended separator only and never queried again
    
    ### _How was this patch tested?_
    - [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
    
    - [ ] Add screenshots for manual tests if appropriate
    
    - [ ] [Run test](https://kyuubi.readthedocs.io/en/master/contributing/code/testing.html#running-tests) locally before make a pull request
    
    Closes #5101 from bowenliang123/unused-sb.
    
    Closes #5101
    
    ccb6fb77d [liangbowen] remove never queried StringBuilders
    
    Authored-by: liangbowen <li...@gf.com.cn>
    Signed-off-by: liangbowen <li...@gf.com.cn>
---
 .../org/apache/kyuubi/jdbc/hive/KyuubiArrowQueryResultSet.java     | 7 -------
 .../java/org/apache/kyuubi/jdbc/hive/KyuubiQueryResultSet.java     | 7 -------
 2 files changed, 14 deletions(-)

diff --git a/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiArrowQueryResultSet.java b/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiArrowQueryResultSet.java
index fda70f463..54491b2d6 100644
--- a/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiArrowQueryResultSet.java
+++ b/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiArrowQueryResultSet.java
@@ -250,9 +250,6 @@ public class KyuubiArrowQueryResultSet extends KyuubiArrowBasedResultSet {
       metadataResp = client.GetResultSetMetadata(metadataReq);
       Utils.verifySuccess(metadataResp.getStatus());
 
-      StringBuilder namesSb = new StringBuilder();
-      StringBuilder typesSb = new StringBuilder();
-
       TTableSchema schema = metadataResp.getSchema();
       if (schema == null || !schema.isSetColumns()) {
         // TODO: should probably throw an exception here.
@@ -262,10 +259,6 @@ public class KyuubiArrowQueryResultSet extends KyuubiArrowBasedResultSet {
 
       List<TColumnDesc> columns = schema.getColumns();
       for (int pos = 0; pos < schema.getColumnsSize(); pos++) {
-        if (pos != 0) {
-          namesSb.append(",");
-          typesSb.append(",");
-        }
         String columnName = columns.get(pos).getColumnName();
         columnNames.add(columnName);
         normalizedColumnNames.add(columnName.toLowerCase());
diff --git a/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiQueryResultSet.java b/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiQueryResultSet.java
index f06ada5d4..82ea74a01 100644
--- a/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiQueryResultSet.java
+++ b/kyuubi-hive-jdbc/src/main/java/org/apache/kyuubi/jdbc/hive/KyuubiQueryResultSet.java
@@ -223,9 +223,6 @@ public class KyuubiQueryResultSet extends KyuubiBaseResultSet {
       metadataResp = client.GetResultSetMetadata(metadataReq);
       Utils.verifySuccess(metadataResp.getStatus());
 
-      StringBuilder namesSb = new StringBuilder();
-      StringBuilder typesSb = new StringBuilder();
-
       TTableSchema schema = metadataResp.getSchema();
       if (schema == null || !schema.isSetColumns()) {
         // TODO: should probably throw an exception here.
@@ -235,10 +232,6 @@ public class KyuubiQueryResultSet extends KyuubiBaseResultSet {
 
       List<TColumnDesc> columns = schema.getColumns();
       for (int pos = 0; pos < schema.getColumnsSize(); pos++) {
-        if (pos != 0) {
-          namesSb.append(",");
-          typesSb.append(",");
-        }
         String columnName = columns.get(pos).getColumnName();
         columnNames.add(columnName);
         normalizedColumnNames.add(columnName.toLowerCase());