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Posted to notifications@shardingsphere.apache.org by zh...@apache.org on 2022/11/12 04:27:51 UTC

[shardingsphere] branch master updated: Rename transaction test variable names (#22096)

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

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


The following commit(s) were added to refs/heads/master by this push:
     new 55a79ee80eb Rename transaction test variable names (#22096)
55a79ee80eb is described below

commit 55a79ee80eb3a7f7e4e81fd7bda8285a2951cf62
Author: ZhangCheng <fl...@outlook.com>
AuthorDate: Sat Nov 12 12:27:43 2022 +0800

    Rename transaction test variable names (#22096)
---
 .../cases/alterresource/AddResourceTestCase.java   |  44 +++---
 .../cases/alterresource/CloseResourceTestCase.java |  42 +++---
 .../cases/autocommit/MySQLAutoCommitTestCase.java  |  20 +--
 .../autocommit/PostgresSQLAutoCommitTestCase.java  |  18 +--
 .../cases/base/BaseTransactionTestCase.java        |  30 ++---
 .../BroadcastTableTransactionTestCase.java         |  34 ++---
 .../ExceptionInTransactionTestCase.java            |  22 +--
 .../MultiOperationsCommitAndRollbackTestCase.java  |  48 +++----
 .../MultiTableCommitAndRollbackTestCase.java       |  40 +++---
 .../SingleTableCommitAndRollbackTestCase.java      |  32 ++---
 .../cases/cursor/OpenGaussCursorTestCase.java      | 150 ++++++++++-----------
 .../cases/nested/NestedTransactionTestCase.java    |  22 +--
 .../cases/readonly/MySQLSetReadOnlyTestCase.java   |  12 +-
 .../readonly/PostgreSQLSetReadOnlyTestCase.java    |  12 +-
 .../cases/readonly/SetReadOnlyTestCase.java        |  12 +-
 .../savepoint/OpenGaussSavePointTestCase.java      |   8 +-
 .../savepoint/PostgreSQLSavePointTestCase.java     |   8 +-
 .../cases/truncate/MySQLLocalTruncateTestCase.java |  40 +++---
 .../cases/truncate/MySQLXATruncateTestCase.java    |  20 +--
 .../PostgresSQLAndOpenGaussTruncateTestCase.java   |  44 +++---
 .../engine/constants/TransactionTestConstants.java |   2 +-
 ...nsactionIT.java => MysqlJdbcTransactionIT.java} |   6 +-
 ...sactionIT.java => MysqlProxyTransactionIT.java} |   6 +-
 ...ionIT.java => PostgresqlJdbcTransactionIT.java} |   6 +-
 ...onIT.java => PostgresqlProxyTransactionIT.java} |   6 +-
 .../env/enums/TransactionTestCaseRegistry.java     |  16 +--
 26 files changed, 350 insertions(+), 350 deletions(-)

diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/AddResourceTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/AddResourceTestCase.java
index 07b1d2f8841..2fc094adec9 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/AddResourceTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/AddResourceTestCase.java
@@ -46,13 +46,13 @@ public final class AddResourceTestCase extends BaseTransactionTestCase {
     }
     
     private void assertAddResource() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        getBaseTransactionITCase().addResource(conn, "transaction_it_2");
-        createThreeDataSourceAccountTableRule(conn);
-        reCreateAccountTable(conn);
+        Connection connection = getDataSource().getConnection();
+        getBaseTransactionITCase().addResource(connection, "transaction_it_2");
+        createThreeDataSourceAccountTableRule(connection);
+        reCreateAccountTable(connection);
         assertRollback();
         assertCommit();
-        conn.close();
+        connection.close();
     }
     
     private void createThreeDataSourceAccountTableRule(final Connection connection) throws SQLException {
@@ -62,28 +62,28 @@ public final class AddResourceTestCase extends BaseTransactionTestCase {
         assertThat(ruleCount, is(3));
     }
     
-    private void reCreateAccountTable(final Connection conn) throws SQLException {
-        getBaseTransactionITCase().dropAccountTable(conn);
-        getBaseTransactionITCase().createAccountTable(conn);
+    private void reCreateAccountTable(final Connection connection) throws SQLException {
+        getBaseTransactionITCase().dropAccountTable(connection);
+        getBaseTransactionITCase().createAccountTable(connection);
     }
     
     private void assertRollback() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        executeWithLog(conn, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 6);
-        conn.rollback();
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        executeWithLog(connection, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 6);
+        connection.rollback();
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
     }
     
     private void assertCommit() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        executeWithLog(conn, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 6);
-        conn.commit();
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 6);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        executeWithLog(connection, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 6);
+        connection.commit();
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 6);
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/CloseResourceTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/CloseResourceTestCase.java
index fde8e3adc40..d4685539f3f 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/CloseResourceTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/alterresource/CloseResourceTestCase.java
@@ -45,36 +45,36 @@ public final class CloseResourceTestCase extends BaseTransactionTestCase {
     }
     
     private void assertCloseResource() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        getBaseTransactionITCase().createOriginalAccountTableRule(conn);
-        reCreateAccountTable(conn);
+        Connection connection = getDataSource().getConnection();
+        getBaseTransactionITCase().createOriginalAccountTableRule(connection);
+        reCreateAccountTable(connection);
         assertRollback();
         assertCommit();
-        conn.close();
+        connection.close();
     }
     
-    private void reCreateAccountTable(final Connection conn) throws SQLException {
-        getBaseTransactionITCase().dropAccountTable(conn);
-        getBaseTransactionITCase().createAccountTable(conn);
+    private void reCreateAccountTable(final Connection connection) throws SQLException {
+        getBaseTransactionITCase().dropAccountTable(connection);
+        getBaseTransactionITCase().createAccountTable(connection);
     }
     
     private void assertRollback() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        executeWithLog(conn, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 6);
-        conn.rollback();
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        executeWithLog(connection, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 6);
+        connection.rollback();
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
     }
     
     private void assertCommit() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        executeWithLog(conn, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 6);
-        conn.commit();
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 6);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        executeWithLog(connection, "insert into account(id, BALANCE, TRANSACTION_ID) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6);");
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 6);
+        connection.commit();
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 6);
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/MySQLAutoCommitTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/MySQLAutoCommitTestCase.java
index 14a6efd2c78..2847c911045 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/MySQLAutoCommitTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/MySQLAutoCommitTestCase.java
@@ -47,20 +47,20 @@ public final class MySQLAutoCommitTestCase extends BaseTransactionTestCase {
     }
     
     private void assertAutoCommit() throws SQLException {
-        Connection conn1 = getDataSource().getConnection();
-        Connection conn2 = getDataSource().getConnection();
-        executeWithLog(conn1, "set session transaction isolation level read committed;");
-        executeWithLog(conn2, "set session transaction isolation level read committed;");
-        executeWithLog(conn1, "set autocommit=0;");
-        executeWithLog(conn2, "begin;");
-        executeWithLog(conn1, "insert into account(id, balance, transaction_id) values(1, 100, 1)");
-        ResultSet emptyResultSet = executeQueryWithLog(conn2, "select * from account;");
+        Connection connection1 = getDataSource().getConnection();
+        Connection connection2 = getDataSource().getConnection();
+        executeWithLog(connection1, "set session transaction isolation level read committed;");
+        executeWithLog(connection2, "set session transaction isolation level read committed;");
+        executeWithLog(connection1, "set autocommit=0;");
+        executeWithLog(connection2, "begin;");
+        executeWithLog(connection1, "insert into account(id, balance, transaction_id) values(1, 100, 1)");
+        ResultSet emptyResultSet = executeQueryWithLog(connection2, "select * from account;");
         if (emptyResultSet.next()) {
             fail("There should not be result.");
         }
-        executeWithLog(conn1, "commit;");
+        executeWithLog(connection1, "commit;");
         ThreadUtil.sleep(1, TimeUnit.SECONDS);
-        ResultSet notEmptyResultSet = executeQueryWithLog(conn2, "select * from account");
+        ResultSet notEmptyResultSet = executeQueryWithLog(connection2, "select * from account");
         if (!notEmptyResultSet.next()) {
             fail("There should be result.");
         }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/PostgresSQLAutoCommitTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/PostgresSQLAutoCommitTestCase.java
index 20b17c64c14..db7945b648f 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/PostgresSQLAutoCommitTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/autocommit/PostgresSQLAutoCommitTestCase.java
@@ -47,21 +47,21 @@ public final class PostgresSQLAutoCommitTestCase extends BaseTransactionTestCase
     }
     
     private void assertAutoCommit() throws SQLException {
-        Connection conn1 = getDataSource().getConnection();
-        Connection conn2 = getDataSource().getConnection();
-        executeWithLog(conn1, "begin;");
-        executeWithLog(conn2, "begin;");
-        executeWithLog(conn1, "insert into account(id, balance, transaction_id) values(1, 100, 1)");
-        ResultSet emptyResultSet = executeQueryWithLog(conn2, "select * from account;");
+        Connection connection1 = getDataSource().getConnection();
+        Connection connection2 = getDataSource().getConnection();
+        executeWithLog(connection1, "begin;");
+        executeWithLog(connection2, "begin;");
+        executeWithLog(connection1, "insert into account(id, balance, transaction_id) values(1, 100, 1)");
+        ResultSet emptyResultSet = executeQueryWithLog(connection2, "select * from account;");
         if (emptyResultSet.next()) {
             fail("There should not be result.");
         }
-        executeWithLog(conn1, "commit;");
+        executeWithLog(connection1, "commit;");
         ThreadUtil.sleep(1, TimeUnit.SECONDS);
-        ResultSet notEmptyResultSet = executeQueryWithLog(conn2, "select * from account");
+        ResultSet notEmptyResultSet = executeQueryWithLog(connection2, "select * from account");
         if (!notEmptyResultSet.next()) {
             fail("There should be result.");
         }
-        executeWithLog(conn2, "commit;");
+        executeWithLog(connection2, "commit;");
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/base/BaseTransactionTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/base/BaseTransactionTestCase.java
index e33bebf398c..659dc773a0e 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/base/BaseTransactionTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/base/BaseTransactionTestCase.java
@@ -59,13 +59,13 @@ public abstract class BaseTransactionTestCase {
     protected abstract void executeTest() throws SQLException;
     
     protected void beforeTest() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        executeWithLog(conn, "delete from account;");
-        executeWithLog(conn, "delete from t_order;");
-        executeWithLog(conn, "delete from t_order_item;");
-        conn.commit();
-        conn.close();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        executeWithLog(connection, "delete from account;");
+        executeWithLog(connection, "delete from t_order;");
+        executeWithLog(connection, "delete from t_order_item;");
+        connection.commit();
+        connection.close();
     }
     
     protected void afterTest() throws SQLException {
@@ -86,12 +86,12 @@ public abstract class BaseTransactionTestCase {
         return connection.createStatement().executeQuery(sql);
     }
     
-    protected static void assertAccountRowCount(final Connection conn, final int rowNum) throws SQLException {
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, rowNum);
+    protected static void assertAccountRowCount(final Connection connection, final int rowNum) throws SQLException {
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, rowNum);
     }
     
-    protected static void assertTableRowCount(final Connection conn, final String tableName, final int rowNum) throws SQLException {
-        Statement statement = conn.createStatement();
+    protected static void assertTableRowCount(final Connection connection, final String tableName, final int rowNum) throws SQLException {
+        Statement statement = connection.createStatement();
         ResultSet resultSet = statement.executeQuery("select * from " + tableName);
         int resultSetCount = 0;
         while (resultSet.next()) {
@@ -101,15 +101,15 @@ public abstract class BaseTransactionTestCase {
         assertThat(String.format("Recode num assert error, expect: %s, actual: %s.", rowNum, resultSetCount), resultSetCount, is(rowNum));
     }
     
-    protected void executeSqlListWithLog(final Connection conn, final String... sqlList) throws SQLException {
+    protected void executeSqlListWithLog(final Connection connection, final String... sqlList) throws SQLException {
         for (String each : sqlList) {
             log.info("Connection execute: {}.", each);
-            conn.createStatement().execute(each);
+            connection.createStatement().execute(each);
         }
     }
     
-    protected int countWithLog(final Connection conn, final String sql) throws SQLException {
-        Statement statement = conn.createStatement();
+    protected int countWithLog(final Connection connection, final String sql) throws SQLException {
+        Statement statement = connection.createStatement();
         ResultSet rs = statement.executeQuery(sql);
         int result = 0;
         while (rs.next()) {
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/BroadcastTableTransactionTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/BroadcastTableTransactionTestCase.java
index bf3392045be..a888fc19883 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/BroadcastTableTransactionTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/BroadcastTableTransactionTestCase.java
@@ -58,28 +58,28 @@ public final class BroadcastTableTransactionTestCase extends BaseTransactionTest
     }
     
     private void init() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        executeWithLog(conn, "delete from t_address;");
-        assertTableRowCount(conn, T_ADDRESS, 0);
+        Connection connection = getDataSource().getConnection();
+        executeWithLog(connection, "delete from t_address;");
+        assertTableRowCount(connection, T_ADDRESS, 0);
     }
     
     private void commit() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        executeWithLog(conn, "delete from t_address;");
-        assertTableRowCount(conn, T_ADDRESS, 0);
-        executeWithLog(conn, "INSERT INTO t_address (id, code, address) VALUES (1, '1', 'nanjing');");
-        assertTableRowCount(conn, T_ADDRESS, 1);
-        conn.commit();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        executeWithLog(connection, "delete from t_address;");
+        assertTableRowCount(connection, T_ADDRESS, 0);
+        executeWithLog(connection, "INSERT INTO t_address (id, code, address) VALUES (1, '1', 'nanjing');");
+        assertTableRowCount(connection, T_ADDRESS, 1);
+        connection.commit();
     }
     
     private void rollback() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        executeWithLog(conn, "delete from t_address;");
-        assertTableRowCount(conn, T_ADDRESS, 0);
-        executeWithLog(conn, "INSERT INTO t_address (id, code, address) VALUES (1, '1', 'nanjing');");
-        assertTableRowCount(conn, T_ADDRESS, 1);
-        conn.commit();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        executeWithLog(connection, "delete from t_address;");
+        assertTableRowCount(connection, T_ADDRESS, 0);
+        executeWithLog(connection, "INSERT INTO t_address (id, code, address) VALUES (1, '1', 'nanjing');");
+        assertTableRowCount(connection, T_ADDRESS, 1);
+        connection.commit();
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/ExceptionInTransactionTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/ExceptionInTransactionTestCase.java
index 306a51a20bd..c6312fb54a7 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/ExceptionInTransactionTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/ExceptionInTransactionTestCase.java
@@ -44,28 +44,28 @@ public final class ExceptionInTransactionTestCase extends BaseTransactionTestCas
     
     @Override
     protected void executeTest() throws SQLException {
-        Connection conn = null;
+        Connection connection = null;
         try {
-            conn = getDataSource().getConnection();
-            conn.setAutoCommit(false);
-            assertAccountRowCount(conn, 0);
-            executeWithLog(conn, "insert into account(id, balance, transaction_id) values(1, 1, 1);");
+            connection = getDataSource().getConnection();
+            connection.setAutoCommit(false);
+            assertAccountRowCount(connection, 0);
+            executeWithLog(connection, "insert into account(id, balance, transaction_id) values(1, 1, 1);");
             int causedExceptionResult = 1 / 0;
             log.info("Caused exception result: {}", causedExceptionResult);
-            executeWithLog(conn, "insert into account(id, balance, transaction_id) values(2, 2, 2);");
-            conn.commit();
+            executeWithLog(connection, "insert into account(id, balance, transaction_id) values(2, 2, 2);");
+            connection.commit();
             fail("It should fail here.");
         } catch (final ArithmeticException ex) {
             assertThat(ex.getMessage(), is("/ by zero"));
         } finally {
-            if (null != conn) {
-                conn.rollback();
+            if (null != connection) {
+                connection.rollback();
             }
         }
         Thread queryThread = new Thread(() -> {
             log.info("Execute query in new thread.");
-            try (Connection connection = getDataSource().getConnection()) {
-                assertAccountRowCount(connection, 0);
+            try (Connection connection2 = getDataSource().getConnection()) {
+                assertAccountRowCount(connection2, 0);
             } catch (final SQLException ignored) {
             }
         });
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiOperationsCommitAndRollbackTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiOperationsCommitAndRollbackTestCase.java
index 0ef546588c0..014d8dd2c26 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiOperationsCommitAndRollbackTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiOperationsCommitAndRollbackTestCase.java
@@ -49,38 +49,38 @@ public final class MultiOperationsCommitAndRollbackTestCase extends BaseTransact
     }
     
     private void assertRollback() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(1, 1, 1);");
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(2, 2, 2);");
-        executeUpdateWithLog(conn, "update account set balance = 3, transaction_id = 3 where id = 2;");
-        assertQueryAccount(conn, 1, 3);
-        conn.rollback();
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        assertQueryAccount(conn, 1, 2);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(1, 1, 1);");
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(2, 2, 2);");
+        executeUpdateWithLog(connection, "update account set balance = 3, transaction_id = 3 where id = 2;");
+        assertQueryAccount(connection, 1, 3);
+        connection.rollback();
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        assertQueryAccount(connection, 1, 2);
     }
     
     private void assertCommit() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 0);
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(1, 1, 1);");
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(2, 2, 2);");
-        executeUpdateWithLog(conn, "update account set balance = 3, transaction_id = 3 where id = 2;");
-        assertQueryAccount(conn, 1, 3);
-        conn.commit();
-        assertTableRowCount(conn, TransactionTestConstants.ACCOUNT, 2);
-        assertQueryAccount(conn, 1, 3);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 0);
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(1, 1, 1);");
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(2, 2, 2);");
+        executeUpdateWithLog(connection, "update account set balance = 3, transaction_id = 3 where id = 2;");
+        assertQueryAccount(connection, 1, 3);
+        connection.commit();
+        assertTableRowCount(connection, TransactionTestConstants.ACCOUNT, 2);
+        assertQueryAccount(connection, 1, 3);
     }
     
     private void assertQueryAccount(final Connection conn, final int... expectedBalances) throws SQLException {
         Preconditions.checkArgument(2 == expectedBalances.length);
         Statement queryStatement = conn.createStatement();
-        ResultSet rs = queryStatement.executeQuery("select * from account;");
-        while (rs.next()) {
-            int id = rs.getInt("id");
-            int actualBalance = rs.getInt("balance");
+        ResultSet resultSet = queryStatement.executeQuery("select * from account;");
+        while (resultSet.next()) {
+            int id = resultSet.getInt("id");
+            int actualBalance = resultSet.getInt("balance");
             if (1 == id) {
                 assertBalance(actualBalance, expectedBalances[0]);
             }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiTableCommitAndRollbackTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiTableCommitAndRollbackTestCase.java
index be10a7d9f23..978b153418a 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiTableCommitAndRollbackTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/MultiTableCommitAndRollbackTestCase.java
@@ -46,36 +46,36 @@ public final class MultiTableCommitAndRollbackTestCase extends BaseTransactionTe
     }
     
     private void assertRollback() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, T_ORDER, 0);
-        assertTableRowCount(conn, T_ORDER_ITEM, 0);
-        executeSqlListWithLog(conn,
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, T_ORDER, 0);
+        assertTableRowCount(connection, T_ORDER_ITEM, 0);
+        executeSqlListWithLog(connection,
                 "INSERT INTO t_order (order_id, user_id, status) VALUES (1, 1, '1');",
                 "INSERT INTO t_order (order_id, user_id, status) VALUES (2, 2, '2');",
                 "INSERT INTO t_order_item (item_id, order_id, user_id, status) VALUES (1, 1, 1, '1');",
                 "INSERT INTO t_order_item (item_id, order_id, user_id, status) VALUES (2, 2, 2, '2');");
-        assertTableRowCount(conn, T_ORDER, 2);
-        assertTableRowCount(conn, T_ORDER_ITEM, 2);
-        conn.rollback();
-        assertTableRowCount(conn, T_ORDER, 0);
-        assertTableRowCount(conn, T_ORDER_ITEM, 0);
+        assertTableRowCount(connection, T_ORDER, 2);
+        assertTableRowCount(connection, T_ORDER_ITEM, 2);
+        connection.rollback();
+        assertTableRowCount(connection, T_ORDER, 0);
+        assertTableRowCount(connection, T_ORDER_ITEM, 0);
     }
     
     private void assertCommit() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertTableRowCount(conn, T_ORDER, 0);
-        assertTableRowCount(conn, T_ORDER_ITEM, 0);
-        executeSqlListWithLog(conn,
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertTableRowCount(connection, T_ORDER, 0);
+        assertTableRowCount(connection, T_ORDER_ITEM, 0);
+        executeSqlListWithLog(connection,
                 "INSERT INTO t_order (order_id, user_id, status) VALUES (1, 1, '1');",
                 "INSERT INTO t_order (order_id, user_id, status) VALUES (2, 2, '2');",
                 "INSERT INTO t_order_item (item_id, order_id, user_id, status) VALUES (1, 1, 1, '1');",
                 "INSERT INTO t_order_item (item_id, order_id, user_id, status) VALUES (2, 2, 2, '2');");
-        assertTableRowCount(conn, T_ORDER, 2);
-        assertTableRowCount(conn, T_ORDER_ITEM, 2);
-        conn.commit();
-        assertTableRowCount(conn, T_ORDER, 2);
-        assertTableRowCount(conn, T_ORDER_ITEM, 2);
+        assertTableRowCount(connection, T_ORDER, 2);
+        assertTableRowCount(connection, T_ORDER_ITEM, 2);
+        connection.commit();
+        assertTableRowCount(connection, T_ORDER, 2);
+        assertTableRowCount(connection, T_ORDER_ITEM, 2);
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/SingleTableCommitAndRollbackTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/SingleTableCommitAndRollbackTestCase.java
index 0091e050c19..8ef7e38f42b 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/SingleTableCommitAndRollbackTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/commitrollback/SingleTableCommitAndRollbackTestCase.java
@@ -43,24 +43,24 @@ public final class SingleTableCommitAndRollbackTestCase extends BaseTransactionT
     }
     
     private void assertRollback() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 0);
-        Statement std1 = conn.createStatement();
-        std1.execute("insert into account(id, balance, transaction_id) values(1, 1, 1);");
-        assertAccountRowCount(conn, 1);
-        conn.rollback();
-        assertAccountRowCount(conn, 0);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 0);
+        Statement statement = connection.createStatement();
+        statement.execute("insert into account(id, balance, transaction_id) values(1, 1, 1);");
+        assertAccountRowCount(connection, 1);
+        connection.rollback();
+        assertAccountRowCount(connection, 0);
     }
     
     private void assertCommit() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 0);
-        Statement std1 = conn.createStatement();
-        std1.execute("insert into account(id, balance, transaction_id) values(1, 1, 1);");
-        assertAccountRowCount(conn, 1);
-        conn.commit();
-        assertAccountRowCount(conn, 1);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 0);
+        Statement statement = connection.createStatement();
+        statement.execute("insert into account(id, balance, transaction_id) values(1, 1, 1);");
+        assertAccountRowCount(connection, 1);
+        connection.commit();
+        assertAccountRowCount(connection, 1);
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/cursor/OpenGaussCursorTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/cursor/OpenGaussCursorTestCase.java
index 121f7cfb717..c7310e715ff 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/cursor/OpenGaussCursorTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/cursor/OpenGaussCursorTestCase.java
@@ -58,101 +58,101 @@ public final class OpenGaussCursorTestCase extends BaseTransactionTestCase {
     @Override
     protected void beforeTest() throws SQLException {
         super.beforeTest();
-        Connection conn = getDataSource().getConnection();
-        executeWithLog(conn, "CREATE OR REPLACE VIEW t_order_view AS SELECT * FROM t_order;");
+        Connection connection = getDataSource().getConnection();
+        executeWithLog(connection, "CREATE OR REPLACE VIEW t_order_view AS SELECT * FROM t_order;");
     }
     
     @Override
     public void executeTest() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        broadcastTableCursorTest(conn);
-        broadcastTableCursorTest2(conn);
-        broadcastAndSingleTablesCursorTest(conn);
-        broadcastAndSingleTablesCursorTest2(conn);
-        viewCursorTest(conn);
+        Connection connection = getDataSource().getConnection();
+        broadcastTableCursorTest(connection);
+        broadcastTableCursorTest2(connection);
+        broadcastAndSingleTablesCursorTest(connection);
+        broadcastAndSingleTablesCursorTest2(connection);
+        viewCursorTest(connection);
     }
     
-    private void broadcastTableCursorTest(final Connection conn) throws SQLException {
-        executeWithLog(conn, "start transaction;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastTablesCursor());
-        executeWithLog(conn, "close test;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastTablesCursor());
-        fetch(conn, 10101);
-        fetch(conn, 10102);
-        fetch(conn, 10201);
-        fetch(conn, 10202);
-        fetchOver(conn);
-        fetchOver(conn);
-        executeWithLog(conn, "rollback;");
+    private void broadcastTableCursorTest(final Connection connection) throws SQLException {
+        executeWithLog(connection, "start transaction;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastTablesCursor());
+        executeWithLog(connection, "close test;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastTablesCursor());
+        fetch(connection, 10101);
+        fetch(connection, 10102);
+        fetch(connection, 10201);
+        fetch(connection, 10202);
+        fetchOver(connection);
+        fetchOver(connection);
+        executeWithLog(connection, "rollback;");
     }
     
-    private void broadcastTableCursorTest2(final Connection conn) throws SQLException {
-        executeWithLog(conn, "start transaction;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastTablesCursor2());
-        executeWithLog(conn, "close test;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastTablesCursor2());
-        fetch(conn, 10101);
-        fetch(conn, 10102);
-        fetch(conn, 10201);
-        fetch(conn, 10202);
-        fetchOver(conn);
-        fetchOver(conn);
-        executeWithLog(conn, "rollback;");
+    private void broadcastTableCursorTest2(final Connection connection) throws SQLException {
+        executeWithLog(connection, "start transaction;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastTablesCursor2());
+        executeWithLog(connection, "close test;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastTablesCursor2());
+        fetch(connection, 10101);
+        fetch(connection, 10102);
+        fetch(connection, 10201);
+        fetch(connection, 10202);
+        fetchOver(connection);
+        fetchOver(connection);
+        executeWithLog(connection, "rollback;");
     }
     
-    private void broadcastAndSingleTablesCursorTest(final Connection conn) throws SQLException {
-        executeWithLog(conn, "start transaction;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastAndSingleTablesCursor());
-        executeWithLog(conn, "close test;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastAndSingleTablesCursor());
-        fetch(conn, 1);
-        fetch(conn, 2);
-        fetch(conn, 3);
-        fetch(conn, 4);
-        fetchOver(conn);
-        fetchOver(conn);
-        executeWithLog(conn, "rollback;");
+    private void broadcastAndSingleTablesCursorTest(final Connection connection) throws SQLException {
+        executeWithLog(connection, "start transaction;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastAndSingleTablesCursor());
+        executeWithLog(connection, "close test;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastAndSingleTablesCursor());
+        fetch(connection, 1);
+        fetch(connection, 2);
+        fetch(connection, 3);
+        fetch(connection, 4);
+        fetchOver(connection);
+        fetchOver(connection);
+        executeWithLog(connection, "rollback;");
     }
     
-    private void broadcastAndSingleTablesCursorTest2(final Connection conn) throws SQLException {
-        executeWithLog(conn, "start transaction;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastTablesCursor2());
-        executeWithLog(conn, "close test;");
-        executeWithLog(conn, cursorSQLCommand.getBroadcastTablesCursor2());
-        fetch(conn, 10101);
-        fetch(conn, 10102);
-        fetch(conn, 10201);
-        fetch(conn, 10202);
-        fetchOver(conn);
-        fetchOver(conn);
-        executeWithLog(conn, "rollback;");
+    private void broadcastAndSingleTablesCursorTest2(final Connection connection) throws SQLException {
+        executeWithLog(connection, "start transaction;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastTablesCursor2());
+        executeWithLog(connection, "close test;");
+        executeWithLog(connection, cursorSQLCommand.getBroadcastTablesCursor2());
+        fetch(connection, 10101);
+        fetch(connection, 10102);
+        fetch(connection, 10201);
+        fetch(connection, 10202);
+        fetchOver(connection);
+        fetchOver(connection);
+        executeWithLog(connection, "rollback;");
     }
     
-    private void viewCursorTest(final Connection conn) throws SQLException {
-        executeWithLog(conn, "start transaction;");
-        executeWithLog(conn, cursorSQLCommand.getViewCursor());
-        executeWithLog(conn, "close test;");
-        executeWithLog(conn, cursorSQLCommand.getViewCursor());
-        fetch(conn, 1);
-        fetch(conn, 2);
-        fetch(conn, 3);
-        fetch(conn, 4);
-        fetchOver(conn);
-        fetchOver(conn);
-        executeWithLog(conn, "rollback;");
+    private void viewCursorTest(final Connection connection) throws SQLException {
+        executeWithLog(connection, "start transaction;");
+        executeWithLog(connection, cursorSQLCommand.getViewCursor());
+        executeWithLog(connection, "close test;");
+        executeWithLog(connection, cursorSQLCommand.getViewCursor());
+        fetch(connection, 1);
+        fetch(connection, 2);
+        fetch(connection, 3);
+        fetch(connection, 4);
+        fetchOver(connection);
+        fetchOver(connection);
+        executeWithLog(connection, "rollback;");
     }
     
-    private void fetch(final Connection conn, final int expectedId) throws SQLException {
-        ResultSet rs = executeQueryWithLog(conn, "fetch test;");
-        while (rs.next()) {
-            int id = rs.getInt("id");
+    private void fetch(final Connection connection, final int expectedId) throws SQLException {
+        ResultSet resultSet = executeQueryWithLog(connection, "fetch test;");
+        while (resultSet.next()) {
+            int id = resultSet.getInt("id");
             assertThat(id, is(expectedId));
         }
     }
     
-    private void fetchOver(final Connection conn) throws SQLException {
-        ResultSet rs = executeQueryWithLog(conn, "fetch test;");
-        while (rs.next()) {
+    private void fetchOver(final Connection connection) throws SQLException {
+        ResultSet resultSet = executeQueryWithLog(connection, "fetch test;");
+        while (resultSet.next()) {
             fail("Expected fetch nothing.");
         }
     }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/nested/NestedTransactionTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/nested/NestedTransactionTestCase.java
index e584836e647..86242a67150 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/nested/NestedTransactionTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/nested/NestedTransactionTestCase.java
@@ -40,20 +40,20 @@ public class NestedTransactionTestCase extends BaseTransactionTestCase {
     
     @Override
     protected void executeTest() throws SQLException {
-        ShardingSphereConnection conn1 = (ShardingSphereConnection) getDataSource().getConnection();
-        Assert.assertFalse(conn1.isHoldTransaction());
-        conn1.setAutoCommit(false);
-        Assert.assertTrue(conn1.isHoldTransaction());
+        ShardingSphereConnection connection = (ShardingSphereConnection) getDataSource().getConnection();
+        Assert.assertFalse(connection.isHoldTransaction());
+        connection.setAutoCommit(false);
+        Assert.assertTrue(connection.isHoldTransaction());
         requiresNewTransaction();
-        Assert.assertTrue(conn1.isHoldTransaction());
-        conn1.commit();
+        Assert.assertTrue(connection.isHoldTransaction());
+        connection.commit();
     }
     
     private void requiresNewTransaction() throws SQLException {
-        ShardingSphereConnection conn2 = (ShardingSphereConnection) getDataSource().getConnection();
-        Assert.assertFalse(conn2.isHoldTransaction());
-        conn2.setAutoCommit(false);
-        Assert.assertTrue(conn2.isHoldTransaction());
-        conn2.commit();
+        ShardingSphereConnection connection = (ShardingSphereConnection) getDataSource().getConnection();
+        Assert.assertFalse(connection.isHoldTransaction());
+        connection.setAutoCommit(false);
+        Assert.assertTrue(connection.isHoldTransaction());
+        connection.commit();
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/MySQLSetReadOnlyTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/MySQLSetReadOnlyTestCase.java
index d47ccef4bae..1d489442692 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/MySQLSetReadOnlyTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/MySQLSetReadOnlyTestCase.java
@@ -46,13 +46,13 @@ public final class MySQLSetReadOnlyTestCase extends SetReadOnlyTestCase {
     }
     
     private void assertSetReadOnly() throws SQLException {
-        Connection connection = getDataSource().getConnection();
-        executeUpdateWithLog(connection, "insert into account(id, balance) values (1, 0), (2, 100);");
-        Connection conn = getDataSource().getConnection();
-        conn.setReadOnly(true);
-        assertQueryBalance(conn);
+        Connection connection1 = getDataSource().getConnection();
+        executeUpdateWithLog(connection1, "insert into account(id, balance) values (1, 0), (2, 100);");
+        Connection connection2 = getDataSource().getConnection();
+        connection2.setReadOnly(true);
+        assertQueryBalance(connection2);
         try {
-            executeWithLog(conn, "update account set balance = 100 where id = 2;");
+            executeWithLog(connection2, "update account set balance = 100 where id = 2;");
             fail("Update ran successfully, should failed.");
         } catch (SQLException e) {
             log.info("Update failed for expect.");
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/PostgreSQLSetReadOnlyTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/PostgreSQLSetReadOnlyTestCase.java
index 0c87408e6e2..d519a11b846 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/PostgreSQLSetReadOnlyTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/PostgreSQLSetReadOnlyTestCase.java
@@ -45,13 +45,13 @@ public final class PostgreSQLSetReadOnlyTestCase extends SetReadOnlyTestCase {
     }
     
     private void assertSetReadOnly() throws SQLException {
-        Connection connection = getDataSource().getConnection();
-        executeUpdateWithLog(connection, "insert into account(id, balance) values (1, 0), (2, 100);");
-        Connection conn = getDataSource().getConnection();
-        conn.setReadOnly(true);
-        assertQueryBalance(conn);
+        Connection connection1 = getDataSource().getConnection();
+        executeUpdateWithLog(connection1, "insert into account(id, balance) values (1, 0), (2, 100);");
+        Connection connection2 = getDataSource().getConnection();
+        connection2.setReadOnly(true);
+        assertQueryBalance(connection2);
         try {
-            executeWithLog(conn, "update account set balance = 100 where id = 2;");
+            executeWithLog(connection2, "update account set balance = 100 where id = 2;");
             log.info("Using the driver of postgresql:42.4.1 expect to update successfully.");
         } catch (SQLException e) {
             Assert.fail("Update failed, should be successfully.");
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/SetReadOnlyTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/SetReadOnlyTestCase.java
index 7f053eb347f..4e4caab2278 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/SetReadOnlyTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/readonly/SetReadOnlyTestCase.java
@@ -39,10 +39,10 @@ public abstract class SetReadOnlyTestCase extends BaseTransactionTestCase {
     }
     
     void assertNotSetReadOnly() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        assertQueryBalance(conn);
-        executeUpdateWithLog(conn, "update account set balance = 101 where id = 2;");
-        ResultSet resultSet = executeQueryWithLog(conn, "select * from account where id = 2");
+        Connection connection = getDataSource().getConnection();
+        assertQueryBalance(connection);
+        executeUpdateWithLog(connection, "update account set balance = 101 where id = 2;");
+        ResultSet resultSet = executeQueryWithLog(connection, "select * from account where id = 2");
         if (!resultSet.next()) {
             fail("Should have a result.");
         }
@@ -50,8 +50,8 @@ public abstract class SetReadOnlyTestCase extends BaseTransactionTestCase {
         assertThat(String.format("Balance is %s, should be 101.", balanceResult), balanceResult, is(101));
     }
     
-    void assertQueryBalance(final Connection conn) throws SQLException {
-        ResultSet resultSet = executeQueryWithLog(conn, "select * from account;");
+    void assertQueryBalance(final Connection connection) throws SQLException {
+        ResultSet resultSet = executeQueryWithLog(connection, "select * from account;");
         while (resultSet.next()) {
             int id = resultSet.getInt("id");
             int balance = resultSet.getInt("balance");
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/OpenGaussSavePointTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/OpenGaussSavePointTestCase.java
index 246046dfb28..9829bdea494 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/OpenGaussSavePointTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/OpenGaussSavePointTestCase.java
@@ -49,21 +49,21 @@ public final class OpenGaussSavePointTestCase extends BaseSavePointTestCase {
     }
     
     private void assertErrors() throws SQLException {
-        Connection conn = getDataSource().getConnection();
+        Connection connection = getDataSource().getConnection();
         try {
-            conn.setSavepoint("point");
+            connection.setSavepoint("point");
             fail("Expect exception, but no exception report.");
         } catch (final SQLException ex) {
             assertThat(ex.getMessage(), is("Cannot establish a savepoint in auto-commit mode."));
         }
         try {
-            conn.rollback(new PSQLSavepoint("point1"));
+            connection.rollback(new PSQLSavepoint("point1"));
             fail("Expect exception, but no exception report.");
         } catch (final SQLException ex) {
             assertTrue(ex.getMessage().endsWith("ERROR: ROLLBACK TO SAVEPOINT can only be used in transaction blocks"));
         }
         try {
-            conn.releaseSavepoint(new PSQLSavepoint("point1"));
+            connection.releaseSavepoint(new PSQLSavepoint("point1"));
             fail("Expect exception, but no exception report.");
         } catch (final SQLException ex) {
             assertTrue(ex.getMessage().endsWith("ERROR: RELEASE SAVEPOINT can only be used in transaction blocks"));
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/PostgreSQLSavePointTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/PostgreSQLSavePointTestCase.java
index 700a3b59211..cc937c1b1eb 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/PostgreSQLSavePointTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/savepoint/PostgreSQLSavePointTestCase.java
@@ -51,22 +51,22 @@ public final class PostgreSQLSavePointTestCase extends BaseSavePointTestCase {
     
     @SneakyThrows(SQLException.class)
     private void assertErrors() {
-        Connection conn = getDataSource().getConnection();
+        Connection connection = getDataSource().getConnection();
         try {
-            conn.setSavepoint("point");
+            connection.setSavepoint("point");
             fail("Expect exception, but no exception report.");
         } catch (SQLException ex) {
             assertThat(ex.getMessage(), is("Savepoint can only be used in transaction blocks."));
         }
         try {
-            conn.rollback(new PSQLSavepoint("point1"));
+            connection.rollback(new PSQLSavepoint("point1"));
             fail("Expect exception, but no exception report.");
         } catch (SQLException ex) {
             // TODO can not run to get the correct result in JDBC mode.
             assertTrue(ex.getMessage().endsWith("ERROR: ROLLBACK TO SAVEPOINT can only be used in transaction blocks"));
         }
         try {
-            conn.releaseSavepoint(new PSQLSavepoint("point1"));
+            connection.releaseSavepoint(new PSQLSavepoint("point1"));
             fail("Expect exception, but no exception report.");
         } catch (SQLException ex) {
             // TODO can not run to get the correct result in JDBC mode.
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLLocalTruncateTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLLocalTruncateTestCase.java
index 4c254a81ff7..6da968b63fc 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLLocalTruncateTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLLocalTruncateTestCase.java
@@ -45,33 +45,33 @@ public final class MySQLLocalTruncateTestCase extends BaseTransactionTestCase {
     
     private void assertTruncateRollback() throws SQLException {
         prepare();
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 8);
-        executeWithLog(conn, "truncate account;");
-        assertAccountRowCount(conn, 0);
-        conn.rollback();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 8);
+        executeWithLog(connection, "truncate account;");
+        assertAccountRowCount(connection, 0);
+        connection.rollback();
         // Expected truncate operation cannot be rolled back in MySQL local transaction
-        assertAccountRowCount(conn, 0);
-        conn.close();
+        assertAccountRowCount(connection, 0);
+        connection.close();
     }
     
     private void assertTruncateCommit() throws SQLException {
         prepare();
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 8);
-        executeWithLog(conn, "truncate account;");
-        assertAccountRowCount(conn, 0);
-        conn.commit();
-        assertAccountRowCount(conn, 0);
-        conn.close();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 8);
+        executeWithLog(connection, "truncate account;");
+        assertAccountRowCount(connection, 0);
+        connection.commit();
+        assertAccountRowCount(connection, 0);
+        connection.close();
     }
     
     private void prepare() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        executeWithLog(conn, "delete from account;");
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6),(7, 7, 7),(8, 8, 8);");
-        conn.close();
+        Connection connection = getDataSource().getConnection();
+        executeWithLog(connection, "delete from account;");
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6),(7, 7, 7),(8, 8, 8);");
+        connection.close();
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLXATruncateTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLXATruncateTestCase.java
index c149416b33f..f68cec094db 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLXATruncateTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/MySQLXATruncateTestCase.java
@@ -51,26 +51,26 @@ public final class MySQLXATruncateTestCase extends BaseTransactionTestCase {
     private void assertTruncateInMySQLXATransaction() throws SQLException {
         // TODO This test case may cause bad effects to other test cases in JDBC adapter
         prepare();
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 8);
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 8);
         try {
-            conn.createStatement().execute("truncate account;");
+            connection.createStatement().execute("truncate account;");
             fail("Expect exception, but no exception report.");
         } catch (TableModifyInTransactionException ex) {
             log.info("Exception for expected in Proxy: {}", ex.getMessage());
         } catch (SQLException ex) {
             log.info("Exception for expected in JDBC: {}", ex.getMessage());
         } finally {
-            conn.rollback();
-            conn.close();
+            connection.rollback();
+            connection.close();
         }
     }
     
     private void prepare() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        executeWithLog(conn, "delete from account;");
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6),(7, 7, 7),(8, 8, 8);");
-        conn.close();
+        Connection connection = getDataSource().getConnection();
+        executeWithLog(connection, "delete from account;");
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6),(7, 7, 7),(8, 8, 8);");
+        connection.close();
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/PostgresSQLAndOpenGaussTruncateTestCase.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/PostgresSQLAndOpenGaussTruncateTestCase.java
index acfd521cb9f..acd85324a49 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/PostgresSQLAndOpenGaussTruncateTestCase.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/cases/truncate/PostgresSQLAndOpenGaussTruncateTestCase.java
@@ -44,35 +44,35 @@ public final class PostgresSQLAndOpenGaussTruncateTestCase extends BaseTransacti
     
     private void assertTruncateRollback() throws SQLException {
         prepare();
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 8);
-        executeWithLog(conn, "truncate account;");
-        assertAccountRowCount(conn, 0);
-        conn.rollback();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 8);
+        executeWithLog(connection, "truncate account;");
+        assertAccountRowCount(connection, 0);
+        connection.rollback();
         // Expected truncate operation can be rolled back in PostgreSQL & OpenGauss
-        assertAccountRowCount(conn, 8);
-        conn.close();
+        assertAccountRowCount(connection, 8);
+        connection.close();
     }
     
     private void assertTruncateCommit() throws SQLException {
         prepare();
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        assertAccountRowCount(conn, 8);
-        executeWithLog(conn, "truncate account;");
-        assertAccountRowCount(conn, 0);
-        conn.commit();
-        assertAccountRowCount(conn, 0);
-        conn.close();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        assertAccountRowCount(connection, 8);
+        executeWithLog(connection, "truncate account;");
+        assertAccountRowCount(connection, 0);
+        connection.commit();
+        assertAccountRowCount(connection, 0);
+        connection.close();
     }
     
     private void prepare() throws SQLException {
-        Connection conn = getDataSource().getConnection();
-        conn.setAutoCommit(false);
-        executeWithLog(conn, "delete from account;");
-        executeWithLog(conn, "insert into account(id, balance, transaction_id) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6),(7, 7, 7),(8, 8, 8);");
-        conn.commit();
-        conn.close();
+        Connection connection = getDataSource().getConnection();
+        connection.setAutoCommit(false);
+        executeWithLog(connection, "delete from account;");
+        executeWithLog(connection, "insert into account(id, balance, transaction_id) values(1, 1, 1),(2, 2, 2),(3, 3, 3),(4, 4, 4),(5, 5, 5),(6, 6, 6),(7, 7, 7),(8, 8, 8);");
+        connection.commit();
+        connection.close();
     }
 }
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/constants/TransactionTestConstants.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/constants/TransactionTestConstants.java
index 10034b13da7..5db4511f329 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/constants/TransactionTestConstants.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/constants/TransactionTestConstants.java
@@ -26,7 +26,7 @@ import lombok.NoArgsConstructor;
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
 public final class TransactionTestConstants {
     
-    public static final String MYSQL = "mysql";
+    public static final String MYSQL = "MySQL";
     
     public static final String OPENGAUSS = "OpenGauss";
     
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MySQLJdbcTransactionIT.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MysqlJdbcTransactionIT.java
similarity index 91%
rename from test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MySQLJdbcTransactionIT.java
rename to test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MysqlJdbcTransactionIT.java
index a990f68a253..30b774e6de4 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MySQLJdbcTransactionIT.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MysqlJdbcTransactionIT.java
@@ -34,11 +34,11 @@ import java.util.Collection;
  */
 @RunWith(Parameterized.class)
 @Slf4j
-public final class MySQLJdbcTransactionIT extends BaseTransactionITCase {
+public final class MysqlJdbcTransactionIT extends BaseTransactionITCase {
     
     private final TransactionParameterized parameterized;
     
-    public MySQLJdbcTransactionIT(final TransactionParameterized parameterized) {
+    public MysqlJdbcTransactionIT(final TransactionParameterized parameterized) {
         super(parameterized);
         this.parameterized = parameterized;
         log.info("Parameterized:{}", parameterized);
@@ -46,7 +46,7 @@ public final class MySQLJdbcTransactionIT extends BaseTransactionITCase {
     
     @Parameters(name = "{0}")
     public static Collection<TransactionParameterized> getParameters() {
-        return getTransactionParameterizedList(MySQLJdbcTransactionIT.class);
+        return getTransactionParameterizedList(MysqlJdbcTransactionIT.class);
     }
     
     @After
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MySQLProxyTransactionIT.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MysqlProxyTransactionIT.java
similarity index 91%
rename from test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MySQLProxyTransactionIT.java
rename to test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MysqlProxyTransactionIT.java
index a98971b72e3..c18e152028c 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MySQLProxyTransactionIT.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/mysql/MysqlProxyTransactionIT.java
@@ -35,11 +35,11 @@ import java.util.Collection;
  */
 @Slf4j
 @RunWith(Parameterized.class)
-public final class MySQLProxyTransactionIT extends BaseTransactionITCase {
+public final class MysqlProxyTransactionIT extends BaseTransactionITCase {
     
     private final TransactionParameterized parameterized;
     
-    public MySQLProxyTransactionIT(final TransactionParameterized parameterized) {
+    public MysqlProxyTransactionIT(final TransactionParameterized parameterized) {
         super(parameterized);
         this.parameterized = parameterized;
         log.info("Parameterized:{}", parameterized);
@@ -47,7 +47,7 @@ public final class MySQLProxyTransactionIT extends BaseTransactionITCase {
     
     @Parameters(name = "{0}")
     public static Collection<TransactionParameterized> getParameters() {
-        return getTransactionParameterizedList(MySQLProxyTransactionIT.class);
+        return getTransactionParameterizedList(MysqlProxyTransactionIT.class);
     }
     
     @After
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgreSQLJdbcTransactionIT.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgresqlJdbcTransactionIT.java
similarity index 91%
rename from test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgreSQLJdbcTransactionIT.java
rename to test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgresqlJdbcTransactionIT.java
index cd6a94ee6dd..f0eea88fe53 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgreSQLJdbcTransactionIT.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgresqlJdbcTransactionIT.java
@@ -35,11 +35,11 @@ import java.util.Collection;
  */
 @Slf4j
 @RunWith(Parameterized.class)
-public final class PostgreSQLJdbcTransactionIT extends BaseTransactionITCase {
+public final class PostgresqlJdbcTransactionIT extends BaseTransactionITCase {
     
     private final TransactionParameterized parameterized;
     
-    public PostgreSQLJdbcTransactionIT(final TransactionParameterized parameterized) {
+    public PostgresqlJdbcTransactionIT(final TransactionParameterized parameterized) {
         super(parameterized);
         this.parameterized = parameterized;
         log.info("Parameterized:{}", parameterized);
@@ -47,7 +47,7 @@ public final class PostgreSQLJdbcTransactionIT extends BaseTransactionITCase {
     
     @Parameters(name = "{0}")
     public static Collection<TransactionParameterized> getParameters() {
-        return getTransactionParameterizedList(PostgreSQLJdbcTransactionIT.class);
+        return getTransactionParameterizedList(PostgresqlJdbcTransactionIT.class);
     }
     
     @After
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgreSQLProxyTransactionIT.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgresqlProxyTransactionIT.java
similarity index 91%
rename from test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgreSQLProxyTransactionIT.java
rename to test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgresqlProxyTransactionIT.java
index bdb26918f8f..9c6795af48a 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgreSQLProxyTransactionIT.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/engine/postgresql/PostgresqlProxyTransactionIT.java
@@ -35,11 +35,11 @@ import java.util.Collection;
  */
 @Slf4j
 @RunWith(Parameterized.class)
-public final class PostgreSQLProxyTransactionIT extends BaseTransactionITCase {
+public final class PostgresqlProxyTransactionIT extends BaseTransactionITCase {
     
     private final TransactionParameterized parameterized;
     
-    public PostgreSQLProxyTransactionIT(final TransactionParameterized parameterized) {
+    public PostgresqlProxyTransactionIT(final TransactionParameterized parameterized) {
         super(parameterized);
         this.parameterized = parameterized;
         log.info("Parameterized:{}", parameterized);
@@ -47,7 +47,7 @@ public final class PostgreSQLProxyTransactionIT extends BaseTransactionITCase {
     
     @Parameters(name = "{0}")
     public static Collection<TransactionParameterized> getParameters() {
-        return getTransactionParameterizedList(PostgreSQLProxyTransactionIT.class);
+        return getTransactionParameterizedList(PostgresqlProxyTransactionIT.class);
     }
     
     @After
diff --git a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/env/enums/TransactionTestCaseRegistry.java b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/env/enums/TransactionTestCaseRegistry.java
index 64a9f7dff74..bc4f8f4f649 100644
--- a/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/env/enums/TransactionTestCaseRegistry.java
+++ b/test/integration-test/transaction/src/test/java/org/apache/shardingsphere/integration/transaction/env/enums/TransactionTestCaseRegistry.java
@@ -21,12 +21,12 @@ import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.integration.transaction.engine.base.BaseTransactionITCase;
 import org.apache.shardingsphere.integration.transaction.engine.constants.TransactionTestConstants;
-import org.apache.shardingsphere.integration.transaction.engine.mysql.MySQLJdbcTransactionIT;
-import org.apache.shardingsphere.integration.transaction.engine.mysql.MySQLProxyTransactionIT;
+import org.apache.shardingsphere.integration.transaction.engine.mysql.MysqlJdbcTransactionIT;
+import org.apache.shardingsphere.integration.transaction.engine.mysql.MysqlProxyTransactionIT;
 import org.apache.shardingsphere.integration.transaction.engine.opengauss.OpenGaussJdbcTransactionIT;
 import org.apache.shardingsphere.integration.transaction.engine.opengauss.OpenGaussProxyTransactionIT;
-import org.apache.shardingsphere.integration.transaction.engine.postgresql.PostgreSQLJdbcTransactionIT;
-import org.apache.shardingsphere.integration.transaction.engine.postgresql.PostgreSQLProxyTransactionIT;
+import org.apache.shardingsphere.integration.transaction.engine.postgresql.PostgresqlJdbcTransactionIT;
+import org.apache.shardingsphere.integration.transaction.engine.postgresql.PostgresqlProxyTransactionIT;
 import org.apache.shardingsphere.test.integration.env.container.atomic.constants.AdapterContainerConstants;
 
 /**
@@ -36,17 +36,17 @@ import org.apache.shardingsphere.test.integration.env.container.atomic.constants
 @Getter
 public enum TransactionTestCaseRegistry {
     
-    MySQL_JDBC_IT(MySQLJdbcTransactionIT.class, TransactionTestConstants.MYSQL, AdapterContainerConstants.JDBC),
+    MySQL_JDBC_IT(MysqlJdbcTransactionIT.class, TransactionTestConstants.MYSQL, AdapterContainerConstants.JDBC),
     
-    MySQL_PROXY_IT(MySQLProxyTransactionIT.class, TransactionTestConstants.MYSQL, AdapterContainerConstants.PROXY),
+    MySQL_PROXY_IT(MysqlProxyTransactionIT.class, TransactionTestConstants.MYSQL, AdapterContainerConstants.PROXY),
     
     OPENGAUSS_JDBC_IT(OpenGaussJdbcTransactionIT.class, TransactionTestConstants.OPENGAUSS, AdapterContainerConstants.JDBC),
     
     OPENGAUSS_PROXY_IT(OpenGaussProxyTransactionIT.class, TransactionTestConstants.OPENGAUSS, AdapterContainerConstants.PROXY),
     
-    POSTGRESQL_JDBC_IT(PostgreSQLJdbcTransactionIT.class, TransactionTestConstants.POSTGRESQL, AdapterContainerConstants.JDBC),
+    POSTGRESQL_JDBC_IT(PostgresqlJdbcTransactionIT.class, TransactionTestConstants.POSTGRESQL, AdapterContainerConstants.JDBC),
     
-    POSTGRESQL_PROXY_IT(PostgreSQLProxyTransactionIT.class, TransactionTestConstants.POSTGRESQL, AdapterContainerConstants.PROXY);
+    POSTGRESQL_PROXY_IT(PostgresqlProxyTransactionIT.class, TransactionTestConstants.POSTGRESQL, AdapterContainerConstants.PROXY);
     
     private final Class<? extends BaseTransactionITCase> testCaseClass;