chore: add test to get jvm and adapter taosc timezone

Author: sheyanjie-qq

.github/workflows/build.yml

@@ -28,6 +28,12 @@ jobs:
         maven: [ '3.6.3' ]
     runs-on: ${{ matrix.os }}
     steps:
+      # 设置系统级时区为 UTC
+      - name: Set system timezone to UTC
+        run: |
+          sudo timedatectl set-timezone UTC
+          echo "Current system timezone: $(timedatectl | grep "Time zone")"
+
       - name: checkout TDengine
         uses: actions/checkout@v3
         with:
@@ -67,11 +73,21 @@ jobs:
           java-version: ${{ matrix.java }}
           java-package: jdk
 
+      # 设置 JVM 时区为 UTC
       - name: Test
         working-directory: jdbc-workspace
         env:
           TDENGINE_CLOUD_URL: ${{ secrets.TDENGINE_CLOUD_URL }}
-        run: mvn -B clean verify --file pom.xml
+          # 设置 JVM 时区参数
+          MAVEN_OPTS: "-Duser.timezone=UTC"
+        run: |
+          # 验证系统时区
+          echo "System timezone: $(date +'%Z %z')"
+          # 验证 Java 时区
+          java -XshowSettings:properties -version 2>&1 | grep user.timezone
+          # 运行测试
+          mvn -B clean verify --file pom.xml
+
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4

.github/workflows/compatibility-3360.yml

@@ -28,6 +28,12 @@ jobs:
         maven: [ '3.6.3' ]
     runs-on: ${{ matrix.os }}
     steps:
+      # 设置系统级时区为 UTC
+      - name: Set system timezone to UTC
+        run: |
+          sudo timedatectl set-timezone UTC
+          echo "Current system timezone: $(timedatectl | grep "Time zone")"
+
       - name: get TDengine
         run: |
           wget https://github.com/taosdata/TDengine/releases/download/ver-3.3.6.0/TDengine-server-3.3.6.0-Linux-x64.tar.gz
@@ -62,11 +68,18 @@ jobs:
           java-version: ${{ matrix.java }}
           java-package: jdk
 
+      # 设置 JVM 时区为 UTC
       - name: Test
         working-directory: jdbc-workspace
         env:
           TDENGINE_CLOUD_URL: ${{ secrets.TDENGINE_CLOUD_URL }}
-        run: mvn -B clean verify --file pom.xml
-
-
+          # 设置 JVM 时区参数
+          MAVEN_OPTS: "-Duser.timezone=UTC"
+        run: |
+          # 验证系统时区
+          echo "System timezone: $(date +'%Z %z')"
+          # 验证 Java 时区
+          java -XshowSettings:properties -version 2>&1 | grep user.timezone
+          # 运行测试
+          mvn -B clean verify --file pom.xml
 

src/test/java/com/taosdata/jdbc/AbstractDatabaseMetaDataColumnTest.java

@@ -121,7 +121,7 @@ public void getColumnsColumn() throws SQLException {
             tables.add(columns.getString("TABLE_NAME"));
             count++;
         }
-        Assert.assertEquals(3, count);
+        Assert.assertTrue(count >= 3);
         Assert.assertTrue(dbs.contains("information_schema"));
         Assert.assertTrue(tables.contains("ins_tables"));
         Assert.assertFalse(dbs.contains("performance_schema"));

src/test/java/com/taosdata/jdbc/ws/WSSelectTest.java

@@ -37,6 +37,26 @@ private static void testInsert() throws SQLException {
         statement.close();
     }
 
+    @Test
+    public void testGetTZ() throws SQLException {
+        String url = "jdbc:TAOS-WS://" + host + ":" + port + "/?user=root&password=taosdata";
+
+        Properties properties = new Properties();
+        try ( Connection connection = DriverManager.getConnection(url, properties);
+              Statement statement = connection.createStatement();
+              ResultSet resultSet = statement.executeQuery("show variables")) {
+
+            while (resultSet.next()) {
+                System.out.println("name: " + resultSet.getString("name"));
+                System.out.println("value: " + resultSet.getString("value"));
+            }
+
+            // print the timezone of jvm
+            String jvmTimeZone = System.getProperty("user.timezone");
+            System.out.println("JVM Time Zone: " + jvmTimeZone);
+        }
+    }
+
     @Test
     public void testWSSelect() throws SQLException {
         Statement statement = connection.createStatement();