apache · CRZbulabula · Jul 23, 2026
diff --git a/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBSeriesPermissionIT.java b/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBSeriesPermissionIT.java
@@ -383,7 +383,7 @@ public void ttlOperationsTest() {
         assertNonQueryTestFail(
             statement,
             "set ttl to root.__audit.** 1",
-            "803: The database 'root.__audit' is read-only.");
+            "803: Apache IoTDB does not support this operation on database 'root.__audit'.");
       } catch (SQLException e) {
         e.printStackTrace();
         fail(e.getMessage());

diff --git a/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBTemplateAuthIT.java b/integration-test/src/test/java/org/apache/iotdb/db/it/auth/IoTDBTemplateAuthIT.java
@@ -85,10 +85,15 @@ public void manageDataBaseTest() {
           "create database root.__audit",
           "803: The database name \"root.__audit\" is reserved, please use another valid database name.");
 
+      assertNonQueryTestFail(
+          adminStmt,
+          "delete database root.__audit",
+          "803: Apache IoTDB does not support this operation on database 'root.__audit'.");
+
       assertNonQueryTestFail(
           adminStmt,
           "set device template t1 to root.__audit",
-          "803: The database 'root.__audit' is read-only");
+          "803: Apache IoTDB does not support this operation on database 'root.__audit'.");
 
       Set<String> retSet = new HashSet<>(Arrays.asList("t1", "t2", "t3"));
 

diff --git a/...n-test/src/test/java/org/apache/iotdb/relational/it/db/it/IoTDBAuthenticationTableIT.java b/...n-test/src/test/java/org/apache/iotdb/relational/it/db/it/IoTDBAuthenticationTableIT.java
@@ -106,6 +106,15 @@ public void testInsert() throws IoTDBConnectionException, StatementExecutionExce
             e.getMessage());
       }
 
+      try {
+        sessionRoot.executeNonQueryStatement("DROP DATABASE __audit");
+        fail("Should have thrown an exception");
+      } catch (StatementExecutionException e) {
+        assertEquals(
+            "803: Access Denied: Apache IoTDB does not support this operation on database '__audit'.",
+            e.getMessage());
+      }
+
       sessionRoot.executeNonQueryStatement("CREATE DATABASE IF NOT EXISTS \"汉化\"");
       sessionRoot.executeNonQueryStatement("USE \"汉化\"");
 

diff --git a/iotdb-core/datanode/src/main/i18n/en/org/apache/iotdb/db/i18n/DataNodeQueryMessages.java b/iotdb-core/datanode/src/main/i18n/en/org/apache/iotdb/db/i18n/DataNodeQueryMessages.java
@@ -3050,8 +3050,9 @@ private DataNodeQueryMessages() {}
       "getOutputColumnNames of CreateMultiTimeSeriesNode is not implemented";
   public static final String QUERY_EXCEPTION_GETOUTPUTCOLUMNNAMES_OF_ALTERLOGICALVIEWNODE_IS_NOT_IMPLEMENTED_D2294789 =
       "getOutputColumnNames of AlterLogicalViewNode is not implemented";
-  public static final String QUERY_EXCEPTION_THE_DATABASE_S_IS_READ_ONLY_CB6732CE =
-      "The database '%s' is read-only.";
+  public static final String
+      EXCEPTION_APACHE_IOTDB_DOES_NOT_SUPPORT_THIS_OPERATION_ON_DATABASE_ARG_B09ADFD7 =
+          "Apache IoTDB does not support this operation on database '%s'.";
   public static final String QUERY_EXCEPTION_THE_DATABASE_S_CAN_ONLY_BE_QUERIED_BY_AUDIT_ADMIN_4A510F66 =
       "The database '%s' can only be queried by AUDIT admin.";
   public static final String QUERY_EXCEPTION_UNEXPECTED_WINDOW_FRAME_TYPE_S_F06F81B8 =

diff --git a/iotdb-core/datanode/src/main/i18n/zh/org/apache/iotdb/db/i18n/DataNodeQueryMessages.java b/iotdb-core/datanode/src/main/i18n/zh/org/apache/iotdb/db/i18n/DataNodeQueryMessages.java
@@ -3683,9 +3683,10 @@ private DataNodeQueryMessages() {}
   public static final String QUERY_EXCEPTION_GETOUTPUTCOLUMNNAMES_OF_ALTERLOGICALVIEWNODE_IS_NOT_IMPLEMENTED_D2294789 =
 
       "AlterLogicalViewNode 的 getOutputColumnNames 尚未实现";
-  public static final String QUERY_EXCEPTION_THE_DATABASE_S_IS_READ_ONLY_CB6732CE =
+  public static final String
+      EXCEPTION_APACHE_IOTDB_DOES_NOT_SUPPORT_THIS_OPERATION_ON_DATABASE_ARG_B09ADFD7 =
 
-      "数据库 '%s' 为只读。";
+          "Apache IoTDB 不支持对数据库 '%s' 执行此操作。";
   public static final String QUERY_EXCEPTION_THE_DATABASE_S_CAN_ONLY_BE_QUERIED_BY_AUDIT_ADMIN_4A510F66 =
 
       "数据库 '%s' 仅允许 AUDIT admin 查询。";

diff --git a/...main/java/org/apache/iotdb/db/queryengine/plan/relational/security/AccessControlImpl.java b/...main/java/org/apache/iotdb/db/queryengine/plan/relational/security/AccessControlImpl.java
@@ -58,7 +58,12 @@
 
 public class AccessControlImpl implements AccessControl {
 
-  public static final String READ_ONLY_DB_ERROR_MSG = "The database '%s' is read-only.";
+  static String getUnsupportedAuditDatabaseOperationMessage(String databaseName) {
+    return String.format(
+        DataNodeQueryMessages
+            .EXCEPTION_APACHE_IOTDB_DOES_NOT_SUPPORT_THIS_OPERATION_ON_DATABASE_ARG_B09ADFD7,
+        databaseName);
+  }
 
   protected final ITableAuthChecker authChecker;
 
@@ -72,7 +77,7 @@ public AccessControlImpl(ITableAuthChecker authChecker, TreeAccessCheckVisitor v
   private void checkAuditDatabase(String databaseName) {
     if (TABLE_MODEL_AUDIT_DATABASE.equalsIgnoreCase(databaseName)) {
       throw new AccessDeniedException(
-          String.format(READ_ONLY_DB_ERROR_MSG, TABLE_MODEL_AUDIT_DATABASE));
+          getUnsupportedAuditDatabaseOperationMessage(TABLE_MODEL_AUDIT_DATABASE));
     }
   }
 
@@ -567,11 +572,11 @@ public TSStatus checkFullPathWriteDataPermission(
       IAuditEntity auditEntity, IDeviceID device, String measurementId) {
     try {
       PartialPath path = new MeasurementPath(device, measurementId);
-      // audit db is read-only
+      // Apache IoTDB does not support external writes to the audit database.
       if (includeByAuditTreeDB(path)
           && !auditEntity.getUsername().equals(AuthorityChecker.INTERNAL_AUDIT_USER)) {
         return new TSStatus(TSStatusCode.NO_PERMISSION.getStatusCode())
-            .setMessage(String.format(READ_ONLY_DB_ERROR_MSG, TREE_MODEL_AUDIT_DATABASE));
+            .setMessage(getUnsupportedAuditDatabaseOperationMessage(TREE_MODEL_AUDIT_DATABASE));
       }
       return checkTimeSeriesPermission(
           auditEntity, () -> Collections.singletonList(path), PrivilegeType.WRITE_DATA);

diff --git a/.../java/org/apache/iotdb/db/queryengine/plan/relational/security/ITableAuthCheckerImpl.java b/.../java/org/apache/iotdb/db/queryengine/plan/relational/security/ITableAuthCheckerImpl.java
@@ -167,8 +167,7 @@ private static void checkAuditDatabase(
                 .setResult(false),
             () -> databaseName);
         throw new AccessDeniedException(
-            String.format(
-                DataNodeQueryMessages.QUERY_EXCEPTION_THE_DATABASE_S_IS_READ_ONLY_CB6732CE,
+            AccessControlImpl.getUnsupportedAuditDatabaseOperationMessage(
                 TABLE_MODEL_AUDIT_DATABASE));
       }
     }