v0.4.1 preview

.env.example

@@ -43,6 +43,8 @@ MAX_RESPONSE_CONTENT_SIZE=4096
 # Security Configuration
 # =============================================================================
 
+ENABLE_SECURITY_CHECK=true
+BLOCKED_KEYWORDS="DROP,TRUNCATE,DELETE,SHUTDOWN,INSERT,UPDATE,CREATE,ALTER,GRANT,REVOKE,KILL"
 AUTH_TYPE=token
 TOKEN_SECRET=your_secret_key_here
 TOKEN_EXPIRY=3600
@@ -84,5 +86,5 @@ ALERT_WEBHOOK_URL=
 # =============================================================================
 
 SERVER_NAME=doris-mcp-server
-SERVER_VERSION=0.3.0
+SERVER_VERSION=0.4.1
 SERVER_PORT=3000

doris_mcp_server/utils/config.py

@@ -70,17 +70,26 @@ class SecurityConfig:
     token_expiry: int = 3600
 
     # SQL security configuration
+    enable_security_check: bool = True  # Main switch: whether to enable SQL security check
     blocked_keywords: list[str] = field(
         default_factory=lambda: [
+            # DDL Operations (Data Definition Language)
             "DROP",
-            "DELETE",
-            "TRUNCATE",
-            "ALTER",
             "CREATE", 
+            "ALTER",
+            "TRUNCATE",
+            # DML Operations (Data Manipulation Language)
+            "DELETE",
             "INSERT",
             "UPDATE",
+            # DCL Operations (Data Control Language)
             "GRANT",
             "REVOKE",
+            # System Operations
+            "EXEC",
+            "EXECUTE", 
+            "SHUTDOWN",
+            "KILL",
         ]
     )
     max_query_complexity: int = 100
@@ -154,7 +163,7 @@ class DorisConfig:
 
     # Basic configuration
     server_name: str = "doris-mcp-server"
-    server_version: str = "0.4.0"
+    server_version: str = "0.4.1"
     server_port: int = 3000
     transport: str = "stdio"
     
@@ -267,6 +276,22 @@ class DorisConfig:
         config.security.max_query_complexity = int(
             os.getenv("MAX_QUERY_COMPLEXITY", str(config.security.max_query_complexity))
         )
+        config.security.enable_security_check = (
+            os.getenv("ENABLE_SECURITY_CHECK", str(config.security.enable_security_check).lower()).lower() == "true"
+        )
+        
+        # Handle blocked keywords environment variable configuration
+        # Format: BLOCKED_KEYWORDS="DROP,DELETE,TRUNCATE,ALTER,CREATE,INSERT,UPDATE,GRANT,REVOKE"
+        blocked_keywords_env = os.getenv("BLOCKED_KEYWORDS", "")
+        if blocked_keywords_env:
+            # If environment variable is provided, use keywords list from environment variable
+            config.security.blocked_keywords = [
+                keyword.strip().upper() 
+                for keyword in blocked_keywords_env.split(",") 
+                if keyword.strip()
+            ]
+        # If environment variable is empty, keep default configuration unchanged
+        
         config.security.enable_masking = (
             os.getenv("ENABLE_MASKING", str(config.security.enable_masking).lower()).lower() == "true"
         )
@@ -399,6 +424,7 @@ class DorisConfig:
                 "auth_type": self.security.auth_type,
                 "token_secret": "***",  # Hide secret key
                 "token_expiry": self.security.token_expiry,
+                "enable_security_check": self.security.enable_security_check,
                 "blocked_keywords": self.security.blocked_keywords,
                 "max_query_complexity": self.security.max_query_complexity,
                 "max_result_rows": self.security.max_result_rows,

doris_mcp_server/utils/db.py

@@ -142,11 +142,22 @@ class DorisConnection:
                 self.is_healthy = False
                 return False
             
+            # Check if connection has _reader (aiomysql internal state)
+            # This prevents the 'NoneType' object has no attribute 'at_eof' error
+            if not hasattr(self.connection, '_reader') or self.connection._reader is None:
+                self.is_healthy = False
+                return False
+            
+            # Additional check for reader's state
+            if hasattr(self.connection._reader, '_transport') and self.connection._reader._transport is None:
+                self.is_healthy = False
+                return False
+            
             # Try to ping the connection
             await self.connection.ping()
             self.is_healthy = True
             return True
-        except Exception as e:
+        except (AttributeError, OSError, ConnectionError, Exception) as e:
             # Log the specific error for debugging
             logging.debug(f"Connection ping failed for session {self.session_id}: {e}")
             self.is_healthy = False
@@ -309,15 +320,34 @@ class DorisConnectionManager:
         if session_id in self.session_connections:
             conn = self.session_connections[session_id]
             try:
-                # Return connection to pool
-                if self.pool and conn.connection and not conn.connection.closed:
-                    self.pool.release(conn.connection)
+                # Return connection to pool only if it's valid and not closed
+                if (self.pool and 
+                    conn.connection and 
+                    not conn.connection.closed and
+                    hasattr(conn.connection, '_reader') and 
+                    conn.connection._reader is not None):
+                    try:
+                        # Try to gracefully return to pool
+                        self.pool.release(conn.connection)
+                    except Exception as pool_error:
+                        self.logger.debug(f"Failed to return connection to pool for session {session_id}: {pool_error}")
+                        # If pool release fails, try to close the connection directly
+                        try:
+                            await conn.connection.ensure_closed()
+                        except Exception:
+                            pass  # Ignore errors during forced close
                 
                 # Close connection wrapper
                 await conn.close()
                 
             except Exception as e:
                 self.logger.error(f"Error cleaning up connection for session {session_id}: {e}")
+                # Force close if normal cleanup fails
+                try:
+                    if conn.connection and not conn.connection.closed:
+                        await conn.connection.ensure_closed()
+                except Exception:
+                    pass  # Ignore errors during forced close
             finally:
                 # Remove from session connections
                 del self.session_connections[session_id]
@@ -339,12 +369,26 @@ class DorisConnectionManager:
         try:
             unhealthy_sessions = []
             
+            # First pass: check basic connectivity
             for session_id, conn in self.session_connections.items():
                 if not await conn.ping():
                     unhealthy_sessions.append(session_id)
             
-            # Clean up unhealthy connections
-            for session_id in unhealthy_sessions:
+            # Second pass: check for stale connections (over 30 minutes old)
+            current_time = datetime.utcnow()
+            stale_sessions = []
+            for session_id, conn in self.session_connections.items():
+                if session_id not in unhealthy_sessions:  # Don't double-check
+                    last_used_delta = (current_time - conn.last_used).total_seconds()
+                    if last_used_delta > 1800:  # 30 minutes
+                        # Force a ping check for stale connections
+                        if not await conn.ping():
+                            stale_sessions.append(session_id)
+            
+            all_problematic_sessions = list(set(unhealthy_sessions + stale_sessions))
+            
+            # Clean up problematic connections
+            for session_id in all_problematic_sessions:
                 await self._cleanup_session_connection(session_id)
                 self.metrics.failed_connections += 1
             
@@ -352,11 +396,19 @@ class DorisConnectionManager:
             await self._update_connection_metrics()
             self.metrics.last_health_check = datetime.utcnow()
             
-            if unhealthy_sessions:
-                self.logger.warning(f"Cleaned up {len(unhealthy_sessions)} unhealthy connections")
+            if all_problematic_sessions:
+                self.logger.warning(f"Health check: cleaned up {len(unhealthy_sessions)} unhealthy and {len(stale_sessions)} stale connections")
+            else:
+                self.logger.debug(f"Health check: all {len(self.session_connections)} connections healthy")
 
         except Exception as e:
             self.logger.error(f"Health check failed: {e}")
+            # If health check fails, try to diagnose the issue
+            try:
+                diagnosis = await self.diagnose_connection_health()
+                self.logger.error(f"Connection diagnosis: {diagnosis}")
+            except Exception:
+                pass  # Don't let diagnosis failure crash health check
 
     async def _cleanup_loop(self):
         """Background cleanup loop"""
@@ -463,6 +515,93 @@ class DorisConnectionManager:
             self.logger.error(f"Connection test failed: {e}")
             return False
 
+    async def diagnose_connection_health(self) -> Dict[str, Any]:
+        """Diagnose connection pool and session health"""
+        diagnosis = {
+            "timestamp": datetime.utcnow().isoformat(),
+            "pool_status": "unknown",
+            "session_connections": {},
+            "problematic_connections": [],
+            "recommendations": []
+        }
+        
+        try:
+            # Check pool status
+            if not self.pool:
+                diagnosis["pool_status"] = "not_initialized"
+                diagnosis["recommendations"].append("Initialize connection pool")
+                return diagnosis
+            
+            if self.pool.closed:
+                diagnosis["pool_status"] = "closed"
+                diagnosis["recommendations"].append("Recreate connection pool")
+                return diagnosis
+            
+            diagnosis["pool_status"] = "healthy"
+            diagnosis["pool_info"] = {
+                "size": self.pool.size,
+                "free_size": self.pool.freesize,
+                "min_size": self.pool.minsize,
+                "max_size": self.pool.maxsize
+            }
+            
+            # Check session connections
+            problematic_sessions = []
+            for session_id, conn in self.session_connections.items():
+                conn_status = {
+                    "session_id": session_id,
+                    "created_at": conn.created_at.isoformat(),
+                    "last_used": conn.last_used.isoformat(),
+                    "query_count": conn.query_count,
+                    "is_healthy": conn.is_healthy
+                }
+                
+                # Detailed connection checks
+                if conn.connection:
+                    conn_status["connection_closed"] = conn.connection.closed
+                    conn_status["has_reader"] = hasattr(conn.connection, '_reader') and conn.connection._reader is not None
+                    
+                    if hasattr(conn.connection, '_reader') and conn.connection._reader:
+                        conn_status["reader_transport"] = conn.connection._reader._transport is not None
+                    else:
+                        conn_status["reader_transport"] = False
+                else:
+                    conn_status["connection_closed"] = True
+                    conn_status["has_reader"] = False
+                    conn_status["reader_transport"] = False
+                
+                # Check if connection is problematic
+                if (not conn.is_healthy or 
+                    conn_status["connection_closed"] or 
+                    not conn_status["has_reader"] or 
+                    not conn_status["reader_transport"]):
+                    problematic_sessions.append(session_id)
+                    diagnosis["problematic_connections"].append(conn_status)
+                
+                diagnosis["session_connections"][session_id] = conn_status
+            
+            # Generate recommendations
+            if problematic_sessions:
+                diagnosis["recommendations"].append(f"Clean up {len(problematic_sessions)} problematic connections")
+            
+            if self.pool.freesize == 0 and self.pool.size >= self.pool.maxsize:
+                diagnosis["recommendations"].append("Connection pool exhausted - consider increasing max_connections")
+            
+            # Auto-cleanup problematic connections
+            for session_id in problematic_sessions:
+                try:
+                    await self._cleanup_session_connection(session_id)
+                    self.logger.info(f"Auto-cleaned problematic connection for session: {session_id}")
+                except Exception as e:
+                    self.logger.error(f"Failed to auto-clean session {session_id}: {e}")
+            
+            return diagnosis
+            
+        except Exception as e:
+            diagnosis["error"] = str(e)
+            diagnosis["recommendations"].append("Manual intervention required")
+            return diagnosis
+
 
 class ConnectionPoolMonitor:
     """Connection pool monitor

doris_mcp_server/utils/query_executor.py

@@ -548,79 +548,127 @@ class DorisQueryExecutor:
         user_id: str = "mcp_user"
     ) -> Dict[str, Any]:
         """Execute SQL query for MCP interface - unified method"""
-        try:
-            if not sql:
-                return {
-                    "success": False,
-                    "error": "SQL query is required",
-                    "data": None
-                }
+        max_retries = 2
+        retry_count = 0
         
-            # Add LIMIT if not present and it's a SELECT query
-            if sql.upper().startswith("SELECT") and "LIMIT" not in sql.upper():
-                if sql.endswith(";"):
-                    sql = sql[:-1]
-                sql = f"{sql} LIMIT {limit}"
+        while retry_count <= max_retries:
+            try:
+                if not sql:
+                    return {
+                        "success": False,
+                        "error": "SQL query is required",
+                        "data": None
+                    }
 
-            # Create auth context for MCP calls
-            class MockAuthContext:
-                def __init__(self):
-                    self.user_id = user_id
-                    self.roles = ["data_analyst"]
-                    self.permissions = ["read_data", "execute_query"]
-                    self.session_id = session_id
-                    self.security_level = "internal"
+                # Add LIMIT if not present and it's a SELECT query
+                if sql.upper().startswith("SELECT") and "LIMIT" not in sql.upper():
+                    if sql.endswith(";"):
+                        sql = sql[:-1]
+                    sql = f"{sql} LIMIT {limit}"
 
-            auth_context = MockAuthContext()
+                # Create auth context for MCP calls
+                class MockAuthContext:
+                    def __init__(self):
+                        self.user_id = user_id
+                        self.roles = ["data_analyst"]
+                        self.permissions = ["read_data", "execute_query"]
+                        self.session_id = session_id
+                        self.security_level = "internal"
 
-            # Create query request
-            query_request = QueryRequest(
-                sql=sql,
-                session_id=session_id,
-                user_id=user_id,
-                timeout=timeout,
-                cache_enabled=True
-            )
+                auth_context = MockAuthContext()
                 
-            # Execute query
-            result = await self.execute_query(query_request, auth_context)
+                # Create query request
+                query_request = QueryRequest(
+                    sql=sql,
+                    session_id=session_id,
+                    user_id=user_id,
+                    timeout=timeout,
+                    cache_enabled=False  # Disable cache for MCP calls to ensure fresh data
+                )
 
-            # Process results
-            processed_data = []
-            if result.data:
-                for row in result.data:
-                    processed_row = self._serialize_row_data(row)
-                    processed_data.append(processed_row)
+                # Execute query with retry logic
+                try:
+                    result = await self.execute_query(query_request, auth_context)
                     
-            return {
-                "success": True,
-                "data": processed_data,
-                "metadata": {
-                    "row_count": result.row_count,
-                    "execution_time": result.execution_time,
-                    "columns": result.metadata.get("columns", []),
-                    "query": sql
-                },
-                "error": None
-            }
+                    # Serialize data for JSON response
+                    serialized_data = []
+                    for row in result.data:
+                        serialized_data.append(self._serialize_row_data(row))
 
-        except Exception as e:
-            error_msg = str(e)
-            self.logger.error(f"SQL execution error: {error_msg}")
+                    return {
+                        "success": True,
+                        "data": serialized_data,
+                        "row_count": result.row_count,
+                        "execution_time": result.execution_time,
+                        "metadata": {
+                            "columns": result.metadata.get("columns", []),
+                            "query": sql
+                        }
+                    }
                     
-            # Analyze error for better user feedback
-            error_analysis = self._analyze_error(error_msg)
+                except Exception as query_error:
+                    # Check if it's a connection-related error that we should retry
+                    error_str = str(query_error).lower()
+                    connection_errors = [
+                        "at_eof", "connection", "closed", "nonetype", 
+                        "transport", "reader", "broken pipe", "connection reset"
+                    ]
                     
-            return {
-                "success": False,
-                "error": error_analysis.get("user_message", error_msg),
-                "error_type": error_analysis.get("error_type", "execution_error"),
-                "data": None,
-                "metadata": {
-                    "query": sql,
-                    "error_details": error_msg
-                }
-            }
+                    is_connection_error = any(err in error_str for err in connection_errors)
+                    
+                    if is_connection_error and retry_count < max_retries:
+                        retry_count += 1
+                        self.logger.warning(f"Connection error detected, retrying ({retry_count}/{max_retries}): {query_error}")
+                        
+                        # Release the problematic connection
+                        try:
+                            await self.connection_manager.release_connection(session_id)
+                        except Exception:
+                            pass  # Ignore cleanup errors
+                        
+                        # Wait a bit before retry
+                        await asyncio.sleep(0.5 * retry_count)
+                        continue
+                    else:
+                        # Re-raise if not a connection error or max retries exceeded
+                        raise query_error
+
+            except Exception as e:
+                error_msg = str(e)
+                
+                # If we've exhausted retries or it's not a connection error, return error
+                if retry_count >= max_retries or "at_eof" not in error_msg.lower():
+                    error_analysis = self._analyze_error(error_msg)
+                    
+                    return {
+                        "success": False, 
+                        "error": error_analysis.get("user_message", error_msg),
+                        "error_type": error_analysis.get("error_type", "general_error"),
+                        "data": None,
+                        "metadata": {
+                            "query": sql,
+                            "error_details": error_msg,
+                            "retry_count": retry_count
+                        }
+                    }
+                else:
+                    # Try one more time for connection errors
+                    retry_count += 1
+                    if retry_count <= max_retries:
+                        self.logger.warning(f"Retrying query due to connection error ({retry_count}/{max_retries}): {e}")
+                        await asyncio.sleep(0.5 * retry_count)
+                        continue
+                    else:
+                        return {
+                            "success": False,
+                            "error": f"Query failed after {max_retries} retries: {error_msg}",
+                            "data": None,
+                            "metadata": {
+                                "query": sql,
+                                "error_details": error_msg,
+                                "retry_count": retry_count
+                            }
+                        }
 
     def _serialize_row_data(self, row_data: Dict[str, Any]) -> Dict[str, Any]:
         """Serialize row data for JSON response"""
@@ -649,7 +697,12 @@ class DorisQueryExecutor:
         """Analyze error message and provide user-friendly feedback"""
         error_msg_lower = error_message.lower()
         
-        if "table" in error_msg_lower and "doesn't exist" in error_msg_lower:
+        if "at_eof" in error_msg_lower or "nonetype" in error_msg_lower and "at_eof" in error_msg_lower:
+            return {
+                "error_type": "connection_lost",
+                "user_message": "Database connection was lost. The query has been automatically retried. If this persists, please restart the server."
+            }
+        elif "table" in error_msg_lower and "doesn't exist" in error_msg_lower:
             return {
                 "error_type": "table_not_found",
                 "user_message": "The specified table does not exist. Please check the table name and database."
@@ -674,6 +727,11 @@ class DorisQueryExecutor:
                 "error_type": "timeout",
                 "user_message": "Query execution timed out. Try simplifying your query or adding more specific filters."
             }
+        elif "connection" in error_msg_lower and ("closed" in error_msg_lower or "reset" in error_msg_lower):
+            return {
+                "error_type": "connection_error",
+                "user_message": "Database connection was interrupted. The query has been automatically retried."
+            }
         else:
             return {
                 "error_type": "general_error",

doris_mcp_server/utils/security.py

@@ -20,7 +20,6 @@ Doris Security Management Module
 Implements enterprise-level authentication, authorization, SQL security validation and data masking functionality
 """
 
-import hashlib
 import logging
 import re
 from dataclasses import dataclass
@@ -101,30 +100,24 @@ class DorisSecurityManager:
         self.masking_rules = self._load_masking_rules()
 
     def _load_blocked_keywords(self) -> set[str]:
-        """Load blocked SQL keywords"""
-        default_blocked = {
-            "DROP",
-            "DELETE",
-            "TRUNCATE",
-            "ALTER",
-            "CREATE",
-            "INSERT",
-            "UPDATE",
-            "GRANT",
-            "REVOKE",
-            "EXEC",
-            "EXECUTE",
-            "SHUTDOWN",
-            "KILL",
-        }
-
-        # Load custom rules from configuration file
+        """Load blocked SQL keywords from configuration"""
+        # Load keywords from configuration, unified source of truth
         if hasattr(self.config, 'get'):
-            custom_blocked = set(self.config.get("blocked_keywords", []))
+            # Dictionary-style configuration
+            blocked_keywords = self.config.get("blocked_keywords", [])
+        elif hasattr(self.config, 'security') and hasattr(self.config.security, 'blocked_keywords'):
+            # DorisConfig object, get through security.blocked_keywords
+            blocked_keywords = self.config.security.blocked_keywords
         else:
-            custom_blocked = set()
+            # Fallback to default if no configuration available
+            blocked_keywords = [
+                "DROP", "CREATE", "ALTER", "TRUNCATE",
+                "DELETE", "INSERT", "UPDATE", 
+                "GRANT", "REVOKE",
+                "EXEC", "EXECUTE", "SHUTDOWN", "KILL"
+            ]
 
-        return default_blocked.union(custom_blocked)
+        return set(blocked_keywords)
 
     def _load_sensitive_tables(self) -> dict[str, SecurityLevel]:
         """Load sensitive table configuration"""
@@ -478,13 +471,30 @@ class SQLSecurityValidator:
             # Dictionary configuration
             self.blocked_keywords = set(config.get("blocked_keywords", []))
             self.max_query_complexity = config.get("max_query_complexity", 100)
+            self.enable_security_check = config.get("enable_security_check", True)
+        elif hasattr(config, 'security'):
+            # DorisConfig object with security attribute - unified source from config
+            self.blocked_keywords = set(config.security.blocked_keywords)
+            self.max_query_complexity = config.security.max_query_complexity
+            self.enable_security_check = getattr(config.security, 'enable_security_check', True)
         else:
-            # DorisConfig object, use default values
-            self.blocked_keywords = set(["DROP", "DELETE", "TRUNCATE", "ALTER", "CREATE", "INSERT", "UPDATE"])
+            # Fallback to default if no configuration available
+            self.blocked_keywords = set([
+                "DROP", "CREATE", "ALTER", "TRUNCATE",
+                "DELETE", "INSERT", "UPDATE", 
+                "GRANT", "REVOKE",
+                "EXEC", "EXECUTE", "SHUTDOWN", "KILL"
+            ])
             self.max_query_complexity = 100
+            self.enable_security_check = True
 
     async def validate(self, sql: str, auth_context: AuthContext) -> ValidationResult:
         """Validate SQL query security"""
+        # If security check is disabled, always return valid
+        if not self.enable_security_check:
+            self.logger.debug("SQL security check is disabled, allowing all queries")
+            return ValidationResult(is_valid=True)
+            
         try:
             # Parse SQL statement
             parsed = sqlparse.parse(sql)[0]

uv.lock

@@ -518,170 +518,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/8f/d7/9322c609343d929e75e7e5e6255e614fcc67572cfd083959cdef3b7aad79/docutils-0.21.2-py3-none-any.whl", hash = "sha256:dafca5b9e384f0e419294eb4d2ff9fa826435bf15f15b7bd45723e8ad76811b2", size = 587408 },
 ]
 
-[[package]]
-name = "doris-mcp-server"
-version = "0.3.0"
-source = { editable = "." }
-dependencies = [
-    { name = "aiofiles" },
-    { name = "aiohttp" },
-    { name = "aiomysql" },
-    { name = "aioredis" },
-    { name = "asyncio-mqtt" },
-    { name = "bcrypt" },
-    { name = "click" },
-    { name = "cryptography" },
-    { name = "fastapi" },
-    { name = "httpx" },
-    { name = "mcp" },
-    { name = "numpy" },
-    { name = "orjson" },
-    { name = "pandas" },
-    { name = "passlib", extra = ["bcrypt"] },
-    { name = "prometheus-client" },
-    { name = "pydantic" },
-    { name = "pydantic-settings" },
-    { name = "pyjwt" },
-    { name = "pymysql" },
-    { name = "pytest" },
-    { name = "pytest-asyncio" },
-    { name = "pytest-cov" },
-    { name = "python-dateutil" },
-    { name = "python-dotenv" },
-    { name = "python-jose", extra = ["cryptography"] },
-    { name = "python-multipart" },
-    { name = "pyyaml" },
-    { name = "requests" },
-    { name = "rich" },
-    { name = "sqlparse" },
-    { name = "starlette" },
-    { name = "structlog" },
-    { name = "toml" },
-    { name = "tqdm" },
-    { name = "typer" },
-    { name = "uvicorn", extra = ["standard"] },
-    { name = "websockets" },
-]
-
-[package.optional-dependencies]
-dev = [
-    { name = "bandit" },
-    { name = "black" },
-    { name = "flake8" },
-    { name = "isort" },
-    { name = "mypy" },
-    { name = "myst-parser" },
-    { name = "pre-commit" },
-    { name = "pytest" },
-    { name = "pytest-asyncio" },
-    { name = "pytest-cov" },
-    { name = "pytest-mock" },
-    { name = "pytest-xdist" },
-    { name = "ruff" },
-    { name = "safety" },
-    { name = "sphinx" },
-    { name = "sphinx-rtd-theme" },
-    { name = "tox" },
-]
-docs = [
-    { name = "myst-parser" },
-    { name = "sphinx" },
-    { name = "sphinx-autoapi" },
-    { name = "sphinx-rtd-theme" },
-]
-monitoring = [
-    { name = "grafana-client" },
-    { name = "jaeger-client" },
-    { name = "opentelemetry-api" },
-    { name = "opentelemetry-sdk" },
-    { name = "prometheus-client" },
-]
-performance = [
-    { name = "cchardet" },
-    { name = "orjson" },
-    { name = "uvloop" },
-]
-
-[package.dev-dependencies]
-dev = [
-    { name = "ruff" },
-]
-
-[package.metadata]
-requires-dist = [
-    { name = "aiofiles", specifier = ">=23.0.0" },
-    { name = "aiohttp", specifier = ">=3.9.0" },
-    { name = "aiomysql", specifier = ">=0.2.0" },
-    { name = "aioredis", specifier = ">=2.0.0" },
-    { name = "asyncio-mqtt", specifier = ">=0.16.0" },
-    { name = "bandit", marker = "extra == 'dev'", specifier = ">=1.7.0" },
-    { name = "bcrypt", specifier = ">=4.1.0" },
-    { name = "black", marker = "extra == 'dev'", specifier = ">=23.12.0" },
-    { name = "cchardet", marker = "extra == 'performance'", specifier = ">=2.1.0" },
-    { name = "click", specifier = ">=8.1.0" },
-    { name = "cryptography", specifier = ">=41.0.0" },
-    { name = "fastapi", specifier = ">=0.108.0" },
-    { name = "flake8", marker = "extra == 'dev'", specifier = ">=7.0.0" },
-    { name = "grafana-client", marker = "extra == 'monitoring'", specifier = ">=3.5.0" },
-    { name = "httpx", specifier = ">=0.26.0" },
-    { name = "isort", marker = "extra == 'dev'", specifier = ">=5.13.0" },
-    { name = "jaeger-client", marker = "extra == 'monitoring'", specifier = ">=4.8.0" },
-    { name = "mcp", specifier = ">=1.8.0" },
-    { name = "mypy", marker = "extra == 'dev'", specifier = ">=1.8.0" },
-    { name = "myst-parser", marker = "extra == 'dev'", specifier = ">=2.0.0" },
-    { name = "myst-parser", marker = "extra == 'docs'", specifier = ">=2.0.0" },
-    { name = "numpy", specifier = ">=1.24.0" },
-    { name = "opentelemetry-api", marker = "extra == 'monitoring'", specifier = ">=1.21.0" },
-    { name = "opentelemetry-sdk", marker = "extra == 'monitoring'", specifier = ">=1.21.0" },
-    { name = "orjson", specifier = ">=3.9.0" },
-    { name = "orjson", marker = "extra == 'performance'", specifier = ">=3.9.0" },
-    { name = "pandas", specifier = ">=2.0.0" },
-    { name = "passlib", extras = ["bcrypt"], specifier = ">=1.7.0" },
-    { name = "pre-commit", marker = "extra == 'dev'", specifier = ">=3.6.0" },
-    { name = "prometheus-client", specifier = ">=0.19.0" },
-    { name = "prometheus-client", marker = "extra == 'monitoring'", specifier = ">=0.19.0" },
-    { name = "pydantic", specifier = ">=2.5.0" },
-    { name = "pydantic-settings", specifier = ">=2.1.0" },
-    { name = "pyjwt", specifier = ">=2.8.0" },
-    { name = "pymysql", specifier = ">=1.1.0" },
-    { name = "pytest", specifier = ">=8.4.0" },
-    { name = "pytest", marker = "extra == 'dev'", specifier = ">=7.4.0" },
-    { name = "pytest-asyncio", specifier = ">=1.0.0" },
-    { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.23.0" },
-    { name = "pytest-cov", specifier = ">=6.1.1" },
-    { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=4.1.0" },
-    { name = "pytest-mock", marker = "extra == 'dev'", specifier = ">=3.12.0" },
-    { name = "pytest-xdist", marker = "extra == 'dev'", specifier = ">=3.5.0" },
-    { name = "python-dateutil", specifier = ">=2.8.0" },
-    { name = "python-dotenv", specifier = ">=1.0.0" },
-    { name = "python-jose", extras = ["cryptography"], specifier = ">=3.3.0" },
-    { name = "python-multipart", specifier = ">=0.0.6" },
-    { name = "pyyaml", specifier = ">=6.0.0" },
-    { name = "requests", specifier = ">=2.31.0" },
-    { name = "rich", specifier = ">=13.7.0" },
-    { name = "ruff", marker = "extra == 'dev'", specifier = ">=0.1.0" },
-    { name = "safety", marker = "extra == 'dev'", specifier = ">=2.3.0" },
-    { name = "sphinx", marker = "extra == 'dev'", specifier = ">=7.2.0" },
-    { name = "sphinx", marker = "extra == 'docs'", specifier = ">=7.2.0" },
-    { name = "sphinx-autoapi", marker = "extra == 'docs'", specifier = ">=3.0.0" },
-    { name = "sphinx-rtd-theme", marker = "extra == 'dev'", specifier = ">=2.0.0" },
-    { name = "sphinx-rtd-theme", marker = "extra == 'docs'", specifier = ">=2.0.0" },
-    { name = "sqlparse", specifier = ">=0.4.4" },
-    { name = "starlette", specifier = ">=0.27.0" },
-    { name = "structlog", specifier = ">=23.2.0" },
-    { name = "toml", specifier = ">=0.10.0" },
-    { name = "tox", marker = "extra == 'dev'", specifier = ">=4.11.0" },
-    { name = "tqdm", specifier = ">=4.66.0" },
-    { name = "typer", specifier = ">=0.9.0" },
-    { name = "uvicorn", extras = ["standard"], specifier = ">=0.25.0" },
-    { name = "uvloop", marker = "extra == 'performance'", specifier = ">=0.19.0" },
-    { name = "websockets", specifier = ">=12.0" },
-]
-provides-extras = ["dev", "docs", "performance", "monitoring"]
-
-[package.metadata.requires-dev]
-dev = [{ name = "ruff", specifier = ">=0.11.13" }]
-
 [[package]]
 name = "dparse"
 version = "0.6.4"
@@ -1110,6 +946,170 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/79/45/823ad05504bea55cb0feb7470387f151252127ad5c72f8882e8fe6cf5c0e/mcp-1.9.3-py3-none-any.whl", hash = "sha256:69b0136d1ac9927402ed4cf221d4b8ff875e7132b0b06edd446448766f34f9b9", size = 131063 },
 ]
 
+[[package]]
+name = "mcp-doris-server"
+version = "0.4.0"
+source = { editable = "." }
+dependencies = [
+    { name = "aiofiles" },
+    { name = "aiohttp" },
+    { name = "aiomysql" },
+    { name = "aioredis" },
+    { name = "asyncio-mqtt" },
+    { name = "bcrypt" },
+    { name = "click" },
+    { name = "cryptography" },
+    { name = "fastapi" },
+    { name = "httpx" },
+    { name = "mcp" },
+    { name = "numpy" },
+    { name = "orjson" },
+    { name = "pandas" },
+    { name = "passlib", extra = ["bcrypt"] },
+    { name = "prometheus-client" },
+    { name = "pydantic" },
+    { name = "pydantic-settings" },
+    { name = "pyjwt" },
+    { name = "pymysql" },
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+    { name = "pytest-cov" },
+    { name = "python-dateutil" },
+    { name = "python-dotenv" },
+    { name = "python-jose", extra = ["cryptography"] },
+    { name = "python-multipart" },
+    { name = "pyyaml" },
+    { name = "requests" },
+    { name = "rich" },
+    { name = "sqlparse" },
+    { name = "starlette" },
+    { name = "structlog" },
+    { name = "toml" },
+    { name = "tqdm" },
+    { name = "typer" },
+    { name = "uvicorn", extra = ["standard"] },
+    { name = "websockets" },
+]
+
+[package.optional-dependencies]
+dev = [
+    { name = "bandit" },
+    { name = "black" },
+    { name = "flake8" },
+    { name = "isort" },
+    { name = "mypy" },
+    { name = "myst-parser" },
+    { name = "pre-commit" },
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+    { name = "pytest-cov" },
+    { name = "pytest-mock" },
+    { name = "pytest-xdist" },
+    { name = "ruff" },
+    { name = "safety" },
+    { name = "sphinx" },
+    { name = "sphinx-rtd-theme" },
+    { name = "tox" },
+]
+docs = [
+    { name = "myst-parser" },
+    { name = "sphinx" },
+    { name = "sphinx-autoapi" },
+    { name = "sphinx-rtd-theme" },
+]
+monitoring = [
+    { name = "grafana-client" },
+    { name = "jaeger-client" },
+    { name = "opentelemetry-api" },
+    { name = "opentelemetry-sdk" },
+    { name = "prometheus-client" },
+]
+performance = [
+    { name = "cchardet" },
+    { name = "orjson" },
+    { name = "uvloop" },
+]
+
+[package.dev-dependencies]
+dev = [
+    { name = "ruff" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "aiofiles", specifier = ">=23.0.0" },
+    { name = "aiohttp", specifier = ">=3.9.0" },
+    { name = "aiomysql", specifier = ">=0.2.0" },
+    { name = "aioredis", specifier = ">=2.0.0" },
+    { name = "asyncio-mqtt", specifier = ">=0.16.0" },
+    { name = "bandit", marker = "extra == 'dev'", specifier = ">=1.7.0" },
+    { name = "bcrypt", specifier = ">=4.1.0" },
+    { name = "black", marker = "extra == 'dev'", specifier = ">=23.12.0" },
+    { name = "cchardet", marker = "extra == 'performance'", specifier = ">=2.1.0" },
+    { name = "click", specifier = ">=8.1.0" },
+    { name = "cryptography", specifier = ">=41.0.0" },
+    { name = "fastapi", specifier = ">=0.108.0" },
+    { name = "flake8", marker = "extra == 'dev'", specifier = ">=7.0.0" },
+    { name = "grafana-client", marker = "extra == 'monitoring'", specifier = ">=3.5.0" },
+    { name = "httpx", specifier = ">=0.26.0" },
+    { name = "isort", marker = "extra == 'dev'", specifier = ">=5.13.0" },
+    { name = "jaeger-client", marker = "extra == 'monitoring'", specifier = ">=4.8.0" },
+    { name = "mcp", specifier = ">=1.8.0" },
+    { name = "mypy", marker = "extra == 'dev'", specifier = ">=1.8.0" },
+    { name = "myst-parser", marker = "extra == 'dev'", specifier = ">=2.0.0" },
+    { name = "myst-parser", marker = "extra == 'docs'", specifier = ">=2.0.0" },
+    { name = "numpy", specifier = ">=1.24.0" },
+    { name = "opentelemetry-api", marker = "extra == 'monitoring'", specifier = ">=1.21.0" },
+    { name = "opentelemetry-sdk", marker = "extra == 'monitoring'", specifier = ">=1.21.0" },
+    { name = "orjson", specifier = ">=3.9.0" },
+    { name = "orjson", marker = "extra == 'performance'", specifier = ">=3.9.0" },
+    { name = "pandas", specifier = ">=2.0.0" },
+    { name = "passlib", extras = ["bcrypt"], specifier = ">=1.7.0" },
+    { name = "pre-commit", marker = "extra == 'dev'", specifier = ">=3.6.0" },
+    { name = "prometheus-client", specifier = ">=0.19.0" },
+    { name = "prometheus-client", marker = "extra == 'monitoring'", specifier = ">=0.19.0" },
+    { name = "pydantic", specifier = ">=2.5.0" },
+    { name = "pydantic-settings", specifier = ">=2.1.0" },
+    { name = "pyjwt", specifier = ">=2.8.0" },
+    { name = "pymysql", specifier = ">=1.1.0" },
+    { name = "pytest", specifier = ">=8.4.0" },
+    { name = "pytest", marker = "extra == 'dev'", specifier = ">=7.4.0" },
+    { name = "pytest-asyncio", specifier = ">=1.0.0" },
+    { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.23.0" },
+    { name = "pytest-cov", specifier = ">=6.1.1" },
+    { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=4.1.0" },
+    { name = "pytest-mock", marker = "extra == 'dev'", specifier = ">=3.12.0" },
+    { name = "pytest-xdist", marker = "extra == 'dev'", specifier = ">=3.5.0" },
+    { name = "python-dateutil", specifier = ">=2.8.0" },
+    { name = "python-dotenv", specifier = ">=1.0.0" },
+    { name = "python-jose", extras = ["cryptography"], specifier = ">=3.3.0" },
+    { name = "python-multipart", specifier = ">=0.0.6" },
+    { name = "pyyaml", specifier = ">=6.0.0" },
+    { name = "requests", specifier = ">=2.31.0" },
+    { name = "rich", specifier = ">=13.7.0" },
+    { name = "ruff", marker = "extra == 'dev'", specifier = ">=0.1.0" },
+    { name = "safety", marker = "extra == 'dev'", specifier = ">=2.3.0" },
+    { name = "sphinx", marker = "extra == 'dev'", specifier = ">=7.2.0" },
+    { name = "sphinx", marker = "extra == 'docs'", specifier = ">=7.2.0" },
+    { name = "sphinx-autoapi", marker = "extra == 'docs'", specifier = ">=3.0.0" },
+    { name = "sphinx-rtd-theme", marker = "extra == 'dev'", specifier = ">=2.0.0" },
+    { name = "sphinx-rtd-theme", marker = "extra == 'docs'", specifier = ">=2.0.0" },
+    { name = "sqlparse", specifier = ">=0.4.4" },
+    { name = "starlette", specifier = ">=0.27.0" },
+    { name = "structlog", specifier = ">=23.2.0" },
+    { name = "toml", specifier = ">=0.10.0" },
+    { name = "tox", marker = "extra == 'dev'", specifier = ">=4.11.0" },
+    { name = "tqdm", specifier = ">=4.66.0" },
+    { name = "typer", specifier = ">=0.9.0" },
+    { name = "uvicorn", extras = ["standard"], specifier = ">=0.25.0" },
+    { name = "uvloop", marker = "extra == 'performance'", specifier = ">=0.19.0" },
+    { name = "websockets", specifier = ">=12.0" },
+]
+provides-extras = ["dev", "docs", "performance", "monitoring"]
+
+[package.metadata.requires-dev]
+dev = [{ name = "ruff", specifier = ">=0.11.13" }]
+
 [[package]]
 name = "mdit-py-plugins"
 version = "0.4.2"