Multi DB support

pilot/common/schema.py

@@ -12,3 +12,31 @@ class SeparatorStyle(Enum):
 class ExampleType(Enum):
     ONE_SHOT = "one_shot"
     FEW_SHOT = "few_shot"
+
+
+class DbInfo:
+    def __init__(self, name, is_file_db: bool = False):
+        self.name = name
+        self.is_file_db = is_file_db
+
+
+class DBType(Enum):
+    Mysql = DbInfo("mysql")
+    OCeanBase = DbInfo("oceanbase")
+    DuckDb = DbInfo("duckdb", True)
+    Oracle = DbInfo("oracle")
+    MSSQL = DbInfo("mssql")
+    Postgresql = DbInfo("postgresql")
+
+    def value(self):
+        return self._value_.name;
+
+    def is_file_db(self):
+        return self._value_.is_file_db
+
+    @staticmethod
+    def of_db_type(db_type: str):
+        for item in DBType.__members__:
+            if item.value().name == db_type:
+                return item
+        return None

pilot/configs/config.py

@@ -28,6 +28,8 @@ class Config(metaclass=Singleton):
         self.skip_reprompt = False
         self.temperature = float(os.getenv("TEMPERATURE", 0.7))
 
+        self.NUM_GPUS = int(os.getenv("NUM_GPUS",1))
+
         self.execute_local_commands = (
             os.getenv("EXECUTE_LOCAL_COMMANDS", "False") == "True"
         )
@@ -116,25 +118,15 @@ class Config(metaclass=Singleton):
             os.getenv("NATIVE_SQL_CAN_RUN_WRITE", "True") == "True"
         )
 
-        ### Local database connection configuration
+        ### default Local database connection configuration
         self.LOCAL_DB_HOST = os.getenv("LOCAL_DB_HOST", "127.0.0.1")
         self.LOCAL_DB_PATH = os.getenv("LOCAL_DB_PATH", "xx.db")
+        self.LOCAL_DB_NAME = os.getenv("LOCAL_DB_NAME")
         self.LOCAL_DB_PORT = int(os.getenv("LOCAL_DB_PORT", 3306))
         self.LOCAL_DB_USER = os.getenv("LOCAL_DB_USER", "root")
         self.LOCAL_DB_PASSWORD = os.getenv("LOCAL_DB_PASSWORD", "aa123456")
 
-        ### TODO Adapt to multiple types of libraries
+        self.LOCAL_DB_MANAGE = None
-        self.local_db = Database.from_uri(
-            "mysql+pymysql://"
-            + self.LOCAL_DB_USER
-            + ":"
-            + self.LOCAL_DB_PASSWORD
-            + "@"
-            + self.LOCAL_DB_HOST
-            + ":"
-            + str(self.LOCAL_DB_PORT),
-            engine_args={"pool_size": 10, "pool_recycle": 3600, "echo": True},
-        )
 
         ### LLM Model Service Configuration
         self.LLM_MODEL = os.getenv("LLM_MODEL", "vicuna-13b")

pilot/connections/base.py

@@ -7,11 +7,8 @@ from pydantic import BaseModel, Extra, Field, root_validator
 from typing import Any, Iterable, List, Optional
 
 
-class BaseConnect(BaseModel, ABC):
+class BaseConnect( ABC):
-    type
+    def get_connect(self, db_name: str):
-    driver: str
-
-    def get_session(self, db_name: str):
         pass
 
     def get_table_names(self) -> Iterable[str]:
@@ -20,14 +17,41 @@ class BaseConnect(BaseModel, ABC):
     def get_table_info(self, table_names: Optional[List[str]] = None) -> str:
         pass
 
-    def get_table_info(self, table_names: Optional[List[str]] = None) -> str:
+    def get_index_info(self, table_names: Optional[List[str]] = None) -> str:
         pass
 
-    def get_index_info(self, table_names: Optional[List[str]] = None) -> str:
+    def get_example_data(self, table: str, count: int = 3):
         pass
 
     def get_database_list(self):
         pass
 
+    def get_database_names(self):
+        pass
+
+    def get_table_comments(self, db_name):
+        pass
+
     def run(self, session, command: str, fetch: str = "all") -> List:
         pass
+
+    def get_users(self):
+        pass
+
+    def get_grants(self):
+        pass
+
+    def get_collation(self):
+        pass
+
+    def get_charset(self):
+        pass
+
+    def get_fields(self, table_name):
+        pass
+
+    def get_show_create_table(self, table_name):
+        pass
+
+    def get_indexes(self, table_name):
+        pass

pilot/connections/manages/connect_storage_duckdb.py

@@ -0,0 +1,116 @@
+import os
+import duckdb
+from typing import List
+
+default_db_path = os.path.join(os.getcwd(), "message")
+duckdb_path = os.getenv("DB_DUCKDB_PATH", default_db_path + "/connect_config.db")
+table_name = "connect_config"
+
+
+class DuckdbConnectConfig:
+    def __init__(self):
+        os.makedirs(default_db_path, exist_ok=True)
+        self.connect = duckdb.connect(duckdb_path)
+        self.__init_config_tables()
+
+    def __init_config_tables(self):
+        # check config table
+        result = self.connect.execute(
+            "SELECT name FROM sqlite_master WHERE type='table' AND name=?", [table_name]
+        ).fetchall()
+
+        if not result:
+            # create config table
+            self.connect.execute(
+                "CREATE TABLE connect_config (id integer primary key, db_name VARCHAR(100) UNIQUE, db_type VARCHAR(50),  db_path VARCHAR(255) NULL, db_host VARCHAR(255) NULL,  db_port INTEGER NULL,  db_user VARCHAR(255) NULL,  db_pwd VARCHAR(255) NULL,  comment TEXT NULL)"
+            )
+            self.connect.execute("CREATE SEQUENCE seq_id START 1;")
+
+    def add_url_db(self, db_name, db_type, db_host: str, db_port: int, db_user: str, db_pwd: str, comment: str = ""):
+        try:
+            cursor = self.connect.cursor()
+            cursor.execute(
+                "INSERT INTO connect_config(id, db_name, db_type, db_path, db_host, db_port, db_user, db_pwd, comment)VALUES(nextval('seq_id'),?,?,?,?,?,?,?,?)",
+                [db_name, db_type, "", db_host, db_port, db_user, db_pwd, comment],
+            )
+            cursor.commit()
+            self.connect.commit()
+        except Exception as e:
+            print("add db connect info error1！" + str(e))
+
+    def get_file_db_name(self, path):
+        try:
+            conn = duckdb.connect(path)
+            result = conn.execute('SELECT current_database()').fetchone()[0]
+            return result
+        except Exception as e:
+            raise "Unusable duckdb database path:" + path
+
+    def add_file_db(self, db_name, db_type, db_path: str):
+        try:
+            cursor = self.connect.cursor()
+            cursor.execute(
+                "INSERT INTO connect_config(id, db_name, db_type, db_path, db_host, db_port, db_user, db_pwd, comment)VALUES(nextval('seq_id'),?,?,?,?,?,?,?,?)",
+                [db_name, db_type, db_path, "", "", "", "", ""],
+            )
+            cursor.commit()
+            self.connect.commit()
+        except Exception as e:
+            print("add db connect info error2！" + str(e))
+
+    def delete_db(self, db_name):
+        cursor = self.connect.cursor()
+        cursor.execute(
+            "DELETE FROM connect_config where db_name=?", [db_name]
+        )
+        cursor.commit()
+        return True
+
+    def get_db_config(self, db_name):
+        if os.path.isfile(duckdb_path):
+            cursor = duckdb.connect(duckdb_path).cursor()
+            if db_name:
+                cursor.execute(
+                    "SELECT * FROM connect_config where db_name=? ", [db_name]
+                )
+            else:
+                raise ValueError("Cannot get database by name" + db_name)
+
+            fields = [field[0] for field in cursor.description]
+            row_dict = {}
+            for row in cursor.fetchall()[0]:
+                for i, field in enumerate(fields):
+                    row_dict[field] = row[i]
+            return row_dict
+        return {}
+
+    def get_db_list(self):
+        if os.path.isfile(duckdb_path):
+            cursor = duckdb.connect(duckdb_path).cursor()
+            cursor.execute(
+                "SELECT db_name, db_type, comment FROM connect_config "
+            )
+
+            fields = [field[0] for field in cursor.description]
+            data = []
+            for row in cursor.fetchall():
+                row_dict = {}
+                for i, field in enumerate(fields):
+                    row_dict[field] = row[i]
+                data.append(row_dict)
+            return data
+
+        return []
+
+
+    def get_db_names(self):
+        if os.path.isfile(duckdb_path):
+            cursor = duckdb.connect(duckdb_path).cursor()
+            cursor.execute(
+                "SELECT db_name FROM connect_config "
+            )
+            data = []
+            for row in cursor.fetchall():
+                data.append(row[0])
+            return data
+        return []

pilot/connections/manages/connection_manager.py

@@ -0,0 +1,87 @@
+from pilot.configs.config import Config
+from pilot.connections.manages.connect_storage_duckdb import DuckdbConnectConfig
+from pilot.common.schema import DBType
+from pilot.connections.rdbms.mysql import MySQLConnect
+from pilot.connections.base import BaseConnect
+from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
+from pilot.singleton import Singleton
+from pilot.common.sql_database import Database
+
+CFG = Config()
+
+
+class ConnectManager:
+
+    def get_instance_by_dbtype(db_type, **kwargs):
+        chat_classes = BaseConnect.__subclasses__()
+        implementation = None
+        for cls in chat_classes:
+            if cls.db_type == db_type:
+                implementation = cls(**kwargs)
+        if implementation == None:
+            raise Exception(f"Invalid db connect implementation！DbType:{db_type}")
+        return implementation
+
+    def __init__(self):
+        self.storage = DuckdbConnectConfig()
+        self.__load_config_db()
+
+    def __load_config_db(self):
+        if CFG.LOCAL_DB_HOST:
+            # default mysql
+            if CFG.LOCAL_DB_NAME:
+                self.storage.add_url_db(CFG.LOCAL_DB_NAME, DBType.Mysql.value(), CFG.LOCAL_DB_HOST, CFG.LOCAL_DB_PORT,
+                                        CFG.LOCAL_DB_USER, CFG.LOCAL_DB_PASSWORD, "")
+            else:
+                # get all default mysql database
+                default_mysql = Database.from_uri(
+                    "mysql+pymysql://"
+                    + CFG.LOCAL_DB_USER
+                    + ":"
+                    + CFG.LOCAL_DB_PASSWORD
+                    + "@"
+                    + CFG.LOCAL_DB_HOST
+                    + ":"
+                    + str(CFG.LOCAL_DB_PORT),
+                    engine_args={"pool_size": 10, "pool_recycle": 3600, "echo": True},
+                )
+                # default_mysql = MySQLConnect.from_uri(
+                #     "mysql+pymysql://"
+                #     + CFG.LOCAL_DB_USER
+                #     + ":"
+                #     + CFG.LOCAL_DB_PASSWORD
+                #     + "@"
+                #     + CFG.LOCAL_DB_HOST
+                #     + ":"
+                #     + str(CFG.LOCAL_DB_PORT),
+                #     engine_args={"pool_size": 10, "pool_recycle": 3600, "echo": True},
+                # )
+                dbs = default_mysql.get_database_list()
+                for name in dbs:
+                    self.storage.add_url_db(name, DBType.Mysql.value(), CFG.LOCAL_DB_HOST, CFG.LOCAL_DB_PORT,
+                                            CFG.LOCAL_DB_USER, CFG.LOCAL_DB_PASSWORD, "")
+        if CFG.LOCAL_DB_PATH:
+            # default file db is duckdb
+            db_name = self.storage.get_file_db_name(CFG.LOCAL_DB_PATH)
+            if db_name:
+                self.storage.add_file_db(db_name, DBType.DuckDb.value(), CFG.LOCAL_DB_PATH)
+
+    def get_connect(self, db_name):
+        db_config = self.storage.get_db_config(db_name)
+        db_type = DBType.of_db_type(db_config.get('db_type'))
+        connect_instance = self.get_instance_by_dbtype(db_type)
+        if db_type.is_file_db():
+            db_path = db_config.get('db_path')
+            return connect_instance.from_file(db_path)
+        else:
+            db_host = db_config.get('db_host')
+            db_port = db_config.get('db_port')
+            db_user = db_config.get('db_user')
+            db_pwd = db_config.get('db_pwd')
+            return connect_instance.from_uri_db(db_host, db_port, db_user, db_pwd, db_name)
+
+    def get_db_list(self):
+        return self.storage.get_db_list()
+
+    def get_db_names(self):
+        return self.storage.get_db_names()

pilot/connections/rdbms/clickhouse.py

@@ -10,7 +10,7 @@ CFG = Config()
 class ClickHouseConnector(RDBMSDatabase):
     """ClickHouseConnector"""
 
-    type: str = "DUCKDB"
+    db_type: str = "duckdb"
 
     driver: str = "duckdb"
 

pilot/connections/rdbms/duckdb.py

@@ -1,7 +1,14 @@
-from typing import Optional, Any
+from typing import Optional, Any, Iterable
+from sqlalchemy import (
+    MetaData,
+    Table,
+    create_engine,
+    inspect,
+    select,
+    text,
+)
 
 from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
-
 from pilot.configs.config import Config
 
 CFG = Config()
@@ -13,29 +20,15 @@ class DuckDbConnect(RDBMSDatabase):
     Usage:
     """
 
-    type: str = "DUCKDB"
+    def table_simple_info(self) -> Iterable[str]:
+        return super().get_table_names()
 
-    driver: str = "duckdb"
+    db_type: str = "duckdb"
-
-    file_path: str
-
-    default_db = ["information_schema", "performance_schema", "sys", "mysql"]
 
     @classmethod
-    def from_config(cls) -> RDBMSDatabase:
+    def from_file_path(
-        """
+        cls, file_path: str, engine_args: Optional[dict] = None, **kwargs: Any
-        Todo password encryption
-        Returns:
-        """
-        return cls.from_uri_db(
-            cls,
-            CFG.LOCAL_DB_PATH,
-            engine_args={"pool_size": 10, "pool_recycle": 3600, "echo": True},
-        )
-
-    @classmethod
-    def from_uri_db(
-        cls, db_path: str, engine_args: Optional[dict] = None, **kwargs: Any
     ) -> RDBMSDatabase:
-        db_url: str = cls.connect_driver + "://" + db_path
+        """Construct a SQLAlchemy engine from URI."""
-        return cls.from_uri(db_url, engine_args, **kwargs)
+        _engine_args = engine_args or {}
+        return cls(create_engine("duckdb://" + file_path, **_engine_args), **kwargs)

pilot/connections/rdbms/mssql.py

@@ -11,8 +11,8 @@ class MSSQLConnect(RDBMSDatabase):
     Usage:
     """
 
-    type: str = "MSSQL"
+    db_type: str = "mssql"
-    dialect: str = "mssql"
+    db_dialect: str = "mssql"
     driver: str = "pyodbc"
 
     default_db = ["master", "model", "msdb", "tempdb", "modeldb", "resource"]

pilot/connections/rdbms/mysql.py

@@ -11,8 +11,8 @@ class MySQLConnect(RDBMSDatabase):
     Usage:
     """
 
-    type: str = "MySQL"
+    db_type: str = "mysql"
-    dialect: str = "mysql"
+    db_dialect: str = "mysql"
     driver: str = "pymysql"
 
     default_db = ["information_schema", "performance_schema", "sys", "mysql"]

pilot/connections/rdbms/oracle.py

@@ -6,7 +6,7 @@ from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
 class OracleConnector(RDBMSDatabase):
     """OracleConnector"""
 
-    type: str = "ORACLE"
+    db_type: str = "oracle"
 
     driver: str = "oracle"
 

pilot/connections/rdbms/postgres.py

@@ -6,7 +6,7 @@ from pilot.connections.rdbms.rdbms_connect import RDBMSDatabase
 class PostgresConnector(RDBMSDatabase):
     """PostgresConnector is a class which Connector"""
 
-    type: str = "POSTGRESQL"
+    db_type: str = "postgresql"
     driver: str = "postgresql"
 
     default_db = ["information_schema", "performance_schema", "sys", "mysql"]

pilot/connections/rdbms/rdbms_connect.py

@@ -1,6 +1,9 @@
 from __future__ import annotations
 
 import warnings
+import sqlparse
+import regex as re
+
 from typing import Any, Iterable, List, Optional
 from pydantic import BaseModel, Field, root_validator, validator, Extra
 from abc import ABC, abstractmethod
@@ -48,26 +51,11 @@ class RDBMSDatabase(BaseConnect):
         if include_tables and ignore_tables:
             raise ValueError("Cannot specify both include_tables and ignore_tables")
 
-        self._inspector = inspect(self._engine)
+        self._inspector = inspect(engine)
         session_factory = sessionmaker(bind=engine)
-        Session = scoped_session(session_factory)
+        Session_Manages = scoped_session(session_factory)
-
+        self._db_sessions = Session_Manages
-        self._db_sessions = Session
+        self.session = self.get_session()
-
-    @classmethod
-    def from_config(cls) -> RDBMSDatabase:
-        """
-        Todo password encryption
-        Returns:
-        """
-        return cls.from_uri_db(
-            cls,
-            CFG.LOCAL_DB_HOST,
-            CFG.LOCAL_DB_PORT,
-            CFG.LOCAL_DB_USER,
-            CFG.LOCAL_DB_PASSWORD,
-            engine_args={"pool_size": 10, "pool_recycle": 3600, "echo": True},
-        )
 
     @classmethod
     def from_uri_db(
@@ -76,7 +64,7 @@ class RDBMSDatabase(BaseConnect):
             port: int,
             user: str,
             pwd: str,
-        db_name: str = None,
+            db_name: str,
             engine_args: Optional[dict] = None,
             **kwargs: Any,
     ) -> RDBMSDatabase:
@@ -90,11 +78,9 @@ class RDBMSDatabase(BaseConnect):
                 + CFG.LOCAL_DB_HOST
                 + ":"
                 + str(CFG.LOCAL_DB_PORT)
+                + "/"
+                + db_name
         )
-        if cls.dialect:
-            db_url = cls.dialect + "+" + db_url
-        if db_name:
-            db_url = db_url + "/" + db_name
         return cls.from_uri(db_url, engine_args, **kwargs)
 
     @classmethod
@@ -123,24 +109,17 @@ class RDBMSDatabase(BaseConnect):
         )
         return self.get_usable_table_names()
 
-    def get_session(self, db_name: str):
+    def get_session(self):
         session = self._db_sessions()
-
         self._metadata = MetaData()
-        # sql = f"use {db_name}"
+        self._metadata.reflect(bind=self._engine)
-        sql = text(f"use `{db_name}`")
-        session.execute(sql)
-
-        # 处理表信息数据
-
-        self._metadata.reflect(bind=self._engine, schema=db_name)
 
         # including view support by adding the views as well as tables to the all
         # tables list if view_support is True
         self._all_tables = set(
-            self._inspector.get_table_names(schema=db_name)
+            self._inspector.get_table_names()
             + (
-                self._inspector.get_view_names(schema=db_name)
+                self._inspector.get_view_names()
                 if self.view_support
                 else []
             )
@@ -148,14 +127,14 @@ class RDBMSDatabase(BaseConnect):
 
         return session
 
-    def get_current_db_name(self, session) -> str:
+    def get_current_db_name(self) -> str:
-        return session.execute(text("SELECT DATABASE()")).scalar()
+        return self.session.execute(text("SELECT DATABASE()")).scalar()
 
-    def table_simple_info(self, session):
+    def table_simple_info(self):
         _sql = f"""
-                select concat(table_name, "(" , group_concat(column_name), ")") as schema_info from information_schema.COLUMNS where table_schema="{self.get_current_db_name(session)}" group by TABLE_NAME;
+                select concat(table_name, "(" , group_concat(column_name), ")") as schema_info from information_schema.COLUMNS where table_schema="{self.get_current_db_name()}" group by TABLE_NAME;
             """
-        cursor = session.execute(text(_sql))
+        cursor = self.session.execute(text(_sql))
         results = cursor.fetchall()
         return results
 
@@ -255,9 +234,31 @@ class RDBMSDatabase(BaseConnect):
             """Format the error message"""
             return f"Error: {e}"
 
-    def run(self, session, command: str, fetch: str = "all") -> List:
+    def __write(self, session, write_sql):
-        """Execute a SQL command and return a string representing the results."""
+        print(f"Write[{write_sql}]")
-        cursor = session.execute(text(command))
+        db_cache = self.get_session_db(session)
+        result = session.execute(text(write_sql))
+        session.commit()
+        # TODO  Subsequent optimization of dynamically specified database submission loss target problem
+        session.execute(text(f"use `{db_cache}`"))
+        print(f"SQL[{write_sql}], result:{result.rowcount}")
+        return result.rowcount
+
+    def __query(self, session, query, fetch: str = "all"):
+        """
+        only for query
+        Args:
+            session:
+            query:
+            fetch:
+
+        Returns:
+
+        """
+        print(f"Query[{query}]")
+        if not query:
+            return []
+        cursor = session.execute(text(query))
         if cursor.returns_rows:
             if fetch == "all":
                 result = cursor.fetchall()
@@ -271,6 +272,62 @@ class RDBMSDatabase(BaseConnect):
             result.insert(0, field_names)
             return result
 
+    def query_ex(self, session, query, fetch: str = "all"):
+        """
+        only for query
+        Args:
+            session:
+            query:
+            fetch:
+        Returns:
+        """
+        print(f"Query[{query}]")
+        if not query:
+            return []
+        cursor = session.execute(text(query))
+        if cursor.returns_rows:
+            if fetch == "all":
+                result = cursor.fetchall()
+            elif fetch == "one":
+                result = cursor.fetchone()[0]  # type: ignore
+            else:
+                raise ValueError("Fetch parameter must be either 'one' or 'all'")
+            field_names = list(i[0:] for i in cursor.keys())
+
+            result = list(result)
+            return field_names, result
+
+    def run(self, session, command: str, fetch: str = "all") -> List:
+        """Execute a SQL command and return a string representing the results."""
+        print("SQL:" + command)
+        if not command:
+            return []
+        parsed, ttype, sql_type = self.__sql_parse(command)
+        if ttype == sqlparse.tokens.DML:
+            if sql_type == "SELECT":
+                return self.__query(session, command, fetch)
+            else:
+                self.__write(session, command)
+                select_sql = self.convert_sql_write_to_select(command)
+                print(f"write result query:{select_sql}")
+                return self.__query(session, select_sql)
+
+        else:
+            print(f"DDL execution determines whether to enable through configuration ")
+            cursor = session.execute(text(command))
+            session.commit()
+            if cursor.returns_rows:
+                result = cursor.fetchall()
+                field_names = tuple(i[0:] for i in cursor.keys())
+                result = list(result)
+                result.insert(0, field_names)
+                print("DDL Result:" + str(result))
+                if not result:
+                    return self.__query(session, "SHOW COLUMNS FROM test")
+                return result
+            else:
+                return self.__query(session, "SHOW COLUMNS FROM test")
+
     def run_no_throw(self, session, command: str, fetch: str = "all") -> List:
         """Execute a SQL command and return a string representing the results.
 
@@ -294,3 +351,152 @@ class RDBMSDatabase(BaseConnect):
             for d in results
             if d[0] not in ["information_schema", "performance_schema", "sys", "mysql"]
         ]
+
+    def convert_sql_write_to_select(self, write_sql):
+        """
+        SQL classification processing
+        author:xiangh8
+        Args:
+            sql:
+
+        Returns:
+
+        """
+        # 将SQL命令转换为小写，并按空格拆分
+        parts = write_sql.lower().split()
+        # 获取命令类型（insert, delete, update）
+        cmd_type = parts[0]
+
+        # 根据命令类型进行处理
+        if cmd_type == "insert":
+            match = re.match(
+                r"insert into (\w+) \((.*?)\) values \((.*?)\)", write_sql.lower()
+            )
+            if match:
+                table_name, columns, values = match.groups()
+                # 将字段列表和值列表分割为单独的字段和值
+                columns = columns.split(",")
+                values = values.split(",")
+                # 构造 WHERE 子句
+                where_clause = " AND ".join(
+                    [
+                        f"{col.strip()}={val.strip()}"
+                        for col, val in zip(columns, values)
+                    ]
+                )
+                return f"SELECT * FROM {table_name} WHERE {where_clause}"
+
+        elif cmd_type == "delete":
+            table_name = parts[2]  # delete from <table_name> ...
+            # 返回一个select语句，它选择该表的所有数据
+            return f"SELECT * FROM {table_name} "
+
+        elif cmd_type == "update":
+            table_name = parts[1]
+            set_idx = parts.index("set")
+            where_idx = parts.index("where")
+            # 截取 `set` 子句中的字段名
+            set_clause = parts[set_idx + 1: where_idx][0].split("=")[0].strip()
+            # 截取 `where` 之后的条件语句
+            where_clause = " ".join(parts[where_idx + 1:])
+            # 返回一个select语句，它选择更新的数据
+            return f"SELECT {set_clause} FROM {table_name} WHERE {where_clause}"
+        else:
+            raise ValueError(f"Unsupported SQL command type: {cmd_type}")
+
+    def __sql_parse(self, sql):
+        sql = sql.strip()
+        parsed = sqlparse.parse(sql)[0]
+        sql_type = parsed.get_type()
+
+        first_token = parsed.token_first(skip_ws=True, skip_cm=False)
+        ttype = first_token.ttype
+        print(f"SQL:{sql}, ttype:{ttype}, sql_type:{sql_type}")
+        return parsed, ttype, sql_type
+
+    def get_indexes(self, table_name):
+        """Get table indexes about specified table."""
+        session = self._db_sessions()
+        cursor = session.execute(text(f"SHOW INDEXES FROM {table_name}"))
+        indexes = cursor.fetchall()
+        return [(index[2], index[4]) for index in indexes]
+
+    def get_show_create_table(self, table_name):
+        """Get table show create table about specified table."""
+        session = self._db_sessions()
+        cursor = session.execute(text(f"SHOW CREATE TABLE  {table_name}"))
+        ans = cursor.fetchall()
+        return ans[0][1]
+
+    def get_fields(self, table_name):
+        """Get column fields about specified table."""
+        session = self._db_sessions()
+        cursor = session.execute(
+            text(
+                f"SELECT COLUMN_NAME, COLUMN_TYPE, COLUMN_DEFAULT, IS_NULLABLE, COLUMN_COMMENT  from information_schema.COLUMNS where table_name='{table_name}'".format(
+                    table_name
+                )
+            )
+        )
+        fields = cursor.fetchall()
+        return [(field[0], field[1], field[2], field[3], field[4]) for field in fields]
+
+    def get_charset(self):
+        """Get character_set."""
+        session = self._db_sessions()
+        cursor = session.execute(text(f"SELECT @@character_set_database"))
+        character_set = cursor.fetchone()[0]
+        return character_set
+
+    def get_collation(self):
+        """Get collation."""
+        session = self._db_sessions()
+        cursor = session.execute(text(f"SELECT @@collation_database"))
+        collation = cursor.fetchone()[0]
+        return collation
+
+    def get_grants(self):
+        """Get grant info."""
+        session = self._db_sessions()
+        cursor = session.execute(text(f"SHOW GRANTS"))
+        grants = cursor.fetchall()
+        return grants
+
+    def get_users(self):
+        """Get user info."""
+        cursor = self.session.execute(text(f"SELECT user, host FROM mysql.user"))
+        users = cursor.fetchall()
+        return [(user[0], user[1]) for user in users]
+
+    def get_table_comments(self, db_name):
+        cursor = self.session.execute(
+            text(
+                f"""SELECT table_name, table_comment    FROM information_schema.tables   WHERE table_schema = '{db_name}'""".format(
+                    db_name
+                )
+            )
+        )
+        table_comments = cursor.fetchall()
+        return [
+            (table_comment[0], table_comment[1]) for table_comment in table_comments
+        ]
+
+    def get_database_list(self):
+        session = self._db_sessions()
+        cursor = session.execute(text(" show databases;"))
+        results = cursor.fetchall()
+        return [
+            d[0]
+            for d in results
+            if d[0] not in ["information_schema", "performance_schema", "sys", "mysql"]
+        ]
+
+    def get_database_names(self):
+        session = self._db_sessions()
+        cursor = session.execute(text(" show databases;"))
+        results = cursor.fetchall()
+        return [
+            d[0]
+            for d in results
+            if d[0] not in ["information_schema", "performance_schema", "sys", "mysql"]
+        ]

pilot/openapi/api_v1/api_v1.py

@@ -53,7 +53,7 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
     message = ""
     for error in exc.errors():
         message += ".".join(error.get("loc")) + ":" + error.get("msg") + ";"
-    return Result.faild(code= "E0001", msg=message)
+    return Result.faild(code="E0001", msg=message)
 
 
 def __get_conv_user_message(conversations: dict):
@@ -71,11 +71,10 @@ def __new_conversation(chat_mode, user_id) -> ConversationVo:
 
 
 def get_db_list():
-    db = CFG.local_db
+    dbs = CFG.LOCAL_DB_MANAGE.get_db_list()
-    dbs = db.get_database_list()
     params: dict = {}
-    for name in dbs:
+    for item in dbs:
-        params.update({name: name})
+        params.update({item["db_name"]: item["comment"]})
     return params
 
 
@@ -95,8 +94,9 @@ def knowledge_list():
         params.update({space.name: space.name})
     return params
 
+
 @router.get("/v1/chat/dialogue/list", response_model=Result[ConversationVo])
-async def dialogue_list( user_id: str = None):
+async def dialogue_list(user_id: str = None):
     dialogues: List = []
     datas = DuckdbHistoryMemory.conv_list(user_id)
 
@@ -126,11 +126,10 @@ async def dialogue_scenes():
         ChatScene.ChatExecution,
     ]
     for scene in new_modes:
-
         scene_vo = ChatSceneVo(
             chat_scene=scene.value(),
             scene_name=scene.scene_name(),
-            scene_describe= scene.describe(),
+            scene_describe=scene.describe(),
             param_title=",".join(scene.param_types()),
         )
         scene_vos.append(scene_vo)

pilot/scene/chat_dashboard/chat.py

@@ -43,7 +43,7 @@ class ChatDashboard(BaseChat):
             )
         self.db_name = db_name
         self.report_name = report_name
-        self.database = CFG.local_db
+        self.database = CFG.LOCAL_DB_MANAGE.get_connect(db_name)
         # 准备DB信息(拿到指定库的链接)
         self.db_connect = self.database.get_session(self.db_name)
         self.top_k: int = 5

pilot/scene/chat_db/auto_execute/chat.py

@@ -33,9 +33,8 @@ class ChatWithDbAutoExecute(BaseChat):
                 f"{ChatScene.ChatWithDbExecute.value} mode should chose db!"
             )
         self.db_name = db_name
-        self.database = CFG.local_db
+        self.database = CFG.LOCAL_DB_MANAGE.get_connect(db_name)
-        # 准备DB信息(拿到指定库的链接)
+        self.db_connect = self.database.session
-        self.db_connect = self.database.get_session(self.db_name)
         self.top_k: int = 5
 
     def generate_input_values(self):

pilot/scene/chat_db/professional_qa/chat.py

@@ -28,9 +28,8 @@ class ChatWithDbQA(BaseChat):
         )
         self.db_name = db_name
         if db_name:
-            self.database = CFG.local_db
+            self.database = CFG.LOCAL_DB_MANAGE.get_connect(db_name)
-            # 准备DB信息(拿到指定库的链接)
+            self.db_connect = self.database.session
-            self.db_connect = self.database.get_session(self.db_name)
             self.tables = self.database.get_table_names()
 
         self.top_k = (

pilot/server/webserver.py

@@ -84,12 +84,6 @@ priority = {"vicuna-13b": "aaa"}
 
 CHAT_FACTORY = ChatFactory()
 
-DB_SETTINGS = {
-    "user": CFG.LOCAL_DB_USER,
-    "password": CFG.LOCAL_DB_PASSWORD,
-    "host": CFG.LOCAL_DB_HOST,
-    "port": CFG.LOCAL_DB_PORT,
-}
 
 llm_native_dialogue = get_lang_text("knowledge_qa_type_llm_native_dialogue")
 default_knowledge_base_dialogue = get_lang_text(
@@ -144,14 +138,6 @@ def get_simlar(q):
     return "\n".join(contents)
 
 
-def gen_sqlgen_conversation(dbname):
-    message = ""
-    db_connect = CFG.local_db.get_session(dbname)
-    schemas = CFG.local_db.table_simple_info(db_connect)
-    for s in schemas:
-        message += s + ";"
-    return get_lang_text("sql_schema_info").format(dbname, message)
-
 
 def plugins_select_info():
     plugins_infos: dict = {}
@@ -703,7 +689,7 @@ if __name__ == "__main__":
     # init server config
     args = parser.parse_args()
     server_init(args)
-    dbs = CFG.local_db.get_database_list()
+    dbs = CFG.LOCAL_DB_MANAGE.get_db_names()
     demo = build_webdemo()
     demo.queue(
         concurrency_count=args.concurrency_count,

pilot/server/webserver_base.py

@@ -15,6 +15,7 @@ from pilot.configs.model_config import (
 )
 from pilot.common.plugins import scan_plugins, load_native_plugins
 from pilot.utils import build_logger
+from pilot.connections.manages.connection_manager import ConnectManager
 
 ROOT_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 sys.path.append(ROOT_PATH)
@@ -38,6 +39,10 @@ def server_init(args):
 
     # init config
     cfg = Config()
+    # init connect manage
+    conn_manage = ConnectManager()
+    cfg.LOCAL_DB_MANAGE = conn_manage
+
     load_native_plugins(cfg)
     signal.signal(signal.SIGINT, signal_handler)
     async_db_summery()

pilot/summary/db_summary_client.py

@@ -11,6 +11,8 @@ from pilot.embedding_engine.knowledge_embedding import KnowledgeEmbedding
 from pilot.embedding_engine.string_embedding import StringEmbedding
 from pilot.summary.mysql_db_summary import MysqlSummary
 from pilot.scene.chat_factory import ChatFactory
+from pilot.common.schema import DBType
+
 
 CFG = Config()
 chat_factory = ChatFactory()
@@ -24,10 +26,13 @@ class DBSummaryClient:
     def __init__(self):
         pass
 
-    def db_summary_embedding(self, dbname):
+    def db_summary_embedding(self, dbname, db_type):
         """put db profile and table profile summary into vector store"""
-        if CFG.LOCAL_DB_HOST is not None and CFG.LOCAL_DB_PORT is not None:
+        if DBType.Mysql.value() == db_type:
             db_summary_client = MysqlSummary(dbname)
+        else:
+            raise ValueError("Unsupport summary DbType！" + db_type)
+
         embeddings = HuggingFaceEmbeddings(
             model_name=LLM_MODEL_CONFIG[CFG.EMBEDDING_MODEL]
         )
@@ -120,10 +125,10 @@ class DBSummaryClient:
         return related_table_summaries
 
     def init_db_summary(self):
-        db = CFG.local_db
+        db_mange = CFG.LOCAL_DB_MANAGE
-        dbs = db.get_database_list()
+        dbs = db_mange.get_db_list()
-        for dbname in dbs:
+        for item in dbs:
-            self.db_summary_embedding(dbname)
+            self.db_summary_embedding(item["db_name"], item["db_type"])
 
     def init_db_profile(self, db_summary_client, dbname, embeddings):
         profile_store_config = {

pilot/summary/mysql_db_summary.py

@@ -56,8 +56,8 @@ class MysqlSummary(DBSummary):
         self.vector_tables_info = []
         # self.tables_summary = {}
 
-        self.db = CFG.local_db
+        self.db = CFG.LOCAL_DB_MANAGE.get_connect()
-        self.db.get_session(name)
+
 
         self.metadata = """user info :{users}, grant info:{grant}, charset:{charset}, collation:{collation}""".format(
             users=self.db.get_users(),