connect database

pilot/configs/model_config.py

@@ -25,3 +25,11 @@ vicuna_model_server = "http://192.168.31.114:8000"
 # Load model config
 isload_8bit = True
 isdebug = False
+
+
+DB_SETTINGS = {
+    "user": "root",
+    "password": "********",
+    "host": "localhost",
+    "port": 3306
+}

pilot/connections/mysql_conn.py

@@ -5,6 +5,8 @@ import pymysql
 
 class MySQLOperator:
     """Connect MySQL Database fetch MetaData For LLM Prompt """
+
+    default_db = ["information_schema", "performance_schema", "sys", "mysql"]
     def __init__(self, user, password, host="localhost", port=3306) -> None:
         
         self.conn = pymysql.connect(
@@ -25,12 +27,16 @@ class MySQLOperator:
             results = cursor.fetchall()
             return results
 
+    def get_db_list(self):
+        with self.conn.cursor() as cursor:
+            _sql = """ 
+                show databases;
+            """
+            cursor.execute(_sql)
+            results = cursor.fetchall()
+
+            dbs = [d["Database"] for d in results if d["Database"] not in self.default_db]
+            return dbs
+
 
-if __name__ == "__main__":
-    mo = MySQLOperator(
-        "root",
-        "aa123456",
-    )
 
-    schema = mo.get_schema("dbgpt")
-    print(schema)

pilot/conversation.py

@@ -4,7 +4,7 @@
 import dataclasses
 from enum import auto, Enum
 from typing import List, Any
-
+from pilot.configs.model_config import DB_SETTINGS
 
 class SeparatorStyle(Enum):
     
@@ -88,6 +88,19 @@ class Conversation:
         }
 
 
+def gen_sqlgen_conversation(dbname):
+    from pilot.connections.mysql_conn import MySQLOperator
+    mo = MySQLOperator(
+        **DB_SETTINGS
+    )
+
+    message = ""
+
+    schemas = mo.get_schema(dbname)
+    for s in schemas:
+        message += s["schema_info"] + ";"
+    return f"数据库{dbname}的Schema信息如下: {message}\n"
+
 conv_one_shot = Conversation(
     system="A chat between a curious human and an artificial intelligence assistant, who very familiar with database related knowledge. "
     "The assistant gives helpful, detailed, professional and polite answers to the human's questions. ",
@@ -121,7 +134,7 @@ conv_one_shot = Conversation(
     sep_style=SeparatorStyle.SINGLE,
     sep="###"
 )
-
+    
 conv_vicuna_v1 = Conversation(
     system = "A chat between a curious user and an artificial intelligence assistant. who very familiar with database related knowledge. "
     "The assistant gives helpful, detailed, professional and polite answers to the user's questions. ",
@@ -137,5 +150,10 @@ default_conversation = conv_one_shot
 
 conv_templates = {
     "conv_one_shot": conv_one_shot,
-    "vicuna_v1": conv_vicuna_v1
+    "vicuna_v1": conv_vicuna_v1,
 }
+
+
+if __name__ == "__main__":
+    message = gen_sqlgen_conversation("dbgpt")
+    print(message)

pilot/server/webserver.py

@@ -10,6 +10,9 @@ import gradio as gr
 import datetime
 import requests
 from urllib.parse import urljoin
+from pilot.configs.model_config import DB_SETTINGS
+from pilot.connections.mysql_conn import MySQLOperator
+
 
 from pilot.configs.model_config import LOGDIR, vicuna_model_server, LLM_MODEL
 
@@ -29,7 +32,7 @@ from fastchat.utils import (
 from fastchat.serve.gradio_patch import Chatbot as grChatbot
 from fastchat.serve.gradio_css import code_highlight_css
 
-logger = build_logger("webserver", "webserver.log")
+logger = build_logger("webserver", LOGDIR + "webserver.log")
 headers = {"User-Agent": "dbgpt Client"}
 
 no_change_btn = gr.Button.update()
@@ -38,11 +41,28 @@ disable_btn = gr.Button.update(interactive=True)
 
 enable_moderation = False
 models = []
+dbs = []
 
 priority = {
     "vicuna-13b": "aaa"
 }
 
+def gen_sqlgen_conversation(dbname):
+    mo = MySQLOperator(
+        **DB_SETTINGS
+    )
+
+    message = ""
+
+    schemas = mo.get_schema(dbname)
+    for s in schemas:
+        message += s["schema_info"] + ";"
+    return f"数据库{dbname}的Schema信息如下: {message}\n"
+
+def get_database_list():
+    mo = MySQLOperator(**DB_SETTINGS)
+    return mo.get_db_list()
+
 get_window_url_params = """
 function() {
     const params = new URLSearchParams(window.location.search);
@@ -58,12 +78,10 @@ function() {
 def load_demo(url_params, request: gr.Request):
     logger.info(f"load_demo. ip: {request.client.host}. params: {url_params}")
 
+    dbs = get_database_list()
     dropdown_update = gr.Dropdown.update(visible=True)
-    if "model" in url_params:
-        model = url_params["model"]
-        if model in models:
-            dropdown_update = gr.Dropdown.update(
-                value=model, visible=True)
+    if dbs:
+        gr.Dropdown.update(choices=dbs)
 
     state = default_conversation.copy()
     return (state,
@@ -120,10 +138,11 @@ def post_process_code(code):
         code = sep.join(blocks)
     return code
 
-def http_bot(state, temperature, max_new_tokens, request: gr.Request):
+def http_bot(state, db_selector, temperature, max_new_tokens, request: gr.Request):
     start_tstamp = time.time()
     model_name = LLM_MODEL
 
+    dbname = db_selector
     # TODO 这里的请求需要拼接现有知识库, 使得其根据现有知识库作答, 所以prompt需要继续优化
     if state.skip_next:
         # This generate call is skipped due to invalid inputs
@@ -131,16 +150,20 @@ def http_bot(state, temperature, max_new_tokens, request: gr.Request):
         return
 
     if len(state.messages) == state.offset + 2:
-        # First round of conversation
+        # 第一轮对话需要加入提示Prompt 
         
         template_name = "conv_one_shot"
         new_state = conv_templates[template_name].copy()
         new_state.conv_id = uuid.uuid4().hex
-        new_state.append_message(new_state.roles[0], state.messages[-2][1])
+        
+        # prompt 中添加上下文提示
+        new_state.append_message(new_state.roles[0], gen_sqlgen_conversation(dbname) + state.messages[-2][1])
         new_state.append_message(new_state.roles[1], None)
         state = new_state
-
+    
+    
     prompt = state.get_prompt()
+    
     skip_echo_len = len(prompt.replace("</s>", " ")) + 1
 
     # Make requests
@@ -250,11 +273,16 @@ def build_single_model_ui():
 
     with gr.Tabs():
         with gr.TabItem("知识问答", elem_id="QA"):
-            pass
-
+           pass
         with gr.TabItem("SQL生成与诊断", elem_id="SQL"):
             # TODO A selector to choose database
-            pass 
+            with gr.Row(elem_id="db_selector"):
+                db_selector = gr.Dropdown(
+                    label="请选择数据库",
+                    choices=dbs,
+                    value=dbs[0] if len(models) > 0 else "",
+                    interactive=True,
+                    show_label=True).style(container=False) 
     
     with gr.Blocks():
         chatbot = grChatbot(elem_id="chatbot", visible=False).style(height=550)
@@ -277,7 +305,7 @@ def build_single_model_ui():
     btn_list = [regenerate_btn, clear_btn]
     regenerate_btn.click(regenerate, state, [state, chatbot, textbox] + btn_list).then(
         http_bot,
-        [state, temperature, max_output_tokens],
+        [state, db_selector, temperature, max_output_tokens],
         [state, chatbot] + btn_list,
     )
     clear_btn.click(clear_history, None, [state, chatbot, textbox] + btn_list)
@@ -286,7 +314,7 @@ def build_single_model_ui():
         add_text, [state, textbox], [state, chatbot, textbox] + btn_list
     ).then(
         http_bot,
-        [state, temperature, max_output_tokens],
+        [state, db_selector, temperature, max_output_tokens],
         [state, chatbot] + btn_list,
     )
 
@@ -294,7 +322,7 @@ def build_single_model_ui():
         add_text, [state, textbox], [state, chatbot, textbox] + btn_list
     ).then(
         http_bot,
-        [state, temperature, max_output_tokens],
+        [state, db_selector, temperature, max_output_tokens],
         [state, chatbot] + btn_list
     )
 
@@ -351,6 +379,7 @@ if __name__ == "__main__":
     args = parser.parse_args()
     logger.info(f"args: {args}")
 
+    dbs = get_database_list()
     logger.info(args)
     demo = build_webdemo()
     demo.queue(