1 篇文章带有标签 “sql-agent”

SQL Chain

from datetime import datetime
from operator import itemgetter

from langchain.chains import create_sql_query_chain

from langchain_core.output_parsers import StrOutputParser
from langchain_core.prompts import PromptTemplate
from langchain_core.runnables import RunnablePassthrough
from langchain_core.runnables import RunnableLambda

from langchain_community.chat_models.tongyi import ChatTongyi
from langchain_community.utilities import SQLDatabase
from langchain_community.tools.sql_database.tool import QuerySQLDataBaseTool


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