725e4912ae
**Description:** I found that the link to the notebook in the Migration notes is broken, i found that it was linked to this file https://github.com/langchain-ai/langchain/blob/v0.0.250/docs/extras/use_cases/tabular/sql_query.ipynb and i think now this tutorial https://github.com/JuanFKurucz/langchain/blob/master/docs/docs/tutorials/sql_qa.ipynb is the best fit for this reference **Twitter handle:** @juanfkurucz --------- Co-authored-by: Chester Curme <chester.curme@gmail.com>
1.8 KiB
Migrating
🚨Breaking Changes for select chains (SQLDatabase) on 7/28/23
In an effort to make langchain leaner and safer, we are moving select chains to langchain_experimental.
This migration has already started, but we are remaining backwards compatible until 7/28.
On that date, we will remove functionality from langchain.
Read more about the motivation and the progress here.
Migrating to langchain_experimental
We are moving any experimental components of LangChain, or components with vulnerability issues, into langchain_experimental.
This guide covers how to migrate.
Installation
Previously:
pip install -U langchain
Now (only if you want to access things in experimental):
pip install -U langchain langchain_experimental
Things in langchain.experimental
Previously:
from langchain.experimental import ...
Now:
from langchain_experimental import ...
PALChain
Previously:
from langchain.chains import PALChain
Now:
from langchain_experimental.pal_chain import PALChain
SQLDatabaseChain
Previously:
from langchain.chains import SQLDatabaseChain
Now:
from langchain_experimental.sql import SQLDatabaseChain
Alternatively, if you are just interested in using the query generation part of the SQL chain, you can check out this SQL question-answering tutorial
from langchain.chains import create_sql_query_chain
load_prompt for Python files
Note: this only applies if you want to load Python files as prompts. If you want to load json/yaml files, no change is needed.
Previously:
from langchain.prompts import load_prompt
Now:
from langchain_experimental.prompts import load_prompt