mirror of
https://github.com/hwchase17/langchain
synced 2024-10-31 15:20:26 +00:00
130 lines
2.6 KiB
Plaintext
130 lines
2.6 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "0ed6aab1",
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"metadata": {
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"pycharm": {
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"name": "#%% md\n"
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}
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},
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"source": [
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"# SQLite example\n",
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"\n",
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"This example showcases hooking up an LLM to answer questions over a database."
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]
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},
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{
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"cell_type": "markdown",
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"id": "b2f66479",
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"metadata": {
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"pycharm": {
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"name": "#%% md\n"
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}
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},
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"source": [
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"This uses the example Chinook database.\n",
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"To set it up follow the instructions on https://database.guide/2-sample-databases-sqlite/, placing the `.db` file in a notebooks folder at the root of this repository."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "d0e27d88",
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"metadata": {
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"pycharm": {
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"name": "#%%\n"
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}
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},
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"outputs": [],
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"source": [
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"from langchain import OpenAI, SQLDatabase, SQLDatabaseChain"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "72ede462",
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"metadata": {
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"pycharm": {
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"name": "#%%\n"
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}
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},
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"outputs": [],
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"source": [
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"db = SQLDatabase.from_uri(\"sqlite:///../../../notebooks/Chinook.db\")\n",
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"llm = OpenAI(temperature=0)\n",
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"db_chain = SQLDatabaseChain(llm=llm, database=db, verbose=True)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"id": "15ff81df",
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"metadata": {
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"pycharm": {
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"name": "#%%\n"
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}
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"\n",
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"\n",
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"\u001b[1m> Entering new chain...\u001b[0m\n",
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"How many employees are there?\n",
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"SQLQuery:\u001b[102m SELECT COUNT(*) FROM Employee\u001b[0m\n",
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"SQLResult: \u001b[103m[(8,)]\u001b[0m\n",
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"Answer:\u001b[102m 8\u001b[0m\n",
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"\u001b[1m> Finished chain.\u001b[0m\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"' 8'"
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]
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},
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"execution_count": 3,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"db_chain.run(\"How many employees are there?\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "61d91b85",
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.6"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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