NLSQL

Generates SQL query from natural language for your PostrgreSQL database. Simply connects to your database, gets the schema and generates query appropriately.

User Guide

you can use nlsql as httpserver and as a cli-command

Installation

pip install nlsql

run as http server

1. start up the api server

   nlsql -s

2. get results via curl

   curl --location 'http://localhost:8000/query' \
   --header 'Content-Type: application/json' \
   --data-raw '{
   "question": "get users with post that has top views and top reactions in the last 24 hours",
   "db_url": "postgresql://postgres:postgres@localhost:5432/postgres"
   }'
   

run as cli command

nlsql -m "./Nous-Hermes-2-Mistral-7B-DPO.Q4_0.gguf" -d "postgresql://postgres:postgres@localhost:5432/postgres" -q "get users with post that has top views and top reactions in the last 24 hours"

Response

    SELECT DISTINCT ON (users.id) users.id, users.name
    FROM users
    JOIN posts ON users.id = posts.post_creator_user_id
    WHERE posts.created_at > now() - interval '1 day'
    GROUP BY users.id, users.name
    HAVING SUM(posts.views) >= ALL (SELECT SUM(views) FROM posts WHERE created_at > now() - interval '1 day') AND SUM(posts.reactions) >= ALL (SELECT SUM(reactions) FROM posts WHERE created_at > now() - interval '1 day');

response was generated over the following users and posts tables:

postgres=# \d users
   Column   |            Type             | Collation | Nullable |              Default              
------------+-----------------------------+-----------+----------+-----------------------------------
 id         | integer                     |           | not null | nextval('users_id_seq'::regclass)
 name       | text                        |           |          | 
 created_at | timestamp without time zone |           |          | 

postgres=# \d posts
        Column        |            Type             | Collation | Nullable |              Default              
----------------------+-----------------------------+-----------+----------+-----------------------------------
 id                   | integer                     |           | not null | nextval('posts_id_seq'::regclass)
 title                | text                        |           |          | 
 url                  | text                        |           |          | 
 post_creator_user_id | integer                     |           |          | 
 views                | integer                     |           |          | 
 reactions            | integer                     |           |          | 
 created_at           | timestamp without time zone |           |          | 
 updated_at           | timestamp without time zone |           |          |