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This is the implementation of the MatrixOne data handler for MindsDB. MatrixOne is a future-oriented hyper-converged cloud and edge native DBMS that supports transactional, analytical, and streaming workloads with a simplified and distributed database engine, across multiple data centers, clouds, edges, and other heterogeneous infrastructures.

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Implementation

This handler is implemented using PyMySQL, a Python library that allows you to use Python code to run SQL commands on the MatrixOne database. The required arguments to establish a connection are as follows:
  • user is the username associated with the database.
  • password is the password to authenticate your access.
  • host is the hostname or IP address of the database.
  • port is the port through which TCP/IP connection is to be made.
  • database is the database name to be connected.
There are several optional arguments that can be used as well.
  • ssl indicates whether SSL is enabled (True) or disabled (False).
  • ssl_ca is the SSL Certificate Authority.
  • ssl_cert stores the SSL certificates.
  • ssl_key stores the SSL keys.
If you installed MindsDB locally via pip, you need to install all handler dependencies manually. To do so, go to the handler’s folder (mindsdb/integrations/handlers/matrixone_handler) and run this command: pip install -r requirements.txt.

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Usage

In order to make use of this handler and connect to the MatrixOne database in MindsDB, the following syntax can be used: 
CREATE DATABASE matrixone_datasource
WITH
    engine = 'matrixone',
    parameters = {
        "user": "dump",
        "password": "111",
        "host": "127.0.0.1",
        "port": 6001,
        "database": "mo_catalog"
    };
You can use this established connection to query your table as follows: 
SELECT *
FROM Matrixone_datasource.demo;