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This is the implementation of the TiDB data handler for MindsDB. TiDB is an open-source NewSQL database that supports Hybrid Transactional and Analytical Processing workloads. It is MySQL-compatible and can provide horizontal scalability, strong consistency, and high availability.

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Prerequisites

Before proceeding, ensure the following prerequisites are met:
  1. Install MindsDB locally via Docker or Docker Desktop.
  2. To connect TiDB to MindsDB, install the required dependencies following this instruction.
  3. Install or ensure access to TiDB.

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Implementation

This handler is implemented by extending the MySQL data handler. The required arguments to establish a connection are as follows:
  • user is the database user.
  • password is the database password.
  • host is the host name, IP address, or URL.
  • port is the port used to make TCP/IP connection.
  • database is the database name.

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Usage

In order to make use of this handler and connect to the TiDB database in MindsDB, the following syntax can be used: 
CREATE DATABASE tidb_datasource
WITH
  ENGINE = 'tidb',
  PARAMETERS = {
    "host": "127.0.0.1",
    "port": 4000,
    "database": "tidb",
    "user": "root",
    "password": "password"
  };
You can use this established connection to query your table as follows: 
SELECT *
FROM tidb_datasource.demo_table;