openHalo: A New Open Tool for Seamless MySQL to PostgreSQL Migration Released

In early April 2025, the open toolkit project openHalo was released to facilitate the migration from MySQL to PostgreSQL. The core of this solution has been developed in C and PLpgSQL, and it is available on GitHub under the GNU General Public License v3.0.

According to OpenNET, the openHalo project acts as a layer that simplifies the transition of applications initially designed for MySQL to the PostgreSQL database system. It functions as a proxy that transparently translates MySQL queries into PostgreSQL queries and performs the reverse transformation for the responses.

openHalo supports the MySQL SQL dialect and communication protocol, enabling the migration of applications written for MySQL to PostgreSQL with minimal or no code alterations. Furthermore, it can be paired with standard utilities, commands, and drivers designed for MySQL.