The Ultimate Guide to High Availability with MariaDB

Comments - Migrating from PostgreSQL to MariaDB

5 years, 7 months ago Geoff Montee
Re: Migrating from POstgre SQL to Maria DB [Answer]

You may have to manually convert the schema to work with MariaDB, but one way to migrate the data is to create foreign tables in MariaDB that reference the tables in PostgreSQL using CONNECT storage engine along with a PostgreSQL ODBC or JDBC driver. And then you could do something like:

INSERT INTO local_tab SELECT * FROM foreign_tab;

You could also do the opposite and use mysql_fdw to create foreign tables on the PostgreSQL side that reference tables in MariaDB. And then you could do something like:

INSERT INTO foreign_tab SELECT * FROM local_tab;
 
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