Changelog:
* Added support for PostgreSQL 18, upcoming Postgres Extended 18,
and upcoming EDB Postgres Advanced Server 18.
* Improved the handling of "NULL" values when executing parameterized
queries or execution-timed parameters to prevent unpredictable behavior due
to dangling pointers.
* Changed behavior where internal parameters were pushed to the remote
server, which could cause the server to crash. Internal parameters are no
longer pushed to the remote server.
* Remove support for PostgreSQL 12, Postgres Extended 12, and EDB Postgres
Advanced Server 12.
Taken from: https://github.com/EnterpriseDB/mysql_fdw/releases/tag/REL-2_9_3
Please note, that PostgreSQL 13+ is no required.
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