Hi, Eli,

It's incompatibility.

MariaDB only supports parameters in COM_STMT_PREPARE/COM_STMT_EXECUTE.
You can pipeline them and avoid an extra round-trip, but it still be
binary protocol, not text.

On Jan 23, E.S. Rosenberg via developers wrote:
> Hi,
> Recently I found out about parameterized queries in MySQL, it seems to have
> been supported at least since 8.0.x but it is not listed as an
> incompatibility between mariadb and mysql yet the package spec for
> COM_QUERY on mariadb does not mention any support for parameterized queries.
>
> So is this an incompatibility, some out of date docs or am I just looking
> at the wrong com_query page?
>
> Refs:
> https://dev.mysql.com/doc/dev/mysql-server/8.0.40/page_protocol_com_query.html
> https://mariadb.com/kb/en/com_query/
>
> Thanks!
> Eli

Regards,
Sergei
Chief Architect, MariaDB Server
and security@mariadb.org