> As far, as I can tell, question mark operators are also incompatible
> with PostgreSQL's ECPG when using dynamic SQL.
> http://www.postgresql.org/docs/current/static/ecpg-dynamic.html
> (I'm pasting an example at the end of this message, tried with a
> PostgreSQL 9.4 server.)
Indeed it is. The question mark is used in ecpg to denote a variable to
be filled-in by the process. I'm not completely sure if this was in the
standard or only implemented because several (not sure if all) other
precompiler used it as well.
Michael
--
Michael Meskes
Michael at Fam-Meskes dot De, Michael at Meskes dot (De|Com|Net|Org)
Meskes at (Debian|Postgresql) dot Org
Jabber: michael.meskes at gmail dot com
VfL Borussia! Força Barça! Go SF 49ers! Use Debian GNU/Linux, PostgreSQL