Re: Problems with question marks in operators (JDBC, ECPG, ...)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: Dave Cramer <pg(at)fastcrypt(dot)com>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Gavin Flower <GavinFlower(at)archidevsys(dot)co(dot)nz>, Jan de Visser <jan(at)de-visser(dot)net>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Problems with question marks in operators (JDBC, ECPG, ...)
Date: 2015-05-20 20:03:48
Message-ID: 3523.1432152228@sss.pgh.pa.us
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Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> When did the SQL standard add any mention of ?

It's in SQL92. I don't have a copy of SQL89, or whatever the previous
spec was, to look at.

(So you could argue that Yu and Chen should've removed ? from the set of
allowed operator characters when they grafted SQL syntax onto Postgres.
But they didn't ...)

regards, tom lane

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