Re: the order of operator computation

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jian He <hejian(dot)mark(at)gmail(dot)com>
Cc: pgsql-sql <pgsql-sql(at)lists(dot)postgresql(dot)org>
Subject: Re: the order of operator computation
Date: 2022-03-25 05:32:58
Message-ID: 3193283.1648186378@sss.pgh.pa.us
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Jian He <hejian(dot)mark(at)gmail(dot)com> writes:
> Is there some way to achieve:
> *Operator LEFTARG RIGHTARG *

Maybe with some hack-and-slash in gram.y, but it's not something
we'd be interested in supporting. What will you do to disambiguate
prefix/infix (1 vs 2 arg) operators?

regards, tom lane

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