| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Chapman Flack <chap(at)anastigmatix(dot)net> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Ought binary literals to allow spaces? |
| Date: | 2020-02-23 22:00:50 |
| Message-ID: | 6695.1582495250@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Chapman Flack <chap(at)anastigmatix(dot)net> writes:
> ISO seems to allow spaces among the digits of a binary literal, so as
> to group them for readability, as in X'00ba b10c'. We seem not to.
Hmm. SQL99 did not allow noise spaces in <binary string literal> and
related productions, but it does look like they added that in SQL:2008.
> (The B'...' form appears to be a PostgreSQL extension, but I imagine
> if ISO had it, it would allow spaces too.)
The B'...' form was there in SQL99. The committee took it out in
SQL:2003 or so, along with the BIT type, but we still have both.
regards, tom lane
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