| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | brianb-pgsql(at)edsamail(dot)com, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Search for underscore w/ LIKE |
| Date: | 2000-07-07 18:24:19 |
| Message-ID: | 200007071824.OAA01965@candle.pha.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
> I wrote:
> > Similarly, '\\%' would be the way to match a literal %. You can
> > actually backslash-quote any single character this way in LIKE,
> > but % and _ are the only ones where it makes a difference.
>
> Er, check that. Backslash itself also needs quoting in LIKE.
>
> Exercise for the student: if you need to match a literal backslash
> in a LIKE pattern, how many backslashes do you have to write in your
> query?
I will fix the book. Seems I didn't do the test properly.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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