| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Matthias Apitz <guru(at)unixarea(dot)de> |
| Cc: | pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: SELECT in VCHAR column for strings with TAB |
| Date: | 2021-06-10 13:50:02 |
| Message-ID: | 1558492.1623333002@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Matthias Apitz <guru(at)unixarea(dot)de> writes:
> I want to search in a VCHAR column for a string with two TAB at the end.
> I tried some things w/o any luck, like:
> select * from acq_vardata where name=concat('Test202112', 9, 9);
> select * from acq_vardata where name=concat('Test202112', '\t\t');
By default, backslash is not magic in SQL literals. The right way
to spell that is something like
select * from acq_vardata where name = E'Test202112\t\t';
See the discussion of "escape strings" in
https://www.postgresql.org/docs/current/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS
regards, tom lane
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