Re: CHAR(n) always trims trailing spaces in 7.4
От | scott.marlowe |
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Тема | Re: CHAR(n) always trims trailing spaces in 7.4 |
Дата | |
Msg-id | Pine.LNX.4.33.0402171706530.31955-100000@css120.ihs.com обсуждение исходный текст |
Ответ на | Re: CHAR(n) always trims trailing spaces in 7.4 (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: CHAR(n) always trims trailing spaces in 7.4
Re: CHAR(n) always trims trailing spaces in 7.4 Re: CHAR(n) always trims trailing spaces in 7.4 |
Список | pgsql-sql |
On Tue, 17 Feb 2004, Tom Lane wrote: > elein <elein@varlena.com> writes: > > This is an example of the problem. It used to expand > > the middle thing to 15. > > > elein=# select 'x' || ' '::char(15) || 'x'; > > ?column? > > ---------- > > xx > > (1 row) > > Still does, but then the spaces go away again when the value goes into > the concatenation, because concatenation is a text operator. But then this: select 'x'||' '||'x' should produce xx, but it produces x x.
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