Re: Regex with patterns in table field

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От A. Kretschmer
Тема Re: Regex with patterns in table field
Дата
Msg-id 20060413131114.GH28340@webserv.wug-glas.de
обсуждение исходный текст
Ответ на Regex with patterns in table field  ("pgdb" <pgdb@gawab.com>)
Ответы Re: Regex with patterns in table field  ("pgdb" <pgdb@gawab.com>)
Список pgsql-general
am  13.04.2006, um 12:47:38 +0000 mailte pgdb folgendes:
>
> <HTML><DIV class=bgcolor STYLE="background-color: ;"><DIV>
> <DIV>
> <DIV>
> <DIV>Hi,</DIV>
> <DIV> </DIV>
> <DIV>like to know how, if possible, for patterns
> as attribute in a table to be used in a regex search with a
> fixed string. The query should therefore return the rows that
> have matching patterns with the single text.</DIV>

It's hard to read such text, please use plain ASCII insteed HTML.

Perhaps you are looking for something like this:

test=# select * from search;
      text
----------------
 this is a test
(1 row)

test=# select * from pattern;
  text
---------
 ^this.*
 ^foo
(2 rows)

test=# select pattern.text, search.text from pattern, search where search.text ~ pattern.text;
  text   |      text
---------+----------------
 ^this.* | this is a test
(1 row)



HTH, Andreas
--
Andreas Kretschmer    (Kontakt: siehe Header)
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