Re: Using concatenation operator

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От Alban Hertroys
Тема Re: Using concatenation operator
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Msg-id 82893A07-0807-4B27-B6C7-9ECA3559B5DC@solfertje.student.utwente.nl
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Ответ на Using concatenation operator  (Chris Barnes <compuguruchrisbarnes@hotmail.com>)
Список pgsql-general
On 17 Aug 2010, at 18:28, Chris Barnes wrote:

>  psql database -t -c "select ||'select count (*) from '||schemaname||'.'||relname from pg_stat_user_tables where
relnamelike 'table_%'"|more 
> ERROR:  operator does not exist: || unknown
> LINE 1: select ||'select count (*) from '||schemaname||'.'||relname ....
>                ^
> HINT:  No operator matches the given name and argument type(s).
> You might need to add explicit type casts

There's nothing before the first concat operator ;)

Alban Hertroys

--
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