Re: where is this problem (trigger)

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От Jean-Luc Lachance
Тема Re: where is this problem (trigger)
Дата
Msg-id 40A628CC.9000204@sympatico.ca
обсуждение исходный текст
Ответ на Re: where is this problem (trigger)  (Theodore Petrosky <tedpet5@yahoo.com>)
Список pgsql-sql
Have noticed it is not the same function...

Theodore Petrosky wrote:

> Great I got the double quotes in the trigger... like
> this:
> 
> CREATE FUNCTION notify_jobinfo() RETURNS "trigger"
>     AS '
> BEGIN
> EXECUTE ''NOTIFY
> "''||TG_RELNAME||''_''||NEW.jobnumber||''"'';
> RETURN NEW;
> END
> ' LANGUAGE plpgsql;
> 
> and it works great... however, i did a pg_dump of the
> db  to back it up. On a lark I started looking through
> the file and I decided to look at the dumped trigger
> and this is what I see.
> 
> --
> -- TOC entry 29 (OID 17180)
> -- Name: notify_on_update(); Type: FUNCTION; Schema:
> public; Owner: postgres
> --
> 
> CREATE FUNCTION notify_on_update() RETURNS "trigger"
>     AS '      
> BEGIN
> EXECUTE ''NOTIFY ''||TG_RELNAME||''_''||NEW.jobnumseq;
> RETURN NEW;
> END
> '
>     LANGUAGE plpgsql;
> 
> Ouch... it looks like pg_dump forgot my double quotes.
> 
> Do you have any ideas? If I reimport this dump file
> the triggers won't work when it meets a row with a dot
> in the column. Of course I can just update my data to
> use the underscore instead of the dot.....
> 
> Ted
> 
> 
> --- Stephan Szabo <sszabo@megazone.bigpanda.com>
> wrote:
> 
>>On Wed, 12 May 2004, Theodore Petrosky wrote:
>>
>>
>>>I can not seem to update these rows because of the
>>
>>dot
>>
>>>in the jobnumber field. I have found that I can
>>
>>change
>>
>>>the dot to an underscore but I thought I would ask
>>
>>if
>>
>>>there is a better solution.
>>>
>>>here is the error:
>>>
>>>UPDATE jobinfo SET isbilled = false WHERE
>>
>>jobnumber =
>>
>>>'1162.01';
>>>ERROR:  syntax error at or near ".01" at character
>>
>>20
>>
>>>CONTEXT:  PL/pgSQL function "notify_jobinfo" line
>>
>>2 at
>>
>>>execute statement
>>
>>From the docs, it looks like NOTIFY takes an
>>identifier
>>as a name.  Foo_1023.01 is not a valid identifier so
>>you
>>might want to double quote the string since
>>"Foo_1023.01"
>>is one.
>>
>>
>>---------------------------(end of
>>broadcast)---------------------------
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> 
> 
> 
>     
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