| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Tarlika Elisabeth Schmitz <postgresql3(at)numerixtechnology(dot)de> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: trigger - dynamic WHERE clause |
| Date: | 2011-05-22 18:39:01 |
| Message-ID: | BANLkTi=duDhBAkHNXH4=zH0MQgvcTnN4iA@mail.gmail.com |
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| Lists: | pgsql-general |
Hello
2011/5/22 Tarlika Elisabeth Schmitz <postgresql3(at)numerixtechnology(dot)de>:
> EXECUTE 'SELECT 1 FROM ' || TG_TABLE_NAME || ' WHERE ' || whereclause
> || ' FOR UPDATE;';
>
> I am generating the whereclause dynamically as the number of columns
> queried varies.
>
> Am I right in assuming that I cannot use EXECUTE ... USING in this
> scenario?
>
why not? You can use it - just USING has a fixed numbers of
parameters, so you should to use a arrays.
Regards
Pavel Stehule
> --
>
> Best Regards,
> Tarlika Elisabeth Schmitz
>
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