[TYPO3-dev] Question about overlay query condition

[Dmitry Dulepov [typo3]]

Hi!

Francois Suter wrote:
> The method t3lib_page::getRecordOverlay() is used to overlay a single 
> record with its translation, if it exists.
> 
> The query that fetches the overlay record looks like this:
> 
> $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
>     '*',
>     $table,
>     'pid='.intval($row['pid']).
>         ' AND 
> '.$TCA[$table]['ctrl']['languageField'].'='.intval($sys_language_content).
>         ' AND 
> '.$TCA[$table]['ctrl']['transOrigPointerField'].'='.intval($row['uid']).
>         $this->enableFields($table),
>     '',
>     '',
>     '1'
> );
> 
> I'm puzzled about the condition on the pid. I don't see why it is 
> necessary to test that the overlay record is on the same page as the 
> original one, since we are already testing the original/translation 
> relationship by comparing the transOrigPointerField to the original's uid.
> 
> Am I missing something?

Yes. Workspaces.

-- 
Dmitry Dulepov
TYPO3 Core team
My TYPO3 book: http://www.packtpub.com/typo3-extension-development/book
In the blog: http://typo3bloke.net/pages/book-reviews/presentation-zen-by-garr-reynolds/