[TYPO3-core] RFC: #13818: tcemain versionSwap might break pages_language_overlay relations

[Tolleiv.Nietsch]

This is an SVN patch request.

Type: Bugfix

Bugtracker references:
http://bugs.typo3.org/view.php?id=13818

Branches:
trunk

Problem:
During swapping within t3lib_tcemain::version_swap() the $keepFields 
might contain the "pid" field when "pages_language_overlay" records are 
swapped. This happens because the transOrigPointerField is kept (see 
#2314). But keeping the "pid" field is nothing which is anyhow desirable 
at this place, since this finally causes two offline records.

Solution:
The attached patch just makes sure that the transOrigPointerField is 
only kept if records are localized within the same table a.k.a is 
"transOrigPointerTable" is not set.

Additional information:
The issue itself was "introduced" with #2314 (rev 6193).

Cheers,
Tolleiv
-- 
Tolleiv Nietsch
www.tolleiv.de - www.aoemedia.de
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