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Upgrade-Scripte zum Löschen von CVars via Trigger beschleunigt.
authorBernd Bleßmann <bernd@kivitendo-premium.de>
Mon, 24 Nov 2014 11:50:58 +0000 (12:50 +0100)
committerBernd Bleßmann <bernd@kivitendo-premium.de>
Mon, 24 Nov 2014 11:50:58 +0000 (12:50 +0100)
In den queries, die vor dem Installieren der Trigger die DB aufräumen,
"NOT IN" durch "NOT EXISTS" ersetzt.

Hintergrund-Info ist hier zu finden:
http://explainextended.com/2009/09/16/not-in-vs-not-exists-vs-left-join-is-null-postgresql/
(Dank an Sven)


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