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advice on database and trigger/sp versioning

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2013-06-24 17:57:05 +02:00
parent 3d22e3c113
commit af0a92b7db
2 changed files with 22 additions and 0 deletions
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16
bin/dbsv-update.php
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@@ -12,6 +12,9 @@
* You should normally NOT call this script directly, but via dbupdate.php
* (or something similar on a production system). This ensures that
* everything takes place in the right order.
*
* See http://wiki.opencaching.de/index.php/Entwicklung/Datenbankversionierung
* (German) and the comments in this file for further documentation.
*/
if (!isset($opt['rootpath']))
@@ -276,4 +279,17 @@
update_triggers();
}
// When adding new mutations, take care that they behave well if run multiple
// times. This improves robustness of database versioning.
//
// Please carefully decide if a new mutation relies on any triggers.
// If so, check if triggers need to be updated first - they may have changed
// since the last trigger update mutation (like #113) - or emulate the trigger
// behaviour by additional SQL statements which restore table consistency.
//
// Trigger updates can be directly included in a mutation, or can be done via
// a separate trigger update mutation (see #113 and maintain-113.inc.php).
// See also http://wiki.opencaching.de/index.php/Entwicklung/Datenbankversionierung.
?>