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moodle/question/type/multichoice
Tim Hunt 8def548b8d MDL-49247 question restore: avoid unique key errors from old bad data
Several tables have had unique keys added to enforce a constraint that
should always have been there. It is possible for old sites to have
data that violate the constraints, and sometimes people want to backup
data from those old sites, and restore them into a new Moodle.
Therefore, we need to guard agains the unique key violation errors.
2015-02-19 21:46:56 +00:00
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2014-05-19 17:03:04 +01:00