phorge-phorge/resources/sql/autopatches/20161031.calendar.01.seriesparent.sql at 69c64c1e83e23f11a594686d0abb3f1a74c8d4b1 - revi-archive/phorge-phorge - SiliconForest Atelier

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epriestley b084efb362 Record a "series parent PHID" on Calendar events that retains relationships after forks

Summary:
When you edit "X and all future events", X becomes the new parent of an event series.

Currently, it loses its relationship to its original parent. Instead, retain that relationship -- it's separate from the normal "parent", but we can use it to make the UI more clear or tweak behaviors later.

This mostly just keeps us from losing/destroying data that we might need/want later.

Test Plan:
  - Ran migrations.
  - Cancelled "X and all future events", saw sensible-appearing beahvior in the database for "seriesParentPHID".

Reviewers: chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D16780

2016-10-31 15:30:34 -07:00

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SQL

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 ALTER TABLE {$NAMESPACE}_calendar.calendar_event
   ADD seriesParentPHID VARBINARY(64);
 UPDATE {$NAMESPACE}_calendar.calendar_event
   SET seriesParentPHID = instanceOfEventPHID;