NO TICKET: cascade delete for field_activity in Sample model#315
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We can't have a `Sample` referencing a deleted `FieldActivity`. This change adds `ondelete="CASCADE"` to the foreign key definition and updates the relationship to handle cascading deletes properly.
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jirhiker
approved these changes
Dec 23, 2025
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Why
This PR addresses the following problem / context:
Samplerecord should not exist withoutFieldEventorFieldActivityrecords.How
Implementation summary - the following was changed / added / removed:
ondelete="CASCADE"to thefield_activity_idforeign key defined inSamplemodel. Deleting aFieldEventcascades to deleting aFieldActivity, which cascades to deleting theSample. If just aFieldActivityis deleted then theSamplewill still be deleted.Notes
Any special considerations, workarounds, or follow-up work to note?