20 lines
721 B
SQL
20 lines
721 B
SQL
-- Migration to add CASCADE delete to note_link foreign keys
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-- This ensures that when a note is deleted, all links to/from it are also deleted
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-- For PostgreSQL
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-- Drop existing foreign key constraints
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ALTER TABLE note_link DROP CONSTRAINT IF EXISTS note_link_source_note_id_fkey;
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ALTER TABLE note_link DROP CONSTRAINT IF EXISTS note_link_target_note_id_fkey;
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-- Add new foreign key constraints with CASCADE
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ALTER TABLE note_link
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ADD CONSTRAINT note_link_source_note_id_fkey
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FOREIGN KEY (source_note_id)
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REFERENCES note(id)
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ON DELETE CASCADE;
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ALTER TABLE note_link
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ADD CONSTRAINT note_link_target_note_id_fkey
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FOREIGN KEY (target_note_id)
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REFERENCES note(id)
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ON DELETE CASCADE; |