20 lines
545 B
MySQL
20 lines
545 B
MySQL
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-- Migration: 072_locations_parent_relation
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-- Created: 2026-01-31
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-- Description: Add hierarchical parent relationship to locations
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BEGIN;
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ALTER TABLE locations_locations
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ADD COLUMN IF NOT EXISTS parent_location_id INTEGER;
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ALTER TABLE locations_locations
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ADD CONSTRAINT locations_locations_parent_location_id_fkey
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FOREIGN KEY (parent_location_id)
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REFERENCES locations_locations(id)
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ON DELETE SET NULL;
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CREATE INDEX IF NOT EXISTS idx_locations_parent_location_id
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ON locations_locations(parent_location_id);
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COMMIT;
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