diff options
Diffstat (limited to 'backend')
| -rw-r--r-- | backend/database/dev/update_003_make_zone_code_required_unique.sql | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/backend/database/dev/update_003_make_zone_code_required_unique.sql b/backend/database/dev/update_003_make_zone_code_required_unique.sql new file mode 100644 index 0000000..08e8896 --- /dev/null +++ b/backend/database/dev/update_003_make_zone_code_required_unique.sql @@ -0,0 +1,8 @@ +-- Make zone_code required and unique +-- This ensures data integrity for audits and lookups + +-- First, modify the column to be NOT NULL +ALTER TABLE `zones` MODIFY `zone_code` VARCHAR(50) NOT NULL; + +-- Then add the unique constraint +ALTER TABLE `zones` ADD UNIQUE KEY `unique_zone_code` (`zone_code`); |