mmm

2 files changed, 9 insertions, 1 deletions

diff --git a/apply-updates.sh b/apply-updates.sh
index ae13767..76c3519 100755
--- a/apply-updates.sh
+++ b/apply-updates.sh
@@ -70,7 +70,7 @@ if [[ ! -d "$UPDATES_DIR" ]]; then
 fi
 
 # Find update scripts
-update_scripts=($(find "$UPDATES_DIR" -name "update_*.sql" | sort))
+update_scripts=($(find "$UPDATES_DIR" -name "update_003*.sql" | sort))
 
 if [[ ${#update_scripts[@]} -eq 0 ]]; then
   echo "No update scripts found in $UPDATES_DIR."
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`);