init push

migrations/20260615_add_status_to_flight_data.sql

@@ -0,0 +1,41 @@
+-- +goose Up
+SET @has_status := (
+  SELECT COUNT(*)
+  FROM information_schema.columns
+  WHERE table_schema = DATABASE()
+    AND table_name = 'flight_data'
+    AND column_name = 'status'
+);
+
+SET @sql := IF(
+  @has_status = 0,
+  'ALTER TABLE flight_data ADD COLUMN status VARCHAR(20) NOT NULL DEFAULT ''on_going'' AFTER id',
+  'SELECT 1'
+);
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+UPDATE flight_data
+SET status = 'on_going'
+WHERE status IS NULL OR status = '';
+
+-- +goose Down
+SET @has_status := (
+  SELECT COUNT(*)
+  FROM information_schema.columns
+  WHERE table_schema = DATABASE()
+    AND table_name = 'flight_data'
+    AND column_name = 'status'
+);
+
+SET @sql := IF(
+  @has_status = 1,
+  'ALTER TABLE flight_data DROP COLUMN status',
+  'SELECT 1'
+);
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;