init push

migrations/20260529_rename_hospitals_to_no_icao_codes.sql

@@ -0,0 +1,26 @@
+-- Rename hospital table to no_icao_codes
+-- This keeps existing data and constraints while moving to the new table name.
+
+SET @has_hospitals := (
+  SELECT COUNT(*)
+  FROM information_schema.tables
+  WHERE table_schema = DATABASE()
+    AND table_name = 'hospitals'
+);
+
+SET @has_no_icao_codes := (
+  SELECT COUNT(*)
+  FROM information_schema.tables
+  WHERE table_schema = DATABASE()
+    AND table_name = 'no_icao_codes'
+);
+
+SET @rename_sql := IF(
+  @has_hospitals > 0 AND @has_no_icao_codes = 0,
+  'RENAME TABLE hospitals TO no_icao_codes',
+  'SELECT 1'
+);
+
+PREPARE stmt FROM @rename_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;