init push

migrations/20260529_rename_opcs_to_hems_opcs.sql

@@ -0,0 +1,25 @@
+-- Rename OPC table to hems_opcs.
+
+SET @has_opcs := (
+  SELECT COUNT(*)
+  FROM information_schema.tables
+  WHERE table_schema = DATABASE()
+    AND table_name = 'opcs'
+);
+
+SET @has_hems_opcs := (
+  SELECT COUNT(*)
+  FROM information_schema.tables
+  WHERE table_schema = DATABASE()
+    AND table_name = 'hems_opcs'
+);
+
+SET @rename_sql := IF(
+  @has_opcs > 0 AND @has_hems_opcs = 0,
+  'RENAME TABLE opcs TO hems_opcs',
+  'SELECT 1'
+);
+
+PREPARE stmt FROM @rename_sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;