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src/providers/mssql/downgrade/2_to_1.js

@@ -0,0 +1,15 @@
+/**
+ * Schema 2 → 1 (MSSQL): drops posterminal `sort`, `enabled`, `clientversion`.
+ * @param {{ query: (sql: string, params?: object) => Promise<unknown>, assertVersion: (v: number) => Promise<void>, setVersion: (v: number) => Promise<void> }} ctx
+ */
+export default async function downgrade({ query, assertVersion, setVersion }) {
+  await assertVersion(2);
+
+  await query(`
+    ALTER TABLE posterminal DROP CONSTRAINT DF_posterminal_sort, DF_posterminal_enabled;
+    ALTER TABLE posterminal DROP COLUMN sort, enabled, clientversion;
+  `);
+
+  await setVersion(1);
+}
+