Allow short multiline ALTER DEFAULT PRIVILEGES

Author: nene

src/syntax/dcl.ts

@@ -99,7 +99,7 @@ export const dclMap: CstToDocMap<AllDclNodes> = {
 
   alter_default_privileges_stmt: (print) =>
     group(
-      join(line, [
+      join(print.dynamicLine(), [
         print.spaced("alterDefaultPrivilegesKw"),
         ...print("clauses"),
         print("action"),

test/dcl/alter_default_privileges.test.ts

@@ -26,6 +26,13 @@ describe("alter default privileges", () => {
     `);
   });
 
+  it(`formats short ALTER DEFAULT PRIVILEGES to multiple lines when original code is multiline`, async () => {
+    await testPostgresql(dedent`
+      ALTER DEFAULT PRIVILEGES
+      REVOKE ALL ON TABLES FROM PUBLIC
+    `);
+  });
+
   it(`formats long clauses to multiple lines`, async () => {
     await testPostgresql(dedent`
       ALTER DEFAULT PRIVILEGES