Format GO on a separate line in Transact-SQL

Fixes #814

Author: nene

src/languages/transactsql/transactsql.formatter.ts

@@ -53,6 +53,10 @@ const tabularOnelineClauses = expandPhrases([
   'ALTER COLUMN',
   // - truncate:
   'TRUNCATE TABLE',
+  // indexes
+  'CREATE [UNIQUE] [CLUSTERED] INDEX',
+  // other statements
+  'GO',
   // https://docs.microsoft.com/en-us/sql/t-sql/statements/statements?view=sql-server-ver15
   'ADD SENSITIVITY CLASSIFICATION',
   'ADD SIGNATURE',

test/transactsql.test.ts

@@ -205,4 +205,17 @@ describe('TransactSqlFormatter', () => {
         tbl OUTPUT $action AS act;
     `);
   });
+
+  // Issue #814
+  it('formats GO on a separate line', () => {
+    expect(format(`CREATE VIEW foo AS SELECT * FROM tbl GO CREATE INDEX bar`)).toBe(dedent`
+      CREATE VIEW foo AS
+      SELECT
+        *
+      FROM
+        tbl
+      GO
+      CREATE INDEX bar
+    `);
+  });
 });