From badf398bea1ecbed6a2f36e0735cc3afab0a3230 Mon Sep 17 00:00:00 2001
From: Rene Saarsoo <nene@triin.net>
Date: Sat, 21 Dec 2024 11:26:39 +0200
Subject: [PATCH] Don't detect CHAR as function (only as data-type)

Fixes #811
---
 src/languages/transactsql/transactsql.functions.ts | 2 --
 test/transactsql.test.ts                           | 7 +++++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/languages/transactsql/transactsql.functions.ts b/src/languages/transactsql/transactsql.functions.ts
index 326a2cb995..41078a7293 100644
--- a/src/languages/transactsql/transactsql.functions.ts
+++ b/src/languages/transactsql/transactsql.functions.ts
@@ -233,7 +233,6 @@ export const functions: string[] = [
 
   // string
   'ASCII',
-  'CHAR',
   'CHARINDEX',
   'CONCAT',
   'CONCAT_WS',
@@ -243,7 +242,6 @@ export const functions: string[] = [
   'LEN',
   'LOWER',
   'LTRIM',
-  'NCHAR',
   'PATINDEX',
   'QUOTENAME',
   'REPLACE',
diff --git a/test/transactsql.test.ts b/test/transactsql.test.ts
index 655a88f106..0fe818a84f 100644
--- a/test/transactsql.test.ts
+++ b/test/transactsql.test.ts
@@ -190,4 +190,11 @@ describe('TransactSqlFormatter', () => {
       GOTO InfiniLoop;
     `);
   });
+
+  // Issue #811
+  it('does not detect CHAR() as function', () => {
+    expect(format(`CREATE TABLE foo (name char(65));`, { functionCase: 'upper' })).toBe(dedent`
+      CREATE TABLE foo (name char(65));
+    `);
+  });
 });