Allow TYPE to be used as an identifier in Snowflake

Fixes #771

Author: nene

src/languages/snowflake/snowflake.formatter.ts

@@ -68,7 +68,7 @@ const tabularOnelineClauses = expandPhrases([
   'DROP ALL ROW ACCESS POLICIES',
   '{SET | DROP} DEFAULT', // for alter column
   '{SET | DROP} NOT NULL', // for alter column
-  '[SET DATA] TYPE', // for alter column
+  'SET DATA TYPE', // for alter column
   'UNSET COMMENT', // for alter column
   '{SET | UNSET} MASKING POLICY', // for alter column
   // - truncate:

test/snowflake.test.ts

@@ -190,4 +190,18 @@ describe('SnowflakeFormatter', () => {
       third STRING
     );`);
   });
+
+  // Issue #771
+  it('allows TYPE to be used as an identifier', () => {
+    expect(format(`SELECT CASE WHEN type = 'upgrade' THEN amount ELSE 0 END FROM items;`))
+      .toBe(dedent`
+      SELECT
+        CASE
+          WHEN type = 'upgrade' THEN amount
+          ELSE 0
+        END
+      FROM
+        items;
+    `);
+  });
 });