Merge PR #434: Add || operator to default SQL dialect

Author: nene

src/languages/sql/sql.formatter.ts

@@ -84,6 +84,7 @@ export default class SqlFormatter extends Formatter {
       ],
       identTypes: [`""-qq`, '``'],
       paramTypes: { positional: true },
+      operators: ['||'],
     });
   }
 }

test/sql.test.ts

@@ -50,7 +50,7 @@ describe('SqlFormatter', () => {
   supportsSchema(format);
   supportsJoin(format);
   supportsSetOperations(format);
-  supportsOperators(format, []);
+  supportsOperators(format, ['||']);
   supportsParams(format, { positional: true });
   supportsWindow(format);
   supportsLimiting(format, { limit: true, offset: true, fetchFirst: true, fetchNext: true });