chore: several minor fixes (#323)

Author: ymc9

packages/runtime/src/client/constants.ts

@@ -11,7 +11,7 @@ export const NUMERIC_FIELD_TYPES = ['Int', 'Float', 'BigInt', 'Decimal'];
 /**
  * Client API methods that are not supported in transactions.
  */
-export const TRANSACTION_UNSUPPORTED_METHODS = ['$transaction', '$disconnect', '$use'] as const;
+export const TRANSACTION_UNSUPPORTED_METHODS = ['$transaction', '$connect', '$disconnect', '$use'] as const;
 
 /**
  * Prefix for JSON field used to store joined delegate rows.

packages/runtime/src/client/crud/operations/group-by.ts

@@ -32,10 +32,9 @@ export class GroupByOperationHandler<Schema extends SchemaDef> extends BaseOpera
         query = this.dialect.buildSkipTake(query, skip, take);
 
         // orderBy
-        if (parsedArgs.orderBy) {
-            query = this.dialect.buildOrderBy(query, this.model, this.model, parsedArgs.orderBy, negateOrderBy);
-        }
+        query = this.dialect.buildOrderBy(query, this.model, this.model, parsedArgs.orderBy, negateOrderBy);
 
+        // having
         if (parsedArgs.having) {
             query = query.having(() => this.dialect.buildFilter(this.model, this.model, parsedArgs.having));
         }