From d23937913e8b4d947a540102bb582fd9ca5ddb06 Mon Sep 17 00:00:00 2001
From: gimantha <gimantha@wso2.com>
Date: Thu, 28 Nov 2024 16:26:36 +0530
Subject: [PATCH] Change arrays to maps for keeping the grouping keys in query
 expressions

---
 langlib/lang.query/src/main/ballerina/types.bal | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/langlib/lang.query/src/main/ballerina/types.bal b/langlib/lang.query/src/main/ballerina/types.bal
index 980f0f8efd10..96ff7d11cbf4 100644
--- a/langlib/lang.query/src/main/ballerina/types.bal
+++ b/langlib/lang.query/src/main/ballerina/types.bal
@@ -680,9 +680,9 @@ class _GroupByFunction {
     }
 
     private function getKey(_Frame f) returns anydata|error {
-        anydata[] keys = [];
+        record{} keys = {};
         foreach var key in self.keys {
-            keys.push(<anydata> check f[key]);
+            keys[key] = <anydata> check f[key];
         }
         return keys;
     }