From 9cc248ec57e6bad4b720cd574aec244fc96b9843 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 4 Jan 2023 18:10:38 +0800
Subject: [PATCH] fix(query): update the hash function for varchar data.

---
 source/util/src/thashutil.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/util/src/thashutil.c b/source/util/src/thashutil.c
index 97e29712e0..21b9359076 100644
--- a/source/util/src/thashutil.c
+++ b/source/util/src/thashutil.c
@@ -199,7 +199,7 @@ _hash_fn_t taosGetDefaultHashFunction(int32_t type) {
       break;
     case TSDB_DATA_TYPE_BINARY:
     case TSDB_DATA_TYPE_NCHAR:
-      fn = xxHash;
+      fn = MurmurHash3_32;
       break;
     case TSDB_DATA_TYPE_UINT:
     case TSDB_DATA_TYPE_INT: