From 76742eefed3ad60d0684dc4f2507d6012bc00677 Mon Sep 17 00:00:00 2001
From: Alex Duan <417921451@qq.com>
Date: Thu, 10 Mar 2022 17:23:25 +0800
Subject: [PATCH] [TS-207]<fix>(query): fixed child table or normal table order
 by

---
 src/util/src/tcompare.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/src/util/src/tcompare.c b/src/util/src/tcompare.c
index 24263f61b5..b9a7704c35 100644
--- a/src/util/src/tcompare.c
+++ b/src/util/src/tcompare.c
@@ -183,16 +183,16 @@ int32_t compareLenPrefixedStr(const void *pLeft, const void *pRight) {
   int32_t len1 = varDataLen(pLeft);
   int32_t len2 = varDataLen(pRight);
 
-  if (len1 != len2) {
-    return len1 > len2? 1:-1;
-  } else {
-    int32_t ret = strncmp(varDataVal(pLeft), varDataVal(pRight), len1);
-    if (ret == 0) {
+  int32_t ret = strncmp(varDataVal(pLeft), varDataVal(pRight), len1>len2 ? len2:len1);
+  if (ret == 0) {
+    if (len1 > len2)
+      return 1;
+    else if(len1 < len2)
+      return -1;
+    else   
       return 0;
-    } else {
-      return ret > 0 ? 1:-1;
-    }
   }
+  return (ret < 0) ? -1 : 1;
 }
 
 int32_t compareLenPrefixedStrDesc(const void* pLeft, const void* pRight) {
@@ -203,16 +203,16 @@ int32_t compareLenPrefixedWStr(const void *pLeft, const void *pRight) {
   int32_t len1 = varDataLen(pLeft);
   int32_t len2 = varDataLen(pRight);
 
-  if (len1 != len2) {
-    return len1 > len2? 1:-1;
-  } else {
-    int32_t ret = memcmp((wchar_t*) pLeft, (wchar_t*) pRight, len1);
-    if (ret == 0) {
+  int32_t ret = tasoUcs4Compare(varDataVal(pLeft), varDataVal(pRight), len1>len2 ? len2:len1);
+  if (ret == 0) {
+    if (len1 > len2)
+      return 1;
+    else if(len1 < len2)
+      return -1;
+    else   
       return 0;
-    } else {
-      return ret > 0 ? 1 : -1;
-    }
   }
+  return (ret < 0) ? -1 : 1;
 }
 
 int32_t compareLenPrefixedWStrDesc(const void* pLeft, const void* pRight) {
-- 
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