From e2d2ffc00eb89c96606f78588e6705b5fa9b92fd Mon Sep 17 00:00:00 2001
From: factosea <285808407@qq.com>
Date: Wed, 13 Dec 2023 16:07:10 +0800
Subject: [PATCH] fix: % wildcard

---
 source/util/src/tcompare.c     | 3 ++-
 source/util/test/utilTests.cpp | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/source/util/src/tcompare.c b/source/util/src/tcompare.c
index 4bacda48d2..b6b71855f3 100644
--- a/source/util/src/tcompare.c
+++ b/source/util/src/tcompare.c
@@ -1097,7 +1097,8 @@ int32_t patternMatch(const char *pattern, size_t psize, const char *str, size_t
       c1 = str[j++];
       ++nMatchChar;
 
-      if (c == '\\' && pattern[i] == '_' && c1 == '_') {
+      if (c == '\\' && pattern[i] == c1 &&
+        (c1 == '_' || c1 == '%')) {
         i++;
         continue;
       }
diff --git a/source/util/test/utilTests.cpp b/source/util/test/utilTests.cpp
index ff1d91aa9d..01a55ae710 100644
--- a/source/util/test/utilTests.cpp
+++ b/source/util/test/utilTests.cpp
@@ -204,6 +204,11 @@ TEST(utilTest, char_pattern_match_test) {
   const char* str12 = NULL;
   ret = patternMatch(pattern12, 4, str12, 0, &pInfo);
   ASSERT_EQ(ret, TSDB_PATTERN_NOMATCH);
+
+  const char* pattern13 = "a\\%c";
+  const char* str13 = "a%c";
+  ret = patternMatch(pattern13, 5, str13, strlen(str13), &pInfo);
+  ASSERT_EQ(ret, TSDB_PATTERN_MATCH);
 }
 
 TEST(utilTest, char_pattern_match_no_terminated) {