From c77c1091a394438054722199fe377ae1a2ea4cfe Mon Sep 17 00:00:00 2001
From: lichuang <lichuang1982@gmail.com>
Date: Wed, 16 Jun 2021 16:08:24 +0800
Subject: [PATCH] [TD-4394]fix core when select data after modify tag width

---
 src/tsdb/src/tsdbMeta.c  | 4 +++-
 src/util/src/tskiplist.c | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index 17223c99fe..b4d41dcd08 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -148,7 +148,9 @@ int tsdbCreateTable(STsdbRepo *repo, STableCfg *pCfg) {
   return 0;
 
 _err:
-  //tsdbFreeTable(super);
+  if (newSuper) {
+    tsdbFreeTable(super);
+  }
   tsdbFreeTable(table);
   return -1;
 }
diff --git a/src/util/src/tskiplist.c b/src/util/src/tskiplist.c
index 0a394c15c9..842ded19a6 100644
--- a/src/util/src/tskiplist.c
+++ b/src/util/src/tskiplist.c
@@ -85,7 +85,7 @@ SSkipList *tSkipListCreate(uint8_t maxLevel, uint8_t keyType, uint16_t keyLen, _
 }
 
 void tSkipListDestroy(SSkipList *pSkipList) {
-  if (pSkipList == NULL || pSkipList->pHead == NULL) return;
+  if (pSkipList == NULL) return;
 
   tSkipListWLock(pSkipList);
 
-- 
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