From b56bac84e8a9c9df3df3df2b1e3b20ccaba14a0c Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Mon, 8 Jun 2020 09:12:36 +0000
Subject: [PATCH] TD-546

---
 src/tsdb/src/tsdbMeta.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index 05c3b30377..820d2df888 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -620,7 +620,10 @@ static int tsdbFreeTable(STable *pTable) {
   if (pTable->type == TSDB_CHILD_TABLE) {
     kvRowFree(pTable->tagVal);
   } else {
-    for (int i = 0; i < pTable->numOfSchemas; i++) tdFreeSchema(pTable->schema[i]);
+    if (pTable->schema) {
+      for (int i = 0; i < pTable->numOfSchemas; i++) tdFreeSchema(pTable->schema[i]);
+      free(pTable->schema);
+    }
   }
 
   if (pTable->type == TSDB_STREAM_TABLE) {
-- 
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