From 8286c145b68ff352d350162741858e9a1123fa4b Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Fri, 5 May 2023 16:15:15 +0800
Subject: [PATCH] fix(tdb/decoder): free decoder's value if not needed by user

---
 source/libs/tdb/src/db/tdbBtree.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/libs/tdb/src/db/tdbBtree.c b/source/libs/tdb/src/db/tdbBtree.c
index 6df2b40000..c49b5726b6 100644
--- a/source/libs/tdb/src/db/tdbBtree.c
+++ b/source/libs/tdb/src/db/tdbBtree.c
@@ -1814,6 +1814,11 @@ int tdbBtreeNext(SBTC *pBtc, void **ppKey, int *kLen, void **ppVal, int *vLen) {
 
     *ppVal = pVal;
     *vLen = cd.vLen;
+  } else {
+    if (TDB_CELLDECODER_FREE_VAL(&cd)) {
+      tdbTrace("tdb/btree-next2 decoder: %p pVal free: %p", &cd, cd.pVal);
+      tdbFree(cd.pVal);
+    }
   }
 
   ret = tdbBtcMoveToNext(pBtc);