From e958e18726c8134cded85b97423a608f2abbf3aa Mon Sep 17 00:00:00 2001
From: yihaoDeng <cyang@taosdata.com>
Date: Fri, 15 Sep 2023 15:02:05 +0800
Subject: [PATCH] fix race crash and add log

---
 source/libs/stream/src/streamBackendRocksdb.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/source/libs/stream/src/streamBackendRocksdb.c b/source/libs/stream/src/streamBackendRocksdb.c
index 8a80d74c63..19f4ebbeea 100644
--- a/source/libs/stream/src/streamBackendRocksdb.c
+++ b/source/libs/stream/src/streamBackendRocksdb.c
@@ -1712,25 +1712,24 @@ int streamStateGetCfIdx(SStreamState* pState, const char* funcName) {
   if (pState != NULL && idx != -1) {
     SBackendCfWrapper*              wrapper = pState->pTdbState->pBackendCfWrapper;
     rocksdb_column_family_handle_t* cf = NULL;
-    taosThreadRwlockRdlock(&wrapper->rwLock);
+    taosThreadRwlockWrlock(&wrapper->rwLock);
     cf = wrapper->pHandle[idx];
-    taosThreadRwlockUnlock(&wrapper->rwLock);
     if (cf == NULL) {
       char buf[128] = {0};
       GEN_COLUMN_FAMILY_NAME(buf, wrapper->idstr, ginitDict[idx].key);
       char* err = NULL;
 
-      taosThreadRwlockWrlock(&wrapper->rwLock);
       cf = rocksdb_create_column_family(wrapper->rocksdb, wrapper->cfOpts[idx], buf, &err);
       if (err != NULL) {
         idx = -1;
         qError("failed to to open cf, %p %s_%s, reason:%s", pState, wrapper->idstr, funcName, err);
         taosMemoryFree(err);
       } else {
+        qDebug("succ to to open cf, %p %s_%s", pState, wrapper->idstr, funcName);
         wrapper->pHandle[idx] = cf;
       }
-      taosThreadRwlockUnlock(&wrapper->rwLock);
     }
+    taosThreadRwlockUnlock(&wrapper->rwLock);
   }
 
   return idx;