fix(query): update the mutex.

source/dnode/vnode/src/meta/metaCache.c

@@ -54,6 +54,7 @@ struct SMetaCache {
 
   // query cache
   struct STagFilterResCache {
+    TdThreadMutex lock;
     SHashObj*  pTableEntry;
     SLRUCache* pUidResCache;
     uint64_t   keyBuf[3];
@@ -140,6 +141,8 @@ int32_t metaCacheOpen(SMeta* pMeta) {
   }
 
   taosHashSetFreeFp(pCache->sTagFilterResCache.pTableEntry, freeCacheEntryFp);
+  taosThreadMutexInit(&pCache->sTagFilterResCache.lock, NULL);
+
   pMeta->pCache = pCache;
   return code;
 
@@ -159,6 +162,8 @@ void metaCacheClose(SMeta* pMeta) {
 
     taosHashCleanup(pMeta->pCache->sTagFilterResCache.pTableEntry);
     taosLRUCacheCleanup(pMeta->pCache->sTagFilterResCache.pUidResCache);
+    taosThreadMutexDestroy(&pMeta->pCache->sTagFilterResCache.lock);
+
     taosMemoryFree(pMeta->pCache);
     pMeta->pCache = NULL;
   }
@@ -426,6 +431,7 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
   SLRUCache*     pCache = pMeta->pCache->sTagFilterResCache.pUidResCache;
   uint64_t*      pBuf = pMeta->pCache->sTagFilterResCache.keyBuf;
   SHashObj*      pTableMap = pMeta->pCache->sTagFilterResCache.pTableEntry;
+  TdThreadMutex* pLock = &pMeta->pCache->sTagFilterResCache.lock;
 
   uint32_t times = 0;
 
@@ -433,12 +439,12 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
   pBuf[0] = suid;
   memcpy(&pBuf[1], pKey, keyLen);
 
-  metaRLock(pMeta);
+  taosThreadMutexLock(pLock);
 
   int32_t    len = keyLen + sizeof(uint64_t);
   LRUHandle* pHandle = taosLRUCacheLookup(pCache, pBuf, len);
   if (pHandle == NULL) {
-    metaULock(pMeta);
+    taosThreadMutexUnlock(pLock);
     return TSDB_CODE_SUCCESS;
   }
 
@@ -457,11 +463,11 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
   taosLRUCacheRelease(pCache, pHandle, false);
 
   // unlock meta
-  metaULock(pMeta);
+  taosThreadMutexUnlock(pLock);
 
   // check if scanning all items are necessary or not
   if (times >= 5000 && TD_DLIST_NELES(&(*pEntry)->list) > 10) {
-    metaWLock(pMeta);
+    taosThreadMutexLock(pLock);
 
     SArray* pInvalidRes = taosArrayInit(64, POINTER_BYTES);
 
@@ -492,7 +498,7 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
     atomic_store_32(&(*pEntry)->qTimes, 0); // reset the query times
     taosArrayDestroy(pInvalidRes);
 
-    metaULock(pMeta);
+    taosThreadMutexUnlock(pLock);
   }
 
   return TSDB_CODE_SUCCESS;
@@ -526,8 +532,9 @@ int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int
 
   SLRUCache*     pCache = pMeta->pCache->sTagFilterResCache.pUidResCache;
   SHashObj*      pTableEntry = pMeta->pCache->sTagFilterResCache.pTableEntry;
+  TdThreadMutex* pLock = &pMeta->pCache->sTagFilterResCache.lock;
 
-  metaWLock(pMeta);
+  taosThreadMutexLock(pLock);
 
   STagFilterResEntry** pEntry = taosHashGet(pTableEntry, &suid, sizeof(uint64_t));
   if (pEntry == NULL) {
@@ -550,7 +557,7 @@ int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int
   taosLRUCacheInsert(pCache, pBuf, sizeof(uint64_t) + keyLen, pPayload, payloadLen, freePayload, NULL,
                      TAOS_LRU_PRIORITY_LOW);
 
-  metaULock(pMeta);
+  taosThreadMutexUnlock(pLock);
 
   metaDebug("vgId:%d, suid:%" PRIu64 " list cache added into cache, total:%d, tables:%d", TD_VID(pMeta->pVnode), suid,
             (int32_t)taosLRUCacheGetUsage(pCache), taosHashGetSize(pTableEntry));
@@ -560,15 +567,19 @@ int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int
 
 // remove the lru cache that are expired due to the tags value update, or creating, or dropping, of child tables
 int32_t metaUidCacheClear(SMeta* pMeta, uint64_t suid) {
+  int32_t  keyLen = sizeof(uint64_t) * 3;
+  uint64_t p[3] = {0};
+  p[0] = suid;
+
+  TdThreadMutex* pLock = &pMeta->pCache->sTagFilterResCache.lock;
+
+  taosThreadMutexLock(pLock);
   STagFilterResEntry** pEntry = taosHashGet(pMeta->pCache->sTagFilterResCache.pTableEntry, &suid, sizeof(uint64_t));
   if (pEntry == NULL || listNEles(&(*pEntry)->list) == 0) {
+    taosThreadMutexUnlock(pLock);
     return TSDB_CODE_SUCCESS;
   }
 
-  int32_t  keyLen = sizeof(uint64_t) * 3;
-  uint64_t p[3] = {0};
-  p[0] = suid;
-
   SListIter iter = {0};
   tdListInitIter(&(*pEntry)->list, &iter, TD_LIST_FORWARD);
 
@@ -581,5 +592,6 @@ int32_t metaUidCacheClear(SMeta* pMeta, uint64_t suid) {
   (*pEntry)->qTimes = 0;
   tdListEmpty(&(*pEntry)->list);
 
+  taosThreadMutexUnlock(pLock);
   return TSDB_CODE_SUCCESS;
 }