Merge pull request #16418 from taosdata/fix/TD-18457

fix(query): fix valgrind report uninitialized variable error

source/client/src/clientImpl.c

@@ -1975,7 +1975,7 @@ _OVER:
 
 int32_t appendTbToReq(SHashObj* pHash, int32_t pos1, int32_t len1, int32_t pos2, int32_t len2, const char* str,
                       int32_t acctId, char* db) {
-  SName name;
+  SName name = {0};
 
   if (len1 <= 0) {
     return -1;

source/libs/parser/src/parInsert.c

@@ -1715,7 +1715,7 @@ static int32_t skipUsingClause(SInsertParseSyntaxCxt* pCxt) {
 }
 
 static int32_t collectTableMetaKey(SInsertParseSyntaxCxt* pCxt, bool isStable, int32_t tableNo, SToken* pTbToken) {
-  SName name;
+  SName name = {0};
   CHECK_CODE(createSName(&name, pTbToken, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg));
   CHECK_CODE(reserveTableMetaInCacheForInsert(&name, isStable ? CATALOG_REQ_TYPE_META : CATALOG_REQ_TYPE_BOTH, tableNo,
                                               pCxt->pMetaCache));
@@ -1730,7 +1730,7 @@ static int32_t checkTableName(const char* pTableName, SMsgBuf* pMsgBuf) {
 }
 
 static int32_t collectAutoCreateTableMetaKey(SInsertParseSyntaxCxt* pCxt, int32_t tableNo, SToken* pTbToken) {
-  SName name;
+  SName name = {0};
   CHECK_CODE(createSName(&name, pTbToken, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg));
   CHECK_CODE(checkTableName(name.tname, &pCxt->msg));
   CHECK_CODE(reserveTableMetaInCacheForInsert(&name, CATALOG_REQ_TYPE_VGROUP, tableNo, pCxt->pMetaCache));

source/util/src/thash.c

@@ -252,11 +252,15 @@ SHashObj *taosHashInit(size_t capacity, _hash_fn_t fn, bool update, SHashLockTyp
 
   // the max slots is not defined by user
   pHashObj->capacity = taosHashCapacity((int32_t)capacity);
+  pHashObj->size = 0;
 
   pHashObj->equalFp = memcmp;
   pHashObj->hashFp = fn;
   pHashObj->type = type;
+  pHashObj->lock = 0;
   pHashObj->enableUpdate = update;
+  pHashObj->freeFp = NULL;
+  pHashObj->callbackFp = NULL;
 
   ASSERT((pHashObj->capacity & (pHashObj->capacity - 1)) == 0);
 
@@ -329,7 +333,7 @@ int32_t taosHashPut(SHashObj *pHashObj, const void *key, size_t keyLen, const vo
   // disable resize
   taosHashRLock(pHashObj);
 
-  int32_t     slot = HASH_INDEX(hashVal, pHashObj->capacity);
+  uint32_t   slot = HASH_INDEX(hashVal, pHashObj->capacity);
   SHashEntry *pe = pHashObj->hashList[slot];
 
   taosHashEntryWLock(pHashObj, pe);