[td-11818] fix invalid free.

source/client/src/clientImpl.c

@@ -181,7 +181,7 @@ int32_t execDdlQuery(SRequestObj* pRequest, SQueryNode* pQuery) {
     if (pDcl->msgType == TDMT_VND_SHOW_TABLES) {
       SShowReqInfo* pShowReqInfo = &pRequest->body.showInfo;
       if (pShowReqInfo->pArray == NULL) {
-        pShowReqInfo->currentIndex = 0;
+        pShowReqInfo->currentIndex = 0;  // set the first vnode/ then iterate the next vnode
         pShowReqInfo->pArray = pDcl->pExtension;
       }
     }

source/libs/catalog/src/catalog.c

@@ -568,18 +568,17 @@ int32_t catalogGetDBVgroup(struct SCatalog* pCatalog, void *pRpc, const SEpSet*
     CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
   }
 
-  SDBVgroupInfo* db = NULL;
+  SDBVgroupInfo* db   = NULL;
   SVgroupInfo *vgInfo = NULL;
 
   int32_t code = 0;
   SArray *vgList = NULL;
-  
   CTG_ERR_JRET(ctgGetDBVgroup(pCatalog, pRpc, pMgmtEps, dbName, forceUpdate, &db));
 
   vgList = taosArrayInit(taosHashGetSize(db->vgInfo), sizeof(SVgroupInfo));
   if (NULL == vgList) {
     ctgError("taosArrayInit failed");
-    CTG_ERR_JRET(TSDB_CODE_CTG_MEM_ERROR);    
+    CTG_ERR_JRET(TSDB_CODE_CTG_MEM_ERROR);
   }
 
   void *pIter = taosHashIterate(db->vgInfo, NULL);
@@ -599,7 +598,6 @@ int32_t catalogGetDBVgroup(struct SCatalog* pCatalog, void *pRpc, const SEpSet*
   vgList = NULL;
 
 _return:
-
   if (db) {
     CTG_UNLOCK(CTG_READ, &db->lock);
     taosHashRelease(pCatalog->dbCache.cache, db);

source/libs/parser/inc/astGenerator.h

@@ -123,7 +123,7 @@ typedef struct SCreatedTableInfo {
   SToken             name;        // table name token
   SToken             stbName;     // super table name token , for using clause
   SArray            *pTagNames;   // create by using super table, tag name
-  SArray            *pTagVals;    // create by using super table, tag value
+  SArray            *pTagVals;    // create by using super table, tag value. SArray<SToken>
   char              *fullname;    // table full name
   int8_t             igExist;     // ignore if exists
 } SCreatedTableInfo;

source/libs/parser/src/astGenerator.c

@@ -686,7 +686,7 @@ void destroySqlNode(SSqlNode *pSqlNode) {
 void freeCreateTableInfo(void* p) {
   SCreatedTableInfo* pInfo = (SCreatedTableInfo*) p;
   taosArrayDestroy(pInfo->pTagNames);
-  taosArrayDestroyEx(pInfo->pTagVals, freeItem);
+  taosArrayDestroy(pInfo->pTagVals);
   tfree(pInfo->fullname);
 }
 

source/libs/parser/src/dCDAstProcess.c

@@ -332,7 +332,6 @@ static int32_t doParseSerializeTagValue(SSchema* pTagSchema, int32_t numOfInputT
 
     char* endPtr = NULL;
     char  tmpTokenBuf[TSDB_MAX_TAGS_LEN] = {0};
-
     SKvParam param = {.builder = pKvRowBuilder, .schema = pSchema};
 
     SToken* pItem = taosArrayGet(pTagValList, i);