[TD-5459]<fix>: fix sql parse core error

src/client/src/tscParseInsert.c

@@ -1904,7 +1904,7 @@ int tsInsertInitialCheck(SSqlObj *pSql) {
 int tsParseSql(SSqlObj *pSql, bool initial) {
   int32_t ret = TSDB_CODE_SUCCESS;
   SSqlCmd* pCmd = &pSql->cmd;
-
+1905
   if (!initial) {
     tscDebug("0x%"PRIx64" resume to parse sql: %s", pSql->self, pCmd->insertParam.sql);
   }

src/client/src/tscSQLParser.c

@@ -2023,6 +2023,11 @@ static int32_t checkForUdf(SSqlObj* pSql, SQueryInfo* pQueryInfo, SArray* pSelec
 */
 
 static SUdfInfo* isValidUdf(SArray* pUdfInfo, const char* name, int32_t len) {
+  if(pUdfInfo == NULL){
+    tscError("udfinfo is null");
+    return NULL;
+  }
+  
   size_t t = taosArrayGetSize(pUdfInfo);
   for(int32_t i = 0; i < t; ++i) {
     SUdfInfo* pUdf = taosArrayGet(pUdfInfo, i);

src/query/inc/qSqlparser.h

@@ -254,7 +254,7 @@ typedef struct tSqlExpr {
     struct SArray   *paramList;      // function parameters list
   } Expr;
 
-  uint32_t           functionId;  // function id, todo remove it
+  int32_t            functionId;  // function id, todo remove it
   SStrToken          columnName;  // table column info
   tVariant           value;       // the use input value
   SStrToken          exprToken;   // original sql expr string