schemaless: fix schema modification error

src/client/src/tscParseLineProtocol.c

@@ -849,6 +849,8 @@ static int32_t insertChildTableBatch(TAOS* taos,  char* cTableName, SArray* cols
     return code;
   }
 
+  bool tryAgain = false;
+
   do {
     code = taos_stmt_set_tbname(stmt, cTableName);
     if (code != 0) {
@@ -878,7 +880,26 @@ static int32_t insertChildTableBatch(TAOS* taos,  char* cTableName, SArray* cols
     if (code != 0) {
       tscError("SML:0x%"PRIx64" taos_stmt_execute return %d:%s", info->id, code, tstrerror(code));
     }
-  } while (code == TSDB_CODE_TDB_TABLE_RECONFIGURE && try++ < TSDB_MAX_REPLICA);
+
+    tryAgain = false;
+    if ((code == TSDB_CODE_TDB_INVALID_TABLE_ID
+        || code == TSDB_CODE_VND_INVALID_VGROUP_ID
+        || code == TSDB_CODE_TDB_TABLE_RECONFIGURE) && try++ < TSDB_MAX_REPLICA) {
+      tryAgain = true;
+    }
+
+    if (code == TSDB_CODE_TDB_INVALID_TABLE_ID || code == TSDB_CODE_VND_INVALID_VGROUP_ID) {
+      TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
+      int32_t   code2 = taos_errno(res2);
+      if (code2 != TSDB_CODE_SUCCESS) {
+        tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
+      }
+      taos_free_result(res2);
+      if (tryAgain) {
+        taosMsleep(100 * (2 << (try)));
+      }
+    }
+  } while (tryAgain);
 
   if (code != 0) {
     tscError("SML:0x%"PRIx64" %d:%s", info->id, code, tstrerror(code));
@@ -1084,28 +1105,10 @@ static int32_t applyChildTableFields(TAOS* taos, SSmlSTableSchema* sTableSchema,
     taosArrayPush(rowsBind, &colBinds);
   }
 
-  int32_t retry = 0;
-  bool retryAgain = false;
-  do {
-    code = insertChildTableBatch(taos, cTableName, sTableSchema->fields, rowsBind, info);
-    if (code != 0) {
-      tscError("SML:0x%" PRIx64 " insert into child table %s failed. error %s, retry %d", info->id, cTableName, tstrerror(code), retry);
-      if (code == TSDB_CODE_TDB_INVALID_TABLE_ID || code == TSDB_CODE_VND_INVALID_VGROUP_ID) {
-        TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
-        int32_t   code2 = taos_errno(res2);
-        if (code2 != TSDB_CODE_SUCCESS) {
-          tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
-        }
-        taos_free_result(res2);
-        retryAgain = (++retry < TSDB_MAX_REPLICA) ? true : false;
-        if (retryAgain) {
-          taosMsleep(100 * (2 << (retry)));
-        } else {
-          tscError("SML:0x%" PRIx64 " insert into child table %s reached max retry", info->id, cTableName);
-        }
-      }
-    }
-  } while (retryAgain);
+  code = insertChildTableBatch(taos, cTableName, sTableSchema->fields, rowsBind, info);
+  if (code != 0) {
+    tscError("SML:0x%"PRIx64" insert into child table %s failed. error %s", info->id, cTableName, tstrerror(code));
+  }
 
   for (int i = 0; i < rows; ++i) {
     TAOS_BIND* colBinds = taosArrayGetP(rowsBind, i);