fix multithread previous created schema not match and need to be altered even...

fix multithread previous created schema not match and need to be altered even when load schema success

src/client/src/tscParseLineProtocol.c

@@ -631,11 +631,11 @@ static int32_t modifyDBSchemas(TAOS* taos, SArray* stableSchemas, SSmlLinesInfo*
       if (code != 0) {
         tscError("SML:0x%"PRIx64" reconcile point schema failed. can not create %s", info->id, pointSchema->sTableName);
         return code;
-      } else {
-        pointSchema->precision = dbSchema.precision;
-        destroySmlSTableSchema(&dbSchema);
       }
-    } else if (code == TSDB_CODE_SUCCESS) {
+    }
+
+    if (code == TSDB_CODE_SUCCESS) {
+      pointSchema->precision = dbSchema.precision;
       size_t pointTagSize = taosArrayGetSize(pointSchema->tags);
       size_t pointFieldSize = taosArrayGetSize(pointSchema->fields);