[GitHub] [skywalking] haoyann commented on issue #6455: Database Slow Statements return error:Cannot return null for non-nullable type: 'String' within parent 'SelectedRecord' (/readSampledRecords[0]/name)

[GitBox <gi...@apache.org>]

haoyann commented on issue #6455:
URL: https://github.com/apache/skywalking/issues/6455#issuecomment-787404958


   https://github.com/apache/skywalking/blob/19d4a77235de37f47c3b97cff0118fddbdb565e3/oap-server/analyzer/agent-analyzer/src/main/java/org/apache/skywalking/oap/server/analyzer/provider/trace/parser/listener/MultiScopesAnalysisListener.java#L206-L210
   
   @wu-sheng  `StringUtil.isEmpty(sqlStatement)` check  move out of the loop , can it be changed like this? 
   ```
               if (StringUtil.isEmpty(slowStatementBuilder.getStatement())) {
                   slowStatementBuilder.setStatement("[No statement]/" + span.getOperationName());
               }
   ```


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