zhengyunpengby opened a new issue #10943: URL: https://github.com/apache/shardingsphere/issues/10943
SQL：select distinct DATE_FORMAT(test_time, '%Y-%m-%d') from t Caused by: java.lang.NullPointerException: null at org.apache.shardingsphere.core.execute.sql.execute.row.QueryRow$1.apply(QueryRow.java:82) at org.apache.shardingsphere.core.execute.sql.execute.row.QueryRow$1.apply(QueryRow.java:78) at com.google.common.collect.Lists$TransformingRandomAccessList$1.transform(Lists.java:616) at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47) at java.util.AbstractList.hashCode(AbstractList.java:540) at org.apache.shardingsphere.core.execute.sql.execute.row.QueryRow.hashCode(QueryRow.java:84) at java.util.HashMap.hash(HashMap.java:339) at java.util.HashMap.put(HashMap.java:612) at java.util.HashSet.add(HashSet.java:220) at org.apache.shardingsphere.core.execute.sql.execute.result.DistinctQueryResult.fill(DistinctQueryResult.java:87) at org.apache.shardingsphere.core.execute.sql.execute.result.DistinctQueryResult.getResultData(DistinctQueryResult.java:76) at org.apache.shardingsphere.core.execute.sql.execute.result.Dist inctQueryResult.<init>(DistinctQueryResult.java:63) at org.apache.shardingsphere.core.merge.dql.DQLMergeEngine.getRealQueryResults(DQLMergeEngine.java:85) at org.apache.shardingsphere.core.merge.dql.DQLMergeEngine.<init>(DQLMergeEngine.java:71) at org.apache.shardingsphere.core.merge.MergeEngineFactory.newInstance(MergeEngineFactory.java:58) at org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.getResultSet(ShardingPreparedStatement.java:139) at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.getFirstResultSet(DefaultResultSetHandler.java:235) at org.apache.ibatis.executor.resultset.DefaultResultSetHandler.handleResultSets(DefaultResultSetHandler.java:185) at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:64) at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:79) at sun.reflect.GeneratedMethodAccessor236.invoke(Unknown Source) at sun.refle ct.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) at com.sun.proxy.$Proxy276.query(Unknown Source) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:63) at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) at com.github.pagehelper.PageInterceptor.intercept(PageInterceptor.java:143) at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) at com.sun.proxy.$Proxy275.query(Unknown Source) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ... 23 common frames omitted -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
