[ https://issues.apache.org/jira/browse/PHOENIX-4624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shehzaad Nakhoda updated PHOENIX-4624: -------------------------------------- Attachment: PHOENIX-4624_v1.patch > COLLATION_KEY function cannot handle null values > ------------------------------------------------ > > Key: PHOENIX-4624 > URL: https://issues.apache.org/jira/browse/PHOENIX-4624 > Project: Phoenix > Issue Type: Bug > Reporter: Shehzaad Nakhoda > Assignee: Shehzaad Nakhoda > Priority: Major > Fix For: 4.14.0 > > Attachments: PHOENIX-4624_v1.patch > > > COLLATION_KEY throws a NullPointerException when it encounters values that > are null. > Example: > 0: jdbc:phoenix:localhost> create table hello_table (ID DECIMAL PRIMARY KEY, > NAME VARCHAR); > No rows affected (0.323 seconds) > 0: jdbc:phoenix:localhost> upsert into hello_table VALUES(1, 'One'); > 1 row affected (0.032 seconds) > 0: jdbc:phoenix:localhost> upsert into hello_table VALUES(2, 'Two'); > 1 row affected (0.006 seconds) > 0: jdbc:phoenix:localhost> upsert into hello_table VALUES(0, NULL); > 1 row affected (0.004 seconds) > 0: jdbc:phoenix:localhost> select * from hello_table order by > collation_key(name, 'en_US'); > +------------------------------------------+------------------------------------------+ > | ID | NAME > | > +------------------------------------------+------------------------------------------+ > java.lang.RuntimeException: org.apache.phoenix.exception.PhoenixIOException: > org.apache.phoenix.exception.PhoenixIOException: > org.apache.hadoop.hbase.DoNotRetryIOException: > HELLO_TABLE,,1519258211363.5898d1758d5b82ada5b27b2a8a9fba27.: null > at > org.apache.phoenix.util.ServerUtil.createIOException(ServerUtil.java:96) > at > org.apache.phoenix.util.ServerUtil.throwIOException(ServerUtil.java:62) > at > org.apache.phoenix.iterate.NonAggregateRegionScannerFactory.getTopNScanner(NonAggregateRegionScannerFactory.java:327) > at > org.apache.phoenix.iterate.NonAggregateRegionScannerFactory.getRegionScanner(NonAggregateRegionScannerFactory.java:164) > at > org.apache.phoenix.coprocessor.ScanRegionObserver.doPostScannerOpen(ScanRegionObserver.java:72) > at > org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.overrideDelegate(BaseScannerRegionObserver.java:235) > at > org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.nextRaw(BaseScannerRegionObserver.java:286) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.scan(HRegionServer.java:3361) > at > org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32492) > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2211) > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:104) > at > org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133) > at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.lang.NullPointerException > at > org.apache.phoenix.expression.function.CollationKeyFunction.evaluate(CollationKeyFunction.java:121) > at > org.apache.phoenix.iterate.OrderedResultIterator.getResultIterator(OrderedResultIterator.java:260) > at > org.apache.phoenix.iterate.OrderedResultIterator.next(OrderedResultIterator.java:199) > at > org.apache.phoenix.iterate.NonAggregateRegionScannerFactory.getTopNScanner(NonAggregateRegionScannerFactory.java:322) > ... 11 more > at sqlline.IncrementalRows.hasNext(IncrementalRows.java:73) > at sqlline.TableOutputFormat.print(TableOutputFormat.java:33) > at sqlline.SqlLine.print(SqlLine.java:1652) > at sqlline.Commands.execute(Commands.java:833) > at sqlline.Commands.sql(Commands.java:732) > at sqlline.SqlLine.dispatch(SqlLine.java:807) > at sqlline.SqlLine.begin(SqlLine.java:681) > at sqlline.SqlLine.start(SqlLine.java:398) > at sqlline.SqlLine.main(SqlLine.java:292) > 0: jdbc:phoenix:localhost> select name from hello_table group by name order > by collation_key(name, 'en_US'); > +------------------------------------------+ > | NAME | > +------------------------------------------+ > java.lang.NullPointerException > at > org.apache.phoenix.expression.function.CollationKeyFunction.evaluate(CollationKeyFunction.java:121) > at > org.apache.phoenix.iterate.OrderedResultIterator.getResultIterator(OrderedResultIterator.java:260) > at > org.apache.phoenix.iterate.OrderedResultIterator.next(OrderedResultIterator.java:199) > at > org.apache.phoenix.iterate.OrderedAggregatingResultIterator.next(OrderedAggregatingResultIterator.java:51) > at > org.apache.phoenix.jdbc.PhoenixResultSet.next(PhoenixResultSet.java:779) > at sqlline.IncrementalRows.hasNext(IncrementalRows.java:62) > at sqlline.TableOutputFormat.print(TableOutputFormat.java:33) > at sqlline.SqlLine.print(SqlLine.java:1652) > at sqlline.Commands.execute(Commands.java:833) > at sqlline.Commands.sql(Commands.java:732) > at sqlline.SqlLine.dispatch(SqlLine.java:807) > at sqlline.SqlLine.begin(SqlLine.java:681) > at sqlline.SqlLine.start(SqlLine.java:398) > at sqlline.SqlLine.main(SqlLine.java:292) > 0: jdbc:phoenix:localhost> -- This message was sent by Atlassian JIRA (v7.6.3#76005)