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https://issues.apache.org/jira/browse/PHOENIX-4917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16624856#comment-16624856
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ASF GitHub Bot commented on PHOENIX-4917:
-----------------------------------------
GitHub user geraldss opened a pull request:
https://github.com/apache/phoenix/pull/356
PHOENIX-4917 Fix ClassCastException when projecting array elements in hash
join
cc @twdsilva @JamesRTaylor @joshelser
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/geraldss/phoenix master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/phoenix/pull/356.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #356
----
commit 19c87f24d99c7807df6dbc8288609a3ac083fec5
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-08-22T23:59:12Z
PHOENIX-4791 Propagate projected array elements through hash join
commit 8c10d86028655435f962aeaba01f009cade58ef8
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-08-23T01:49:21Z
PHOENIX-4791 Test array element projection with/without hash joins and full
arrays
commit 58f14e94a2f4e933ad8a61517ff1ae5568a78b8b
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-08-23T15:07:09Z
PHOENIX-4791 Add comments about propagating array element cell
commit b9ce327e6a473ff4e8d9314b342da06e78058461
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-08-30T23:25:45Z
PHOENIX-4791 Skip dropTable() when testing array element projection
commit 46310eda603f2451009ade2ffd8befa9e702aa65
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-09-04T23:38:50Z
PHOENIX-4791 Reduce source code line lengths for array element projection
commit d5dfeee7c1d25f42cb0acef221fc18d6f7ef1680
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-09-05T04:20:14Z
PHOENIX-4791 Fix another source code line for array element projection
commit 11cce36576f2792f7ac0cfe0f8df2352734bd1b3
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-09-22T18:36:00Z
PHOENIX-4917 Fix ClassCastException when projecting array elements in hash
join
commit a5879535cec78604585678ffbeb11610386f045e
Author: Gerald Sangudi <gsangudi@...>
Date: 2018-09-22T23:06:38Z
Merge remote-tracking branch 'upstream/master'
----
> ClassCastException when projecting array elements in hash join
> --------------------------------------------------------------
>
> Key: PHOENIX-4917
> URL: https://issues.apache.org/jira/browse/PHOENIX-4917
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.15.0, 4.14.1
> Reporter: Gerald Sangudi
> Assignee: Gerald Sangudi
> Priority: Major
> Fix For: 4.15.0, 4.14.1
>
> Attachments: PHOENIX-4917.patch
>
>
> This bug was introduced in the fix for PHOENIX-4791.
> When projecting array elements in hash join, we now generate both
> ProjectedTupleValue and MultiKeyTupleValue. Before the fix for PHOENIX-4791,
> hash join was only generating ProjectedTupleValue, and there were two lines
> of code with class casts that reflected this assumption. The fix is to handle
> both ProjectedTupleValue and MultiKeyTupleValue, while continuing to
> propagate the array cell as in PHOENIX-4791.
>
> The stack trace with the ClassCastException:
> Caused by:
> org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.DoNotRetryIOException):
> org.apache.hadoop.hbase.DoNotRetryIOException:
> GENO_DOSE,,1537598769044.1a6cb8853b036c59e7515d8e876e28c5.:
> org.apache.phoenix.schema.tuple.MultiKeyValueTuple cannot be cast to
> org.apache.phoenix.execute.TupleProjector$ProjectedValueTuple
> at org.apache.phoenix.util.ServerUtil.createIOException(ServerUtil.java:96)
> at org.apache.phoenix.util.ServerUtil.throwIOException(ServerUtil.java:62)
> at
> org.apache.phoenix.coprocessor.HashJoinRegionScanner.nextRaw(HashJoinRegionScanner.java:300)
> at
> org.apache.phoenix.coprocessor.DelegateRegionScanner.nextRaw(DelegateRegionScanner.java:82)
> at
> org.apache.phoenix.coprocessor.DelegateRegionScanner.nextRaw(DelegateRegionScanner.java:82)
> at
> org.apache.phoenix.coprocessor.BaseScannerRegionObserver$RegionScannerHolder.nextRaw(BaseScannerRegionObserver.java:294)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2633)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2837)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:34950)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2339)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:188)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:168)
> Caused by: java.lang.ClassCastException:
> org.apache.phoenix.schema.tuple.MultiKeyValueTuple cannot be cast to
> org.apache.phoenix.execute.TupleProjector$ProjectedValueTuple
> at
> org.apache.phoenix.coprocessor.HashJoinRegionScanner.processResults(HashJoinRegionScanner.java:220)
> at
> org.apache.phoenix.coprocessor.HashJoinRegionScanner.nextRaw(HashJoinRegionScanner.java:294)
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