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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/02/20 22:50:44 UTC
[jira] [Closed] (SYSTEMML-1337) Frame leftindexing with different
schemas
[ https://issues.apache.org/jira/browse/SYSTEMML-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias Boehm closed SYSTEMML-1337.
------------------------------------
> Frame leftindexing with different schemas
> -----------------------------------------
>
> Key: SYSTEMML-1337
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1337
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 0.13
>
>
> Frame left indexing with different column schemas of lhs and rhs currently fails as follows
> {code}
> Caused by: java.lang.ClassCastException: org.apache.sysml.runtime.matrix.data.FrameBlock$DoubleArray cannot be cast to org.apache.sysml.runtime.matrix.data.FrameBlock$StringArray
> at org.apache.sysml.runtime.matrix.data.FrameBlock$StringArray.set(FrameBlock.java:1209)
> at org.apache.sysml.runtime.matrix.data.FrameBlock$StringArray.set(FrameBlock.java:1206)
> at org.apache.sysml.runtime.matrix.data.FrameBlock.leftIndexingOperations(FrameBlock.java:760)
> {code}
> We should provide a fast path for common schemas (based on memcopy as done so far) and a general path which requires object conversions.
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