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https://issues.apache.org/jira/browse/SYSTEMML-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm resolved SYSTEMML-1337.
--------------------------------------
Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 0.13
> 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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