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https://issues.apache.org/jira/browse/SYSTEMML-1018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm updated SYSTEMML-1018:
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Description: Transformdecode (matrix to frame conversion) currently always
outputs a frame with pure string schema. This is memory-inefficient as all
"pass-through" columns (i.e., columns without transform specification) can be
encoded in double schema.
> Transformdecode creates wrong schema for pass-through columns
> -------------------------------------------------------------
>
> Key: SYSTEMML-1018
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1018
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
>
> Transformdecode (matrix to frame conversion) currently always outputs a frame
> with pure string schema. This is memory-inefficient as all "pass-through"
> columns (i.e., columns without transform specification) can be encoded in
> double schema.
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