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https://issues.apache.org/jira/browse/TAJO-610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-610:
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Attachment: TAJO-610_20140220_01:55:49.patch
> Refactor Column class
> ---------------------
>
> Key: TAJO-610
> URL: https://issues.apache.org/jira/browse/TAJO-610
> Project: Tajo
> Issue Type: Bug
> Components: catalog
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.8-incubating
>
> Attachments: TAJO-610.patch, TAJO-610_20140220_01:55:49.patch
>
>
> Column class has some ambiguous methods and some complex logics.
> This patch simplifies and refactors Column class as follows:
> * Rename getColumnNum() to size()
> * Remove qualifier variable from Column and ColumnProto
> * Rename getColumnName to getSimpleName
> * Move some codes for qualification and simple name to CatalogUtil and
> refactor them for common identifiers including database, table and column
> names
> * Change Column as an immutable object
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