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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/12/17 02:04:58 UTC

[jira] [Updated] (HBASE-15432) TableInputFormat - support multi column family scan

     [ https://issues.apache.org/jira/browse/HBASE-15432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-15432:
---------------------------
    Summary: TableInputFormat - support multi column family scan  (was: TableInputFormat - support multiple column families scan)

> TableInputFormat - support multi column family scan
> ---------------------------------------------------
>
>                 Key: HBASE-15432
>                 URL: https://issues.apache.org/jira/browse/HBASE-15432
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 2.0.0, 0.98.16, 0.98.16.1
>            Reporter: nirav patel
>            Assignee: Xuesen Liang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15432.master.002.patch, HBASE-15432.master.003.patch, HBASE-15432.master.patch
>
>
> Currently Hbase TableInputFormat class has SCAN_COLUMN_FAMILY and SCAN_COLUMNS. SCAN_COLUMN_FAMILY can only scan single column family. If we need to scan multiple column families from a table then we must use SCAN_COLUMNS where we must provide both columns and column families which is not a convenient. Can we have a SCAN_COLUMN_FAMILIES which supports scan of multiple column families.



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