need programmatic way to add column family: need programmatic way to
enable/disable table
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Key: HBASE-655
URL: https://issues.apache.org/jira/browse/HBASE-655
Project: Hadoop HBase
Issue Type: Bug
Reporter: Michael Bieniosek
>From HADOOP-2292:
> What you might do is open a HTable on the META region
> (HConstants.META_TABLE_NAME) and scan HConstants.COL_REGIONINFO_ARRAY which
> will give you back HRegionInfo objects (as bytes).
> Find the table in question by comparing your table name to
> regionInfo.getTableDesc().getName()
> If adding or deleting columns, check regionInfo.getTableDesc().hasFamily()
> If changing table on/off line check regionInfo.isOffline()
> If any of the regions don't meet the criteria, close the scanner, sleep and
> rescan.
This is a bit too complicated for me. If you won't make
enableTable/disableTable synchronous, we should at least have a
HTable.isTableDisabled method.
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