Take a look at release notes for HBASE-5416. Below is from SingleColumnValueFilter:
public boolean isFamilyEssential(byte[] name) {
return !this.filterIfMissing || Bytes.equals(name, this.columnFamily);
}
Also refer to TestJoinedScanners
Cheers
On Wed, Jun 5, 2013 at 6:58 PM, Siyuan he <[email protected]> wrote:
> Hello,
>
> Can some one tell how to define a column family as a "essential column
> family"?
>
> Thanks,
> siyuan
>
