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https://issues.apache.org/jira/browse/HBASE-12412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322423#comment-14322423
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Jingcheng Du commented on HBASE-12412:
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Thanks Misty.
Why do we introduce some many other changes (coprocessor related) into this
patch?
In the hbase_apis.adoc, I think we still need a few changes.
1. The column family "NEWCF" is not existing, we could not use modifyFamily
instead of addColumn. Let's keep this line the same as now ( still use
addColumn).
2. Directly add these following code after the line of addColumn.
{code}
HColumnDescriptor existingColumn = new HColumnDescriptor(CF_DEFAULT);
existingColumn.setCompactionCompressionType(Algorithm.GZ);
existingColumn.setMaxVersions(HConstants.ALL_VERSIONS);
table_assetmeta.modifyFamily(existingColumn)
admin.modifyTable(tableName, table_assetmeta);
{code}
How about this?
> update the ref guide(currently Example 10.2) to show "update an existing CF"
> with the new API modifyFamily in master
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-12412
> URL: https://issues.apache.org/jira/browse/HBASE-12412
> Project: HBase
> Issue Type: Bug
> Components: documentation
> Reporter: Jingcheng Du
> Assignee: Misty Stanley-Jones
> Priority: Minor
> Attachments: HBASE-12412-v1.patch, HBASE-12412.patch
>
>
> In the new implementation of HTableDescriptor, updating an existing CF
> doesn't use the addFamily any more(An IllegalArgumentException is thrown in
> such a case.), the new API modifyFamily is used instead.
> We need to update the ref guide (currently Example 10.2) to show "update an
> existing CF" with the new API modifyFamily in master.
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