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https://issues.apache.org/jira/browse/HBASE-12329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingcheng Du updated HBASE-12329:
---------------------------------
Attachment: HBASE-12329-V2.diff
The latest patch is uploaded.
bq. either update the API example in the ref guide (currently Example 10.2) to
show "update an existing CF" or file a follow on ticket that such docs are
needed
I think it's better to be done by Misty for the ref guide?
Hi, [~misty], do you want to update the ref guide(currently Example 10.2 to
show "update an existing CF" with the new API modifyFamily in master) after
this JIRA is committed? Thanks a lot!
Hi all, please be noted, this patch is targeted to master. If it's backported
to lower versions, should have the "last one wins" warning in addFamily method
instead of throwing a runtime exception.
Thanks.
> Table create with duplicate column family names quietly succeeds
> ----------------------------------------------------------------
>
> Key: HBASE-12329
> URL: https://issues.apache.org/jira/browse/HBASE-12329
> Project: HBase
> Issue Type: Bug
> Components: Client, shell
> Reporter: Sean Busbey
> Assignee: Jingcheng Du
> Priority: Minor
> Attachments: HBASE-12329-V2.diff, HBASE-12329.diff
>
>
> From the mailing list
> {quote}
> I was expecting that it is forbidden, **but** this call does not throw any
> exception
> {code}
> String[] families = {"cf", "cf"};
> HTableDescriptor desc = new HTableDescriptor(name);
> for (String cf : families) {
> HColumnDescriptor coldef = new HColumnDescriptor(cf);
> desc.addFamily(coldef);
> }
> try {
> admin.createTable(desc);
> } catch (TableExistsException e) {
> throw new IOException("table \'" + name + "\' already exists");
> }
> {code}
> {quote}
> And Ted's follow up replicates in the shell
> {code}
> hbase(main):001:0> create 't2', {NAME => 'f1'}, {NAME => 'f1'}
> The table got created - with 1 column family:
> hbase(main):002:0> describe 't2'
> DESCRIPTION
> ENABLED
> 't2', {NAME => 'f1', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'ROW',
> REPLICATION_SCOPE => '0 true
> ', VERSIONS => '1', COMPRESSION => 'NONE', MIN_VERSIONS => '0', TTL =>
> '2147483647', KEEP_DELETED
> _CELLS => 'false', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE
> => 'true'}
> 1 row(s) in 0.1000 seconds
> {code}
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