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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.diff
Upload the first patch.
1. Warn the usage in the comments of the addFamily.
2. Add the updateFamily in HTableDescriptor.
3. Add warn for create operation with duplicate families in hbase shell.
Hi [~busbey], could you please help look at it. 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.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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