Sean Busbey created HBASE-12329:
-----------------------------------
Summary: 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
Priority: Minor
>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
{quote}
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
{quote}
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