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https://issues.apache.org/jira/browse/HBASE-5548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesse Yates updated HBASE-5548:
-------------------------------
Attachment: ruby_HBASE-5548-v1.patch
Attaching patch...
1) Fixed stack's comments
2) Added features:
- create now returns the table that was created
- scan now dynamically adds a scan method to htable
The latter makes sure that the table will output a scan 'nicely', and could be
a decent paradigm for adding methods to the Table class (though probably some
cleanup needs to be done as far as aliasing methods etc.). Thoughts on this new
style?
Also, here is the output from some usage:
{code}
1.9.2-p290 :006 > t = create 't', 'f'
0 row(s) in 1.0470 seconds
=> #<Hbase::Table:0x55187eb3
@table=#<Java::OrgApacheHadoopHbaseClient::HTable:0x92524b0>,
@shell=#<Shell::Shell:0x329b5c95
@formatter=#<Shell::Formatter::Console:0x75db5427 @out=Kernel, @row_count=0,
@max_width=80>, @hbase_admin=#<Hbase::Admin:0x127208e4
@zk_wrapper=#<Java::OrgApacheHadoopHbaseZookeeper::ZooKeeperWatcher:0xcb80017>,
@zk_main=#<Java::OrgApacheZookeeper::ZooKeeperMain:0x646326e5>,
@formatter=#<Shell::Formatter::Console:0x75db5427 @out=Kernel, @row_count=0,
@max_width=80>, @conf=#<Java::OrgApacheHadoopConf::Configuration:0x4332b67c>,
@admin=#<Java::OrgApacheHadoopHbaseClient::HBaseAdmin:0x2fbb3e9a>>,
@hbase=#<Hbase::Hbase:0x56781dd4
@configuration=#<Java::OrgApacheHadoopConf::Configuration:0x4332b67c>>>>
1.9.2-p290 :007 > t.put 'r', 'f', 'v'
1.9.2-p290 :008 > t1 = get_table 't'
0 row(s) in 0.0240 seconds
=> #<Hbase::Table:0x7194f467
@table=#<Java::OrgApacheHadoopHbaseClient::HTable:0x6a39d072>,
@shell=#<Shell::Shell:0x329b5c95
@formatter=#<Shell::Formatter::Console:0x75db5427 @out=Kernel, @row_count=0,
@max_width=80>, @hbase_admin=#<Hbase::Admin:0x127208e4
@zk_wrapper=#<Java::OrgApacheHadoopHbaseZookeeper::ZooKeeperWatcher:0xcb80017>,
@zk_main=#<Java::OrgApacheZookeeper::ZooKeeperMain:0x646326e5>,
@formatter=#<Shell::Formatter::Console:0x75db5427 @out=Kernel, @row_count=0,
@max_width=80>, @conf=#<Java::OrgApacheHadoopConf::Configuration:0x4332b67c>,
@admin=#<Java::OrgApacheHadoopHbaseClient::HBaseAdmin:0x2fbb3e9a>>,
@hbase=#<Hbase::Hbase:0x56781dd4
@configuration=#<Java::OrgApacheHadoopConf::Configuration:0x4332b67c>>>>
1.9.2-p290 :009 > t.put 'r2', 'f', 'v'
1.9.2-p290 :010 > t.scan
ROW COLUMN+CELL
r column=f:, timestamp=1331521351836, value=v
r2 column=f:, timestamp=1331521368969, value=v
2 row(s) in 0.0870 seconds
{code}
> Add ability to get a table in the shell
> ---------------------------------------
>
> Key: HBASE-5548
> URL: https://issues.apache.org/jira/browse/HBASE-5548
> Project: HBase
> Issue Type: Improvement
> Components: shell
> Reporter: Jesse Yates
> Assignee: Jesse Yates
> Fix For: 0.96.0
>
> Attachments: ruby_HBASE-5528-v0.patch, ruby_HBASE-5548-v1.patch
>
>
> Currently, all the commands that operate on a table in the shell first have
> to take the table as name as input.
> There are two main considerations:
> * It is annoying to have to write the table name every time, when you should
> just be able to get a reference to a table
> * the current implementation is very wasteful - it creates a new HTable for
> each call (but reuses the connection since it uses the same configuration)
> We should be able to get a handle to a single HTable and then operate on that.
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