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https://issues.apache.org/jira/browse/HBASE-7702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jesse Yates updated HBASE-7702:
-------------------------------
Attachment: hbase-7702_0.94-v2.patch
Attaching a slightly updated version for 0.94. Main changes are adding a 'setup
config' method for the filter:
{code}
/**
* Add a Filter to be instantiated on import
* @param conf Configuration to update (will be passed to the job)
* @param clazz {@link Filter} subclass to instantiate on the server.
* @param args List of arguments to pass to the filter on instantiation
*/
public static void addFilterAndArguments(Configuration conf, Class<? extends
Filter> clazz,
List<String> args) {
conf.set(Import.FILTER_CLASS_CONF_KEY, clazz.getName());
// build the param string for the key
StringBuilder builder = new StringBuilder();
for (int i = 0; i < args.size(); i++) {
String arg = args.get(i);
builder.append(arg);
if (i != args.size() - 1) {
builder.append(",");
}
}
conf.set(Import.FILTER_ARGS_CONF_KEY, builder.toString());
}
{code}
I'll update the trunk patch if people are happy with this addition
> Adding filtering to Import jobs
> -------------------------------
>
> Key: HBASE-7702
> URL: https://issues.apache.org/jira/browse/HBASE-7702
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Reporter: Jesse Yates
> Assignee: Jesse Yates
> Fix For: 0.96.0, 0.94.5
>
> Attachments: hbase-7702_0.94-v0.patch, hbase-7702_0.94-v1.patch,
> hbase-7702_0.94-v2.patch, hbase-7702_trunk-v0.patch, hbase-7702_trunk-v1.patch
>
>
> Add the ability to filter to the Import MapReduce job.
> Often times when restoring a table from an Export job, its not desirable to
> import all the rows, but rather just a subset. This adds the abililty to just
> import rows to the table that pass a given filter.
> This is the complement to HBASE-2495
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