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From "Huon Wilson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-22841) TimeRange's factory functions do not support ranges, only `allTime` and `at`
Date Tue, 13 Aug 2019 05:03:00 GMT
Huon Wilson created HBASE-22841:

             Summary: TimeRange's factory functions do not support ranges, only `allTime`
and `at`
                 Key: HBASE-22841
                 URL: https://issues.apache.org/jira/browse/HBASE-22841
             Project: HBase
          Issue Type: Improvement
          Components: Client
    Affects Versions: 2.1.5, 2.2.0
            Reporter: Huon Wilson

The {{org.apache.hadoop.hbase.io.TimeRange}} is used in functions like {{org.apache.hadoop.hbase.client.Table.CheckAndMutateBuilder#timeRange}}.

The current ways to create a {{TimeRange}} are:

- factory functions: {{at}} (a single instant), {{allTime}} (all valid timestamps)
- deprecated and {{@InterfaceAudience.Private}} constructors, which support more ranges, like
{{[minStamp, maxStamp)}}, and {{[minStamp, MAX)}}

This is insufficient for all but the simplest use of the {{CheckAndMutateBuilder#timeRange}}

On user@hbase.apache.org, it was suggested that more factory functions could be added: https://lists.apache.org/thread.html/0ffc5e57c396873d56e49d7b02e823432b053fb98037ee6778d7c2ce@%3Cuser.hbase.apache.org%3E

However, {{TimeRange}}'s documentation currently says:

 * Can be returned and read by clients.  Should not be directly created by clients.
 * Thus, all constructors are purposely @InterfaceAudience.Private.

so another approach to making {{CheckAndMutateBuilder#timeRange}} useful may be required.

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