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HBASE-1838 [javadoc] Add javadoc to Delete explaining behavior when no timestamp provided 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@814797 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2009-09-14 19:35:37 +00:00
parent 57b8b91af9
commit 10b3026dc7
2 changed files with 13 additions and 6 deletions
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2
CHANGES.txt
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@ -22,6 +22,8 @@ Release 0.21.0 - Unreleased
HBASE-1808 [stargate] fix how columns are specified for scanners
HBASE-1828 CompareFilters are broken from client-side
HBASE-1836 test of indexed hbase broken
HBASE-1838 [javadoc] Add javadoc to Delete explaining behavior when no
timestamp provided
IMPROVEMENTS
HBASE-1760 Cleanup TODOs in HTable

17
src/java/org/apache/hadoop/hbase/client/Delete.java
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@ -51,11 +51,16 @@ import org.apache.hadoop.hbase.util.Bytes;
* {@link #deleteColumn(byte [],byte [],long) deleteColumn}
* for each column version to delete.
* <p>
* Specifying timestamps calling constructor, deleteFamily, and deleteColumns
* will delete all versions with a timestamp less than or equal to that
* specified. Specifying a timestamp to deleteColumn will delete versions
* only with a timestamp equal to that specified.
* <p>The timestamp passed to the constructor is only used ONLY for delete of
* Specifying timestamps, deleteFamily and deleteColumns will delete all
* versions with a timestamp less than or equal to that passed. If no
* timestamp is specified, an entry is added with a timestamp of 'now'
* where 'now' is the servers's System.currentTimeMillis().
* Specifying a timestamp to the deleteColumn method will
* delete versions only with a timestamp equal to that specified.
* If no timestamp is passed to deleteColumn, internally, it figures the
* most recent cell's timestamp and adds a delete at that timestamp; i.e.
* it deletes the most recently added cell.
* <p>The timestamp passed to the constructor is used ONLY for delete of
* rows. For anything less -- a deleteColumn, deleteColumns or
* deleteFamily -- then you need to use the method overrides that take a
* timestamp. The constructor timestamp is not referenced.
@ -356,4 +361,4 @@ public class Delete implements Writable {
}
}
}
}
}