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https://issues.apache.org/jira/browse/HBASE-2946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12924728#action_12924728
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HBase Review Board commented on HBASE-2946:
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Message from: "Jonathan Gray" <[email protected]>
bq. On 2010-10-24 21:41:48, khemani wrote:
bq. > trunk/src/main/java/org/apache/hadoop/hbase/client/Increment.java, line
45
bq. > <http://review.cloudera.org/r/1088/diff/2/?file=15904#file15904line45>
bq. >
bq. > setWriteToWal() is missing?
yup. will add.
bq. On 2010-10-24 21:41:48, khemani wrote:
bq. > trunk/src/main/java/org/apache/hadoop/hbase/client/Increment.java, lines
46-47
bq. > <http://review.cloudera.org/r/1088/diff/2/?file=15904#file15904line46>
bq. >
bq. > why a navigable map? why not just a map?
u can do things like tailMap[() with it.
bq. On 2010-10-24 21:41:48, khemani wrote:
bq. > trunk/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java,
line 3012
bq. > <http://review.cloudera.org/r/1088/diff/2/?file=15907#file15907line3012>
bq. >
bq. > I am not sure how it is ensured that the order of iteration over the
columns in family.getValue.entrySet() is same as the order of results returned?
bq. >
bq. > Also, if get finds multiple matches then will it return all of them?
If yes then this will not work.
familyMap and the map of columns to amounts are both TreeMaps ordered with
Bytes.BYTES_COMPARATOR. Results are also guaranteed to be in order. And our
Get has maxVersions=1 so we will not get multiple matches per column.
> Increment multiple columns in a row at once
> -------------------------------------------
>
> Key: HBASE-2946
> URL: https://issues.apache.org/jira/browse/HBASE-2946
> Project: HBase
> Issue Type: New Feature
> Components: client, regionserver
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
>
> Currently there is no way to do multiple increments to a single row in one
> RPC. This jira is about adding an HTable and HRegionInterface method to
> increment multiple columns within a single row at once.
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