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https://issues.apache.org/jira/browse/HBASE-18546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16130278#comment-16130278
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Chia-Ping Tsai commented on HBASE-18546:
----------------------------------------
Ping for reviews~
> Always overwrite the TS for Append/Increment unless no existing cells are
> found
> -------------------------------------------------------------------------------
>
> Key: HBASE-18546
> URL: https://issues.apache.org/jira/browse/HBASE-18546
> Project: HBase
> Issue Type: New Feature
> Components: API, Client
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Critical
> Labels: incompatibleChange
> Fix For: 2.0.0
>
> Attachments: HBASE-18546.v0.patch, HBASE-18546.v1.patch,
> HBASE-18546.v2.patch
>
>
> We don't pass the custom timestamp for Increment, and the increment's
> timestamp always be rewrite. Hence, user can't increment a cell with custom
> timestamp.
> {code:title=ProtobufUtil.java}
> if (values != null && values.size() > 0) {
> for (Cell cell: values) {
> valueBuilder.clear();
> valueBuilder.setQualifier(UnsafeByteOperations.unsafeWrap(
> cell.getQualifierArray(), cell.getQualifierOffset(),
> cell.getQualifierLength()));
> valueBuilder.setValue(UnsafeByteOperations.unsafeWrap(
> cell.getValueArray(), cell.getValueOffset(),
> cell.getValueLength()));
> if (cell.getTagsLength() > 0) {
>
> valueBuilder.setTags(UnsafeByteOperations.unsafeWrap(cell.getTagsArray(),
> cell.getTagsOffset(), cell.getTagsLength()));
> }
> columnBuilder.addQualifierValue(valueBuilder.build());
> }
> }
> {code}
> In contrast to Increment, user can append the cell with custom timestamp. It
> would be better that make their behavior consistent.
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