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https://issues.apache.org/jira/browse/HBASE-15498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Liangliang updated HBASE-15498:
----------------------------------
Assignee: He Liangliang
Release Note: Adding conditions in mutate rows request, and check the
conditions before the mutations. Return indexes of failed conditions if any.
Status: Patch Available (was: Open)
> Add conditions in MultiRowMutationService
> -----------------------------------------
>
> Key: HBASE-15498
> URL: https://issues.apache.org/jira/browse/HBASE-15498
> Project: HBase
> Issue Type: New Feature
> Components: Coprocessors
> Reporter: He Liangliang
> Assignee: He Liangliang
> Attachments: HBASE-15498.diff
>
>
> Many applications especially online services need conditional batch
> operations to achieve atomicity. We can add conditions in
> MultiRowMutationService like:
> {code:java}
> message MutateRowsRequest {
> repeated MutationProto mutation_request = 1;
> optional uint64 nonce_group = 2;
> optional uint64 nonce = 3;
> repeated Condition condition = 4;
> }
> message MutateRowsResponse {
> repeated int32 unmet_conditions = 1;
> }
> service MultiRowMutationService {
> rpc MutateRows(MutateRowsRequest)
> returns(MutateRowsResponse);
> }
> {code}
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