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https://issues.apache.org/jira/browse/COUCHDB-3326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16495630#comment-16495630
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ASF subversion and git services commented on COUCHDB-3326:
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Commit 938786c28e8d1372ef80b51883dcbab6823c9601 in couchdb's branch
refs/heads/COUCHDB-3326-clustered-purge-pr5-implementation from
[~paul.joseph.davis]
[ https://gitbox.apache.org/repos/asf?p=couchdb.git;h=938786c ]
[03/N] Clustered Purge: Update couch_bt_engine
This commit updates the couch_bt_engine storage engine implementation to
satisfy the newly defined single-node purge APIs. This is accomplished
by storing two new database btrees.
The purge_seq_tree orders purge requests by their purge_seq. This tree
is used to satisfy the fold_purge_infos API for database components to
enumerate the list of purge requests in a defined order.
The second index is the purge_tree which orders purge requests by their
UUID to make for an efficient lookup when filtering replicated purge
requests.
COUCHDB-3326
Co-authored-by: Mayya Sharipova <may...@ca.ibm.com>
Co-authored-by: jiangphcn <jian...@cn.ibm.com>
> Implement clustered purge API: _purge
> -------------------------------------
>
> Key: COUCHDB-3326
> URL: https://issues.apache.org/jira/browse/COUCHDB-3326
> Project: CouchDB
> Issue Type: New Feature
> Components: Database Core, Documentation, HTTP Interface
> Reporter: Mayya Sharipova
> Priority: Major
>
> This implements the clustered purge API:
> {code:}
> curl -H 'Content-Type: application/json' -X POST
> "http://adm:pass@127.0.0.1:5984/test1/_purge"; -d
> '{"d1":["3-410e46c04b51b4c3304ed232790a49da",
> "3-420e46c04b51b4c3304ed232790a35db"],"d2":["2-a39d6d63f29a956ae39930f84dd71ec3"],
> "d3":["1-bdca7a3ac9503bf6e46d7d7a782e8f03"]}'
> {code}
> Response: status_code 201 or 202
> {code:javascript}
> {
> "purged": [
> {
> "ok": true, //Quorum was reached, at least W nodes
> successfully purged doc
> "id": "d1",
> "revs": [
> "3-410e46c04b51b4c3304ed232790a49da",
> "3-420e46c04b51b4c3304ed232790a35db"
> ]
> },
> {
> "accepted": true, //Quorum was NOT reached, but request was
> accepted
> "id": "d2",
> "revs": [
> "2-a39d6d63f29a956ae39930f84dd71ec3"
> ]
> },
> {
> "ok": true,
> "id": "d3",
> "revs": [] //(DocId or Revs missing) OR (Revs are not leaf
> revisions)
> } ],
> "purge_seq":
> "6-g1AAAABMeJzLYWBgYMpgTmHgz8tPSTV2MDQy1zMAQsMckEQiQ5L8____sxKZ4UoMcSrJAgC9PRRl"
> }
> {code}
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