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https://issues.apache.org/jira/browse/COUCHDB-292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689722#action_12689722
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Matt Goodall commented on COUCHDB-292:
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Here's a test:
couchTests.undead = function(debug) {
// Create fresh database
var db = new CouchDB("test_suite_db");
db.deleteDb();
db.createDb();
// Create a document
var results = db.bulkSave([{_id: "foo"}]);
var original_rev = results[0].rev;
T(db.info().doc_count == 1);
// Delete the document.
var results = db.bulkSave([{_id: "foo", _rev: original_rev, _deleted:
true}]);
T(results[0].rev != original_rev);
T(db.info().doc_count == 0);
// Try to raise the document from the grave (shouldn't work).
var results = db.bulkSave([{_id: "foo", _rev: original_rev}]);
T(results[0].error == "conflict");
T(db.info().doc_count == 0);
};
> A deleted document may be resaved with an old revision and is then considered
> undeleted
> ---------------------------------------------------------------------------------------
>
> Key: COUCHDB-292
> URL: https://issues.apache.org/jira/browse/COUCHDB-292
> Project: CouchDB
> Issue Type: Bug
> Components: Database Core
> Affects Versions: 0.9
> Reporter: Paul Carey
> Fix For: 0.10
>
>
> If a document is deleted, a PUT request may be issued with the same revision
> that was passed to the DELETE request. When this happens the previously
> deleted document is assigned a new revision and is no longer considered
> deleted.
> This behaviour is new within the last few weeks.
> The following curl session illustrates the issue.
> 08:18 : ~ $ curl -X PUT -d '{"_id":"foo"}' localhost:5984/scratch/foo
> {"ok":true,"id":"foo","rev":"1-3690485448"}
> 08:19 : ~ $ curl -X PUT -d '{"_id":"foo","_rev":"1-3690485448"}'
> localhost:5984/scratch/foo
> {"ok":true,"id":"foo","rev":"2-966942539"}
> 08:19 : ~ $ curl -X DELETE localhost:5984/scratch/foo?rev="2-966942539"
> {"ok":true,"id":"foo","rev":"3-421182311"}
> 08:20 : ~ $ curl -X GET localhost:5984/scratch/foo
> {"error":"not_found","reason":"deleted"}
> 08:20 : ~ $ curl -X PUT -d '{"_id":"foo","_rev":"2-966942539"}'
> localhost:5984/scratch/foo
> {"ok":true,"id":"foo","rev":"3-1867999175"}
> 08:20 : ~ $ curl -X GET localhost:5984/scratch/foo
> {"_id":"foo","_rev":"3-1867999175"}
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