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From Branko ─îibej <br...@wandisco.com>
Subject Re: [Apache Bloodhound] BloodhoundSearch modified
Date Wed, 19 Dec 2012 17:22:10 GMT
On 19.12.2012 18:03, Olemis Lang wrote:
> On 12/19/12, Apache Bloodhound <bloodhound-dev@incubator.apache.org> wrote:
>> Page "BloodhoundSearch" was changed by andrej
>> Diff URL:
>> <https://issues.apache.org/bloodhound/wiki/BloodhoundSearch?action=diff&version=5>
>> Revision 5
>> Changes:
>> -------8<------8<------8<------8<------8<------8<------8<------8<--------
>> Index: BloodhoundSearch
>> =========================================================================
>> --- BloodhoundSearch (version: 4)
>> +++ BloodhoundSearch (version: 5)
>> @@ -62,4 +62,6 @@
>>   * Improve index consistency.
>>     * Current implementation uses ITicketChangeListener interface that
>> triggers after DB committed. There is some chances to get inconsistency
>> between DB and index. In this case reindex is required. One of the possible
>> solution is contact Trac community to introduce a new within transaction
>> I<Resource>ChangingListener interface, save changes into additional table
>> and index changes in separate thread.
>>     * Some ticket changes are not reflected in event interfaces e.g. Version
>> and Component renaming. One of the possible solution is to contact Trac
>> community to introduce new interfaces.
>> +   * Alternative solution is triggering events from SQL proxy developed on
>> multi-product branch
>> +   * Usage of DB triggers is another alternative
> side note : for some reason Trac-dev are not very fond of triggers ...
> maybe because each DB backend provider implements triggers in a
> different manner ?

At least SQLite had bugs in certain cases of trigger usage until quite
recently. That could be one reason.

The more likely reason is that Trac doesn't actually use a relational
database. It uses a persistent data store that depends on some minor
side effects of the feature set of a relational database. :)

-- Brane

-- 
Branko ─îibej
Director of Subversion | WANdisco | www.wandisco.com


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