Searching on diacritics change?

[paulb...@gmail.com]

In our application we can search for products in a database by using an index.

I have for example a document with a property "Name", where "Name" is filled with "Others OB QDC 2000 drönare"

If I look into "Terms" for my index on the analyzed field "Name" in the raven studio, I get:
Name
- 2000
- drönare
- ob
- others
- qdc

When I do manual query in the Raven Studio with Raven version 3.0.30166 I get some unexpected results:

Name:others

returns the correct document

Name:dr*

returns the correct document

Name:drönare

returns nothing

Name:drö*

returns nothing

When I use RavenDB version 3.0.30037 it returns the document in all the above queries.

It looks like it has something to do with the special character ö.

Did something change between the 2 ravendb versions?

Paul

[Oren Eini (Ayende Rahien)]

This should just work. What versions  are you working with?

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[paulb...@gmail.com]

In 3.0.30166 we have the issue.

In 3.0.30037 the issue does not occur.

I do have to say that the database has been created by a .NET client with version 2.5.2991.0. But that goes for both server versions.

I could create an export of the database, to see if the result is the same on your end. There is just one document in there, so it is not very large.

Op donderdag 16 maart 2017 13:11:15 UTC+1 schreef Oren Eini:

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[Oren Eini (Ayende Rahien)]

Yes, that would be great

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[paulb...@gmail.com]

Here it is.

The index I use is ProductsAll.

A query to reproduce is: Name:drönare

Op donderdag 16 maart 2017 13:20:28 UTC+1 schreef Oren Eini:

[Oren Eini (Ayende Rahien)]

You are forcibly setting the analyzer to use lower case, and that might be related

It worked when I tried it on my end

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[paulb...@gmail.com]

After some code debugging, it looks like this is an issue which is fixed in RavenDB 3.5

RavenDB-6247 issue when querying unicode from the browser fixed partially since we can't do anything when we have both url encoding and unicode chars

Can you tell me if this fix will be done in 3.0. That would really help us a lot.

Op donderdag 16 maart 2017 13:48:08 UTC+1 schreef Oren Eini:

[Oren Eini (Ayende Rahien)]

We aren't servicing any non critical fixes to 3.0 at the moment. Since this impacts only the studio, you can either ignore it or use the workaround.

Set: Raven/Indexing/UseLuceneASTParser to true in the configuration

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[paulb...@gmail.com]

The problem is not just in the studio. That was just a way to reproduce the issue.

For us the issue occurs when using a .NET client older than 3.0.

Unfortunately we are using a client older than 3.0 because we also need support for 2.5 databases.

I would like a workaround if possible, but it looks like the Raven/Indexing/UseLuceneASTParser is only available starting from the 3.5 code.

Op vrijdag 17 maart 2017 13:01:39 UTC+1 schreef Oren Eini:

[Tal Weiss]

I think i know what is causing this problem, it is an issue due to the v2.5 client been identified as the studio.

you can keep tack of the issue here http://issues.hibernatingrhinos.com/issue/RavenDB-6578

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[Tal Weiss]

just to be clear, are you seen the wrong query results from the 2.x client or just from the studio?

[paulb...@gmail.com]

We are seeing the issue in both of them. (2.5 client and Raven studio)

Op zondag 19 maart 2017 10:44:15 UTC+1 schreef Tal Weiss:

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Hibernating Rhinos Ltd  

Tal Weiss l Core Team Developer l Mobile:+972-54-802-4849

Office: +972-4-622-7811 l Fax: +972-153-4-622-7811l Skype: talweiss1982

RavenDB paving the way to "Data Made Simple" http://ravendb.net/ 

[Oren Eini (Ayende Rahien)]

This issue has been fixed

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