and btw, AFAIK MongoQueries does not have support for regexp, but would be
easy to extend them to support it, something like:
[ :each | each name regexpMatch: '^P*' options: 'i' ]
which is of course more expressive than the dictionary :)
Esteban
On Jul 4, 2013, at 8:29 PM, Esteban Lorenzano <esteba...@gmail.com> wrote:
> you also have regexp expressions (and I think they are better than the where
> clause):
>
> {
> #name -> {
> '$regex' -> '^P*'.
> '$options' -> 'i'
> } asDictionary
> } asDictionary
>
> there is no support for it with MongoQueries, but they work fine with
> dictionaries :)
>
> Esteban
>
> On Jul 4, 2013, at 7:36 PM, Bernat Romagosa <tibabenfortlapala...@gmail.com>
> wrote:
>
>> For other kinds of matches, you need javascript queries, if I understood:
>>
>> User selectOne: [ :each | each where: 'this.name[0] == "s"' ]
>>
>> Right?
>>
>>
>> 2013/7/4 Stéphane Ducasse <stephane.duca...@inria.fr>
>> Ok but how do I map conceptual a query to a dictionary
>>
>> Do I guess right that there is an exact match
>>
>> selectOne: { id -> 10} asDictionary
>>
>> will match id = 10
>>
>> Now we can only do exact mathc?
>>
>> name matches: 'stef*'
>>
>>
>> On Jul 4, 2013, at 6:04 PM, Esteban A. Maringolo <emaring...@gmail.com>
>> wrote:
>>
>> > Stef,
>> >
>> > You're asking the other Esteban, but having used Voyage and Mongo I
>> > think I can answer this.
>> >
>> > Mongo receives a JSON object to do all the query filtering. For a
>> > simple lookup it is has a simple structre, as the query gets more
>> > complex it gets esoteric as well (with "special" MongoDB keys in the
>> > format of "$key").
>> >
>> > Because the simplest map we have to a JSON Object is the Dictionary, I
>> > guess that's why it ends up being converted to a Dictionary, which in
>> > turn gets converted to JSON and/or BSON.
>> >
>> > Regards,
>> >
>> > Esteban A. Maringolo
>> >
>> >
>> > 2013/7/4 Stéphane Ducasse <stephane.duca...@inria.fr>:
>> >>
>> >> On Jul 4, 2013, at 2:58 PM, Esteban Lorenzano <esteba...@gmail.com> wrote:
>> >>
>> >> Hi :)
>> >>
>> >> can you check if you have the "MongoQueries" package installed?
>> >>
>> >> cheers,
>> >> Esteban
>> >>
>> >> ps: please notice that in anycase you will not be able to execute
>> >>
>> >> [ :each | each name first = $X ]
>> >>
>> >> because the MongoQueries package just translates the block into a
>> >> mongo-query which is a dictionary (a JSON expression). But you will found
>> >> some ways to help you, some special keywords like #in: and #where: (you
>> >> can
>> >> see how they work in the tests)
>> >>
>> >>
>> >> esteban
>> >> how a dictionary is used to work as a block for a query?
>> >> Can you explain because I would have thought that the first line did not
>> >> work and the second would work.
>> >>
>> >> Stef
>> >>
>> >>
>> >>
>> >>
>> >> On Jul 4, 2013, at 2:17 PM, Bernat Romagosa
>> >> <tibabenfortlapala...@gmail.com>
>> >> wrote:
>> >>
>> >> Hi!
>> >>
>> >> I realize probably only Esteban will be able to answer, but I prefer to
>> >> write to the list so the mail is logged and other people can benefit from
>> >> it.
>> >>
>> >> I'm trying to use blocks as arguments for #selectOne: and #selectMany:,
>> >> but
>> >> it doesn't seem to work. Here's my code:
>> >>
>> >> MyClass selectOne: { #name -> 'Some name' } asDictionary.
>> >> MyClass selectOne: [ :each | each name = 'Some name' ].
>> >>
>> >>
>> >> The first one works, but the second one raises a VOMongoConnectionError.
>> >>
>> >> Also:
>> >>
>> >> MyClass selectMany: { #name -> 'Some name' } asDictionary.
>> >> MyClass selectMany: [ :each | each name = 'Some name' ].
>> >>
>> >>
>> >> The first does work, the second one doesn't, which prevents me from
>> >> writing
>> >> more useful stuff like:
>> >>
>> >> MyClass selectMany: [ :each | each name first = $P ].
>> >>
>> >> Any idea why this could be failing? I've the latest stable version loaded
>> >> via:
>> >>
>> >> Gofer it
>> >> url: 'http://smalltalkhub.com/mc/estebanlm/Voyage/main';
>> >> package: 'ConfigurationOfVoyageMongo';
>> >> load.
>> >> (Smalltalk at: #ConfigurationOfVoyageMongo) load.
>> >>
>> >> Thanks! :)
>> >>
>> >> Bernat.
>> >>
>> >> --
>> >> Bernat Romagosa.
>> >>
>> >>
>> >>
>> >
>>
>>
>>
>>
>>
>> --
>> Bernat Romagosa.
>
