Also, how does one query a referenced object?
MyClass selectMany: { 'project.name' -> 'Test' } asDictionary. "<-- Works
only if project is an embedded object, but it doesn't if it's a reference."
2013/7/8 Bernat Romagosa <tibabenfortlapala...@gmail.com>
> Sorry for being lazy, but how does one use logical operators in dictionary
> queries?
>
> I'm trying something like:
>
> (User selectMany: { 'profile.firstName' -> { '$regex' -> '^.*na.*'.
> '$options' -> 'i'} asDictionary } asDictionary).
>
> And I'd like to *$or* this with:
>
> 'profile.surname' -> { '$regex' -> '^.*ve.*'. '$options' -> 'i'}
> asDictionary.
>
>
> 2013/7/6 Stéphane Ducasse <stephane.duca...@inria.fr>
>
>>
>> On Jul 6, 2013, at 11:16 AM, Esteban Lorenzano <esteba...@gmail.com>
>> wrote:
>>
>> > sure :)
>> >
>> > I will add a blog post on "voyage advanced queries" too :)
>>
>> too if you want but we could also focus on the chapter because we can be
>> multiple people to edit it
>> while your blog you are alone.
>>
>> Stef
>>
>> >
>> > Esteban
>> >
>> > On Jul 6, 2013, at 10:52 AM, Stéphane Ducasse <
>> stephane.duca...@inria.fr> wrote:
>> >
>> >> esteban could you take some time to add this information to the Voyage
>> chapter?
>> >>
>> >> https://ci.inria.fr/pharo-contribution/job/PharoForTheEnterprise/
>> >>
>> >> add the information in any format and I can make it run.
>> >>
>> >>
>> https://github.com/SquareBracketAssociates/PharoForTheEnterprise-english
>> >>
>> >> Stef
>> >>
>> >>
>> >>
>> >> On Jul 4, 2013, at 7:49 PM, Esteban Lorenzano <esteba...@gmail.com>
>> wrote:
>> >>
>> >>> you have different constructions:
>> >>>
>> >>> { $gt: { "number_field": 42 } }
>> >>>
>> >>> and so on... always with dictionaries (bah, json structs).
>> >>>
>> >>> as a query language it kinda sucks... but well... is how it is :)
>> >>>
>> >>> On Jul 4, 2013, at 7:34 PM, Stéphane Ducasse <
>> stephane.duca...@inria.fr> wrote:
>> >>>
>> >>>> Ok but how do I map conceptual a query to a dictionary
>> >>>>
>> >>>> Do I guess right that there is an exact match
>> >>>>
>> >>>> selectOne: { id -> 10} asDictionary
>> >>>>
>> >>>> will match id = 10
>> >>>>
>> >>>> Now we can only do exact mathc?
>> >>>>
>> >>>> name matches: 'stef*'
>> >>>>
>> >>>>
>> >>>> On Jul 4, 2013, at 6:04 PM, Esteban A. Maringolo <
>> emaring...@gmail.com> wrote:
>> >>>>
>> >>>>> Stef,
>> >>>>>
>> >>>>> You're asking the other Esteban, but having used Voyage and Mongo I
>> >>>>> think I can answer this.
>> >>>>>
>> >>>>> Mongo receives a JSON object to do all the query filtering. For a
>> >>>>> simple lookup it is has a simple structre, as the query gets more
>> >>>>> complex it gets esoteric as well (with "special" MongoDB keys in the
>> >>>>> format of "$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.
>
--
Bernat Romagosa.
