sure :) I will add a blog post on "voyage advanced queries" too :)
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. >>>>> >>>>> >>>>> >>>> >>> >>> >> >> > >
