[OPEN-ILS-DEV] Different OSRF response format from different servers?

[Ken Cox]

Mike: +1 very helpful, thanks.  I will try it.

Jason: I prefer "artisinal code".  I started with an old OSRF Java library
made it work in the Android runtime.  If you want to dig deeper shoot on
over to
https://github.com/kenstir/hemlock/tree/master/opensrf/src/org/opensrf

On Thu, Jan 26, 2017 at 9:58 AM, Mike Rylander <mrylander at gmail.com> wrote:

> Ken,
>
> The open-ils.pcrud service is written in C. The attrs column on the
> view behind that is an hstore, which is a key-value data type
> available in Postgres.  What you're getting there is what is actually
> in the database.  You might want to use mraf
> (metabib.record_attr_flat) instead.
>
> HTH,
>
> --
> Mike Rylander
>  | President
>  | Equinox Software, Inc. / Open Your Library
>  | phone:  1-877-OPEN-ILS (673-6457)
>  | email:  miker at esilibrary.com
>  | web:  http://www.esilibrary.com
>
>
> On Thu, Jan 26, 2017 at 8:00 AM, Ken Cox <kenstir at gmail.com> wrote:
> > Thank you, that helps.  I implemented a generic string-or-int-to-integer
> > method, and will be on the lookout for other places where it might be
> > needed.  I guess it goes without saying that it feels a bit awkward to be
> > dealing with Perl vagaries when consuming the API from a different
> language.
> > (I'm looking at you, open-ils.pcrud.retrieve.mra, and your devilish
> > perlishness)
> >
> > Ken
> >
> > On Wed, Jan 25, 2017 at 12:21 PM, Mike Rylander <mrylander at gmail.com>
> wrote:
> >>
> >> Ken,
> >>
> >> Any time a variable is used as a string (or a number), perl starts
> >> treating it that way for stringification purposes.  As the code
> >> changes version to version, and even as different code paths are taken
> >> within one version depending on settings, perl may change the variable
> >> type.  Like Bill says, if you expect a number it's best to just use,
> >> say, parseInt() from JS or it's equiv.
> >>
> >> HTH,
> >>
> >> --
> >> Mike Rylander
> >>  | President
> >>  | Equinox Software, Inc. / Open Your Library
> >>  | phone:  1-877-OPEN-ILS (673-6457)
> >>  | email:  miker at esilibrary.com
> >>  | web:  http://www.esilibrary.com
> >>
> >>
> >> On Wed, Jan 25, 2017 at 10:38 AM, Bill Erickson <berickxx at gmail.com>
> >> wrote:
> >> > Hi Ken,
> >> >
> >> > I can't say why they vary in this specific case, but it's not uncommon
> >> > for
> >> > numbers to be packaged as JSON strings throughout Evergreen / OpenSRF.
> >> > Generally, Perl and JavaScript don't care and the OpenSRF JSON C
> library
> >> > is
> >> > well-equipped to handle it.  It's probably best to assume that any
> >> > number
> >> > might be delivered as a JSON number or a JSON string.
> >> >
> >> > -b
> >> >
> >> >
> >> >
> >> >
> >> > On Tue, Jan 24, 2017 at 5:03 PM, Ken Cox <kenstir at gmail.com> wrote:
> >> >>
> >> >> I have a bug report that searching the Missouri Evergreen catalog
> >> >> crashes
> >> >> the Android Hemlock App.  I tracked it down to different results from
> >> >> the
> >> >> open-ils.search.biblio.multiclass.query .  The server at
> >> >> issourievergreen.org returns an "ids" list containing integers, and
> the
> >> >> other servers I tried return an "ids" list containing strings.
> >> >>
> >> >> Is this expected?  Handling this one mismatch is straightforward, but
> >> >> I'm
> >> >> wondering how many similar issues lurk behind this one.
> >> >>
> >> >> Sample search queries and excerpted results for "pride and
> prejudice":
> >> >>
> >> >> missourievergreen, version 2-11-0
> >> >>
> >> >>
> >> >>
> >> >> https://missourievergreen.org/osrf-gateway-v1?service=open-
> ils.search&method=open-ils.search.biblio.multiclass.
> query&param=%7B%22org_unit%22:1,%22default_class%22:%
> 22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&
> param=%22pride%20and%20prejudice%22&param=1
> >> >> ...
> >> >> "ids":[[32673,null,"0.0"],[886843,null,"0.0"]]
> >> >>
> >> >> gapines, version 2-11-1
> >> >>
> >> >>
> >> >>
> >> >> https://gapines.org/osrf-gateway-v1?service=open-ils.
> search&method=open-ils.search.biblio.multiclass.query&param=
> %7B%22org_unit%22:1,%22default_class%22:%22keyword%
> 22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%
> 22pride%20and%20prejudice%22&param=1
> >> >> ...
> >> >> "ids":[["503610",null,"0.0"],["502717",null,"0.0"]]
> >> >>
> >> >> cwmars, version 2-10-7
> >> >>
> >> >>
> >> >>
> >> >> http://bark.cwmars.org/osrf-gateway-v1?service=open-ils.
> search&method=open-ils.search.biblio.multiclass.query&param=
> %7B%22org_unit%22:1,%22default_class%22:%22keyword%
> 22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%
> 22pride%20and%20prejudice%22&param=1
> >> >> ...
> >> >> "ids":[["1805532"],["2385399"]]
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> -Ken
> >> >
> >> >
> >
> >
> >
> >
> > --
> > -Ken
>



-- 
-Ken
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