Hi Geert,
It's really a helpful information .But , in my case lot of restrictions are
there .
1. The search:search function directly called in XQuery code[ not by REST
api] with all search criteria mentioned in advanced Query part of options
section
Like search:search("",$options,$start,$count)
2. Property elements are not range indexed - especially needed for facets
.
3. But, no other alternative options available like fragment-scope kind
of things in ML4.2.
Need to implement totally 10 faceted elements . If custom constrain is the only
option then - need to write lot of extra code to achieve the requirement . So,
based on above limitations ,still is it possible to achieve my clients
requirement Kindly suggest .
By
Raja >>>
From: [email protected]
[mailto:[email protected]] On Behalf Of Geert Josten
Sent: Friday, January 08, 2016 6:03 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Hi Raja,
The parse/parse-structured are called when you have a search string that
contains a prefix that refers to your custom constraint. So if you have a
constraint name 'foo', and you search for "foo:bar", parse is used to convert
foo:bar into an actual query to constrain search results. Whether the library
will call parse or parse-structured, that depends on how you use the search
library. REST api always triggers parse-structured, a direct call to
search:search triggers parse if I am not mistaken. If you are using REST api,
you shouldn't need the parse, just refer to parse-structured.
Start-facet is executed in parallel if I am not mistaken, so it should run
across the cluster. The finish-facet gathers the results, and just converts the
results from lexicon lookups into xml that is included in the search response.
The example from the docs already includes a finish-facet, and I thought you
don't need to change it, or maybe only limited.
Kind regards,
Geert
From:
<[email protected]<mailto:[email protected]>>
on behalf of
"[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Reply-To: MarkLogic Developer Discussion
<[email protected]<mailto:[email protected]>>
Date: Friday, January 8, 2016 at 1:19 PM
To: "[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Hi Geert ,
Thanks for the quick reply , what about the parse and finish-facet parts . Am
really confused about this custom constraints . If possible kindly give me some
sample code for properties.
By
Raja >>>
From:
[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Geert Josten
Sent: Friday, January 08, 2016 5:30 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Hi Raja,
Yes, I think so, provided custom constraints were supported in that version.
Here an example:
http://docs.marklogic.com/guide/search-dev/search-api#id_66428
It makes uses of geospatial lexicon 'values' (boxes), but just replace
cts:element-pair-geospatial-boxes in start-facet with cts:element-values (with
a properties options), and you should be pretty close to what you are looking
for. Then for the actual searching, you need to change parse-structured to
return a cts:element-range-query..
Kind regards,
Geert
From:
<[email protected]<mailto:[email protected]>>
on behalf of
"[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Reply-To: MarkLogic Developer Discussion
<[email protected]<mailto:[email protected]>>
Date: Friday, January 8, 2016 at 12:50 PM
To: "[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Hi Geert,
Am aware about that fragment-scope option in search constraints ,but it's
available from ML 5 onwards . So, no luck from that. Is that possible to use
custom constraint to achieve my requirement .
By
Raja >>>
From:[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Geert Josten
Sent: Friday, January 08, 2016 3:29 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Hi Raja,
If I am not mistaken, ML 4.2 supports the search API, with functions like
search:search and such. You can define search constraints in your search
options, and provide a fragment-scope in them. You can provide that on
top-level, like shown here:
http://docs.marklogic.com/guide/search-dev/appendixa#id_92359, but also within
constraints, either directly below the constraint element, or within the range
element.
I am not sure whether fragment-scope was supported in the early version of
Search API in 4.2 as it was still pretty new back then, but that is how you
would do it with MarkLogic 8.
Kind regards,
Geert
From:
<[email protected]<mailto:[email protected]>>
on behalf of
"[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Reply-To: MarkLogic Developer Discussion
<[email protected]<mailto:[email protected]>>
Date: Friday, January 8, 2016 at 9:32 AM
To: "[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Hi Justin,
Thanks for the reply mail . Yes we are using ML4.2 version but, we are
preparing the migration from 4.2 to latest 8.* version very soon.
But, right now - we don't have any document content change plan- so I need
to implement the expected facet on properties files. Am really clueless about
this custom constraint on properties for facets.
So, are you saying - value constraint can help to create facets on properties
. Here "envelop original content and properties" meant - am I want to save both
in single XML file. Could you please give little more points about this
implementation .
Or if that is not possible with existing content and properties in ML4.2 then
what is the alternative method for the same . Kindly appreciate your timely
support .
By
Raja >>>
From:[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Justin Makeig
Sent: Thursday, January 07, 2016 11:20 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Facets on properties in ML4.2
Are you really running MarkLogic 4.2? This is ancient. You should plan to
upgrade as soon as feasible. It will be very difficult for the community or
MarkLogic Support to assist you with this version. The most recent version is
8.0-4.
It is possible to facet on properties. cts:values has an option that allows you
include values from properties fragments. (Or cts:element-values in 4.2.)
However, in general, I'd advise against properties fragments. Because they are
separate from document fragments, properties require extra work to join at
query time. If you don't want to change/enrich your actual document content you
can use an envelope to "wrap" your documents:
<my:envelope xmlns:my="...">
<my:meta>...</my:meta><!-- <-- properties go here -->
<my:body>...</my:body><!-- <-- organically document contents goes here -->
</my:envelope>
This has the advantage of segregating the metadata (properties) and data, but
also colocates them in the same fragment, reducing the work that queries will
have to do.
Justin
On Jan 7, 2016, at 1:35 AM,
[email protected]<mailto:[email protected]> wrote:
Hi Team,
We are trying to implement facets from various property elements in ML4.2
version . Is that possible. Like
Search term : "sample" present in content body
Facets : on some properties like : author, geography etc. from document
properties . Kindly appreciate if have some sample custom constraint or similar
options
By
Raja >>>
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