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-Original Message-
From: general-boun...@developer.marklogic.com
[mailto:general-boun...@developer.marklogic.com] On Behalf Of Michael Blakeley
Sent: Friday, April 13, 2012 3:51 PM
To: MarkLogic
Hi
I'm trying to convert a query to use cts for performance. Is there a cts
constructor that I can use the check a variable?
Here's a portion of the query:
xdmp:directory('/db/netvisn/audit_history/','infinity')
/nv:auditHistory
The quick answer is something like:
if ($oc) then () else cts:element-value-query(xs:QName(nv:objectClass), $oc)
When $oc is empty, there is no need to include that query term at all. So it
can be empty too.
However, the long answer is that converting an XPath expression to cts:query
won't
Only add the cts:element-value-query() to your cts:query object if
$effect eq 'spec'. In other words, do the comparison outside the
cts:query, and build a different cts:query depending on the value of the
variables.
John
On 16/04/12 16:21, Gary Larsen wrote:
Hi
I’m trying to convert a
I'm worried about scalability in a large database and other xquery
conversions have really increased performance.
What I'm trying now is to build the cts query string dynamically where I can
use 'if then else' to add the necessary cts syntax, and then do xdmp:eval()
on the string in cts:search.
Unless I'm missing something, you shouldn't need the eval. Constructors for
cts:query are already fully composable. See the if-then-else expression that I
outlined below.
-- Mike
On 16 Apr 2012, at 09:04 , Gary Larsen wrote:
I'm worried about scalability in a large database and other xquery
I think it's sinking in! Thanks for your help.
Gary
-Original Message-
From: general-boun...@developer.marklogic.com
[mailto:general-boun...@developer.marklogic.com] On Behalf Of Michael
Blakeley
Sent: Monday, April 16, 2012 12:19 PM
To: MarkLogic Developer Discussion
Subject: Re:
Is it possible to use date functions in combination with any cts query
constructors? For example:
xs:date(xs:dateTime(nv:timestamp)) eq fn:current-date()]
fn:days-from-duration(fn:current-date() -
xs:date(xs:dateTime(nv:timestamp))) le 3]
Thanks,
Gary
Hi Gary,
I guess it is easiest to calculate date ranges for that. The first would
match timestamps between
xs:dateTime(fn:concat(fn:current-date(),”T00:00:00Z”)) and
xs:dateTime(fn:concat(fn:current-date() +
xs:dayTimeDuration(“P1D”),”T00:00:00Z”)). You can use a cts:and-query on
two
Another way of looking this is that *any* single value used in a cts query
just like any expression can be computed instead of constant, but realize the
computation of the expression is done at the time the cts expression is
composed, not when its run. Think of creating a cts query expression
Is there a way to specify “ordered”?
I see: joiner strength=30 apply=near2 consume=2
element=cts:near-queryNEAR//joiner”
And “near2”s implementation… So, would I actually have to add a similar block
if I wanted to get “ordered” to happen?
From: general-boun...@developer.marklogic.com
I believe you can add options=ordered to the joiner element here.
-m
On Apr 16, 2012, at 12:14 PM, Steiner, David J. (LNG-DAY) wrote:
Is there a way to specify “ordered”?
I see: joiner strength=30 apply=near2 consume=2
element=cts:near-queryNEAR//joiner”
And “near2”s implementation… So,
Appears to work!!! Thanks!!!
From: general-boun...@developer.marklogic.com
[mailto:general-boun...@developer.marklogic.com] On Behalf Of Micah Dubinko
Sent: Monday, April 16, 2012 3:35 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] How to use near query in
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