Hi, Tim,
I've always had great results using simply the empty sequence. I'd be
interested to know if there is any advantage to using cts:query(()).
Also, since this is not reflected in your example, just in case, I'd
like to suggest modularizing it a bit, for far easier reading and
maintenance--After initializing your variables with a series of a let
assignments, create a combined cts:query by calling other functions,
like so:
let $combined-query := cts:and-query((
if ($foo) then search:qry1(...) else (),
if ($bar) then search:qry2(...) else (),
...
))
The search:qry* functions would return a cts:query type -- basically
breaking down each field or fieldset of your form, or some other
logical grouping, into separate functions. Then call
cts:search(input(), cts:combined-query)
Best,
On Jun 1, 2009, at 3:02 PM, Tim Meagher wrote:
Hi Folks,
Is there a preferred way to build a series of cts:search constructor
functions when using conditional (and/or) logic? In the following
example I insert a cts:query() if an value is blank, in the other I
insert an empty sequence:
cts:search(
//Record,
cts:and-query ((
if ($publisher ne "") then
cts:element-value-query(xs:QName("Publisher"), $publisher,
("case-insensitive", "diacritic-insensitive", "punctuation-
insensitive")
)
else cts:query(),
if ($title ne "") then
cts:element-value-query(xs:QName("Title"), $title,
("case-insensitive", "diacritic-insensitive", "punctuation-
insensitive")
)
else ()
))
)
Is there a rule for using cts:query() or the empty sequence () for
dynamically building cts:search constructors?
Thanks again,
Tim
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