Kelly,
Hope you saw my other response to you and Geert and others. It worked!
Thanks much for the good explanation on document order. It cleared
things up!
Randy
On 5/11/2011 12:05 PM, Kelly Stirman wrote:
> Hi Randy,
>
> Index-of will return you the position of an item in a sequence.
>
> Your position predicate, on the other hand, refers to the position with
> respect to document order. So, considering the following:
>
> let $doc :=
> <doc>
> <foo>
> <value>cat</value>
> <value>dog</value>
> </foo>
> <bar>
> <value>cat</value>
> <value>dog</value>
> </bar>
> </doc>
> return
> xdmp:path($doc//value)
> -->
> /doc/foo/value[1]
> /doc/foo/value[2]
> /doc/bar/value[1]
> /doc/bar/value[2]
>
> That hopefully clears up why your code wasn't doing what you were hoping it
> would do.
>
> You could filter for only the 5 values you want by doing something like:
>
> for $match in
> $song-doc//ts:Value[cts:contains(.,("cat","dog","mouse","aye-aye","elephant"))]
> return<div class="abc">Interesting Match: {$match/text()}</div>
>
> Any closer?
>
> Kelly
>
> Message: 2
> Date: Wed, 11 May 2011 11:41:11 -0500
> From: Randy Smith<[email protected]>
> Subject: Re: [MarkLogic Dev General] How To Get The "Content" of An
> Index?
> To: General MarkLogic Developer Discussion
> <[email protected]>
> Message-ID:<[email protected]>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Geert& Others,
> Thanks for the input!
> I thought maybe you had given me the solution but still having problems.
>
> *The situation is like this:*
> 1. I'm new to these murky waters. :-)
> 2. I'm thinking this is generally a straight forward problem except for the
> following wrinkle that I was trying to solve without a serious code
> rewrite:
> 3. I have ~20,000 documents where almost all have unique element names that
> are great for faceting like e.g. "ResponsibleParty", "Date", etc...
> I set up my range indexes for them and things work great.
> However, one of the elements I'm interested in i.e. "Value" can appear
> up to ~1500+ times in a single document and have *_different _*content *_each
> time_*. Turns out I am only interested in about 5 possible content
> (character strings) that appear in the element "Value".
>
> 4. I use:
> *{if { fn:contains(fn:string-join(($song-doc//ts:Value), "" , "", "Cat"))
>
> then /<div class="abc"> Value Cat: {
> /fn:string-join(($song-doc//ts:Value), "" , ""/</div>/**
> else()}*
>
>
> to determine if "cat" is present in any of the 1500 content values and if it
> is, display them. *This works great except it outputs _all_of them to the
> browser*. ??
>
> I can also find the position in "Value" were "cat" is found using
>
> {if {$song-doc//ts:Value[.= 'Cat'])
> then let $x := fn:index-of ($song-doc//ts:Value, 'Cat')
>
> But when I us the index (i.e. $x) and add this:
>
> /return/
>
> /{<div class="abc"> Content of "Value" at "cat" + 1 =
> {//$song-doc//ts:Value[position() =($x + 1)]}</div>/}
>
>
> this does not work. It returns nothing.
> I found out today when trying different things that if I put the integer
> "1" in place of ($x+1) it, again, returns ALL of the "Value" strings.
> However, anything other than "1" returns nothing. ???? Not sure why.
>
>
> 5. You can see I'm dancing around the solution but it still escapes me. :-)
> 6. Maybe you can't get there from here, but I seems close.
> 7. The suggestion to create an "document" just for the content of
> "Value" sounds good, but I do not know how to proceed to do that given
> my newness.
> 8. I also thought about filtering the "Value" element in the xml data as
> it comes in but we would like ALL of the data to be present for data mining.
> 9. I think I need council in the form of a teacher! :-)
>
>
>
>
> Again, thanks for the help,
> Randy
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