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From David Schwartz ...@arrayone.com>
Subject Re: Rotating tables? (slightly OT)
Date Tue, 10 Aug 2004 17:57:18 GMT
Oracle - You're in luck. Go to http://asktom.oracle.com & search for "crosstab
query".

Quoting Nic Werner <nic.werner@sonoma.edu>:

>> David Schwartz wrote:
>>
>> >>>is this possible/smart in JSTL
>> >>>
>> >>>
>> >
>> >May be possible but not smart.
>> >Should be returned by the database & just displayed by JSTL.
>> >You need a crosstab query. Which database are you using?
>> >
>> >
>>
>> I'm using Oracle. I've got a crosstab query going now, but what happens
>> is that I'm getting getting duplicate rows with one row having a null in
>> a certain field and the other with data in the field:
>>
>> select distinct
>> x.outlet_no,
>> building.name,
>> x.rm,
>> decode(b.color,NULL,' ',b.color),
>> decode(b.switchip,NULL,' ',b.switchip) BSWITCHIP,
>> decode(b.blade,NULL,' ',b.blade) BBLADE,
>> decode(b.port,NULL,' ',b.port) BPORT,
>> decode(b.vlan,NULL,' ',b.vlan)  BVLAN,
>> decode(o.color,NULL,' ',o.color) ,
>> decode(o.switchip,NULL,' ',o.switchip) OSWITCHIP,
>> decode(o.blade,NULL,' ',o.blade) OBLADE,
>> decode(o.port,NULL,' ',o.port) OPORT,
>> decode(o.vlan,NULL,' ',o.vlan) OVLAN,
>> decode(g.color,NULL,' ',g.color) ,
>> decode(g.switchip,NULL,' ',g.switchip) GSWITCHIP,
>> decode(g.blade,NULL,' ',g.blade) GBLADE,
>> decode(g.port,NULL,' ',g.port) GPORT,
>> decode(g.vlan,NULL,' ',g.vlan) GVLAN,
>> d.dn
>> from
>> building,
>> data b,
>> data o,
>> data g,
>> cablepair d,
>> new_outlet x
>> where x.outlet_no = b.outlet_no(+)
>> and x.outlet_no = o.outlet_no(+)
>> and x.outlet_no = g.outlet_no(+)
>> and x.id=d.cabl_pr(+)
>> and b.color(+) = 'B'
>> and o.color(+) = 'O'
>> and g.color(+) = 'G'
>> and x.buildid=building.id(+)
>>
>> This will give me outlets of three colors, but the phone (dn) from
>> 'cablepair' will cause duplicate rows. I guess the best way to eliminate
>> this is to union this query against itself for each color, which will be
>> clunky. Thanks for all your input!
>>
>> - Nic.
>>
>> >
>> >Quoting Helios Alonso <halonso@atg.com.uy>:
>> >
>> >
>> >
>> >>>I think he wants a table like this:
>> >>>
>> >>>+ John (in red)
>> >>>+ Mark (in blue)
>> >>>+ Nic (in green)
>> >>>+ Helios (in red)
>> >>>+ David (in blue)
>> >>>....
>> >>>
>> >>>If you have an array of 3 colors named colors (I dont know but, maybe
the
>> >>>set tag can build a mapping that works like an array...)
>> >>>
>> >>>Try this:
>> >>><!-- initialization -->
>> >>><c:set var="colorIndex" value="0"/>
>> >>><!-- loop -->
>> >>><tr>
>> >>><td bgcolor="${colors[colorIndex++%3]}" >
>> >>>
>> >>>In the expression you're coding the round robin (increment and modulus
3)
>> >>>and the selection of the color based on the index.
>> >>>
>> >>>But, I didn't try it.  I hope the modulus is a valid construction in
EL.
>> >>>
>> >>>At 11:05 04/08/2004 +0200, you wrote:
>> >>>
>> >>>
>> >>>>I'm not exactly sure what you mean with "rotate"?!
>> >>>>
>> >>>>Do you just have a collection that you want to iterate - with each
each
>> >>>>entry corresponding to a "row" in the table? Or shall every row display
>> a
>> >>>>different "column" of your table? It's hard to understand from your
>> >>>>
>> >>>>
>> >>>examples..
>> >>>
>> >>>
>> >>>>For displaying tabular data, you should check out the
>> displaytag-library:
>> >>>>http://displaytag.sourceforge.net/  - it has nothing  to with jstl,
but
>> >>>>gives you everything you will likely ever need for displaying tables...
>> >>>>
>> >>>>cheers
>> >>>>stf
>> >>>>
>> >>>>Nic Werner wrote:
>> >>>>
>> >>>>
>> >>>>>Greetings,
>> >>>>>   I have a table of data that I'd basically like to rotate,
is this
>> >>>>>possible/smart in JSTL?
>> >>>>>Basically, I have an attribute with three colors, each one is
a
>> >>>>>different row in a table.
>> >>>>>001 Blue data
>> >>>>>001 Green data
>> >>>>>002 Purple data
>> >>>>>I want to have one row:001 | Blue Data | Green Data | Purple
Data.
>> >>>>>Any suggestions? Please help by pointing me elsewhere if you
can....
>> >>>>>- Nic
>> >>>>>
>> >>>>>
>> >>>>>---------------------------------------------------------------------
>> >>>>>To unsubscribe, e-mail: taglibs-user-unsubscribe@jakarta.apache.org
>> >>>>>For additional commands, e-mail: taglibs-user-help@jakarta.apache.org
>> >>>>>
>> >>>>>
>> >>>>--
>> >>>>Stefan Frank
>> >>>>iBioS - Intelligent BioInformatics Systems
>> >>>>http://www.dkfz-heidelberg.de/ibios
>> >>>>DKFZ - German Cancer Research Center
>> >>>>Im Neuenheimer Feld 580
>> >>>>69120 Heidelberg
>> >>>>Tel.: +49 (0) 6221 42-3612
>> >>>>Mail: s.frank@dkfz-heidelberg.de
>> >>>>
>> >>>>
>> >>>>---------------------------------------------------------------------
>> >>>>To unsubscribe, e-mail: taglibs-user-unsubscribe@jakarta.apache.org
>> >>>>For additional commands, e-mail: taglibs-user-help@jakarta.apache.org
>> >>>>
>> >>>>
>> >>>
>> >>>---------------------------------------------------------------------
>> >>>To unsubscribe, e-mail: taglibs-user-unsubscribe@jakarta.apache.org
>> >>>For additional commands, e-mail: taglibs-user-help@jakarta.apache.org
>> >>>
>> >>>
>> >>>
>> >>>
>> >
>> >
>> >David Schwartz
>> >Array Software Inc.
>> >http://www.arrayone.com
>> >
>> >---------------------------------------------------------------------
>> >To unsubscribe, e-mail: taglibs-user-unsubscribe@jakarta.apache.org
>> >For additional commands, e-mail: taglibs-user-help@jakarta.apache.org
>> >
>> >
>> >
>>
>>
>> ---------------------------------------------------------------------
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>>
>>


David Schwartz
Array Software Inc.
http://www.arrayone.com

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