Subject: Re: [xsl] Grouping and filtering From: subbu@xxxxxxxxxxxx Date: Wed, 07 Aug 2002 12:44:19 +0100 |
Hello People, I am stuck up with a problem.. i have an xml file which looks like below. <?xml version="1.0"?> <students> <student id = "101"> <name>A</name> <address>XXX</address> </student> <student id = "201"> <name>B</name> <address>YYY</address> </student> <student id = "301"> <name>C</name> <address>XXX</address> </student> <student id = "401"> <name>E</name> <address>YYY<address> </student> </students> And i have to deliver a CSV file that has the following fields. Student-id , SequenceNumber , name, address. Sequence number is an automatically generated number ( should start from 1 to end of Students ).. so a typical CSV FIle would be.. 101,1,A,XXX 102,2,B,YYY 103,3,C,XXX 104,4,D,YYY .. Now There is a business rule that says that if a student has an address value that is equal to 'YYY', then show the complete information *line* twice, with only the sequence number changed.. That is 101,1,A,XXX 102,2,B,YYY 102,3,B,YYY<-- repeated again with sequence number changed 103,4,C,XXX 104,5,D,YYY 104,6,D,YYY<-- repeated again with sequence number changed I am using the position() function to get the serial number..This is where the problem starts.. If i put a condition that if address == 'YYY' ( just pseudo code. dont mind the syntax ) { value-of-select --> @id,position(),name,address @id,position()+1,name,address } else { value-of-select --> @id,position(),name,address } I end up getting something like this 101,1,A,XXX 102,2,B,YYY 102,3,B,YYY<-- repeated again with sequence number changed 103,3,C,XXX<-- same sequence number repeated... That is the position .. 104,4,D,YYY 104,5,D,YYY<-- repeated again with sequence number changed and what i want should look like 101,1,A,XXX 102,2,B,YYY 102,3,B,YYY<-- repeated again with sequence number changed 103,4,C,XXX 104,5,D,YYY 104,6,D,YYY<-- repeated again with sequence number changed so the requirement tells, if you find address equal to 'YYY', then add it show it once more with a sequence number -> prev-seq-num +1 and then every subsequent sequence number should be consequitive. The sequence number is a unique number ( from 1 to End of students ). I can not think of a way to do this.This looks totally like a dead end to me. I shall be highly thankful if some one can please help me out of this situation... Please let me know if i am missing out any information that would make the question clearer.. Thanks a ton!! -------------------------------------------------------------- Sent with "Me-Mail", Boltblue's FREE mobile messaging service. http://www.boltblue.com XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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