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Re: Using preceding-sibling on xsl:variable

From: "Alex Shirshov" <nomail@----.-->
To: NULL
Date: 4/9/2004 10:57:00 AM
Hello, Scott!
You wrote  on Thu, 08 Apr 2004 23:53:54 GMT:

 S> It does seem to center on the:

 S> <xsl:for-each select="//DataRow[@CLIENT_ID =
 S> current()/@CLIENT_ID][not(@SSN = preceding-sibling::DataRow[@CLIENT_ID =
 S>  current()/@CLIENT_ID]/@SSN)]">

 S> statement,  but I have no idea what this is doing.
 S> What does [][] do?? Is this an "AND"??

No.
Here is the steps.
1. //DataRow[@CLIENT_ID = current()/@CLIENT_ID] - selects all datarows with
the client_id attribute equals to client_id attribute of the current
datarow.

2. The second predicate - [not(@SSN = preceding-sibling::DataRow[@CLIENT_ID
=
 S>  current()/@CLIENT_ID]/@SSN)] - applay group filtering by @SSN. It can
be rewritten as

[not(@SSN = all-preceding-sibling-DataRows-with-the-same-client-id/@SSN)]


[Sorry, skipped]


With best regards, Alex Shirshov.

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