| |
sort
Sort a node set by the specified sort keys.
Function Summary
|
| minimal arguments |
NodeSet sort (XPath expression, String sortKey)
|
| all arguments |
NodeSet sort (XPath expression, String sortKey, String sortKey2, ...)
|
Required Arguments
|
|
XPath expression
|
an XPath expression identifying the nodes to sort |
|
String sortKey
|
a quoted String containing an XPath expression for a sort key.
The XPath expression is evaluated relative to each node in the node set being sorted.
Optionally, the string my be suffixed with ::ascending or ::descending to
indicate sort direction. The default sort direction is ascending. |
Optional arguments
|
|
String sortKeyN
|
a secondary sort key should previous keys have resulted in equality.
Format rules are as with sorkKey. |
Example
|
sort(/phonebook/entry, '@lastName')
returns a node set of phone book entries sorted by lastName
sort(/phonebook/entry, 'substring(@lastName, 1, 1)::descending', @firstName::ascending)
returns a node set of phone book entries sorted in reverse order by the first letter of lastName
and, within each letter, alphabetically by firstName
|
© Copyright IBM Corporation 2000,
2008. All Rights Reserved.
|
|
