Name
is_after — Returns true if the given entity is after the second given entity in document order, otherwise returns false.
Synopsis
boolean is_after ( |
ent1 entity , |
ent2 entity ); |
Description
The function ensures that both ent1 and ent2 are XML entities and the returns
true if ent1 and ent2 are both in the same XML
document and ent1 is
strictly after ent2 in
document order. It returns false if one of them is not an entity
but an empty node-set or if their documents differ or or if they're
equal or if one of them is an ancestor of other or if ent1 is simply before ent2 in document order.
Parameters
ent1
An XML entity or an node-set whose first node is compared.
ent2
An XML entity or an node-set whose first node is compared.
Return Types
Boolean
Errors
Table24.145.Errors signalled by is_after()
| SQLState | Error Code | Error Text | Description |
|---|---|---|---|
| XP001 | XPFB0 | First argument of XPATH function is-before() or is-after() must be XML entity | The value that is neither an XML entity nor an empty node-set may not be compared using document order. |
| XP001 | XPFB1 | Second argument of XPATH function is-before() or is-after() must be XML entity | The value that is neither an XML entity nor an empty node-set may not be compared using document order. |
Examples
Example24.594.
Find all chapters that have title after table of content
/book/chapter[is-after(toc,title)]