XML Guide

10.5
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- 10.5.6
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XPath Query Predicate Rules and Guidelines

Use the following rules and guidelines when you create an XPath query predicate:

You can configure an XPath query predicate for any element in a view row.

For example, if a view row is Company/Dept, you can create the following XPath query predicate:

COMPANY[./DEPT=100]

You can match content.

You can add an XPath query predicate to a column if the column occurs below the view row in the view XML hierarchy and the column XPath includes the view row.

For example, if the view row is Product/Toys[1], you can create the following XPath query predicate:

Product/Toys[1][./Sales > 100]

The following example shows an invalid XPath query predicate for the Product/Toys[1] view row:

Product/Toys[2][./Sales > 100]

Product/Toys[1] is the view row. You cannot use Product/Toys[2].

Use a single-occurring element or attribute. You cannot create an XPath query predicate on a multiple-occurring element.

You cannot create an XPath predicate query on an enclosure element because an enclosure element contains no values.

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XML Guide

XML Guide

XPath Query Predicate Rules and Guidelines

XPath Query Predicate Rules and Guidelines