php-doc-en/reference/sdo/limitations.xml
Hannes Magnusson 56d2bc5bf7 MFB: Upgrade to the new-reference-structure
- (Created missing setup sections in setup.xml, if any)
 - Moved the intro to book.xml
 - Changed the intro ID from <extname>.intro to intro.<extname>
 - Moved the constants entity to book.xml
 - Changed constants.xml to be an appendix
 - Moved sdo.examples into its own chapter (examples.xml)
    NOTE: The orginal sdo.examples section ID was renamed to sdo.examples-basic
          Added title to the sdo.examples-basic section
 - Moved the requirements & installation sections to setup.xml
 - Moved sdo.limitations into its own chapter (limitations.xml)
NOTE: The partintro still containts the sdo.das.table section and the classlisting


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@249023 c90b9560-bf6c-de11-be94-00142212c4b1
2007-12-26 14:57:57 +00:00

73 lines
1.9 KiB
XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 1.2 $ -->
<chapter xml:id='sdo.limitations'>
<title>Limitations</title>
<procedure xml:id='sdo.limitations.implementation'>
<title>Implementation Limitations</title>
<para>
The following are limitations in the current SDO implementation:
</para>
<step>
<para>
There is no support for multi-byte character sets.
This will be considered, depending on community requirements,
in the Unicode-enabled version of PHP.
See <link linkend="ref.unicode">Unicode Functions</link>.
</para>
</step>
</procedure>
<procedure xml:id='sdo.limitations.sdo'>
<title>SDO Limitations</title>
<para>
The following SDO 2.0 concepts are not supported in the current
PHP implementation.
It is not necessarily the case that these will all be added over time.
Their inclusion will depend on community requirements.
</para>
<step>
<para>
Bi-directional relationships.
</para>
</step>
<step>
<para>
Type and property alias names.
</para>
</step>
<step>
<para>
Read-only properties.
</para>
</step>
<step>
<para>
The Helper classes defined in SDO 2.0 are not directly implemented.
However equivalent function is provided in a more natural way for PHP.
For example the function of <command>CopyHelper::copy()</command>
is provided by applying the PHP
<link linkend='language.oop5.cloning'>clone</link> keyword to a data object.
</para>
</step>
</procedure>
</chapter>
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