mirror of
https://github.com/sigmasternchen/php-doc-en
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fe1f9315c8
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@340045 c90b9560-bf6c-de11-be94-00142212c4b1
135 lines
4 KiB
XML
135 lines
4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.sybase-pconnect">
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<refnamediv>
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<refname>sybase_pconnect</refname>
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<refpurpose>Open persistent Sybase connection</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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&warn.removed.function-7-0-0;
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</refsynopsisdiv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>resource</type><methodname>sybase_pconnect</methodname>
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<methodparam choice="opt"><type>string</type><parameter>servername</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>username</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>password</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>charset</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>appname</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>sybase_pconnect</function> acts very much like
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<function>sybase_connect</function> with two major differences.
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</para>
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<para>
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First, when connecting, the function would first try to find a
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(persistent) link that's already open with the same host,
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username and password. If one is found, an identifier for it
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will be returned instead of opening a new connection.
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</para>
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<para>
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Second, the connection to the SQL server will not be closed when
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the execution of the script ends. Instead, the link will remain
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open for future use (<function>sybase_close</function> will not
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close links established by <function>sybase_pconnect</function>).
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</para>
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<para>
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This type of links is therefore called 'persistent'.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>servername</parameter></term>
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<listitem>
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<para>
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The servername argument has to be a valid servername that is defined
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in the 'interfaces' file.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>username</parameter></term>
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<listitem>
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<para>
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Sybase user name
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>password</parameter></term>
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<listitem>
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<para>
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Password associated with <parameter>username</parameter>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>charset</parameter></term>
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<listitem>
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<para>
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Specifies the charset for the connection
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>appname</parameter></term>
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<listitem>
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<para>
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Specifies an <literal>appname</literal> for the Sybase connection.
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This allow you to make separate connections in the same script to the
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same database. This may come handy when you have started a transaction
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in your current connection, and you need to be able to do a separate
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query which cannot be performed inside this transaction.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns a positive Sybase persistent link identifier on success, or
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&false; on error.
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>sybase_connect</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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