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Document pg_pconnect. Make fix similar to jsgoupil's but in pg_send_query.
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@189848 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Christopher Kings-Lynne
parent
25e6912929
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20f0b907b9
2 changed files with 86 additions and 7 deletions
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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.7 $ -->
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<!-- $Revision: 1.8 $ -->
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<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.82 -->
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<refentry id="function.pg-pconnect">
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<refnamediv>
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needed by other PostgreSQL functions.
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</para>
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<para>
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For a description of the <parameter>connection_string</parameter>
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parameter, see <function>pg_connect</function>.
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If a second call is made to <function>pg_pconnect</function> with
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the same <parameter>connection_string</parameter> as an existing connection, the
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existing connection will be returned unless you pass
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<constant>PGSQL_CONNECT_FORCE_NEW</constant> as
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<parameter>connect_type</parameter>.
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</para>
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<para>
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To enable persistent connection, the <link
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@ -40,6 +43,82 @@
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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>connection_string</parameter></term>
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<listitem>
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<para>
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The <parameter>connection_string</parameter> can be empty to use all default parameters, or it
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can contain one or more parameter settings separated by whitespace.
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Each parameter setting is in the form <literal>keyword = value</literal>. Spaces around
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the equal sign are optional. To write an empty value or a value
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containing spaces, surround it with single quotes, e.g., <literal>keyword =
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'a value'</literal>. Single quotes and backslashes within the value must be
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escaped with a backslash, i.e., \' and \\.
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</para>
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<para>
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The currently recognized parameter keywords are:
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<parameter>host</parameter>, <parameter>hostaddr</parameter>, <parameter>port</parameter>,
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<parameter>dbname</parameter>, <parameter>user</parameter>,
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<parameter>password</parameter>, <parameter>connect_timeout</parameter>,
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<parameter>options</parameter>, <parameter>tty</parameter> (ignored), <parameter>sslmode</parameter>,
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<parameter>requiressl</parameter> (deprecated in favor of <parameter>sslmode</parameter>), and
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<parameter>service</parameter>. Which of these arguments exist depends
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on your PostgreSQL version.
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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>connect_type</parameter></term>
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<listitem>
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<para>
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If <constant>PGSQL_CONNECT_FORCE_NEW</constant> is passed, then a new connection
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is created, even if the <parameter>connection_string</parameter> is identical to
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an existing connection.
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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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PostgreSQL connection resource on success, &false; on failure.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Using <function>pg_pconnect</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$dbconn = pg_pconnect("dbname=mary");
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//connect to a database named "mary"
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$dbconn2 = pg_pconnect("host=localhost port=5432 dbname=mary");
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// connect to a database named "mary" on "localhost" at port "5432"
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$dbconn3 = pg_pconnect("host=sheep port=5432 dbname=mary user=lamb password=foo");
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//connect to a database named "mary" on the host "sheep" with a username and password
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$conn_string = "host=sheep port=5432 dbname=test user=lamb password=bar";
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$dbconn4 = pg_pconnect($conn_string);
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//connect to a database named "test" on the host "sheep" with a username and password
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?>
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]]>
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</programlisting>
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</example>
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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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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.11 $ -->
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<!-- $Revision: 1.12 $ -->
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<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.2 -->
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<refentry id='function.pg-send-query'>
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<refnamediv>
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echo "$res1 has $rows1 records\n\n";
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$res2 = pg_get_result($dbconn);
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echo "second call to pg_get_result(): $res2\n";
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echo "Second call to pg_get_result(): $res2\n";
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$rows2 = pg_num_rows($res2);
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echo "$res2 has $rows2 records\n";
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?>
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&example.outputs;
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<screen>
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<![CDATA[
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first call to pg_get_result(): Resource id #3
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First call to pg_get_result(): Resource id #3
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Resource id #3 has 3 records
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second call to pg_get_result(): Resource id #4
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Second call to pg_get_result(): Resource id #4
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Resource id #4 has 1 records
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]]>
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</screen>
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