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Document db2_set_option() (based on a draft by Kitman Cheung)
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@220969 c90b9560-bf6c-de11-be94-00142212c4b1
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Dan Scott
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677
reference/ibm_db2/functions/db2-set-option.xml
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677
reference/ibm_db2/functions/db2-set-option.xml
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.1 $ -->
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<refentry id="function.db2-set-option">
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<refnamediv>
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<refname>db2_set_option</refname>
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<refpurpose>Set options for connection or statement resources</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<!-- All Functions have this -->
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<type>bool</type><methodname>db2_set_option</methodname>
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<!-- Required Parameter (First Param) -->
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<methodparam><type>resource</type><parameter>resource</parameter></methodparam>
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<!-- Required Parameter (Second Param) -->
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<methodparam><type>array</type><parameter>options</parameter></methodparam>
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<!-- Optional Parameter (Third Param) -->
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<methodparam choice="opt"><type>int</type><parameter>type</parameter></methodparam>
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</methodsynopsis>
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<para>
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Sets options for a statement resource or a connection resource. You
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cannot set options for result set resources.
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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>resource</parameter></term>
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<listitem>
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<para>
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A valid statement resource as returned from
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<function>db2_prepare</function> or a valid connection resource as
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returned from <function>db2_connect</function> or
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<function>db2_pconnect</function>.
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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>options</parameter></term>
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<listitem>
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<para>
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An associative array containing valid statement or connection
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options. This parameter can be used to change autocommit values,
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cursor types (scrollable or forward), and to specify the case of
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the column names (lower, upper, or natural) that will appear in a
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result set.
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<variablelist>
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<varlistentry>
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<term><parameter>autocommit</parameter></term>
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<listitem>
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<para>
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Passing <literal>DB2_AUTOCOMMIT_ON</literal> turns
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autocommit on for the specified connection resource.
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</para>
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<para>
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Passing <literal>DB2_AUTOCOMMIT_OFF</literal> turns
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autocommit off for the specified connection resource.
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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>cursor</parameter></term>
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<listitem>
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<para>
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Passing <literal>DB2_FORWARD_ONLY</literal> specifies a
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forward-only cursor for a statement resource. This is the
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default cursor type, and is supported by all database
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servers.
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</para>
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<para>
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Passing <literal>DB2_SCROLLABLE</literal> specifies a
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scrollable cursor for a statement resource. Scrollable
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cursors enable result set rows to be accessed in
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non-sequential order, but are only supported by
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IBM DB2 Universal Database databases.
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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>binmode</parameter></term>
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<listitem>
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<para>
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Passing <literal>DB2_BINARY</literal> specifies that
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binary data will be returned as is. This is the default
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mode. This is the equivalent of setting
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<literal>ibm_db2.binmode=1</literal> in &php.ini;.
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</para>
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<para>
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Passing <literal>DB2_CONVERT</literal> specifies that
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binary data will be converted to hexadecimal encoding,
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and will be returned as such. This is the equivalent of
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setting <literal>ibm_db2.binmode=2</literal> in &php.ini;.
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</para>
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<para>
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Passing <literal>DB2_PASSTHRU</literal> specifies that
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binary data will be converted to &null;. This is the
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equivalent of setting <literal>ibm_db2.binmode=3</literal>
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in &php.ini;.
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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>db2_attr_case</parameter></term>
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<listitem>
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<para>
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Passing <literal>DB2_CASE_LOWER</literal> specifies that
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column names of the result set are returned in lower case.
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</para>
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<para>
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Passing <literal>DB2_CASE_UPPER</literal> specifies that
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column names of the result set are returned in upper case.
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</para>
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<para>
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Passing <literal>DB2_CASE_NATURAL</literal> specifies that
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column names of the result set are returned in natural
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case.
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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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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>type</parameter></term>
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<listitem>
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<para>
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An integer value that specifies the type of resource that was
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passed into the function. The type of resource and this value
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must correspond.
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<variablelist>
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<varlistentry>
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<term><parameter></parameter></term>
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<listitem>
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<para>
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Passing <literal>1</literal> as the value specifies that
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a connection resource has been passed into the function.
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</para>
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<para>
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Passing any integer not equal to <literal>1</literal> as
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the value specifies that a statement resource has been
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passed into the function.
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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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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>
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</para>
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<para>
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The following table specifies which options are compatible with
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the available resource types:
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<table>
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<title>Resource-Parameter Matrix</title>
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<tgroup cols="5">
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<colspec colnum="1" colname="col1" align="center" />
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<colspec colnum="2" colname="col2" align="center" />
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<colspec colnum="3" colname="col3" align="center" />
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<colspec colnum="4" colname="col4" align="center" />
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<colspec colnum="5" colname="col5" align="center" />
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<thead>
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<row>
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<entry morerows="1">Key</entry>
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<entry morerows="1">Value</entry>
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<entry namest="col3" nameend="col5">Resource Type</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry colname="col3">Connection</entry>
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<entry colname="col4">Statement</entry>
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<entry colname="col5">Result Set</entry>
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</row>
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<row>
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<entry>autocommit</entry>
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<entry><literal>DB2_AUTOCOMMIT_ON</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">-</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>autocommit</entry>
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<entry><literal>DB2_AUTOCOMMIT_OFF</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">-</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>cursor</entry>
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<entry><literal>DB2_SCROLLABLE</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>cursor</entry>
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<entry><literal>DB2_FORWARD_ONLY</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>binmode</entry>
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<entry><literal>DB2_BINARY</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>binmode</entry>
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<entry><literal>DB2_CONVERT</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>binmode</entry>
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<entry><literal>DB2_PASSTHRU</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>db2_attr_case</entry>
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<entry><literal>DB2_CASE_LOWER</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>db2_attr_case</entry>
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<entry><literal>DB2_CASE_UPPER</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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<row>
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<entry>db2_attr_case</entry>
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<entry><literal>DB2_CASE_NATURAL</literal></entry>
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<entry colname="col3">X</entry>
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<entry colname="col4">X</entry>
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<entry colname="col5">-</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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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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&return.success;
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</para>
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</refsect1>
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<!-- Place Changelog next if any -->
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<!-- Place Examples next if any -->
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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>Setting one parameter with a connection resource</title>
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<para>
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</para>
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<programlisting role="php">
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<![CDATA[
|
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<?php
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/* Database Connection Parameters */
|
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$database = 'SAMPLE';
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$hostname = 'localhost';
|
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$port = 50000;
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$protocol = 'TCPIP';
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$username = 'db2inst1';
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$password = 'ibmdb2';
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/* Connection String */
|
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$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
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$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
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$conn_string .= "UID=$username;PWD=$password;";
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/* Obtain Connection Resource */
|
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$conn = db2_connect($conn_string, '', '');
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/* Create the associative options array with valid key-value pairs */
|
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$options = array('autocommit' => DB2_AUTOCOMMIT_ON);
|
||||
|
||||
/* Call the function using the correct resource, options array, and type values */
|
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$result = db2_set_option($conn, $options, 1);
|
||||
|
||||
/* Check if all options could be set correctly */
|
||||
if($result)
|
||||
{
|
||||
echo 'Options Set Successfully';
|
||||
}
|
||||
else
|
||||
{
|
||||
echo 'Could Not Set Options';
|
||||
}
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Options Set Successfully]]></screen>
|
||||
</example>
|
||||
|
||||
<example>
|
||||
<title>Setting multiple parameters with a connection resource</title>
|
||||
<para>
|
||||
</para>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?php
|
||||
/* Database Connection Parameters */
|
||||
$database = 'SAMPLE';
|
||||
$hostname = 'localhost';
|
||||
$port = 50000;
|
||||
$protocol = 'TCPIP';
|
||||
$username = 'db2inst1'; //change to db2inst1
|
||||
$password = 'ibmdb2'; //change to ibmdb2
|
||||
|
||||
/* Connection String */
|
||||
$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
|
||||
$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
|
||||
$conn_string .= "UID=$username;PWD=$password;";
|
||||
|
||||
/* Obtain Connection Resource */
|
||||
$conn = db2_connect($conn_string, '', '');
|
||||
|
||||
/* Create the associative options array with valid key-value pairs */
|
||||
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF,
|
||||
'binmode' => DB2_PASSTHRU,
|
||||
'db2_attr_case' => DB2_CASE_UPPER,
|
||||
'cursor' => DB2_SCROLLABLE);
|
||||
|
||||
/* Call the function using the correct resource, options array, and type values */
|
||||
$result = db2_set_option($conn, $options, 1);
|
||||
|
||||
/* Check if all options could be set correctly */
|
||||
if($result)
|
||||
{
|
||||
echo 'Options Set Successfully';
|
||||
}
|
||||
else
|
||||
{
|
||||
echo 'Could Not Set Options';
|
||||
}
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Options Set Successfully]]></screen>
|
||||
</example>
|
||||
|
||||
<!-- Behaves Incorrectly -->
|
||||
<example>
|
||||
<title>Setting multiple parameters with an invalid key</title>
|
||||
<para>
|
||||
</para>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?php
|
||||
/* Database Connection Parameters */
|
||||
$database = 'SAMPLE';
|
||||
$hostname = 'localhost';
|
||||
$port = 50000;
|
||||
$protocol = 'TCPIP';
|
||||
$username = 'db2inst1';
|
||||
$password = 'ibmdb2';
|
||||
|
||||
/* Connection String */
|
||||
$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
|
||||
$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
|
||||
$conn_string .= "UID=$username;PWD=$password;";
|
||||
|
||||
/* Obtain Connection Resource */
|
||||
$conn = db2_connect($conn_string, '', '');
|
||||
|
||||
/* Create the associative options array with valid key-value pairs */
|
||||
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF,
|
||||
'MY_INVALID_KEY' => DB2_PASSTHRU,
|
||||
'db2_attr_case' => DB2_CASE_UPPER,
|
||||
'cursor' => DB2_SCROLLABLE);
|
||||
|
||||
/* Call the function using the correct resource, options array, and type values */
|
||||
$result = db2_set_option($conn, $options, 1);
|
||||
|
||||
/* Check if all options could be set correctly */
|
||||
if($result)
|
||||
{
|
||||
echo 'Options Set Successfully';
|
||||
}
|
||||
else
|
||||
{
|
||||
echo 'Could Not Set Options';
|
||||
}
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Could Not Set Options]]></screen>
|
||||
</example>
|
||||
|
||||
<!-- Behaves Incorrectly -->
|
||||
<example>
|
||||
<title>Setting multiple parameters with an invalid value</title>
|
||||
<para>
|
||||
</para>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?php
|
||||
/* Database Connection Parameters */
|
||||
$database = 'SAMPLE';
|
||||
$hostname = 'localhost';
|
||||
$port = 50000;
|
||||
$protocol = 'TCPIP';
|
||||
$username = 'db2inst1';
|
||||
$password = 'ibmdb2';
|
||||
|
||||
/* Connection String */
|
||||
$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
|
||||
$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
|
||||
$conn_string .= "UID=$username;PWD=$password;";
|
||||
|
||||
/* Obtain Connection Resource */
|
||||
$conn = db2_connect($conn_string, '', '');
|
||||
|
||||
/* Create the associative options array with valid key-value pairs */
|
||||
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF,
|
||||
'binmode' => 'INVALID_VALUE',
|
||||
'db2_attr_case' => DB2_CASE_UPPER,
|
||||
'cursor' => DB2_SCROLLABLE);
|
||||
|
||||
/* Call the function using the correct resource, options array, and type values */
|
||||
$result = db2_set_option($conn, $options, 1);
|
||||
|
||||
/* Check if all options could be set correctly */
|
||||
if($result)
|
||||
{
|
||||
echo 'Options Set Successfully';
|
||||
}
|
||||
else
|
||||
{
|
||||
echo 'Could Not Set Options';
|
||||
}
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Could Not Set Options]]></screen>
|
||||
</example>
|
||||
|
||||
<example>
|
||||
<title>Setting multiple parameters with a connection resource and the wrong type</title>
|
||||
<para>
|
||||
</para>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?php
|
||||
|
||||
/* Database Connection Parameters */
|
||||
$database = 'SAMPLE';
|
||||
$hostname = 'localhost';
|
||||
$port = 50000;
|
||||
$protocol = 'TCPIP';
|
||||
$username = 'db2inst1';
|
||||
$password = 'ibmdb2';
|
||||
|
||||
/* Connection String */
|
||||
$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
|
||||
$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
|
||||
$conn_string .= "UID=$username;PWD=$password;";
|
||||
|
||||
/* Obtain Connection Resource */
|
||||
$conn = db2_connect($conn_string, '', '');
|
||||
|
||||
/* Create the associative options array with valid key-value pairs */
|
||||
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF,
|
||||
'binmode' => DB2_PASSTHRU,
|
||||
'db2_attr_case' => DB2_CASE_UPPER,
|
||||
'cursor' => DB2_SCROLLABLE);
|
||||
|
||||
/* Call the function using the correct resource, options array, and the wrong type value */
|
||||
$result = db2_set_option($conn, $options, 2);
|
||||
|
||||
/* Check if all options could be set correctly */
|
||||
if($result)
|
||||
{
|
||||
echo 'Options Set Successfully';
|
||||
}
|
||||
else
|
||||
{
|
||||
echo 'Could Not Set Options';
|
||||
}
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Could Not Set Options]]></screen>
|
||||
</example>
|
||||
|
||||
<example>
|
||||
<title>Setting multiple parameters with the wrong resource</title>
|
||||
<para>
|
||||
</para>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?php
|
||||
/* Database Connection Parameters */
|
||||
$database = 'SAMPLE';
|
||||
$hostname = 'localhost';
|
||||
$port = 50000;
|
||||
$protocol = 'TCPIP';
|
||||
$username = 'db2inst1';
|
||||
$password = 'ibmdb2';
|
||||
|
||||
/* Connection String */
|
||||
$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
|
||||
$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
|
||||
$conn_string .= "UID=$username;PWD=$password;";
|
||||
|
||||
/* Obtain Connection Resource */
|
||||
$conn = db2_connect($conn_string, '', '');
|
||||
|
||||
/* Create the associative options array with valid key-value pairs */
|
||||
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF,
|
||||
'binmode' => DB2_PASSTHRU,
|
||||
'db2_attr_case' => DB2_CASE_UPPER,
|
||||
'cursor' => DB2_SCROLLABLE);
|
||||
|
||||
$stmt = db2_prepare($conn, 'SELECT * FROM EMPLOYEE');
|
||||
|
||||
/* Call the function using the wrong resource, and the correct options array, and type values */
|
||||
$result = db2_set_option($stmt, $options, 1);
|
||||
|
||||
/* Check if all options could be set correctly */
|
||||
if($result)
|
||||
{
|
||||
echo 'Options Set Successfully';
|
||||
}
|
||||
else
|
||||
{
|
||||
echo 'Could Not Set Options';
|
||||
}
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Could Not Set Options]]></screen>
|
||||
</example>
|
||||
|
||||
<example>
|
||||
<title>Putting it all together</title>
|
||||
<para>
|
||||
</para>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?php
|
||||
/* Database Connection Parameters */
|
||||
$database = 'SAMPLE';
|
||||
$hostname = 'localhost';
|
||||
$port = 50000;
|
||||
$protocol = 'TCPIP';
|
||||
$username = 'db2inst1';
|
||||
$password = 'ibmdb2';
|
||||
|
||||
/* Connection String */
|
||||
$conn_string = "DRIVER={IBM DB2 ODBC DRIVER};DATABASE=$database;";
|
||||
$conn_string .= "HOSTNAME=$hostname;PORT=$port;PROTOCOL=$protocol;";
|
||||
$conn_string .= "UID=$username;PWD=$password;";
|
||||
|
||||
/* Obtain Connection Resource */
|
||||
$conn = db2_connect($conn_string, '', '');
|
||||
|
||||
/* Create the associative options array with valid key-value pairs */
|
||||
$options = array('db2_attr_case' => DB2_CASE_LOWER,
|
||||
'cursor' => DB2_SCROLLABLE);
|
||||
|
||||
$stmt = db2_prepare($conn, 'SELECT * FROM EMPLOYEE WHERE EMPNO = ? OR EMPNO = ?');
|
||||
|
||||
/* Call the function using the correct resource, options array, and type values */
|
||||
$option_result = db2_set_option($stmt, $options, 2);
|
||||
$result = db2_execute($stmt, array('000130', '000140'));
|
||||
|
||||
/* Get Row 2 before Row 1 since Scrollable Cursor */
|
||||
print_r(db2_fetch_assoc($stmt, 2));
|
||||
print '<br /><br />';
|
||||
print_r(db2_fetch_assoc($stmt, 1));
|
||||
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
&example.outputs;
|
||||
<screen><![CDATA[Array
|
||||
(
|
||||
[empno] => 000140
|
||||
[firstnme] => HEATHER
|
||||
[midinit] => A
|
||||
[lastname] => NICHOLLS
|
||||
[workdept] => C01
|
||||
[phoneno] => 1793
|
||||
[hiredate] => 1976-12-15
|
||||
[job] => ANALYST
|
||||
[edlevel] => 18
|
||||
[sex] => F
|
||||
[birthdate] => 1946-01-19
|
||||
[salary] => 28420.00
|
||||
[bonus] => 600.00
|
||||
[comm] => 2274.00
|
||||
)
|
||||
|
||||
Array
|
||||
(
|
||||
[empno] => 000130
|
||||
[firstnme] => DELORES
|
||||
[midinit] => M
|
||||
[lastname] => QUINTANA
|
||||
[workdept] => C01
|
||||
[phoneno] => 4578
|
||||
[hiredate] => 1971-07-28
|
||||
[job] => ANALYST
|
||||
[edlevel] => 16
|
||||
[sex] => F
|
||||
[birthdate] => 1925-09-15
|
||||
[salary] => 23800.00
|
||||
[bonus] => 500.00
|
||||
[comm] => 1904.00
|
||||
)]]></screen>
|
||||
</example>
|
||||
</para>
|
||||
</refsect1>
|
||||
<refsect1 role="seealso">
|
||||
&reftitle.seealso;
|
||||
<para>
|
||||
<simplelist>
|
||||
<member><function>db2_connect</function></member>
|
||||
<member><function>db2_pconnect</function></member>
|
||||
<member><function>db2_exec</function></member>
|
||||
<member><function>db2_prepare</function></member>
|
||||
<member><function>db2_cursor_type</function></member>
|
||||
</simplelist>
|
||||
</para>
|
||||
</refsect1>
|
||||
</refentry>
|
||||
|
||||
<!-- Keep this comment at the end of the file
|
||||
Local variables:
|
||||
mode: sgml
|
||||
sgml-omittag:t
|
||||
sgml-shorttag:t
|
||||
sgml-minimize-attributes:nil
|
||||
sgml-always-quote-attributes:t
|
||||
sgml-indent-step:1
|
||||
sgml-indent-data:t
|
||||
indent-tabs-mode:nil
|
||||
sgml-parent-document:nil
|
||||
sgml-default-dtd-file:"../../../../manual.ced"
|
||||
sgml-exposed-tags:nil
|
||||
sgml-local-catalogs:nil
|
||||
sgml-local-ecat-files:nil
|
||||
End:
|
||||
vim600: syn=xml fen fdm=syntax fdl=2 si
|
||||
vim: et tw=78 syn=sgml
|
||||
vi: ts=1 sw=1
|
||||
-->
|
||||
Loading…
Reference in a new issue