oci-field-type-raw.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.oci-field-type-raw" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>oci_field_type_raw</refname>
  <refpurpose>返回字段的原始 Oracle 数据类型</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>int</type><type>false</type></type><methodname>oci_field_type_raw</methodname>
   <methodparam><type>resource</type><parameter>statement</parameter></methodparam>
   <methodparam><type class="union"><type>string</type><type>int</type></type><parameter>column</parameter></methodparam>
  </methodsynopsis>
  <para>
   返回 <parameter>column</parameter> 的 Oracle 原始“SQLT”数据类型。
  </para>
  <para>
   如果想要字段的类型名称，然后使用 <function>oci_field_type</function> 代替。
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>statement</parameter></term>
     <listitem>
      <para>
       有效的 OCI 语句标识符。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>column</parameter></term>
     <listitem>
      <para>
       可以是字段的索引（从1开始），也可以是名称。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   返回数字类型的 Oracle 的原始数据类型，&return.falseforfailure;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>oci_field_type_raw</function> 示例</title>
    <programlisting role="php">
<![CDATA[
<?php

// Create the table with:
//   CREATE TABLE mytab (number_col NUMBER, varchar2_col varchar2(1), clob_col CLOB, date_col DATE);

$conn = oci_connect("hr", "hrpwd", "localhost/XE");
if (!$conn) {
    $m = oci_error();
    trigger_error(htmlentities($m['message']), E_USER_ERROR);
}

$stid = oci_parse($conn, 'select * from mytab');
oci_execute($stid, OCI_DESCRIBE_ONLY);  // Use OCI_DESCRIBE_ONLY if not fetching rows
$n = oci_num_fields($stid);
for ($i = 1; $i <= $n; ++$i) {
    echo oci_field_name($stid, $i) . " is raw type: " . oci_field_type_raw($stid, $i) . "<br>\n";
}

// Output is:
//    NUMBER_COL is raw type: 2
//    VARCHAR2_COL is raw type: 1
//    CLOB_COL is raw type: 112
//    DATE_COL is raw type: 12

oci_free_statement($stid);
oci_close($conn);

?>]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
</refentry>
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