reference/oci8/functions/ocicolumnsize.xml

<?xml version="1.0" encoding="UTF-8"?>
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  <refentry xml:id="function.ocicolumnsize" xmlns="http://docbook.org/ns/docbook">
   <refnamediv>
    <refname>ocicolumnsize</refname>
    <refpurpose>Restituisce la dimensione del campo</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Descrizione</title>
     <methodsynopsis>
      <type>int</type><methodname>ocicolumnsize</methodname>
      <methodparam><type>int</type><parameter>stmt</parameter></methodparam>
      <methodparam><type>mixed</type><parameter>column</parameter></methodparam>
     </methodsynopsis>
    <para>
     <function>ocicolumnsize</function> restituisce la dimensione del campo
     come riportata da Oracle. Si può usare il
     numero del campo (primo campo=1) o il nome del campo per
     il parametro <parameter>col</parameter>.
    </para>
    <para>
     <example>
      <title>esempio di <function>ocicolumnsize</function></title>
      <programlisting>
<![CDATA[
<?php
    print "<HTML><PRE>\n";
    $conn = OCILogon("scott", "tiger");
    $stmt = OCIParse($conn,"select * from emp");
    OCIExecute($stmt);
    print "<TABLE BORDER=\"1\">";
    print "<TR>";
    print "<TH>Name</TH>";
    print "<TH>Type</TH>";
    print "<TH>Length</TH>";
    print "</TR>";
    $ncols = OCINumCols($stmt);
    for ( $i = 1; $i <= $ncols; $i++ ) {
        $column_name  = OCIColumnName($stmt,$i);
        $column_type  = OCIColumnType($stmt,$i);
        $column_size  = OCIColumnSize($stmt,$i);
        print "<TR>";
        print "<TD>$column_name</TD>";
        print "<TD>$column_type</TD>";
        print "<TD>$column_size</TD>";
        print "</TR>";
    }
    print "</TABLE>";
    OCIFreeStatement($stmt);
    OCILogoff($conn);
    print "</PRE>";
    print "</HTML>\n";
?>
]]>
      </programlisting>
     </example>
    </para>
    <simpara>
     Vedere anche <function>ocinumcols</function>,
     <function>ocicolumnname</function> e
     <function>ocicolumnsize</function>.
    </simpara>
   </refsect1>
  </refentry>

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