oci_new_descriptor

(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)

oci_new_descriptor — 비어 있는 새 LOB 또는 FILE 설명자를 초기화합니다.


설명

oci_new_descriptor(resource $connection, , int $type = OCI_DTYPE_LOB): ?OCILob

설명자 또는 LOB 로케이터를 보유할 리소스를 할당합니다.


매개변수

connection
oci_connect() 또는 oci_pconnect()에 의해 반환된 Oracle 연결 식별자입니다.
type
type에 유효한 값은 OCI_DTYPE_FILE, OCI_DTYPE_LOBOCI_DTYPE_ROWID입니다.

반환 값

성공하면 새 LOB 또는 FILE 설명자를 반환하고 실패하면 null을 반환합니다.


Examples

예제 #1 oci_new_descriptor() 예제

                  
<?php
/* This script is designed to be called from a HTML form.
 * It expects $user, $password, $table, $where, and $commitsize
 * to be passed in from the form.  The script then deletes
 * the selected rows using the ROWID and commits after each
 * set of $commitsize rows. (Use with care, there is no rollback)
 */
$conn = oci_connect($user, $password);
$stmt = oci_parse($conn, "select rowid from $table $where");
$rowid = oci_new_descriptor($conn, OCI_D_ROWID);
oci_define_by_name($stmt, "ROWID", $rowid);
oci_execute($stmt);
while (oci_fetch($stmt)) {
    $nrows = oci_num_rows($stmt);
    $delete = oci_parse($conn, "delete from $table where ROWID = :rid");
    oci_bind_by_name($delete, ":rid", $rowid, -1, OCI_B_ROWID);
    oci_execute($delete);
    echo "$nrows\n";
    if (($nrows % $commitsize) == 0) {
        oci_commit($conn);
    }
}
$nrows = oci_num_rows($stmt);
echo "$nrows deleted...\n";
oci_free_statement($stmt);
oci_close($conn);
?>
                    
                  
                   
 <?php
     /* This script demonstrates file upload to LOB columns
      * The formfield used for this example looks like this
      * <form action="upload.php" method="post" enctype="multipart/form-data">
      * <input type="file" name="lob_upload" />
      * ...
      */
   if (!isset($lob_upload) || $lob_upload == 'none'){
 ?>
 <form action="upload.php" method="post" enctype="multipart/form-data">
 Upload file: <input type="file" name="lob_upload" /><br />
 <input type="submit" value="Upload" /> - <input type="reset" value="Reset" />
 </form>
 <?php
   } else {

      // $lob_upload contains the temporary filename of the uploaded file

      // see also the features section on file upload,
      // if you would like to use secure uploads

      $conn = oci_connect($user, $password);
      $lob = oci_new_descriptor($conn, OCI_D_LOB);
      $stmt = oci_parse($conn, "insert into $table (id, the_blob)
                values(my_seq.NEXTVAL, EMPTY_BLOB()) returning the_blob into :the_blob");
      oci_bind_by_name($stmt, ':the_blob', $lob, -1, OCI_B_BLOB);
      oci_execute($stmt, OCI_DEFAULT);
      if ($lob->savefile($lob_upload)){
         oci_commit($conn);
         echo "Blob successfully uploaded\n";
      }else{
         echo "Couldn't upload Blob\n";
      }
      $lob->free();
      oci_free_statement($stmt);
      oci_close($conn);
   }
 ?>
                     
                   

예제 #2 oci_new_descriptor() 예제

                    
<?php
/* Calling PL/SQL stored procedures which contain clobs as input
 * parameters.
 * Example PL/SQL stored procedure signature is:
 *
 * PROCEDURE save_data
 *   Argument Name                  Type                    In/Out Default?
 *   ------------------------------ ----------------------- ------ --------
 *   KEY                            NUMBER(38)              IN
 *   DATA                           CLOB                    IN
 *
 */

$conn = oci_connect($user, $password);
$stmt = oci_parse($conn, "begin save_data(:key, :data); end;");
$clob = oci_new_descriptor($conn, OCI_D_LOB);
oci_bind_by_name($stmt, ':key', $key);
oci_bind_by_name($stmt, ':data', $clob, -1, OCI_B_CLOB);
$clob->write($data);
oci_execute($stmt, OCI_DEFAULT);
oci_commit($conn);
$clob->free();
oci_free_statement($stmt);
?>
                       
                     

노트

메모: PHP 5.0.0 이전 버전에서는 대신 ocinewdescriptor()을 사용해야 합니다. 이 이름은 여전히 ​​사용할 수 있으며 하위 호환성을 위해 oci_new_descriptor()의 별칭으로 남겨졌습니다. 그러나 이것은 더 이상 사용되지 않으며 권장되지 않습니다.


기타