ocinewdescriptor

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例子 1. ocinewdescriptor() <?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)      */    $conn = OCILogon($user, $password);    $stmt = OCIParse($conn, "select rowid from $table $where");    $rowid = OCINewDescriptor($conn, OCI_D_ROWID);    OCIDefineByName($stmt, "ROWID", &$rowid);     OCIExecute($stmt);    while (OCIFetch($stmt)) {        $nrows = OCIRowCount($stmt);        $delete = OCIParse($conn, "delete from $table where ROWID = :rid");        OCIBindByName($delete, ":rid", &$rowid, -1, OCI_B_ROWID);        OCIExecute($delete);             echo "$nrows\n";        if (($nrows % $commitsize) == 0) {            OCICommit($conn);             }     }    $nrows = OCIRowCount($stmt);     echo "$nrows deleted...\n";    OCIFreeStatement($stmt);     OCILogoff($conn); ?> <?php    /* This script demonstrates file upload to LOB columns      * The formfield used for this example looks like this      * <form action="upload.php" method="post" enctype="multipart/form-data">      * <input type="file" name="lob_upload" />      * ...      */   if (!isset($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           $conn = OCILogon($user, $password);      $lob = OCINewDescriptor($conn, OCI_D_LOB);      $stmt = OCIParse($conn, "insert into $table (id, the_blob)                values(my_seq.NEXTVAL, EMPTY_BLOB()) returning the_blob into :the_blob");      OCIBindByName($stmt, ':the_blob', &$lob, -1, OCI_B_BLOB);      OCIExecute($stmt, OCI_DEFAULT);      if ($lob->savefile($lob_upload)){        OCICommit($conn);        echo "Blob successfully uploaded\n";      }else{        echo "Couldn't upload Blob\n";      }      OCIFreeDesc($lob);      OCIFreeStatement($stmt);      OCILogoff($conn);   } ?>

例子 2. ocinewdescriptor() <?php     /* Calling PL/SQL stored procedures which contain clobs as input      * parameters (PHP 4 >= 4.0.6).      * Example PL/SQL stored procedure signature is:      *      * PROCEDURE save_data      *  Argument Name                  Type                    In/Out Default?      *  ------------------------------ ----------------------- ------ --------      *  KEY                            NUMBER(38)              IN      *  DATA                          CLOB                    IN      *      */    $conn = OCILogon($user, $password);    $stmt = OCIParse($conn, "begin save_data(:key, :data); end;");    $clob = OCINewDescriptor($conn, OCI_D_LOB);        OCIBindByName($stmt, ':key', $key);    OCIBindByName($stmt, ':data', $clob, -1, OCI_B_CLOB);        $clob->WriteTemporary($data);        OCIExecute($stmt, OCI_DEFAULT);        OCICommit($conn);        $clob->close();        $clob->free();    OCIFreeStatement($stmt); ?>