oci_new_descriptor
(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
oci_new_descriptor — 初始化新的空 LOB 或 FILE 描述符
参数
connectionOracle 连接标识符，由 oci_connect() 或 oci_pconnect() 返回。
typetype的有效值是：OCI_DTYPE_FILE、OCI_DTYPE_LOB和OCI_DTYPE_ROWID。
返回值
成功时返回新 LOB 或 FILE 描述符，失败时为 null。
示例
示例 #1 oci_new_descriptor() 示例
<?php
$conn = oci_connect($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($conn);
?><?php
if (!isset($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
示例 #2 oci_new_descriptor() 示例
<?php
$conn = oci_connect($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);
?>参见
- oci_bind_by_name() - 绑定 PHP 变量到 Oracle 位置标志符
