<?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($conn);
echo "Blob successfully uploaded\n";
}else{
echo "Couldn't upload Blob\n";
}
oci_free_descriptor($lob);
oci_free_statement($stmt);
oci_close($conn);
}
?>
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