範例 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);
print "$nrows\n";
if ( ($nrows % $commitsize) == 0 ) {
OCICommit($conn);
}
}
$nrows = OCIRowCount($stmt);
print "$nrows deleted...\n";
OCIFreeStatement($stmt);
OCILogoff($conn);
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?php
/* This script demonstrates file upload to LOB columns
* The formfield used for this example looks like this
* form action="upload.php" method="post" enctype="multipart/form-data"
* input type="file" name="lob_upload"
* ...
*/
if(!isset($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"
/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);
}
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