cubrid_lob2_write

(PECL CUBRID >= 8.4.1)

cubrid_lob2_write — Write to a lob object

说明

cubrid_lob2_write ( resource $lob_identifier , string $buf ) : bool

The cubrid_lob2_write() function reads as much as data from buf and stores it to the LOB object. Note that this function can only append characters now.

参数

lob_identifier

Lob identifier as a result of cubrid_lob2_new() or get from the result set.

buf

Data that need to be written to the lob object.

返回值

TRUE if the process is successful and FALSE for failure.

范例

Example #1 cubrid_lob2_write() example 1

<?php
// test_lob (id INT, contents CLOB)

$conn = cubrid_connect("localhost", 33000, "demodb", "dba", "");

cubrid_execute($conn,"DROP TABLE if exists test_lob");
cubrid_execute($conn,"CREATE TABLE test_lob (id INT, contents CLOB)");

$req = cubrid_prepare($conn, "INSERT INTO test_lob VALUES(2, ?)");

$lob = cubrid_lob2_new($conn, 'CLOB');
$len = cubrid_lob2_write($lob, "Hello world");

cubrid_lob2_bind($req, 1, $lob);
cubrid_execute($req);

cubrid_disconnect($conn);
?>

Example #2 cubrid_lob2_write() example 2

<?php
// test_lob (id INT, contents CLOB)

$conn = cubrid_connect("localhost", 33000, "demodb", "dba", "");

cubrid_execute($conn,"DROP TABLE if exists test_lob");
cubrid_execute($conn,"CREATE TABLE test_lob (id INT, contents CLOB)");

$req = cubrid_prepare($conn, "INSERT INTO test_lob VALUES(1, ?)");
$lob1 = cubrid_lob2_new($conn, 'CLOB');
$len = cubrid_lob2_write($lob1, "cubrid php driver");
cubrid_lob2_bind($req, 1, $lob1);
cubrid_execute($req);

$req = cubrid_execute($conn, "select * from test_lob");

$row = cubrid_fetch_row($req, CUBRID_LOB);
$lob2 = $row[1];
cubrid_lob2_seek($lob2, 0, CUBRID_CURSOR_LAST);

$pos = cubrid_lob2_tell($lob2);
print "pos before write: $pos\n";

cubrid_lob2_write($lob2, "Hello world");

$pos = cubrid_lob2_tell($lob2);
print "pos after write: $pos\n";

cubrid_disconnect($conn);
?>

参见