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
- cubrid_lob2_read() - Read from BLOB/CLOB data
- cubrid_lob2_seek() - Move the cursor of a lob object
- cubrid_lob2_seek64() - Move the cursor of a lob object
- cubrid_lob2_tell() - Tell the cursor position of the LOB object
- cubrid_lob2_tell64() - Tell the cursor position of the LOB object
- cubrid_lob2_size() - Get a lob object's size
- cubrid_lob2_size64() - Get a lob object's size
