Php/docs/function.cubrid-lob2-write
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
