Query: cubrid_lob2_seek64
OS: php
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
CUBRID_LOB2_SEEK64(3) 1 CUBRID_LOB2_SEEK64(3) cubrid_lob2_seek64 - Move the cursor of a lob object.SYNOPSISbool cubrid_lob2_seek64 (resource $lob_identifier, string $offset, [int $origin = CUBRID_CURSOR_CURRENT])DESCRIPTIONThe cubrid_lob2_seek64(3) function is used to move the cursor position of a lob object by the value set in the $offset argument, to the direction set in the $origin argument. If the $offset you want to move is larger than an integer data can be stored, you can use this func- tion. To set the $origin argument, you can use CUBRID_CURSOR_FIRST to set the cursor position moving forward $offset units from the first begin- ning. In this case, $offset must be a positive value. If you use CUBRID_CURSOR_CURRENT for $origin, you can move forward or backward. and $offset can be positive or negative. If you use CUBRID_CURSOR_LAST for $origin, you can move backward $offset units from the end of LOB object and $offset only can be posi- tive. Note If you use this function to move the cursor position of the lob object, you should pass $offset as a string.PARAMETERSo $lob_identifier -Lob identifier as a result of cubrid_lob2_new(3) or get from the result set. o $offset -Number of units you want to move the cursor. o $origin -This parameter can be the following values:CUBRID_CURSOR_FIRST: move forward from the first beginning.CUBRID_CURSOR_CURRENT: move forward or backward from the current position.CUBRID_CURSOR_LAST: move backward at the end of LOB object.RETURN VALUESTRUE if the process is successful and FALSE for failure.EXAMPLESExample #1 cubrid_lob2_seek64(3) example <?php // test_lob (id INT, contents CLOB) // Data length of doc_1.txt should be greater than 20101029056306120215. $conn = cubrid_connect("localhost", 33000, "demodb", "dba", ""); cubrid_execute($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 (?, ?)"); cubrid_bind($req, 1, 1); $lob = cubrid_lob2_new($conn, "clob"); cubrid_lob2_import($lob, "doc_1.txt"); cubrid_lob2_bind($req, 2, $lob, 'CLOB'); // or cubrid_lob2_bind($req, 2, $lob); cubrid_execute($req); cubrid_lob2_close($lob); $req = cubrid_execute($conn, "select * from test_lob"); $row = cubrid_fetch_row($req, CUBRID_LOB); $lob = $row[1]; cubrid_lob2_seek64($lob, "20101029056306120215", CUBRID_CURSOR_FIRST); $data = cubrid_lob2_read($lob, 20); echo $data." "; cubrid_disconnect($conn); ?>SEE ALSOcubrid_lob2_read(3), cubrid_lob2_write(3), cubrid_lob2_seek(3), cubrid_lob2_tell(3), cubrid_lob2_tell64(3), cubrid_lob2_size(3), cubrid_lob2_size64(3). PHP Documentation Group CUBRID_LOB2_SEEK64(3)
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