PHP マニュアル: Get BLOB/CLOB data

説明

array cubrid_lob_get(resource $conn_identifier, string $sql)

cubrid_lob_get is used to get BLOB/CLOB meta info from CUBRID database, CUBRID gets BLOB/CLOB by executing the SQL statement, and returns all LOBs as a resource array. Be sure that the SQL retrieves only one column and its data type is BLOB or CLOB.

Remember to use cubrid_lob_close to release the LOBs if you don't need it any more.

パラメータ

conn_identifier: Connection identifier.
sql: SQL statement to be executed.

戻り値

Return an array of LOB resources, when process is successful,失敗した場合に false を返します.

例

例1 cubrid_lob_get example

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

cubrid_execute($conn,"DROP TABLE if exists doc");
cubrid_execute($conn,"CREATE TABLE doc (id INT, doc_content CLOB)");
cubrid_execute($conn,"INSERT INTO doc VALUES (5,'hello,cubrid')");

$lobs = cubrid_lob_get($conn, "SELECT doc_content FROM doc WHERE id=5");
echo "Doc size: ".cubrid_lob_size($lobs[0])." bytes";
cubrid_lob_export($conn, $lobs[0], "doc_5.txt");
cubrid_lob_close($lobs);
cubrid_disconnect($conn);
?>

参考

cubrid_lob_close
cubrid_lob_size
cubrid_lob_export
cubrid_lob_send