cubrid_lob_export
(PECL CUBRID >= 8.3.1)
cubrid_lob_export — Export BLOB/CLOB data to file
说明
cubrid_lob_export() is used to get BLOB/CLOB data from CUBRID database, and saves its contents to a file. To use this function, you must use cubrid_lob_get() first to get BLOB/CLOB info from CUBRID.
参数
-
conn_identifier -
Connection identifier.
-
lob_identifier -
LOB identifier.
-
path_name -
Path name of the file.
返回值
成功时返回 true， 或者在失败时返回 false。
示例
示例 #1 cubrid_lob_export() 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);
?>参见
- cubrid_lob_get() - Get BLOB/CLOB data
- cubrid_lob_close() - Close BLOB/CLOB data
- cubrid_lob_size() - Get BLOB/CLOB data size
- cubrid_lob_send() - Read BLOB/CLOB data and send straight to browser
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