cubrid_lob2_export

(PECL CUBRID >= 8.4.1)

cubrid_lob2_export — Export the lob object to a file

说明

cubrid_lob2_export(resource $lob_identifier, string $file_name): bool

The cubrid_lob2_export() function is used to save the contents of BLOB/CLOB data to a file. To use this function, you must use cubrid_lob2_new() or fetch a lob object from CUBRID database first. If the file already exists, the operation will fail. This function will not influence the cursor position of the lob object. It operates the entire lob object.

参数

lob_identifier: Lob identifier as a result of cubrid_lob2_new() or get from the result set.
filename: File name you want to store BLOB/CLOB data. It also supports the path of the file.

返回值

成功时返回 true，或者在失败时返回 false。

范例

示例 #1 cubrid_lob2_export() example


<?php
// Table: test_lob (id INT, contents CLOB)

$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')");

$req = cubrid_prepare($conn, "select * from doc");

cubrid_execute($req);

cubrid_move_cursor($req, 1, CUBRID_CURSOR_FIRST);

$row = cubrid_fetch($req, CUBRID_NUM | CUBRID_LOB);

cubrid_lob2_export($row[1], "doc_3.txt");

cubrid_lob2_close($row[1]);
cubrid_disconnect($conn);
?>

参见

cubrid_lob2_new() - Create a lob object
cubrid_lob2_close() - Close LOB object
cubrid_lob2_import() - Import BLOB/CLOB data from a file
cubrid_lob2_bind() - Bind a lob object or a string as a lob object to a prepared statement as parameters

add a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址：https://www.php.net/manual/en/function.cubrid-lob2-export.php

有任何技术问题请点击这里网站运营推广招聘

IT PHP 编程语言 Linux 开发编程科技 Elasticsearch HTML/CSS/XML 网络 JAVA NoSQL 数据库面试 C/C++ Golang Git 算法操作系统正则表达式 Redis 互联网 MySql JavaScript 运维软件国际架构设计 Mac OS TCP/IP Excel Vim Windows Socket Oracle VR MongoDB Python 运营 MemCache 商业硬件电子娱乐设计 nginx 摄影游戏 WordPress HTTP 团建数码电器

php7 安装fileinfo扩展 preg_split — 通过一个正则表达式分隔字符串 php位值,解决 PHP 中 usort 在值相同时改变原始位置的问题 [PHP] inet_pton/inet_ntop IP地址转换函数 array_multisort() 多字段排序 PHPMailer设置utf8 PHPMailer字符集CharSet ADORecordSet对象 adodb手册 PHP 8.1 [鸟哥]PHP_INT_MIN 和 -9223372036854775808 opcache预加载 Composer的Packagist资源 mysql面试题 [鸟哥]PHP FFI详解 - 一种全新的PHP扩展方式 PHP7添加redis扩展 PHP获取指定函数定义在哪个文件中及行号 PHP mkdir()写出来的权限与mode值不符合 adodb连接mysql多个数据库的问题 PHP-FPM进程数的设定利用PHP SOAP实现WEB SERVICE

略微加速

PHP官方手册 - 互联网笔记

cubrid_lob2_export

说明

参数

返回值

范例

参见

User Contributed Notes