pg_end_copy()
(PHP 4 >= 4.0.3, PHP 5, PHP 7)
与 PostgreSQL 后端同步
说明
pg_end_copy([resource $connection]): bool
pg_end_copy()在处理完pg_put_line()所执行的拷贝操作之后将 PostgreSQL 前端(通常为 web server 进程)与 PostgreSQL 服务器进行同步。pg_end_copy()必须被调用,否则 PostgreSQL 服务器可能会和前端失去同步并报错。
参数
- $connection
PostgreSQL database connection resource. When$connectionis not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().
返回值
成功时返回TRUE
,或者在失败时返回FALSE
。
范例
Example #1 pg_end_copy()例子
<?php $conn = pg_pconnect("dbname=foo"); pg_query($conn, "create table bar (a int4, b char(16), d float8)"); pg_query($conn, "copy bar from stdin"); pg_put_line($conn, "3\thello world\t4.5\n"); pg_put_line($conn, "4\tgoodbye world\t7.11\n"); pg_put_line($conn, "\.\n"); pg_end_copy($conn); ?>
参见
pg_put_line()
向 PostgreSQL 后端发送以 NULL 结尾的字符串