(PHP 4 >= 4.0.3, PHP 5)
pg_put_line — 向 PostgreSQL 后端发送以 NULL 结尾的字符串
$connection
], string $data
)
pg_put_line() 向 PostgreSQL 后端服务器发送以 NULL 结尾的字符串。例如可以通过 PostgreSQL 的 copy 操作来向表中高速插入数据。结尾的 NULL 字符会自动加入。成功时返回 TRUE
, 或者在失败时返回 FALSE
.
Note:
应用程序必须明确地在最后一行发送两个字符 "\." 来向后端指明发送数据结束。
Example #1 向表中高速插入数据
<?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);
?>
connection
PostgreSQL database connection resource. When
connection
is not present, the default connection
is used. The default connection is the last connection made by
pg_connect() or pg_pconnect().
data
A line of text to be sent directly to the PostgreSQL backend. A NULL terminator is added automatically.
成功时返回 TRUE
, 或者在失败时返回 FALSE
.
Example #2 pg_put_line() example
<?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);
?>