pg_copy_from
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_copy_from — 根据数组将记录插入表中
说明
$connection
, string $table_name
, array $rows
[, string $delimiter
[, string $null_as
]] ) : bool
pg_copy_from() 将数组 rows 的内容作为记录插入表中。它在内部使用了 COPY FROM SQL 命令来插入记录。
参数
-
connection -
PostgreSQL database connection resource.
-
table_name -
Name of the table into which to copy the
rows. -
rows -
An array of data to be copied into
table_name. Each value inrowsbecomes a row intable_name. Each value inrowsshould be a delimited string of the values to insert into each field. Values should be linefeed terminated. -
delimiter -
The token that separates values for each field in each element of
rows. Default is TAB. -
null_as -
How SQL NULL values are represented in the
rows. Default is \N ("\N").
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE。
范例
Example #1 pg_copy_from() example
<?php
$db = pg_connect("dbname=publisher") or die("Could not connect");
$rows = pg_copy_to($db, $table_name);
pg_query($db, "DELETE FROM $table_name");
pg_copy_from($db, $table_name, $rows);
?>