(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_copy_from — 根据数组将记录插入表中
$connection
, string $table_name
, array $rows
[, string $delimiter
[, string $null_as
]] )
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。
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 in rows
becomes a row in table_name
.
Each value in rows
should 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").
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
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);
?>