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pg_copy_from — 根据数组将记录插入表中
$connection,$table_name,$rows,$delimiter = ?,$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。
示例 #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);
?>
