pg_copy_to()

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

将一个表拷贝到数组中

说明

pg_copy_to(resource $connection,string $table_name[,string $delimiter[,string $null_as]]): array

pg_copy_to()将一个表拷贝到数组中，该数组作为结果返回。它在内部使用了COPY FROMSQL 命令来插入记录，并返回结果数组。如果失败则返回FALSE。

参见pg_copy_from()。

"It issues COPY TO SQL command internally to insert records"
I suspect this statement is incorrect, or that s/insert/retrieve/ is appropriate.

You cannot specify the schema name in this command. You can change the search path for just one query by using the following code: 
<?php
pg_query($conn, "SET search_path TO myschema;");
  
$copy_to = pg_copy_to($conn, 'tablename');
  
pg_query("RESET search_path;");
?>