Php/docs/function.pg-copy-from
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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
pg_copy_from
( resource $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 inrows
becomes a row intable_name
. Each value inrows
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 isTAB
. null_as
- How SQL
NULL
values are represented in therows
. 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);?>