= 4.2.0, PHP 5, PHP 7, PHP 8)pg_copy_from — 根據(jù)數(shù)組將記錄插入表中 說明pg_copy_from( resource $connection, string $table_name, array $">

pg_copy_from

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

pg_copy_from — 根據(jù)數(shù)組將記錄插入表中

說明

pg_copy_from(
    resource $connection,
    string $table_name,
    array $rows,
    string $delimiter = ?,
    string $null_as = ?
): bool

pg_copy_from() 將數(shù)組 rows 的內(nèi)容作為記錄插入表中。它在內(nèi)部使用了 COPY FROM SQL 命令來插入記錄。

參數(shù)

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").

返回值

成功時返回 true， 或者在失敗時返回 false。

范例

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);
?>

參見