pg_connection_busy

(PHP 4 >= 4.2.0)

pg_connection_busy --  获知连接是否为忙

说明

bool pg_connection_busy ( resource connection)

pg_connection_busy() 在此连接状态为忙的时候返回 TRUE。如果连接状态为忙,说明前一个查询仍然在执行。如果调用 pg_get_result() 函数的话,则会被锁死。

例子 1. pg_connection_busy() 例子

<?php
    $dbconn
= pg_connect("dbname=publisher") or die("Could not connect");
    
$bs = pg_connection_busy($dbconn);
    if (
$bs) {
        echo
'connection is busy';
    }
    else {
       echo
'connection is not busy';
    }
?>

参见 pg_connection_status()pg_get_result()