PHP 5.4.36 Released

pg_connection_busy

(PHP 4 >= 4.2.0, PHP 5)

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。

Example #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()

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levi at alliancesoftware dot com dot au
5 years ago
pg_connection_busy() returning true does not necessarily mean that there are results waiting for pg_get_result(); it also stays true for some time after a query that causes any sort of postgres error. (See http://bugs.php.net/bug.php?id=36469)
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