(PHP 5 >= 5.3.2, PHP 7, PHP 8, PECL OCI8 >= 1.4.0)
oci_set_client_info — Sets the client information
$connection
, string $client_info
): boolSets the client information for Oracle tracing.
The client information is registered with the database when the next 'round-trip' from PHP to the database occurs, typically when an SQL statement is executed.
The client information can subsequently be queried from database
administration views such as V$SESSION
.
The value may be retained across persistent connections.
connection
Oracle 連接標(biāo)識,由 oci_connect(),oci_pconnect(),或 oci_new_connect() 返回。
client_info
User chosen string up to 64 bytes long.
成功時(shí)返回 true
, 或者在失敗時(shí)返回 false
。
示例 #1 Setting the client information
<?php
$c = oci_connect('hr', 'welcome', 'localhost/XE');
// Record the client information
oci_set_client_info($c, 'My Application Version 2');
// Code that causes a round-trip, for example a query:
$s = oci_parse($c, 'select * from dual');
oci_execute($s);
oci_fetch_all($s, $res);
sleep(30);
?>
// While the script is running, the administrator can see the client // information: sqlplus system/welcome SQL> select client_info from v$session;
注意: Oracle 版本需求
當(dāng) PHP 是與 Oracle 數(shù)據(jù)庫 10g 及更新版本的 擴(kuò)展庫鏈接時(shí),此函數(shù)可用。
使用舊版的 OCI8 或 ORACLE 數(shù)據(jù)庫,可使用
Oracle DBMS_APPLICATION_INFO
包來設(shè)置客戶端信息。這比使用
oci_set_client_info() 較低效。
一些 OCI8 函數(shù)會(huì)導(dǎo)致 Roundtrips. 對數(shù)據(jù)庫來說當(dāng)啟用結(jié)果緩存時(shí),查詢可能不產(chǎn)生 Roundtrips。