作者:tonyvicky
來自:LinuxSir.Org
摘要:FreeTDS: 是在Linux系統(tǒng)中連接SQL Server的程序,本文不介紹此軟件的安裝方法,我們主要介紹SQL Relay的配置和應(yīng)用;
目錄
一、SQL Relay是什么;
二、SQL Relay支持哪些數(shù)據(jù)庫;
三、安裝和配置;
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正文
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一、SQL Relay是什么?
SQL Relay是一個開源的數(shù)據(jù)庫池連接代理服務(wù)器
二、SQL Relay支持哪些數(shù)據(jù)庫?
* Oracle
* MySQL
* mSQL
* PostgreSQL
* Sybase
* MS SQL Server
* IBM DB2
* Interbase
* Sybase
* SQLite
* Lago
* ODBC
* MS Access
三、安裝和配置;
不說廢話了,開始安裝SQL Relay,到 http://sqlrelay.sourceforge.net/ 去下載相應(yīng)的軟件
安裝SQL Relay需要先安裝Rudiments, 在 http://sqlrelay.sourceforge.net/download.html 可以找到
1、安裝Rudiments:
# tar vxzf rudiments-0.28.2.tar.gz
# cd rudiments-0.28.2
# ./configure --prefix=/usr/local/rudiments
# make
# make install
2、安裝SQL Relay:
# tar vxzf sqlrelay-0.36.4.tar.gz
# cd sqlrelay-0.36.4
# ./configure --prefix=/usr/local/sqlrelay --with-rudiments-prefix=/usr/local/rudiments --with-mysql-prefix=MySQL安裝路徑 --with-freetds-prefix=FreeTDS安裝路徑 --with-oracle-home=Oracle安裝路徑 --with-php-prefix=PHP安裝路徑
# make
# make install
修改php.ini
extension_dir = "./"
extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20050922"
extension=sql_relay.so
接下來,介紹SQL Relay如何連接SQL Server
修改FreeTDS的配置文件freetds.conf
加入如下內(nèi)容:
[msde]
host = 172.16.20.203
port =1433
tds version = 8.0
client charset = GB2312
4、修改SQL Relay的配置文件
# cd /usr/local/sqlrelay/etc
# cp sqlrelay.conf.example sqlrelay.conf
<?xml version="1.0"?>
<!DOCTYPE instances SYSTEM "sqlrelay.dtd">
<instances>
<instance id="msdetest" port="9000" socket="/tmp/msdetest.socket" dbase="freetds" connections="5" maxconnections="10" maxqueuelength="0" growby="1" ttl="60" endofsession="commit" sessiontimeout="5" runasuser="nobody" runasgroup="nobody" cursors="5" authtier="listener" handoff="pass">
<users>
<user user="sa" password="sa"/>
</users>
<connections>
<connection connectionid="msdetest" string="server=msde;db=pubs;user=sa;password=sa;" metric="1"/>
</connections>
</instance>
</instances>
四、啟動SQL Relay,并測試;
1、啟動 SQL Relay
# export PATH=$PATH:/usr/local/sqlrelay/bin
# sqlr-start -id msdetest
2、使用SQL工具:
# sqlrsh -id msdetest
停止SQL Relay:
# sqlr-stop msdetest
3、測試PHP:
寫一個PHP文件,內(nèi)容如下:
<?
$con=sqlrcon_alloc("msdetest",9000,"/tmp/msdetest.socket","sa","sa",0,1);
$cur=sqlrcur_alloc($con);
sqlrcur_sendQuery($cur,"select * from t_gifts");
for ($row=0; $row<sqlrcur_rowCount($cur); $row++) {
for ($col=0; $col<sqlrcur_colCount($cur); $col++) {
echo sqlrcur_getField($cur,$row,$col);
echo ",";
}
echo "<br>\n";
}
sqlrcur_free($cur);
sqlrcon_free($con);
?>