/**
* 本测试展示了如何用LtCache给LtDb提高性能
*/
public function testPerformance()
{
/**
* 配置数据库连接信息
*/
$dcb = new LtDbConfigBuilder();
$dcb->addSingleHost(array("adapter" => "mysql", "username" => "test", "password" => "", "dbname" => "test"));
/**
* 实例化组件入口类
*/
$db = new LtDb();
$db->configHandle->addConfig(array("db.servers" => $dcb->getServers()));
$db->init();
/**
* 用法 1： 直接操作数据库
* 优点：学习成本低，快速入门
* 适用场景：
1. 临时写个脚本操作数据库，不想花时间学习LtDb的查询引擎
2. 只写少量脚本，不是一个完整持续的项目，不需要SqlMap来管理SQL语句
*/
$dbh = $db->getDbHandle();
$dbh->query("DROP TABLE IF EXISTS test_user");
$dbh->query("\n\t\t\tCREATE TABLE test_user (\n\t\t\tid INT NOT NULL AUTO_INCREMENT,\n\t\t\tname VARCHAR( 20 ) NOT NULL ,\n\t\t\tage INT NOT NULL ,\n\t\t\tPRIMARY KEY ( id ) \n\t\t)");
/**
* 用法 2： 使用Table Gateway查询引擎
*
* 优点：自动生成SQL语句
*
* 适用场景：
1. 对数据表进行增简单的删查改操作，尤其是单条数据的操作
* 2. 简单的SELECT，动态合成WHERE子句
*/
$tg = $db->getTDG("test_user");
/**
* 运行100次，要求在1秒内运行完
*/
$base_memory_usage = memory_get_usage();
$times = 100;
$startTime = microtime(true);
for ($i = 0; $i < $times; $i++) {
$tg->insert(array("id" => $i, "name" => "lotusphp", "age" => 1));
}
$dbh->query("DROP TABLE IF EXISTS test_user");
$endTime = microtime(true);
$totalTime = round($endTime - $startTime, 6);
$averageTime = round($totalTime / $times, 6);
$memory_usage = memory_get_usage() - $base_memory_usage;
$averageMemory = formatSize($memory_usage / $times);
$memory_usage = formatSize($memory_usage);
if (LOTUS_UNITTEST_DEBUG) {
echo "\n----------------db getTDG insert----------------\n";
echo "times \t{$times}\n";
echo "totalTime \t{$totalTime}s\taverageTime \t{$averageTime}s\n";
echo "memoryUsage \t{$memory_usage}\taverageMemory \t{$averageMemory}";
echo "\n---------------------------------------------------------\n";
}
$this->assertTrue(1 > $totalTime);
}
/**
* 测试分布式数据库的配置方法
*/
public function testConfigBuilderDistDb()
{
$dcb = new LtDbConfigBuilder();
/**
* 配置系统数据组
* 一个节点， 一主两从，分布在三台不同的机器上
*/
$dcb->addHost("sys_group", "sys_node_1", "master", array("host" => "10.0.0.1", "password" => "123456", "dbname" => "sys_data", "schema" => "public", "adapter" => "pgsql"));
$dcb->addHost("sys_group", "sys_node_1", "slave", array("host" => "10.0.0.2", "adapter" => "pdo_pgsql"));
$dcb->addHost("sys_group", "sys_node_1", "slave", array("host" => "10.0.0.3"));
/**
* 配置用户数据组
* 两个节点
* 每个节点一主一从
* 都在同一台机器上，不同节点数据库名不同，主从服务器的端口不同
*/
$dcb->addHost("user_group", "user_node_1", "master", array("host" => "10.0.1.1", "password" => "123456", "adapter" => "mysqli", "dbname" => "member_1"));
$dcb->addHost("user_group", "user_node_1", "slave", array("port" => 3307));
$dcb->addHost("user_group", "user_node_2", "master", array("dbname" => "member_2"));
$dcb->addHost("user_group", "user_node_2", "slave", array("port" => 3307));
/**
* 配置交易数据组
* 三个节点
* 每个节点两台机器互为主从
*/
$dcb->addHost("trade_group", "trade_node_1", "master", array("host" => "10.0.2.1", "password" => "123456", "adapter" => "oci", "dbname" => "finance", "schema" => "trade"));
$dcb->addHost("trade_group", "trade_node_1", "master", array("host" => "10.0.2.2"));
$dcb->addHost("trade_group", "trade_node_2", "master", array("host" => "10.0.2.3"));
$dcb->addHost("trade_group", "trade_node_2", "master", array("host" => "10.0.2.4"));
$dcb->addHost("trade_group", "trade_node_3", "master", array("host" => "10.0.2.5"));
$dcb->addHost("trade_group", "trade_node_3", "master", array("host" => "10.0.2.6"));
$this->assertEquals(array("sys_group" => array("sys_node_1" => array("master" => array(array("host" => "10.0.0.1", "port" => 5432, "username" => "root", "password" => "123456", "adapter" => "pgsql", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "sys_data", "schema" => "public", "connection_adapter" => "pgsql", "sql_adapter" => "pgsql")), "slave" => array(array("host" => "10.0.0.2", "port" => 5432, "username" => "root", "password" => "123456", "adapter" => "pdo_pgsql", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "sys_data", "schema" => "public", "connection_adapter" => "pdo", "sql_adapter" => "pgsql"), array("host" => "10.0.0.3", "port" => 5432, "username" => "root", "password" => "123456", "adapter" => "pdo_pgsql", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "sys_data", "schema" => "public", "connection_adapter" => "pdo", "sql_adapter" => "pgsql")))), "user_group" => array("user_node_1" => array("master" => array(array("host" => "10.0.1.1", "port" => 3306, "username" => "root", "password" => "123456", "adapter" => "mysqli", "charset" => "UTF-8", "pconnect" => false, "connection_ttl" => 30, "dbname" => null, "schema" => "member_1", "connection_adapter" => "mysqli", "sql_adapter" => "mysql")), "slave" => array(array("host" => "10.0.1.1", "port" => 3307, "username" => "root", "password" => "123456", "adapter" => "mysqli", "charset" => "UTF-8", "pconnect" => false, "connection_ttl" => 30, "dbname" => null, "schema" => "member_1", "connection_adapter" => "mysqli", "sql_adapter" => "mysql"))), "user_node_2" => array("master" => array(array("host" => "10.0.1.1", "port" => 3306, "username" => "root", "password" => "123456", "adapter" => "mysqli", "charset" => "UTF-8", "pconnect" => false, "connection_ttl" => 30, "dbname" => null, "schema" => "member_2", "connection_adapter" => "mysqli", "sql_adapter" => "mysql")), "slave" => array(array("host" => "10.0.1.1", "port" => 3307, "username" => "root", "password" => "123456", "adapter" => "mysqli", "charset" => "UTF-8", "pconnect" => false, "connection_ttl" => 30, "dbname" => null, "schema" => "member_2", "connection_adapter" => "mysqli", "sql_adapter" => "mysql")))), "trade_group" => array("trade_node_1" => array("master" => array(array("host" => "10.0.2.1", "port" => 1521, "username" => "root", "password" => "123456", "adapter" => "oci", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "finance", "schema" => "trade", "connection_adapter" => "oci", "sql_adapter" => "oracle"), array("host" => "10.0.2.2", "port" => 1521, "username" => "root", "password" => "123456", "adapter" => "oci", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "finance", "schema" => "trade", "connection_adapter" => "oci", "sql_adapter" => "oracle"))), "trade_node_2" => array("master" => array(array("host" => "10.0.2.3", "port" => 1521, "username" => "root", "password" => "123456", "adapter" => "oci", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "finance", "schema" => "trade", "connection_adapter" => "oci", "sql_adapter" => "oracle"), array("host" => "10.0.2.4", "port" => 1521, "username" => "root", "password" => "123456", "adapter" => "oci", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "finance", "schema" => "trade", "connection_adapter" => "oci", "sql_adapter" => "oracle"))), "trade_node_3" => array("master" => array(array("host" => "10.0.2.5", "port" => 1521, "username" => "root", "password" => "123456", "adapter" => "oci", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "finance", "schema" => "trade", "connection_adapter" => "oci", "sql_adapter" => "oracle"), array("host" => "10.0.2.6", "port" => 1521, "username" => "root", "password" => "123456", "adapter" => "oci", "charset" => "UTF-8", "pconnect" => true, "connection_ttl" => 3600, "dbname" => "finance", "schema" => "trade", "connection_adapter" => "oci", "sql_adapter" => "oracle"))))), $dcb->getServers());
//end $this->assertEquals
}
<?php
$dcb = new LtDbConfigBuilder();
$dcb->addHost("user_group", "user_node_1", "master", array("host" => "10.0.1.1", "password" => "123456", "adapter" => "mysqli", "dbname" => "member_1"));
$dcb->addHost("group_1", "node_0", "master", array("adapter" => "sqlite", "host" => '/tmp/Lotus/DBSqlite/', "port" => '', "password" => "", "dbname" => 'sqlite_test0.db', 'pconnect' => ''));
$dcb->addHost("group_1", "node_1", "master", array("adapter" => "pdo_sqlite", "host" => '/tmp/Lotus/DBSqlite/', "port" => '', "password" => "", "dbname" => 'sqlite_test1.db', 'pconnect' => '', 'sqlite_version' => 'sqlite2'));
$dcb->addHost("group_8", "node_8", "master", array("adapter" => "mysql", "host" => 'localhost', "port" => '', 'username' => 'root', "password" => "123456", "dbname" => 'test'));
$config["db.servers"] = $dcb->getServers();
<?php
$host = substr(dirname(__FILE__), 0, strpos(__FILE__, "Admin")) . 'data/';
$dbname = 'publish.db';
$singlehost = array("adapter" => "sqlite", "host" => $host, "port" => '', "password" => "", "dbname" => $dbname, 'pconnect' => false);
$dcb = new LtDbConfigBuilder();
$dcb->addSingleHost($singlehost);
$config["db.servers"] = $dcb->getServers();
<?php
// Build DB Config array
$dbConfigBuild = new LtDbConfigBuilder();
// 部署分布式数据库
$dbConfigBuild->addHost("Publish", "Admin", "master", array("adapter" => "pdo_mysql", "host" => 'localhost', "port" => '', "password" => "123456", "dbname" => 'projectdb'));
$dbConfigBuild->addHost("Publish", "Admin", "slave", array("adapter" => "pdo_mysql", "host" => 'localhost', "port" => '', "password" => "123456", "dbname" => 'projectdb'));
// 指定数据库配置数组
$config["db.servers"] = $dbConfigBuild->getServers();
<?php
// Build DB Config array
$dbConfigBuild = new LtDbConfigBuilder();
// 部署分布式数据库
$dbConfigBuild->addHost("WebIM", "Backend", "master", array("adapter" => "pdo_mysql", "host" => '10.0.247.179', "port" => '3306', "password" => "123456", "username" => 'odd_user', "dbname" => 'odd_db'));
$dbConfigBuild->addHost("WebIM", "Backend", "slave", array("adapter" => "pdo_mysql", "host" => '10.0.247.179', "port" => '3306', "password" => "123456", "username" => 'odd_user', "dbname" => 'odd_db'));
// 指定数据库配置数组
$config["db.servers"] = $dbConfigBuild->getServers();