PHP を使用して SuiteCRM データベースのパフォーマンスを最適化する方法

<?php
require_once('include/database/DBManagerFactory.php');
require_once('include/database/DBManager.php');

$dbManager = DBManagerFactory::getInstance();

$indexName = 'idx_first_name';
$tableName = $dbManager->getTableName('contacts');
$fieldName = 'first_name';

$indexExists = $dbManager->isIndexExists($tableName, $indexName);

if (!$indexExists) {
    $dbManager->addIndex($tableName, $fieldName, $indexName);
    echo "索引添加成功！";
} else {
    echo "索引已存在！";
}
?>

<?php
$memcached = new Memcached();
$memcached->addServer('127.0.0.1', 11211);

$cacheKey = 'contacts';

$data = $memcached->get($cacheKey);

if (!$data) {
    $data = fetchDataFromDatabase();
    $memcached->set($cacheKey, $data, 3600); // 缓存一小时
}

// 使用缓存的数据进行后续处理
?>

<?php
require_once('include/database/DBManagerFactory.php');
require_once('include/database/DBManager.php');

$dbManager = DBManagerFactory::getInstance();

$contactTableName = $dbManager->getTableName('contacts');
$accountTableName = $dbManager->getTableName('accounts');

$query = "SELECT * FROM $contactTableName c JOIN $accountTableName a ON c.account_id = a.id";

$result = $dbManager->query($query);

// 处理查询结果
?>