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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik;
use Exception;
use Piwik\Db\Adapter;
use Piwik\Db\Schema;
/**
* Contains database related helper functions.
*/
class DbHelper
{
/**
* Get list of tables installed
*
* @param bool $forceReload Invalidate cache
* @return array Tables installed
*/
public static function getTablesInstalled($forceReload = true)
{
return Schema::getInstance()->getTablesInstalled($forceReload);
}
/**
* Creates a new table in the database.
*
* Example:
* ```
* $tableDefinition = "`age` INT(11) NOT NULL AUTO_INCREMENT,
* `name` VARCHAR(255) NOT NULL";
*
* DbHelper::createTable('tablename', $tableDefinition);
* ``
*
* @param string $nameWithoutPrefix The name of the table without any piwik prefix.
* @param string $createDefinition The table create definition
*
* @api
*/
public static function createTable($nameWithoutPrefix, $createDefinition)
{
Schema::getInstance()->createTable($nameWithoutPrefix, $createDefinition);
}
/**
* Returns true if Piwik is installed
*
* @since 0.6.3
*
* @return bool True if installed; false otherwise
*/
public static function isInstalled()
{
try {
return Schema::getInstance()->hasTables();
} catch (Exception $e) {
return false;
}
}
/**
* Truncate all tables
*/
public static function truncateAllTables()
{
Schema::getInstance()->truncateAllTables();
}
/**
* Creates an entry in the User table for the "anonymous" user.
*/
public static function createAnonymousUser()
{
Schema::getInstance()->createAnonymousUser();
}
/**
* Create all tables
*/
public static function createTables()
{
Schema::getInstance()->createTables();
}
/**
* Drop database, used in tests
*/
public static function dropDatabase($dbName = null)
{
if (defined('PIWIK_TEST_MODE') && PIWIK_TEST_MODE) {
Schema::getInstance()->dropDatabase($dbName);
}
}
/**
* Check database connection character set is utf8.
*
* @return bool True if it is (or doesn't matter); false otherwise
*/
public static function isDatabaseConnectionUTF8()
{
return Db::get()->isConnectionUTF8();
}
/**
* Checks the database server version against the required minimum
* version.
*
* @see config/global.ini.php
* @since 0.4.4
* @throws Exception if server version is less than the required version
*/
public static function checkDatabaseVersion()
{
Db::get()->checkServerVersion();
}
/**
* Disconnect from database
*/
public static function disconnectDatabase()
{
Db::get()->closeConnection();
}
/**
* Create database
*
* @param string|null $dbName
*/
public static function createDatabase($dbName = null)
{
Schema::getInstance()->createDatabase($dbName);
}
/**
* Get the SQL to create Piwik tables
*
* @return array array of strings containing SQL
*/
public static function getTablesCreateSql()
{
return Schema::getInstance()->getTablesCreateSql();
}
/**
* Get the SQL to create a specific Piwik table
*
* @param string $tableName
* @return string SQL
*/
public static function getTableCreateSql($tableName)
{
return Schema::getInstance()->getTableCreateSql($tableName);
}
}
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