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<?php
/**
* Piwik - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Db;
use Piwik\Config;
use Piwik\Singleton;
/**
* Schema abstraction
*
* Note: no relation to the ZF proposals for Zend_Db_Schema_Manager
*
* @method static \Piwik\Db\Schema getInstance()
*/
class Schema extends Singleton
{
const DEFAULT_SCHEMA = 'Mysql';
/**
* Type of database schema
*
* @var string
*/
private $schema = null;
/**
* Get schema class name
*
* @param string $schemaName
* @return string
*/
private static function getSchemaClassName($schemaName)
{
// Upgrade from pre 2.0.4
if (strtolower($schemaName) == 'myisam'
|| empty($schemaName)) {
$schemaName = self::DEFAULT_SCHEMA;
}
$class = str_replace(' ', '\\', ucwords(str_replace('_', ' ', strtolower($schemaName))));
return '\Piwik\Db\Schema\\' . $class;
}
/**
* Load schema
*/
private function loadSchema()
{
$config = Config::getInstance();
$dbInfos = $config->database;
$schemaName = trim($dbInfos['schema']);
$className = self::getSchemaClassName($schemaName);
$this->schema = new $className();
}
/**
* Returns an instance that subclasses Schema
*
* @return \Piwik\Db\SchemaInterface
*/
private function getSchema()
{
if ($this->schema === null) {
$this->loadSchema();
}
return $this->schema;
}
/**
* Get the SQL to create a specific Piwik table
*
* @param string $tableName name of the table to create
* @return string SQL
*/
public function getTableCreateSql($tableName)
{
return $this->getSchema()->getTableCreateSql($tableName);
}
/**
* Get the SQL to create Piwik tables
*
* @return array array of strings containing SQL
*/
public function getTablesCreateSql()
{
return $this->getSchema()->getTablesCreateSql();
}
/**
* Creates a new table in the database.
*
* @param string $nameWithoutPrefix The name of the table without any piwik prefix.
* @param string $createDefinition The table create definition
*/
public function createTable($nameWithoutPrefix, $createDefinition)
{
$this->getSchema()->createTable($nameWithoutPrefix, $createDefinition);
}
/**
* Create database
*
* @param null|string $dbName database name to create
*/
public function createDatabase($dbName = null)
{
$this->getSchema()->createDatabase($dbName);
}
/**
* Drop database
*/
public function dropDatabase($dbName = null)
{
$this->getSchema()->dropDatabase($dbName);
}
/**
* Create all tables
*/
public function createTables()
{
$this->getSchema()->createTables();
}
/**
* Creates an entry in the User table for the "anonymous" user.
*/
public function createAnonymousUser()
{
$this->getSchema()->createAnonymousUser();
}
/**
* Records the Matomo version a user used when installing this Matomo for the first time
*/
public function recordInstallVersion()
{
$this->getSchema()->recordInstallVersion();
}
/**
* Returns which Matomo version was used to install this Matomo for the first time.
*/
public function getInstallVersion()
{
return $this->getSchema()->getInstallVersion();
}
/**
* Truncate all tables
*/
public function truncateAllTables()
{
$this->getSchema()->truncateAllTables();
}
/**
* Names of all the prefixed tables in piwik
* Doesn't use the DB
*
* @return array Table names
*/
public function getTablesNames()
{
return $this->getSchema()->getTablesNames();
}
/**
* Get list of tables installed
*
* @param bool $forceReload Invalidate cache
* @return array installed tables
*/
public function getTablesInstalled($forceReload = true)
{
return $this->getSchema()->getTablesInstalled($forceReload);
}
/**
* Get list of installed columns in a table
*
* @param string $tableName The name of a table.
*
* @return array Installed columns indexed by the column name.
*/
public function getTableColumns($tableName)
{
return $this->getSchema()->getTableColumns($tableName);
}
/**
* Returns true if Piwik tables exist
*
* @return bool True if tables exist; false otherwise
*/
public function hasTables()
{
return $this->getSchema()->hasTables();
}
}
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