Merge pull request #8890 from piwik/unused_code

removed unused schema code that uses SHOW ENGINES which can fail when PROCESS not granted

core/Db/Schema.php

@@ -47,69 +47,6 @@ class Schema extends Singleton
         return '\Piwik\Db\Schema\\' . $class;
     }
 
-    /**
-     * Get list of schemas
-     *
-     * @param string $adapterName
-     * @return array
-     */
-    public static function getSchemas($adapterName)
-    {
-        static $allSchemaNames = array(
-            'MYSQL' => array(
-                self::DEFAULT_SCHEMA,
-                // InfiniDB
-            ),
-
-            // Microsoft SQL Server
-//			'MSSQL' => array( 'Mssql' ),
-
-            // PostgreSQL
-//			'PDO_PGSQL' => array( 'Pgsql' ),
-
-            // IBM DB2
-//			'IBM' => array( 'Ibm' ),
-
-            // Oracle
-//			'OCI' => array( 'Oci' ),
-        );
-
-        $adapterName = strtoupper($adapterName);
-        switch ($adapterName) {
-            case 'PDO\MYSQL':
-            case 'PDO_MYSQL':
-            case 'MYSQLI':
-                $adapterName = 'MYSQL';
-                break;
-
-            case 'PDO_MSSQL':
-            case 'SQLSRV':
-                $adapterName = 'MSSQL';
-                break;
-
-            case 'PDO_IBM':
-            case 'DB2':
-                $adapterName = 'IBM';
-                break;
-
-            case 'PDO_OCI':
-            case 'ORACLE':
-                $adapterName = 'OCI';
-                break;
-        }
-        $schemaNames = $allSchemaNames[$adapterName];
-
-        $schemas = array();
-
-        foreach ($schemaNames as $schemaName) {
-            $className = __NAMESPACE__ . '\\Schema\\' . $schemaName;
-            if (call_user_func(array($className, 'isAvailable'))) {
-                $schemas[] = $schemaName;
-            }
-        }
-
-        return $schemas;
-    }
 
     /**
      * Load schema

core/Db/Schema/Mysql.php

@@ -22,33 +22,6 @@ class Mysql implements SchemaInterface
 {
     private $tablesInstalled = null;
 
-    /**
-     * Is this MySQL storage engine available?
-     *
-     * @param string $engineName
-     * @return bool  True if available and enabled; false otherwise
-     */
-    private static function hasStorageEngine($engineName)
-    {
-        $db = Db::get();
-        $allEngines = $db->fetchAssoc('SHOW ENGINES');
-        if (array_key_exists($engineName, $allEngines)) {
-            $support = $allEngines[$engineName]['Support'];
-            return $support == 'DEFAULT' || $support == 'YES';
-        }
-        return false;
-    }
-
-    /**
-     * Is this schema available?
-     *
-     * @return bool  True if schema is available; false otherwise
-     */
-    public static function isAvailable()
-    {
-        return self::hasStorageEngine('InnoDB');
-    }
-
     /**
      * Get the SQL to create Piwik tables
      *

core/Db/SchemaInterface.php

@@ -14,13 +14,6 @@ namespace Piwik\Db;
  */
 interface SchemaInterface
 {
-    /**
-     * Is this schema available?
-     *
-     * @return bool  True if schema is available; false otherwise
-     */
-    public static function isAvailable();
-
     /**
      * Get the SQL to create a specific Piwik table
      *