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OpenSQLManager/sys/db/drivers/mysql/mysql.php

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<?php
/**
* OpenSQLManager
*
* Free Database manager for Open Source Databases
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
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* @license http://philsturgeon.co.uk/code/dbad-license
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*/
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// --------------------------------------------------------------------------
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/**
* MySQL specific class
*
* @extends DB_PDO
*/
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class MySQL extends DB_PDO {
/**
* Connect to MySQL Database
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*
* @param string $dsn
* @param string $username=null
* @param string $password=null
* @param array $options=array()
*/
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public function __construct($dsn, $username=null, $password=null, $options=array())
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{
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parent::__construct("mysql:$dsn", $username, $password, $options);
$class = __CLASS__.'_sql';
$this->sql = new $class;
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}
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// --------------------------------------------------------------------------
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/**
* Empty a table
*
* @param string $table
*/
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public function truncate($table)
{
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$this->query("TRUNCATE `{$table}`");
}
// --------------------------------------------------------------------------
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/**
* Get databases for the current connection
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*
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* @return array
*/
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public function get_dbs()
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{
$res = $this->query("SHOW DATABASES WHERE `Database` !='information_schema'");
return db_filter(array_values($res->fetchAll(PDO::FETCH_ASSOC)), 'Database');
}
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// --------------------------------------------------------------------------
/**
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* Returns the tables available in the current database
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*
* @return array
*/
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public function get_tables()
{
$res = $this->query('SHOW TABLES');
return db_filter($res->fetchAll(PDO::FETCH_NUM), 0);
}
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// --------------------------------------------------------------------------
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/**
* Get list of views for the current database
*
* @return array
*/
public function get_views()
{
$res = $this->query('SELECT `table_name` FROM `information_schema`.`views`');
return db_filter($res->fetchAll(PDO::FETCH_NUM), 'table_name');
}
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// --------------------------------------------------------------------------
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/**
* Not applicable to MySQL
*
* @return FALSE
*/
public function get_sequences()
{
return FALSE;
}
// --------------------------------------------------------------------------
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/**
* Return list of custom functions for the current database
*
* @return array
*/
public function get_functions()
{
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$res = $this->query('SHOW FUNCTION STATUS');
return $res->fetchAll(PDO::FETCH_ASSOC);
}
// --------------------------------------------------------------------------
/**
* Retrun list of stored procedures for the current database
*
* @return array
*/
public function get_procedures()
{
$res = $this->query('SHOW PROCEDURE STATUS');
return $res->fetchAll(PDO::FETCH_ASSOC);
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}
// --------------------------------------------------------------------------
/**
* Return list of triggers for the current database
*
* @return array
*/
public function get_triggers()
{
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$res = $this->query('SHOW TRIGGERS');
return $res->fetchAll(PDO::FETCH_ASSOC);
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}
// --------------------------------------------------------------------------
/**
* Returns system tables for the current database
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*
* @return array
*/
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public function get_system_tables()
{
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return array('information_schema');
}
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// --------------------------------------------------------------------------
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/**
* Return the number of rows returned for a SELECT query
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*
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* @return int
*/
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public function num_rows()
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{
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return isset($this->statement) ? $this->statement->rowCount() : FALSE;
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}
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// --------------------------------------------------------------------------
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/**
* Create an SQL backup file for the current database's structure
*
* @return string
*/
public function backup_structure()
{
// @todo Implement Backup function
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return '';
}
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// --------------------------------------------------------------------------
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/**
* Create an SQL backup file for the current database's data
*
* @return string
*/
public function backup_data()
{
// @todo Implement Backup function
return '';
}
// --------------------------------------------------------------------------
/**
* Surrounds the string with the databases identifier escape characters
*
* @param string $ident
* @return string
*/
public function quote_ident($ident)
{
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if (is_array($ident))
{
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return array_map(array($this, 'quote_ident'), $ident);
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}
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// Split each identifier by the period
$hiers = explode('.', $ident);
return '`'.implode('`.`', $hiers).'`';
}
}
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//End of mysql.php