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