<?php /** * OpenSQLManager * * Free Database manager for Open Source Databases * * @author Timothy J. Warren * @copyright Copyright (c) 2012 * @link https://github.com/aviat4ion/OpenSQLManager * @license http://philsturgeon.co.uk/code/dbad-license */ // -------------------------------------------------------------------------- /** * PostgreSQL specifc class * * @extends DB_PDO */ class pgSQL extends DB_PDO { /** * Connect to a PosgreSQL database * * @param string $dsn * @param string $username=null * @param string $password=null * @param array $options=array() */ public function __construct($dsn, $username=null, $password=null, $options=array()) { parent::__construct("pgsql:$dsn", $username, $password, $options); //Get db manip class $class = __CLASS__.'_sql'; $this->sql = new $class; } // -------------------------------------------------------------------------- /** * Empty a table * * @param string $table */ public function truncate($table) { $sql = 'TRUNCATE "' . $table . '"'; $this->query($sql); } // -------------------------------------------------------------------------- /** * Get list of databases for the current connection * * @return array */ public function get_dbs() { $sql = <<<SQL SELECT "datname" FROM "pg_database" WHERE "datname" NOT IN ('template0','template1') ORDER BY 1 SQL; $res = $this->query($sql); $dbs = $res->fetchAll(PDO::FETCH_ASSOC); return $dbs; } // -------------------------------------------------------------------------- /** * Get the list of tables for the current db * * @return array */ public function get_tables() { $sql = <<<SQL SELECT "tablename" FROM "pg_tables" WHERE "tablename" NOT LIKE 'pg\_%' AND "tablename" NOT LIKE 'sql\%' SQL; $res = $this->query($sql); $tables = $res->fetchAll(PDO::FETCH_ASSOC); return $tables; } // -------------------------------------------------------------------------- /** * Get the list of system tables * * @return array */ public function get_system_tables() { $sql = <<<SQL SELECT "tablename" FROM "pg_tables" WHERE "tablename" LIKE 'pg\_%' OR "tablename" LIKE 'sql\%' SQL; $res = $this->query($sql); $tables = $res->fetchAll(PDO::FETCH_ASSOC); return $tables; } // -------------------------------------------------------------------------- /** * Get a list of schemas, either for the current connection, or * for the current datbase, if specified. * * @param string $database="" * @return array */ public function get_schemas($database="") { if($database === "") { $sql = <<<SQL SELECT DISTINCT "schemaname" FROM "pg_tables" WHERE "schemaname" NOT LIKE 'pg\_%' SQL; } $sql = <<<SQL SELECT "nspname" FROM pg_namespace WHERE "nspname" NOT LIKE 'pg\_%' SQL; $res = $this->query($sql); $schemas = $res->fetchAll(PDO::FETCH_ASSOC); return $schemas; } // -------------------------------------------------------------------------- /** * Get a list of views for the current db * * @return array */ public function get_views() { $sql = <<<SQL SELECT "viewname" FROM "pg_views" WHERE "viewname" NOT LIKE 'pg\_%'; SQL; $res = $this->query($sql); $views = $res->fetchAll(PDO::FETCH_ASSOC); return $views; } // -------------------------------------------------------------------------- /** * Return the number of rows returned for a SELECT query * * @return int */ public function num_rows() { return (isset($this->statement)) ? $this->statement->rowCount : FALSE; } // -------------------------------------------------------------------------- /** * Create an SQL backup file for the current database's structure * * @return string */ public function backup_structure() { // @todo Implement Backup function return ''; } // -------------------------------------------------------------------------- /** * Create an SQL backup file for the current database's data * * @return string */ public function backup_data() { // @todo Implement Backup function return ''; } } //End of pgsql.php