153 lines
2.9 KiB
PHP
153 lines
2.9 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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* PostgreSQL specifc class
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*
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* @extends DB_PDO
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*/
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class pgSQL extends DB_PDO {
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/**
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* Connect to a PosgreSQL 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 $options=array()
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*/
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function __construct($dsn, $username=null, $password=null, $options=array())
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{
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parent::__construct("pgsql:$dsn", $username, $password, $options);
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//Get db manip class
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$class = __CLASS__.'_manip';
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$this->manip = new $class;
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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 $table
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*/
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function truncate($table)
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{
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$sql = 'TRUNCATE "' . $table . '"';
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$this->query($sql);
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}
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/**
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* Get list of databases for the current connection
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*
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* @return array
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*/
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function get_dbs()
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{
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$sql = "SELECT datname FROM pg_database WHERE datname NOT IN ('template0','template1') ORDER BY 1";
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$res = $this->query($sql);
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$dbs = $res->fetchAll(PDO::FETCH_ASSOC);
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return $dbs;
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}
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/**
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* Get the list of tables for the current db
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*
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* @return array
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*/
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function get_tables()
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{
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$sql = 'SELECT "tablename" FROM "pg_tables"
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WHERE "tablename" NOT LIKE pg\_%
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AND "tablename" NOT LIKE sql\%';
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$res = $this->query($sql);
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$tables = $res->fetchAll(PDO::FETCH_ASSOC);
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return $tables;
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}
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/**
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* Get the list of system tables
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*
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* @return array
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*/
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function get_system_tables()
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{
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$sql = 'SELECT "tablename" FROM "pg_tables"
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WHERE "tablename" LIKE \'pg\_%\'
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OR "tablename" LIKE \'sql\%\'';
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$res = $this->query($sql);
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$tables = $res->fetchAll(PDO::FETCH_ASSOC);
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return $tables;
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}
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/**
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* Get a list of schemas, either for the current connection, or
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* for the current datbase, if specified.
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*
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* @param string $database=""
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* @return array
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*/
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function get_schemas($database="")
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{
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if($database === "")
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{
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$sql = 'SELECT DISTINCT "schemaname" FROM pg_tables
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WHERE "schemaname" NOT LIKE \'pg\_%\'';
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}
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$sql = 'SELECT DISTINCT "schemaname" FROM pg_tables
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WHERE "schemaname" NOT LIKE \'pg\_%\'';
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$res = $this->query($sql);
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$schemas = $res->fetchAll(PDO::FETCH_ASSOC);
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return $schemas;
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}
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/**
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* Get a list of views for the current db
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*
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* @return array
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*/
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function get_views()
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{
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$sql = 'SELECT "viewname" FROM "pg_views"
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WHERE viewname NOT LIKE pg\_%';
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$res = $this->query($sql);
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$views = $res->fetchAll(PDO::FETCH_ASSOC);
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return $views;
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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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function num_rows()
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{
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// TODO: Implement
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}
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}
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//End of pgsql.php
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