95 lines
1.9 KiB
PHP
95 lines
1.9 KiB
PHP
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<?php
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/**
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* Query
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*
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* Free Query Builder / Database Abstraction Layer
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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/Query
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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 $options=array()
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*/
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public function __construct($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__.'_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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* Connect to a different database
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*
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* @param string $name
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*/
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public function switch_db($name)
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{
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// @todo Implement
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return FALSE;
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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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$sql = 'TRUNCATE "' . $table . '"';
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$this->query($sql);
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}
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// --------------------------------------------------------------------------
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/**
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* Return the number of rows returned for a SELECT query
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*
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* @return int
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*/
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public function num_rows()
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{
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return (isset($this->statement)) ? $this->statement->rowCount : FALSE;
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}
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// --------------------------------------------------------------------------
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/**
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* Get a list of schemas for the current connection
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*
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* @return array
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*/
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public function get_schemas()
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{
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$sql = <<<SQL
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SELECT DISTINCT "schemaname" FROM "pg_tables"
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WHERE "schemaname" NOT LIKE 'pg\_%'
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AND "schemaname" != 'information_schema'
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SQL;
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return $this->driver_query($sql);
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}
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}
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//End of pgsql_driver.php
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