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OpenSQLManager/sys/db/drivers/pgsql/pgsql_driver.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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// --------------------------------------------------------------------------
/**
* PostgreSQL specifc class
*
* @extends DB_PDO
*/
class pgSQL extends DB_PDO {
/**
* Connect to a PosgreSQL 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, $options=array())
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{
parent::__construct("pgsql:$dsn", $username, $password, $options);
//Get db manip class
$class = __CLASS__.'_sql';
$this->sql = new $class;
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}
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// --------------------------------------------------------------------------
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/**
* Connect to a different database
*
* @param string $name
*/
public function switch_db($name)
{
// @todo Implement
return FALSE;
}
// --------------------------------------------------------------------------
/**
* Empty a table
*
* @param string $table
*/
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public function truncate($table)
{
$sql = 'TRUNCATE "' . $table . '"';
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$this->query($sql);
}
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// --------------------------------------------------------------------------
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/**
* Return the number of rows returned for a SELECT query
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*
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* @return int
*/
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public function num_rows()
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{
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return (isset($this->statement)) ? $this->statement->rowCount : FALSE;
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}
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// --------------------------------------------------------------------------
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/**
* Get a list of schemas for the current connection
*
* @return array
*/
public function get_schemas()
{
$sql = <<<SQL
SELECT DISTINCT "schemaname" FROM "pg_tables"
WHERE "schemaname" NOT LIKE 'pg\_%'
AND "schemaname" != 'information_schema'
SQL;
return $this->driver_query($sql);
}
}
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//End of pgsql_driver.php