Source of file Driver.php
Size: 1,741 Bytes - Last Modified: 2019-12-11T13:47:53-05:00
src/Drivers/Pgsql/Driver.php
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889 | <?php declare(strict_types=1); /** * Query * * SQL Query Builder / Database Abstraction Layer * * PHP version 7.1 * * @package Query * @author Timothy J. Warren <tim@timshomepage.net> * @copyright 2012 - 2018 Timothy J. Warren * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link https://git.timshomepage.net/aviat4ion/Query */ namespace Query\Drivers\Pgsql; use Query\Drivers\AbstractDriver; /** * PostgreSQL specific class */ class Driver extends AbstractDriver { /** * Connect to a PosgreSQL database * * @codeCoverageIgnore * @param string $dsn * @param string $username * @param string $password * @param array $options */ public function __construct(string $dsn, string $username=NULL, string $password=NULL, array $options=[]) { if (strpos($dsn, 'pgsql') === FALSE) { $dsn = 'pgsql:'.$dsn; } parent::__construct($dsn, $username, $password, $options); } /** * Get a list of schemas for the current connection * * @return array */ public function getSchemas(): ?array { $sql = <<<SQL SELECT DISTINCT "schemaname" FROM "pg_tables" WHERE "schemaname" NOT LIKE 'pg\_%' AND "schemaname" != 'information_schema' SQL; return $this->driverQuery($sql); } /** * Retrieve foreign keys for the table * * @param string $table * @return array */ public function getFks($table): array { $valueMap = [ 'c' => 'CASCADE', 'r' => 'RESTRICT', ]; $keys = parent::getFks($table); foreach($keys as &$key) { foreach(['update', 'delete'] AS $type) { if ( ! isset($valueMap[$key[$type]])) { continue; } $key[$type] = $valueMap[$key[$type]]; } } return $keys; } } |