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e1ee58816b
Before, we had 5 classes in the ModelPdo file. It was bad for 2 reasons. The first reason is that it is considered bad practice to have multiple class in one file. This is especially true when using autoloading. On top of that it is less readable considering the size of the file. The second reason is that so far we were lucky. Everytime we needed to access the database, it was through the ModelPdo class which loads all the other classes. If we want to access directly the connection, it wont be loaded. On top of that, the system is configured to work on a single database, but as we have every connection definition in a single file, all classes were loaded at the same time. Thus using memory and processing time for nothing. Now, we have a file for each class. To work with autoloading, classes were slightly renamed to match autoloading rules.
53 lines
1.4 KiB
PHP
53 lines
1.4 KiB
PHP
<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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abstract class Minz_Pdo extends PDO {
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public function __construct($dsn, $username = null, $passwd = null, $options = null) {
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parent::__construct($dsn, $username, $passwd, $options);
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$this->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
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}
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abstract public function dbType();
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private $prefix = '';
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public function prefix() { return $this->prefix; }
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public function setPrefix($prefix) { $this->prefix = $prefix; }
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private function autoPrefix($sql) {
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return str_replace('`_', '`' . $this->prefix, $sql);
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}
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protected function preSql($statement) {
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if (preg_match('/^(?:UPDATE|INSERT|DELETE)/i', $statement)) {
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invalidateHttpCache();
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}
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return $this->autoPrefix($statement);
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}
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public function lastInsertId($name = null) {
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if ($name != null) {
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$name = $this->preSql($name);
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}
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return parent::lastInsertId($name);
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}
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public function prepare($statement, $driver_options = array()) {
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$statement = $this->preSql($statement);
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return parent::prepare($statement, $driver_options);
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}
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public function exec($statement) {
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$statement = $this->preSql($statement);
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return parent::exec($statement);
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}
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public function query($query, $fetch_mode = null, ...$fetch_mode_args) {
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$query = $this->preSql($query);
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return $fetch_mode ? parent::query($query, $fetch_mode, ...$fetch_mode_args) : parent::query($query);
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}
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}
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