summaryrefslogtreecommitdiffstats
path: root/system/database/drivers/sqlite/sqlite_driver.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/database/drivers/sqlite/sqlite_driver.php')
-rw-r--r--system/database/drivers/sqlite/sqlite_driver.php357
1 files changed, 0 insertions, 357 deletions
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
deleted file mode 100644
index 9d9caa0b4..000000000
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ /dev/null
@@ -1,357 +0,0 @@
-<?php
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP
- *
- * This content is released under the MIT License (MIT)
- *
- * Copyright (c) 2014 - 2015, British Columbia Institute of Technology
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- * @package CodeIgniter
- * @author EllisLab Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
- * @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
- * @license http://opensource.org/licenses/MIT MIT License
- * @link http://codeigniter.com
- * @since Version 1.3.0
- * @filesource
- */
-defined('BASEPATH') OR exit('No direct script access allowed');
-
-/**
- * SQLite Database Adapter Class
- *
- * Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the query builder
- * class is being used or not.
- *
- * @package CodeIgniter
- * @subpackage Drivers
- * @category Database
- * @author EllisLab Dev Team
- * @link http://codeigniter.com/user_guide/database/
- */
-class CI_DB_sqlite_driver extends CI_DB {
-
- /**
- * Database driver
- *
- * @var string
- */
- public $dbdriver = 'sqlite';
-
- // --------------------------------------------------------------------
-
- /**
- * ORDER BY random keyword
- *
- * @var array
- */
- protected $_random_keyword = array('RANDOM()', 'RANDOM()');
-
- // --------------------------------------------------------------------
-
- /**
- * Non-persistent database connection
- *
- * @param bool $persistent
- * @return resource
- */
- public function db_connect($persistent = FALSE)
- {
- $error = NULL;
- $conn_id = ($persistent === TRUE)
- ? sqlite_popen($this->database, 0666, $error)
- : sqlite_open($this->database, 0666, $error);
-
- isset($error) && log_message('error', $error);
-
- return $conn_id;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Database version number
- *
- * @return string
- */
- public function version()
- {
- return isset($this->data_cache['version'])
- ? $this->data_cache['version']
- : $this->data_cache['version'] = sqlite_libversion();
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Execute the query
- *
- * @param string $sql an SQL query
- * @return resource
- */
- protected function _execute($sql)
- {
- return $this->is_write_type($sql)
- ? sqlite_exec($this->conn_id, $sql)
- : sqlite_query($this->conn_id, $sql);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Begin Transaction
- *
- * @param bool $test_mode
- * @return bool
- */
- public function trans_begin($test_mode = FALSE)
- {
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
- {
- return TRUE;
- }
-
- // Reset the transaction failure flag.
- // If the $test_mode flag is set to TRUE transactions will be rolled back
- // even if the queries produce a successful result.
- $this->_trans_failure = ($test_mode === TRUE);
-
- $this->simple_query('BEGIN TRANSACTION');
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Commit Transaction
- *
- * @return bool
- */
- public function trans_commit()
- {
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
- {
- return TRUE;
- }
-
- $this->simple_query('COMMIT');
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Rollback Transaction
- *
- * @return bool
- */
- public function trans_rollback()
- {
- // When transactions are nested we only begin/commit/rollback the outermost ones
- if ( ! $this->trans_enabled OR $this->_trans_depth > 0)
- {
- return TRUE;
- }
-
- $this->simple_query('ROLLBACK');
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Platform-dependant string escape
- *
- * @param string
- * @return string
- */
- protected function _escape_str($str)
- {
- return sqlite_escape_string($str);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Affected Rows
- *
- * @return int
- */
- public function affected_rows()
- {
- return sqlite_changes($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Insert ID
- *
- * @return int
- */
- public function insert_id()
- {
- return sqlite_last_insert_rowid($this->conn_id);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * List table query
- *
- * Generates a platform-specific query string so that the table names can be fetched
- *
- * @param bool $prefix_limit
- * @return string
- */
- protected function _list_tables($prefix_limit = FALSE)
- {
- $sql = "SELECT name FROM sqlite_master WHERE type='table'";
-
- if ($prefix_limit !== FALSE && $this->dbprefix != '')
- {
- return $sql." AND 'name' LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
- }
-
- return $sql;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Show column query
- *
- * Generates a platform-specific query string so that the column names can be fetched
- *
- * @param string $table
- * @return bool
- */
- protected function _list_columns($table = '')
- {
- // Not supported
- return FALSE;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Returns an object with field data
- *
- * @param string $table
- * @return array
- */
- public function field_data($table)
- {
- if (($query = $this->query('PRAGMA TABLE_INFO('.$this->protect_identifiers($table, TRUE, NULL, FALSE).')')) === FALSE)
- {
- return FALSE;
- }
-
- $query = $query->result_array();
- if (empty($query))
- {
- return FALSE;
- }
-
- $retval = array();
- for ($i = 0, $c = count($query); $i < $c; $i++)
- {
- $retval[$i] = new stdClass();
- $retval[$i]->name = $query[$i]['name'];
- $retval[$i]->type = $query[$i]['type'];
- $retval[$i]->max_length = NULL;
- $retval[$i]->default = $query[$i]['dflt_value'];
- $retval[$i]->primary_key = isset($query[$i]['pk']) ? (int) $query[$i]['pk'] : 0;
- }
-
- return $retval;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Error
- *
- * Returns an array containing code and message of the last
- * database error that has occured.
- *
- * @return array
- */
- public function error()
- {
- $error = array('code' => sqlite_last_error($this->conn_id));
- $error['message'] = sqlite_error_string($error['code']);
- return $error;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Replace statement
- *
- * Generates a platform-specific replace string from the supplied data
- *
- * @param string $table Table name
- * @param array $keys INSERT keys
- * @param array $values INSERT values
- * @return string
- */
- protected function _replace($table, $keys, $values)
- {
- return 'INSERT OR '.parent::_replace($table, $keys, $values);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Truncate statement
- *
- * Generates a platform-specific truncate string from the supplied data
- *
- * If the database does not support the TRUNCATE statement,
- * then this function maps to 'DELETE FROM table'
- *
- * @param string $table
- * @return string
- */
- protected function _truncate($table)
- {
- return 'DELETE FROM '.$table;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Close DB Connection
- *
- * @return void
- */
- protected function _close()
- {
- sqlite_close($this->conn_id);
- }
-
-}