mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 19:38:26 +00:00
213e22b1a8
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@3450 3807eeeb-6ff5-0310-8944-8be069107fe0
423 lines
No EOL
10 KiB
PHP
423 lines
No EOL
10 KiB
PHP
<?php
|
|
/* SVN FILE: $Id$ */
|
|
|
|
/**
|
|
* SQLite layer for DBO
|
|
*
|
|
* Long description for file
|
|
*
|
|
* PHP versions 4 and 5
|
|
*
|
|
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
|
|
* Copyright (c) 2006, Cake Software Foundation, Inc.
|
|
* 1785 E. Sahara Avenue, Suite 490-204
|
|
* Las Vegas, Nevada 89104
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @filesource
|
|
* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
|
|
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.dbo
|
|
* @since CakePHP v 0.9.0
|
|
* @version $Revision$
|
|
* @modifiedby $LastChangedBy$
|
|
* @lastmodified $Date$
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
|
|
*/
|
|
|
|
/**
|
|
* Include DBO.
|
|
*/
|
|
uses('model'.DS.'datasources'.DS.'dbo_source');
|
|
|
|
/**
|
|
* DBO implementation for the SQLite DBMS.
|
|
*
|
|
* Long description for class
|
|
*
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.dbo
|
|
*/
|
|
class DboSqlite extends DboSource {
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $description = "SQLite DBO Driver";
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $startQuote = '"';
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $endQuote = '"';
|
|
/**
|
|
* Base configuration settings for SQLite driver
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_baseConfig = array(
|
|
'persistent' => true,
|
|
'database' => null,
|
|
'connect' => 'sqlite_popen'
|
|
);
|
|
/**
|
|
* SQLite column definition
|
|
*
|
|
* @var array
|
|
*/
|
|
var $columns = array(
|
|
'primary_key' => array('name' => 'integer primary key'),
|
|
'string' => array('name' => 'varchar', 'limit' => '255'),
|
|
'text' => array('name' => 'text'),
|
|
'integer' => array('name' => 'integer', 'limit' => '11', 'formatter' => 'intval'),
|
|
'float' => array('name' => 'float', 'formatter' => 'floatval'),
|
|
'datetime' => array('name' => 'timestamp', 'format' => 'YmdHis', 'formatter' => 'date'),
|
|
'timestamp' => array('name' => 'timestamp', 'format' => 'YmdHis', 'formatter' => 'date'),
|
|
'time' => array('name' => 'timestamp', 'format' => 'His', 'formatter' => 'date'),
|
|
'date' => array('name' => 'date', 'format' => 'Ymd', 'formatter' => 'date'),
|
|
'binary' => array('name' => 'blob'),
|
|
'boolean' => array('name' => 'integer', 'limit' => '1')
|
|
);
|
|
/**
|
|
* Connects to the database using config['database'] as a filename.
|
|
*
|
|
* @param array $config Configuration array for connecting
|
|
* @return mixed
|
|
*/
|
|
function connect() {
|
|
$config = $this->config;
|
|
$this->connection = $config['connect']($config['database']);
|
|
$this->connected = is_resource($this->connection);
|
|
return $this->connected;
|
|
}
|
|
/**
|
|
* Disconnects from database.
|
|
*
|
|
* @return boolean True if the database could be disconnected, else false
|
|
*/
|
|
function disconnect() {
|
|
$this->connected = !@sqlite_close($this->connection);
|
|
return !$this->connected;
|
|
}
|
|
/**
|
|
* Executes given SQL statement.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @return resource Result resource identifier
|
|
*/
|
|
function _execute($sql) {
|
|
return sqlite_query($this->connection, $sql);
|
|
}
|
|
/**
|
|
* Returns an array of tables in the database. If there are no tables, an error is raised and the application exits.
|
|
*
|
|
* @return array Array of tablenames in the database
|
|
*/
|
|
function listSources() {
|
|
$db = $this->config['database'];
|
|
$this->config['database'] = basename($this->config['database']);
|
|
|
|
$cache = parent::listSources();
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
|
|
$result = $this->fetchAll("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name;");
|
|
|
|
if (!$result || empty($result)) {
|
|
return array();
|
|
} else {
|
|
$tables = array();
|
|
foreach ($result as $table) {
|
|
$tables[] = $table[0]['name'];
|
|
}
|
|
parent::listSources($tables);
|
|
|
|
$this->config['database'] = $db;
|
|
return $tables;
|
|
}
|
|
$this->config['database'] = $db;
|
|
return array();
|
|
}
|
|
/**
|
|
* Returns an array of the fields in given table name.
|
|
*
|
|
* @param string $tableName Name of database table to inspect
|
|
* @return array Fields in table. Keys are name and type
|
|
*/
|
|
function describe(&$model) {
|
|
$cache = parent::describe($model);
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
$fields = array();
|
|
$result = $this->fetchAll('PRAGMA table_info(' . $model->tablePrefix . $model->table . ')');
|
|
|
|
foreach ($result as $column) {
|
|
$fields[] = array(
|
|
'name' => $column[0]['name'],
|
|
'type' => $this->column($column[0]['type']),
|
|
'null' => ! $column[0]['notnull'],
|
|
'default' => $column[0]['dflt_value']
|
|
);
|
|
}
|
|
|
|
$this->__cacheDescription($model->tablePrefix . $model->table, $fields);
|
|
return $fields;
|
|
}
|
|
/**
|
|
* Returns a quoted name of $data for use in an SQL statement.
|
|
*
|
|
* @param string $data Name (table.field) to be prepared for use in an SQL statement
|
|
* @return string Quoted for SQLite
|
|
*/
|
|
function name ($data) {
|
|
if ($data == '*') {
|
|
return '*';
|
|
}
|
|
$pos = strpos($data, '"');
|
|
if ($pos === false) {
|
|
$data = '"'. str_replace('.', '"."', $data) .'"';
|
|
}
|
|
return $data;
|
|
}
|
|
/**
|
|
* Returns a quoted and escaped string of $data for use in an SQL statement.
|
|
*
|
|
* @param string $data String to be prepared for use in an SQL statement
|
|
* @return string Quoted and escaped
|
|
*/
|
|
function value ($data, $column = null, $safe = false) {
|
|
$parent = parent::value($data, $column, $safe);
|
|
|
|
if ($parent != null) {
|
|
return $parent;
|
|
}
|
|
|
|
if ($data === null) {
|
|
return 'NULL';
|
|
}
|
|
|
|
if($data === '') {
|
|
return "''";
|
|
}
|
|
|
|
switch ($column) {
|
|
case 'boolean':
|
|
$data = $this->boolean((bool)$data);
|
|
break;
|
|
default:
|
|
if (ini_get('magic_quotes_gpc') == 1)
|
|
{
|
|
$data = stripslashes($data);
|
|
}
|
|
$data = sqlite_escape_string($data);
|
|
break;
|
|
}
|
|
return "'" . $data . "'";
|
|
}
|
|
/**
|
|
* Begin a transaction
|
|
*
|
|
* @param unknown_type $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions).
|
|
*/
|
|
function begin (&$model) {
|
|
if (parent::begin($model)) {
|
|
if ($this->execute('BEGIN')) {
|
|
$this->__transactionStarted = true;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Commit a transaction
|
|
*
|
|
* @param unknown_type $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
function commit (&$model) {
|
|
if (parent::commit($model)) {
|
|
$this->__transactionStarted;
|
|
return $this->execute('COMMIT');
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Rollback a transaction
|
|
*
|
|
* @param unknown_type $model
|
|
* @return boolean True on success, false on fail
|
|
* (i.e. if the database/model does not support transactions,
|
|
* or a transaction has not started).
|
|
*/
|
|
function rollback (&$model) {
|
|
if (parent::rollback($model)) {
|
|
return $this->execute('ROLLBACK');
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Returns a formatted error message from previous database operation.
|
|
*
|
|
* @return string Error message
|
|
*/
|
|
function lastError() {
|
|
$error = sqlite_last_error($this->connection);
|
|
if ($error) {
|
|
return $error.': '.sqlite_error_string($error);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns number of affected rows in previous database operation. If no previous operation exists, this returns false.
|
|
*
|
|
* @return int Number of affected rows
|
|
*/
|
|
function lastAffected() {
|
|
if ($this->_result) {
|
|
return sqlite_changes($this->connection);
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Returns number of rows in previous resultset. If no previous resultset exists,
|
|
* this returns false.
|
|
*
|
|
* @return int Number of rows in resultset
|
|
*/
|
|
function lastNumRows() {
|
|
if ($this->_result) {
|
|
sqlite_num_rows($this->_result);
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Returns the ID generated from the previous INSERT operation.
|
|
*
|
|
* @return int
|
|
*/
|
|
function lastInsertId() {
|
|
return sqlite_last_insert_rowid($this->connection);
|
|
}
|
|
/**
|
|
* Converts database-layer column types to basic types
|
|
*
|
|
* @param string $real Real database-layer column type (i.e. "varchar(255)")
|
|
* @return string Abstract column type (i.e. "string")
|
|
*/
|
|
function column($real) {
|
|
if (is_array($real)) {
|
|
$col = $real['name'];
|
|
if (isset($real['limit'])) {
|
|
$col .= '('.$real['limit'].')';
|
|
}
|
|
return $col;
|
|
}
|
|
|
|
$col = low(r(')', '', $real));
|
|
$limit = null;
|
|
@list($col, $limit) = explode('(', $col);
|
|
|
|
if (in_array($col, array('text', 'integer', 'float', 'boolean', 'timestamp', 'datetime'))) {
|
|
return $col;
|
|
}
|
|
if (strpos($col, 'varchar') !== false) {
|
|
return 'string';
|
|
}
|
|
if (in_array($col, array('blob', 'clob'))) {
|
|
return 'binary';
|
|
}
|
|
if (strpos($col, 'numeric') !== false) {
|
|
return 'float';
|
|
}
|
|
|
|
return 'text';
|
|
}
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $results
|
|
*/
|
|
function resultSet(&$results) {
|
|
$this->results =& $results;
|
|
$this->map = array();
|
|
$num_fields = sqlite_num_fields($results);
|
|
$index = 0;
|
|
$j = 0;
|
|
|
|
while ($j < $num_fields) {
|
|
$columnName = str_replace('"', '', sqlite_field_name($results, $j));
|
|
|
|
if (strpos($columnName, '.')) {
|
|
$parts = explode('.', $columnName);
|
|
$this->map[$index++] = array($parts[0], $parts[1]);
|
|
} else {
|
|
$this->map[$index++] = array(0, $columnName);
|
|
}
|
|
$j++;
|
|
}
|
|
}
|
|
/**
|
|
* Fetches the next row from the current result set
|
|
*
|
|
* @return unknown
|
|
*/
|
|
function fetchResult() {
|
|
if ($row = sqlite_fetch_array($this->results, SQLITE_ASSOC)) {
|
|
$resultRow = array();
|
|
$i = 0;
|
|
|
|
foreach ($row as $index => $field) {
|
|
if (strpos($index, '.')) {
|
|
list($table, $column) = explode('.', str_replace('"', '', $index));
|
|
$resultRow[$table][$column] = $row[$index];
|
|
} else {
|
|
$resultRow[0][str_replace('"', '', $index)] = $row[$index];
|
|
}
|
|
$i++;
|
|
}
|
|
return $resultRow;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Returns a limit statement in the correct format for the particular database.
|
|
*
|
|
* @param int $limit Limit of results returned
|
|
* @param int $offset Offset from which to start results
|
|
* @return string SQL limit/offset statement
|
|
*/
|
|
function limit ($limit, $offset = null) {
|
|
if ($limit) {
|
|
$rt = '';
|
|
if (!strpos(strtolower($limit), 'limit') || strpos(strtolower($limit), 'limit') === 0) {
|
|
$rt = ' LIMIT';
|
|
}
|
|
$rt .= ' ' . $limit;
|
|
if ($offset) {
|
|
$rt .= ', ' . $offset;
|
|
}
|
|
return $rt;
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
?>
|