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mirror of https://github.com/dg/dibi.git synced 2025-08-06 06:07:39 +02:00

modified SVN properties

This commit is contained in:
David Grudl
2008-07-17 03:51:29 +00:00
parent 7f0fa2e75e
commit c0bd3761de
45 changed files with 8225 additions and 8227 deletions

View File

@@ -1,381 +1,381 @@
<?php
/**
* dibi - tiny'n'smart database abstraction layer
* ----------------------------------------------
*
* Copyright (c) 2005, 2008 David Grudl (http://davidgrudl.com)
*
* This source file is subject to the "dibi license" that is bundled
* with this package in the file license.txt.
*
* For more information please see http://dibiphp.com/
*
* @copyright Copyright (c) 2005, 2008 David Grudl
* @license http://dibiphp.com/license dibi license
* @link http://dibiphp.com/
* @package dibi
*/
/**
* The dibi driver for SQLite database.
*
* Connection options:
* - 'database' (or 'file') - the filename of the SQLite database
* - 'persistent' - try to find a persistent link?
* - 'unbuffered' - sends query without fetching and buffering the result rows automatically?
* - 'lazy' - if TRUE, connection will be established only when required
* - 'format:date' - how to format date in SQL (@see date)
* - 'format:datetime' - how to format datetime in SQL (@see date)
*
* @author David Grudl
* @copyright Copyright (c) 2005, 2008 David Grudl
* @package dibi
* @version $Revision$ $Date$
*/
class DibiSqliteDriver extends /*Nette::*/Object implements IDibiDriver
{
/**
* Connection resource.
* @var resource
*/
private $connection;
/**
* Resultset resource.
* @var resource
*/
private $resultSet;
/**
* Is buffered (seekable and countable)?
* @var bool
*/
private $buffered;
/**
* Date and datetime format.
* @var string
*/
private $fmtDate, $fmtDateTime;
/**
* @throws DibiException
*/
public function __construct()
{
if (!extension_loaded('sqlite')) {
throw new DibiDriverException("PHP extension 'sqlite' is not loaded.");
}
}
/**
* Connects to a database.
*
* @return void
* @throws DibiException
*/
public function connect(array &$config)
{
DibiConnection::alias($config, 'database', 'file');
$this->fmtDate = isset($config['format:date']) ? $config['format:date'] : 'U';
$this->fmtDateTime = isset($config['format:datetime']) ? $config['format:datetime'] : 'U';
$errorMsg = '';
if (empty($config['persistent'])) {
$this->connection = @sqlite_open($config['database'], 0666, $errorMsg); // intentionally @
} else {
$this->connection = @sqlite_popen($config['database'], 0666, $errorMsg); // intentionally @
}
if (!$this->connection) {
throw new DibiDriverException($errorMsg);
}
$this->buffered = empty($config['unbuffered']);
}
/**
* Disconnects from a database.
*
* @return void
*/
public function disconnect()
{
sqlite_close($this->connection);
}
/**
* Executes the SQL query.
*
* @param string SQL statement.
* @return IDibiDriver|NULL
* @throws DibiDriverException
*/
public function query($sql)
{
DibiDriverException::tryError();
if ($this->buffered) {
$this->resultSet = sqlite_query($this->connection, $sql);
} else {
$this->resultSet = sqlite_unbuffered_query($this->connection, $sql);
}
if (DibiDriverException::catchError($msg)) {
throw new DibiDriverException($msg, sqlite_last_error($this->connection), $sql);
}
return is_resource($this->resultSet) ? clone $this : NULL;
}
/**
* Gets the number of affected rows by the last INSERT, UPDATE or DELETE query.
*
* @return int|FALSE number of rows or FALSE on error
*/
public function affectedRows()
{
return sqlite_changes($this->connection);
}
/**
* Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
*
* @return int|FALSE int on success or FALSE on failure
*/
public function insertId($sequence)
{
return sqlite_last_insert_rowid($this->connection);
}
/**
* Begins a transaction (if supported).
* @return void
* @throws DibiDriverException
*/
public function begin()
{
$this->query('BEGIN');
}
/**
* Commits statements in a transaction.
* @return void
* @throws DibiDriverException
*/
public function commit()
{
$this->query('COMMIT');
}
/**
* Rollback changes in a transaction.
* @return void
* @throws DibiDriverException
*/
public function rollback()
{
$this->query('ROLLBACK');
}
/**
* Encodes data for use in an SQL statement.
*
* @param string value
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, ...)
* @return string encoded value
* @throws InvalidArgumentException
*/
public function escape($value, $type)
{
switch ($type) {
case dibi::FIELD_TEXT:
case dibi::FIELD_BINARY:
return "'" . sqlite_escape_string($value) . "'";
case dibi::IDENTIFIER:
return '[' . str_replace('.', '].[', $value) . ']';
case dibi::FIELD_BOOL:
return $value ? 1 : 0;
case dibi::FIELD_DATE:
return date($this->fmtDate, $value);
case dibi::FIELD_DATETIME:
return date($this->fmtDateTime, $value);
default:
throw new InvalidArgumentException('Unsupported type.');
}
}
/**
* Decodes data from result set.
*
* @param string value
* @param string type (dibi::FIELD_BINARY)
* @return string decoded value
* @throws InvalidArgumentException
*/
public function unescape($value, $type)
{
throw new InvalidArgumentException('Unsupported type.');
}
/**
* Injects LIMIT/OFFSET to the SQL query.
*
* @param string &$sql The SQL query that will be modified.
* @param int $limit
* @param int $offset
* @return void
*/
public function applyLimit(&$sql, $limit, $offset)
{
if ($limit < 0 && $offset < 1) return;
$sql .= ' LIMIT ' . $limit . ($offset > 0 ? ' OFFSET ' . (int) $offset : '');
}
/**
* Returns the number of rows in a result set.
*
* @return int
*/
public function rowCount()
{
if (!$this->buffered) {
throw new DibiDriverException('Row count is not available for unbuffered queries.');
}
return sqlite_num_rows($this->resultSet);
}
/**
* Fetches the row at current position and moves the internal cursor to the next position.
* internal usage only
*
* @param bool TRUE for associative array, FALSE for numeric
* @return array array on success, nonarray if no next record
*/
public function fetch($type)
{
return sqlite_fetch_array($this->resultSet, $type ? SQLITE_ASSOC : SQLITE_NUM);
}
/**
* Moves cursor position without fetching row.
*
* @param int the 0-based cursor pos to seek to
* @return boolean TRUE on success, FALSE if unable to seek to specified record
* @throws DibiException
*/
public function seek($row)
{
if (!$this->buffered) {
throw new DibiDriverException('Cannot seek an unbuffered result set.');
}
return sqlite_seek($this->resultSet, $row);
}
/**
* Frees the resources allocated for this result set.
*
* @return void
*/
public function free()
{
$this->resultSet = NULL;
}
/**
* Returns metadata for all columns in a result set.
*
* @return array
*/
public function getColumnsMeta()
{
$count = sqlite_num_fields($this->resultSet);
$meta = array();
for ($i = 0; $i < $count; $i++) {
// items 'name' and 'table' are required
$meta[] = array(
'name' => sqlite_field_name($this->resultSet, $i),
'table' => NULL,
);
}
return $meta;
}
/**
* Returns the connection resource.
*
* @return mixed
*/
public function getResource()
{
return $this->connection;
}
/**
* Returns the result set resource.
*
* @return mixed
*/
public function getResultResource()
{
return $this->resultSet;
}
/**
* Gets a information of the current database.
*
* @return DibiReflection
*/
function getDibiReflection()
{}
}
<?php
/**
* dibi - tiny'n'smart database abstraction layer
* ----------------------------------------------
*
* Copyright (c) 2005, 2008 David Grudl (http://davidgrudl.com)
*
* This source file is subject to the "dibi license" that is bundled
* with this package in the file license.txt.
*
* For more information please see http://dibiphp.com
*
* @copyright Copyright (c) 2005, 2008 David Grudl
* @license http://dibiphp.com/license dibi license
* @link http://dibiphp.com
* @package dibi
* @version $Id$
*/
/**
* The dibi driver for SQLite database.
*
* Connection options:
* - 'database' (or 'file') - the filename of the SQLite database
* - 'persistent' - try to find a persistent link?
* - 'unbuffered' - sends query without fetching and buffering the result rows automatically?
* - 'lazy' - if TRUE, connection will be established only when required
* - 'format:date' - how to format date in SQL (@see date)
* - 'format:datetime' - how to format datetime in SQL (@see date)
*
* @author David Grudl
* @copyright Copyright (c) 2005, 2008 David Grudl
* @package dibi
*/
class DibiSqliteDriver extends /*Nette::*/Object implements IDibiDriver
{
/**
* Connection resource.
* @var resource
*/
private $connection;
/**
* Resultset resource.
* @var resource
*/
private $resultSet;
/**
* Is buffered (seekable and countable)?
* @var bool
*/
private $buffered;
/**
* Date and datetime format.
* @var string
*/
private $fmtDate, $fmtDateTime;
/**
* @throws DibiException
*/
public function __construct()
{
if (!extension_loaded('sqlite')) {
throw new DibiDriverException("PHP extension 'sqlite' is not loaded.");
}
}
/**
* Connects to a database.
*
* @return void
* @throws DibiException
*/
public function connect(array &$config)
{
DibiConnection::alias($config, 'database', 'file');
$this->fmtDate = isset($config['format:date']) ? $config['format:date'] : 'U';
$this->fmtDateTime = isset($config['format:datetime']) ? $config['format:datetime'] : 'U';
$errorMsg = '';
if (empty($config['persistent'])) {
$this->connection = @sqlite_open($config['database'], 0666, $errorMsg); // intentionally @
} else {
$this->connection = @sqlite_popen($config['database'], 0666, $errorMsg); // intentionally @
}
if (!$this->connection) {
throw new DibiDriverException($errorMsg);
}
$this->buffered = empty($config['unbuffered']);
}
/**
* Disconnects from a database.
*
* @return void
*/
public function disconnect()
{
sqlite_close($this->connection);
}
/**
* Executes the SQL query.
*
* @param string SQL statement.
* @return IDibiDriver|NULL
* @throws DibiDriverException
*/
public function query($sql)
{
DibiDriverException::tryError();
if ($this->buffered) {
$this->resultSet = sqlite_query($this->connection, $sql);
} else {
$this->resultSet = sqlite_unbuffered_query($this->connection, $sql);
}
if (DibiDriverException::catchError($msg)) {
throw new DibiDriverException($msg, sqlite_last_error($this->connection), $sql);
}
return is_resource($this->resultSet) ? clone $this : NULL;
}
/**
* Gets the number of affected rows by the last INSERT, UPDATE or DELETE query.
*
* @return int|FALSE number of rows or FALSE on error
*/
public function affectedRows()
{
return sqlite_changes($this->connection);
}
/**
* Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
*
* @return int|FALSE int on success or FALSE on failure
*/
public function insertId($sequence)
{
return sqlite_last_insert_rowid($this->connection);
}
/**
* Begins a transaction (if supported).
* @return void
* @throws DibiDriverException
*/
public function begin()
{
$this->query('BEGIN');
}
/**
* Commits statements in a transaction.
* @return void
* @throws DibiDriverException
*/
public function commit()
{
$this->query('COMMIT');
}
/**
* Rollback changes in a transaction.
* @return void
* @throws DibiDriverException
*/
public function rollback()
{
$this->query('ROLLBACK');
}
/**
* Encodes data for use in an SQL statement.
*
* @param string value
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, ...)
* @return string encoded value
* @throws InvalidArgumentException
*/
public function escape($value, $type)
{
switch ($type) {
case dibi::FIELD_TEXT:
case dibi::FIELD_BINARY:
return "'" . sqlite_escape_string($value) . "'";
case dibi::IDENTIFIER:
return '[' . str_replace('.', '].[', $value) . ']';
case dibi::FIELD_BOOL:
return $value ? 1 : 0;
case dibi::FIELD_DATE:
return date($this->fmtDate, $value);
case dibi::FIELD_DATETIME:
return date($this->fmtDateTime, $value);
default:
throw new InvalidArgumentException('Unsupported type.');
}
}
/**
* Decodes data from result set.
*
* @param string value
* @param string type (dibi::FIELD_BINARY)
* @return string decoded value
* @throws InvalidArgumentException
*/
public function unescape($value, $type)
{
throw new InvalidArgumentException('Unsupported type.');
}
/**
* Injects LIMIT/OFFSET to the SQL query.
*
* @param string &$sql The SQL query that will be modified.
* @param int $limit
* @param int $offset
* @return void
*/
public function applyLimit(&$sql, $limit, $offset)
{
if ($limit < 0 && $offset < 1) return;
$sql .= ' LIMIT ' . $limit . ($offset > 0 ? ' OFFSET ' . (int) $offset : '');
}
/**
* Returns the number of rows in a result set.
*
* @return int
*/
public function rowCount()
{
if (!$this->buffered) {
throw new DibiDriverException('Row count is not available for unbuffered queries.');
}
return sqlite_num_rows($this->resultSet);
}
/**
* Fetches the row at current position and moves the internal cursor to the next position.
* internal usage only
*
* @param bool TRUE for associative array, FALSE for numeric
* @return array array on success, nonarray if no next record
*/
public function fetch($type)
{
return sqlite_fetch_array($this->resultSet, $type ? SQLITE_ASSOC : SQLITE_NUM);
}
/**
* Moves cursor position without fetching row.
*
* @param int the 0-based cursor pos to seek to
* @return boolean TRUE on success, FALSE if unable to seek to specified record
* @throws DibiException
*/
public function seek($row)
{
if (!$this->buffered) {
throw new DibiDriverException('Cannot seek an unbuffered result set.');
}
return sqlite_seek($this->resultSet, $row);
}
/**
* Frees the resources allocated for this result set.
*
* @return void
*/
public function free()
{
$this->resultSet = NULL;
}
/**
* Returns metadata for all columns in a result set.
*
* @return array
*/
public function getColumnsMeta()
{
$count = sqlite_num_fields($this->resultSet);
$meta = array();
for ($i = 0; $i < $count; $i++) {
// items 'name' and 'table' are required
$meta[] = array(
'name' => sqlite_field_name($this->resultSet, $i),
'table' => NULL,
);
}
return $meta;
}
/**
* Returns the connection resource.
*
* @return mixed
*/
public function getResource()
{
return $this->connection;
}
/**
* Returns the result set resource.
*
* @return mixed
*/
public function getResultResource()
{
return $this->resultSet;
}
/**
* Gets a information of the current database.
*
* @return DibiReflection
*/
function getDibiReflection()
{}
}