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BIG REFACTORING!

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* DibiDriver -> DibiConnection
This commit is contained in:
David Grudl
2007-11-12 06:41:59 +00:00
parent ea00d5d37d
commit 22c27f678a
16 changed files with 1052 additions and 1335 deletions
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219
dibi/drivers/sqlite.php
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@@ -31,101 +31,93 @@
* @package dibi
* @version $Revision$ $Date$
*/
class DibiSqliteDriver extends DibiDriver
class DibiSqliteDriver extends NObject implements DibiDriverInterface
{
/**
* Describes how convert some datatypes to SQL command
* @var array
* Connection resource
* @var resource
*/
public $formats = array(
'TRUE' => "1",
'FALSE' => "0",
'date' => "U",
'datetime' => "U",
);
private $connection;
/**
* Creates object and (optionally) connects to a database
*
* @param array connect configuration
* @throws DibiException
* Resultset resource
* @var resource
*/
public function __construct($config)
{
self::alias($config, 'database', 'file');
parent::__construct($config);
}
private $resultset;
/**
* Is buffered (seekable and countable)?
* @var bool
*/
private $buffered;
/**
* Connects to a database
*
* @throws DibiException
* @return resource
* @return void
*/
protected function doConnect()
public function connect(array &$config)
{
DibiConnection::alias($config, 'database', 'file');
if (!extension_loaded('sqlite')) {
throw new DibiException("PHP extension 'sqlite' is not loaded");
}
$config = $this->getConfig();
$errorMsg = '';
if (empty($config['persistent'])) {
$connection = @sqlite_open($config['database'], 0666, $errorMsg);
$this->connection = @sqlite_open($config['database'], 0666, $errorMsg);
} else {
$connection = @sqlite_popen($config['database'], 0666, $errorMsg);
$this->connection = @sqlite_popen($config['database'], 0666, $errorMsg);
}
if (!$connection) {
if (!$this->connection) {
throw new DibiDatabaseException($errorMsg);
}
return $connection;
$this->buffered = empty($config['unbuffered']);
}
/**
* Disconnects from a database
*
* @return void
*/
protected function doDisconnect()
public function disconnect()
{
sqlite_close($this->getConnection());
sqlite_close($this->connection);
}
/**
* Internal: Executes the SQL query
* Executes the SQL query
*
* @param string SQL statement.
* @return DibiResult Result set object
* @return bool have resultset?
* @throws DibiDatabaseException
*/
protected function doQuery($sql)
public function query($sql)
{
$connection = $this->getConnection();
$errorMsg = NULL;
$buffered = !$this->getConfig('unbuffered');
if ($buffered) {
$res = @sqlite_query($connection, $sql, SQLITE_ASSOC, $errorMsg);
if ($this->buffered) {
$this->resultset = @sqlite_query($this->connection, $sql, SQLITE_ASSOC, $errorMsg);
} else {
$res = @sqlite_unbuffered_query($connection, $sql, SQLITE_ASSOC, $errorMsg);
$this->resultset = @sqlite_unbuffered_query($this->connection, $sql, SQLITE_ASSOC, $errorMsg);
}
if ($errorMsg !== NULL) {
throw new DibiDatabaseException($errorMsg, sqlite_last_error($connection), $sql);
throw new DibiDatabaseException($errorMsg, sqlite_last_error($this->connection), $sql);
}
return is_resource($res) ? new DibiSqliteResult($res, $buffered) : NULL;
return is_resource($this->resultset);
}
@@ -137,8 +129,7 @@ class DibiSqliteDriver extends DibiDriver
*/
public function affectedRows()
{
$rows = sqlite_changes($this->getConnection());
return $rows < 0 ? FALSE : $rows;
return sqlite_changes($this->connection);
}
@@ -148,10 +139,9 @@ class DibiSqliteDriver extends DibiDriver
*
* @return int|FALSE int on success or FALSE on failure
*/
public function insertId()
public function insertId($sequence)
{
$id = sqlite_last_insert_rowid($this->getConnection());
return $id < 1 ? FALSE : $id;
return sqlite_last_insert_rowid($this->connection);
}
@@ -162,8 +152,7 @@ class DibiSqliteDriver extends DibiDriver
*/
public function begin()
{
$this->doQuery('BEGIN');
dibi::notify('begin', $this);
$this->query('BEGIN');
}
@@ -174,8 +163,7 @@ class DibiSqliteDriver extends DibiDriver
*/
public function commit()
{
$this->doQuery('COMMIT');
dibi::notify('commit', $this);
$this->query('COMMIT');
}
@@ -186,49 +174,26 @@ class DibiSqliteDriver extends DibiDriver
*/
public function rollback()
{
$this->doQuery('ROLLBACK');
dibi::notify('rollback', $this);
$this->query('ROLLBACK');
}
/**
* Escapes the string
* Format to SQL command
*
* @param string unescaped string
* @param bool quote string?
* @return string escaped and optionally quoted string
* @param string value
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, dibi::FIELD_DATE, dibi::FIELD_DATETIME, dibi::IDENTIFIER)
* @return string formatted value
*/
public function escape($value, $appendQuotes = TRUE)
public function format($value, $type)
{
return $appendQuotes
? "'" . sqlite_escape_string($value) . "'"
: sqlite_escape_string($value);
}
/**
* Delimites identifier (table's or column's name, etc.)
*
* @param string identifier
* @return string delimited identifier
*/
public function delimite($value)
{
return '[' . str_replace('.', '].[', $value) . ']';
}
/**
* Gets a information of the current database.
*
* @return DibiReflection
*/
public function getDibiReflection()
{
throw new BadMethodCallException(__METHOD__ . ' is not implemented');
if ($type === dibi::FIELD_TEXT) return "'" . sqlite_escape_string($value) . "'";
if ($type === dibi::IDENTIFIER) return '[' . str_replace('.', '].[', $value) . ']';
if ($type === dibi::FIELD_BOOL) return $value ? 1 : 0;
if ($type === dibi::FIELD_DATE) return date("U", $value);
if ($type === dibi::FIELD_DATETIME) return date("U", $value);
throw new DibiException('Invalid formatting type');
}
@@ -241,41 +206,26 @@ class DibiSqliteDriver extends DibiDriver
* @param int $offset
* @return void
*/
public function applyLimit(&$sql, $limit, $offset = 0)
public function applyLimit(&$sql, $limit, $offset)
{
if ($limit < 0 && $offset < 1) return;
$sql .= ' LIMIT ' . $limit . ($offset > 0 ? ' OFFSET ' . (int) $offset : '');
}
} // class DibiSqliteDriver
/**
* The dibi result-set class for SQLite database
*
* @author David Grudl
* @copyright Copyright (c) 2005, 2007 David Grudl
* @package dibi
* @version $Revision$ $Date$
*/
class DibiSqliteResult extends DibiResult
{
/**
* Returns the number of rows in a result set
*
* @return int
*/
protected function doRowCount()
public function rowCount()
{
return sqlite_num_rows($this->resource);
if (!$this->buffered) {
throw new BadMethodCallException(__METHOD__ . ' is not allowed for unbuffered queries');
}
return sqlite_num_rows($this->resultset);
}
@@ -286,9 +236,9 @@ class DibiSqliteResult extends DibiResult
*
* @return array|FALSE array on success, FALSE if no next record
*/
protected function doFetch()
public function fetch()
{
return sqlite_fetch_array($this->resource, SQLITE_ASSOC);
return sqlite_fetch_array($this->resultset, SQLITE_ASSOC);
}
@@ -300,10 +250,13 @@ class DibiSqliteResult extends DibiResult
* @return void
* @throws DibiException
*/
protected function doSeek($row)
public function seek($row)
{
if (!$this->buffered) {
throw new BadMethodCallException(__METHOD__ . ' is not allowed for unbuffered queries');
}
DibiDatabaseException::catchError();
sqlite_seek($this->resource, $row);
sqlite_seek($this->resultset, $row);
DibiDatabaseException::restore();
}
@@ -314,23 +267,55 @@ class DibiSqliteResult extends DibiResult
*
* @return void
*/
protected function doFree()
public function free()
{
}
/** this is experimental */
protected function buildMeta()
public function buildMeta()
{
$count = sqlite_num_fields($this->resource);
$this->meta = $this->convert = array();
$count = sqlite_num_fields($this->resultset);
$meta = array();
for ($index = 0; $index < $count; $index++) {
$name = sqlite_field_name($this->resource, $index);
$this->meta[$name] = array('type' => dibi::FIELD_UNKNOWN);
$this->convert[$name] = dibi::FIELD_UNKNOWN;
$name = sqlite_field_name($this->resultset, $index);
$meta[$name] = array('type' => dibi::FIELD_UNKNOWN);
}
return $meta;
}
} // class DibiSqliteResult
/**
* Returns the connection resource
*
* @return mixed
*/
public function getResource()
{
return $this->connection;
}
/**
* Returns the resultset resource
*
* @return mixed
*/
public function getResultResource()
{
return $this->resultset;
}
/**
* Gets a information of the current database.
*
* @return DibiReflection
*/
function getDibiReflection()
{}
}