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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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223
dibi/drivers/oracle.php
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@@ -32,61 +32,53 @@
* @package dibi
* @version $Revision$ $Date$
*/
class DibiOracleDriver extends DibiDriver
class DibiOracleDriver extends NObject implements DibiDriverInterface
{
/**
* Describes how convert some datatypes to SQL command
* @var array
*/
public $formats = array(
'TRUE' => "1",
'FALSE' => "0",
'date' => "U",
'datetime' => "U",
);
/**
* Connection resource
* @var resource
*/
private $connection;
/**
* Resultset resource
* @var resource
*/
private $resultset;
/**
* @var bool
*/
private $autocommit = TRUE;
/**
* Creates object and (optionally) connects to a database
*
* @param array connect configuration
* @throws DibiException
*/
public function __construct(array $config)
{
self::alias($config, 'username', 'user');
self::alias($config, 'password', 'pass');
self::alias($config, 'database', 'db');
self::alias($config, 'charset');
parent::__construct($config);
}
/**
* Connects to a database
*
* @throws DibiException
* @return resource
* @return void
*/
protected function doConnect()
public function connect(array &$config)
{
DibiConnection::alias($config, 'username', 'user');
DibiConnection::alias($config, 'password', 'pass');
DibiConnection::alias($config, 'database', 'db');
DibiConnection::alias($config, 'charset');
if (!extension_loaded('oci8')) {
throw new DibiException("PHP extension 'oci8' is not loaded");
}
$config = $this->getConfig();
$connection = @oci_new_connect($config['username'], $config['password'], $config['database'], $config['charset']);
$this->connection = @oci_new_connect($config['username'], $config['password'], $config['database'], $config['charset']);
if (!$connection) {
if (!$this->connection) {
$err = oci_error();
throw new DibiDatabaseException($err['message'], $err['code']);
}
return $connection;
}
@@ -96,37 +88,36 @@ class DibiOracleDriver extends DibiDriver
*
* @return void
*/
protected function doDisconnect()
public function disconnect()
{
oci_close($this->getConnection());
oci_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();
$statement = oci_parse($connection, $sql);
if ($statement) {
$res = oci_execute($statement, $this->autocommit ? OCI_COMMIT_ON_SUCCESS : OCI_DEFAULT);
$err = oci_error($statement);
$this->resultset = oci_parse($this->connection, $sql);
if ($this->resultset) {
oci_execute($this->resultset, $this->autocommit ? OCI_COMMIT_ON_SUCCESS : OCI_DEFAULT);
$err = oci_error($this->resultset);
if ($err) {
throw new DibiDatabaseException($err['message'], $err['code'], $sql);
}
} else {
$err = oci_error($connection);
$err = oci_error($this->connection);
throw new DibiDatabaseException($err['message'], $err['code'], $sql);
}
return is_resource($res) ? new DibiOracleResult($statement, TRUE) : TRUE;
return is_resource($this->resultset);
}
@@ -148,7 +139,7 @@ class DibiOracleDriver extends DibiDriver
*
* @return int|FALSE int on success or FALSE on failure
*/
public function insertId()
public function insertId($sequence)
{
throw new BadMethodCallException(__METHOD__ . ' is not implemented');
}
@@ -172,13 +163,11 @@ class DibiOracleDriver extends DibiDriver
*/
public function commit()
{
$connection = $this->getConnection();
if (!oci_commit($connection)) {
$err = oci_error($connection);
if (!oci_commit($this->connection)) {
$err = oci_error($this->connection);
throw new DibiDatabaseException($err['message'], $err['code']);
}
$this->autocommit = TRUE;
dibi::notify('commit', $this);
}
@@ -189,54 +178,30 @@ class DibiOracleDriver extends DibiDriver
*/
public function rollback()
{
$connection = $this->getConnection();
if (!oci_rollback($connection)) {
$err = oci_error($connection);
if (!oci_rollback($this->connection)) {
$err = oci_error($this->connection);
throw new DibiDatabaseException($err['message'], $err['code']);
}
$this->autocommit = TRUE;
dibi::notify('rollback', $this);
}
/**
* Escapes the string
* Format to SQL command
*
* @param string unescaped string
* @param bool quote string?
* @return string escaped and optionally quoted string
* @param string value
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, dibi::FIELD_DATE, dibi::FIELD_DATETIME, dibi::IDENTIFIER)
* @return string formatted value
*/
public function escape($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 "'" . str_replace("'", "''", $value) . "'"; // TODO: not tested
if ($type === dibi::IDENTIFIER) return '[' . str_replace('.', '].[', $value) . ']'; // TODO: not tested
if ($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');
}
@@ -249,41 +214,23 @@ class DibiOracleDriver 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 DibiOracleDriver
/**
* The dibi result-set class for Oracle database
*
* @author David Grudl
* @copyright Copyright (c) 2005, 2007 David Grudl
* @package dibi
* @version $Revision$ $Date$
*/
class DibiOracleResult extends DibiResult
{
/**
* Returns the number of rows in a result set
*
* @return int
*/
protected function doRowCount()
public function rowCount()
{
return oci_num_rows($this->resource);
return oci_num_rows($this->resultset);
}
@@ -294,10 +241,10 @@ class DibiOracleResult extends DibiResult
*
* @return array|FALSE array on success, FALSE if no next record
*/
protected function doFetch()
public function fetch()
{
$this->fetched = TRUE;
return oci_fetch_assoc($this->resource);
return oci_fetch_assoc($this->resultset);
}
@@ -309,7 +256,7 @@ class DibiOracleResult extends DibiResult
* @return void
* @throws DibiException
*/
protected function doSeek($row)
public function seek($row)
{
if ($row === 0 && !$this->fetched) return TRUE;
throw new BadMethodCallException(__METHOD__ . ' is not implemented');
@@ -322,24 +269,56 @@ class DibiOracleResult extends DibiResult
*
* @return void
*/
protected function doFree()
public function free()
{
oci_free_statement($this->resource);
oci_free_statement($this->resultset);
}
/** this is experimental */
protected function buildMeta()
public function buildMeta()
{
$count = oci_num_fields($this->resource);
$this->meta = $this->convert = array();
$count = oci_num_fields($this->resultset);
$meta = array();
for ($index = 0; $index < $count; $index++) {
$name = oci_field_name($this->resource, $index + 1);
$this->meta[$name] = array('type' => dibi::FIELD_UNKNOWN);
$this->convert[$name] = dibi::FIELD_UNKNOWN;
$name = oci_field_name($this->resultset, $index + 1);
$meta[$name] = array('type' => dibi::FIELD_UNKNOWN);
}
return $meta;
}
} // class DibiOracleResult
/**
* 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()
{}
}