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mirror of https://github.com/dg/dibi.git synced 2025-09-02 18:42:36 +02:00

code formatting: 4 spaces -> tabs

This commit is contained in:
David Grudl
2008-05-12 00:30:59 +00:00
parent fd22c55639
commit 7bb5684d71
37 changed files with 5309 additions and 5309 deletions

View File

@@ -37,349 +37,349 @@
class DibiPostgreDriver extends /*Nette::*/Object implements IDibiDriver
{
/**
* Connection resource.
* @var resource
*/
private $connection;
/**
* Resultset resource.
* @var resource
*/
private $resultset;
/**
* Escape method.
* @var bool
*/
private $escMethod = FALSE;
/**
* @throws DibiException
*/
public function __construct()
{
if (!extension_loaded('pgsql')) {
throw new DibiDriverException("PHP extension 'pgsql' is not loaded.");
}
}
/**
* Connects to a database.
*
* @return void
* @throws DibiException
*/
public function connect(array &$config)
{
if (isset($config['string'])) {
$string = $config['string'];
} else {
$string = '';
foreach (array('host','hostaddr','port','dbname','user','password','connect_timeout','options','sslmode','service') as $key) {
if (isset($config[$key])) $string .= $key . '=' . $config[$key] . ' ';
}
}
DibiDriverException::tryError();
if (isset($config['persistent'])) {
$this->connection = pg_connect($string, PGSQL_CONNECT_FORCE_NEW);
} else {
$this->connection = pg_pconnect($string, PGSQL_CONNECT_FORCE_NEW);
}
if (DibiDriverException::catchError($msg)) {
throw new DibiDriverException($msg, 0);
}
if (!is_resource($this->connection)) {
throw new DibiDriverException('Connecting error.');
}
if (isset($config['charset'])) {
DibiDriverException::tryError();
pg_set_client_encoding($this->connection, $config['charset']);
if (DibiDriverException::catchError($msg)) {
throw new DibiDriverException($msg, 0);
}
}
if (isset($config['schema'])) {
$this->query('SET search_path TO ' . $config['schema']);
}
$this->escMethod = version_compare(PHP_VERSION , '5.2.0', '>=');
}
/**
* Disconnects from a database.
*
* @return void
*/
public function disconnect()
{
pg_close($this->connection);
}
/**
* Executes the SQL query.
*
* @param string SQL statement.
* @param bool update affected rows?
* @return bool have resultset?
* @throws DibiDriverException
*/
public function query($sql)
{
$this->resultset = @pg_query($this->connection, $sql);
if ($this->resultset === FALSE) {
throw new DibiDriverException(pg_last_error($this->connection), 0, $sql);
}
return is_resource($this->resultset);
}
/**
* 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 pg_affected_rows($this->resultset);
}
/**
* Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
*
* @return int|FALSE int on success or FALSE on failure
*/
public function insertId($sequence)
{
if ($sequence === NULL) {
// PostgreSQL 8.1 is needed
$has = $this->query("SELECT LASTVAL()");
} else {
$has = $this->query("SELECT CURRVAL('$sequence')");
}
if (!$has) return FALSE;
$row = $this->fetch(FALSE);
$this->free();
return is_array($row) ? $row[0] : FALSE;
}
/**
* Begins a transaction (if supported).
* @return void
* @throws DibiDriverException
*/
public function begin()
{
$this->query('START TRANSACTION');
}
/**
* 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()
{
$this->query('ROLLBACK');
}
/**
* Format to SQL command.
*
* @param string value
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, dibi::FIELD_DATE, dibi::FIELD_DATETIME, dibi::IDENTIFIER)
* @return string formatted value
* @throws InvalidArgumentException
*/
public function format($value, $type)
{
if ($type === dibi::FIELD_TEXT) {
if ($this->escMethod) return "'" . pg_escape_string($this->connection, $value) . "'";
return "'" . pg_escape_string($value) . "'";
}
if ($type === dibi::IDENTIFIER) {
$a = strrpos($value, '.');
if ($a === FALSE) return '"' . str_replace('"', '""', $value) . '"';
// table.col delimite as table."col"
return substr($value, 0, $a) . '."' . str_replace('"', '""', substr($value, $a + 1)) . '"';
}
if ($type === dibi::FIELD_BOOL) return $value ? 'TRUE' : 'FALSE';
if ($type === dibi::FIELD_DATE) return date("'Y-m-d'", $value);
if ($type === dibi::FIELD_DATETIME) return date("'Y-m-d H:i:s'", $value);
throw new InvalidArgumentException('Unsupported formatting type.');
}
/**
* Injects LIMIT/OFFSET to the SQL query.
*
* @param string &$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)
$sql .= ' LIMIT ' . (int) $limit;
if ($offset > 0)
$sql .= ' OFFSET ' . (int) $offset;
}
/**
* Returns the number of rows in a result set.
*
* @return int
*/
public function rowCount()
{
return pg_num_rows($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($type)
{
return pg_fetch_array($this->resultset, NULL, $type ? PGSQL_ASSOC : PGSQL_NUM);
}
/**
* Moves cursor position without fetching row.
*
* @param int the 0-based cursor pos to seek to
* @return boolean TRUE on success, FALSE if unable to seek to specified record
* @throws DibiException
*/
public function seek($row)
{
return pg_result_seek($this->resultset, $row);
}
/**
* Frees the resources allocated for this result set.
*
* @return void
*/
public function free()
{
pg_free_result($this->resultset);
$this->resultset = NULL;
}
/**
* Returns metadata for all columns in a result set.
*
* @return array
*/
public function getColumnsMeta()
{
$hasTable = version_compare(PHP_VERSION , '5.2.0', '>=');
$count = pg_num_fields($this->resultset);
$meta = array();
for ($i = 0; $i < $count; $i++) {
// items 'name' and 'table' are required
$meta[] = array(
'name' => pg_field_name($this->resultset, $i),
'table' => $hasTable ? pg_field_table($this->resultset, $i) : NULL,
'type' => pg_field_type($this->resultset, $i),
'size' => pg_field_size($this->resultset, $i),
'prtlen' => pg_field_prtlen($this->resultset, $i),
);
}
return $meta;
}
/**
* 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()
{}
/**
* Connection resource.
* @var resource
*/
private $connection;
/**
* Resultset resource.
* @var resource
*/
private $resultset;
/**
* Escape method.
* @var bool
*/
private $escMethod = FALSE;
/**
* @throws DibiException
*/
public function __construct()
{
if (!extension_loaded('pgsql')) {
throw new DibiDriverException("PHP extension 'pgsql' is not loaded.");
}
}
/**
* Connects to a database.
*
* @return void
* @throws DibiException
*/
public function connect(array &$config)
{
if (isset($config['string'])) {
$string = $config['string'];
} else {
$string = '';
foreach (array('host','hostaddr','port','dbname','user','password','connect_timeout','options','sslmode','service') as $key) {
if (isset($config[$key])) $string .= $key . '=' . $config[$key] . ' ';
}
}
DibiDriverException::tryError();
if (isset($config['persistent'])) {
$this->connection = pg_connect($string, PGSQL_CONNECT_FORCE_NEW);
} else {
$this->connection = pg_pconnect($string, PGSQL_CONNECT_FORCE_NEW);
}
if (DibiDriverException::catchError($msg)) {
throw new DibiDriverException($msg, 0);
}
if (!is_resource($this->connection)) {
throw new DibiDriverException('Connecting error.');
}
if (isset($config['charset'])) {
DibiDriverException::tryError();
pg_set_client_encoding($this->connection, $config['charset']);
if (DibiDriverException::catchError($msg)) {
throw new DibiDriverException($msg, 0);
}
}
if (isset($config['schema'])) {
$this->query('SET search_path TO ' . $config['schema']);
}
$this->escMethod = version_compare(PHP_VERSION , '5.2.0', '>=');
}
/**
* Disconnects from a database.
*
* @return void
*/
public function disconnect()
{
pg_close($this->connection);
}
/**
* Executes the SQL query.
*
* @param string SQL statement.
* @param bool update affected rows?
* @return bool have resultset?
* @throws DibiDriverException
*/
public function query($sql)
{
$this->resultset = @pg_query($this->connection, $sql);
if ($this->resultset === FALSE) {
throw new DibiDriverException(pg_last_error($this->connection), 0, $sql);
}
return is_resource($this->resultset);
}
/**
* 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 pg_affected_rows($this->resultset);
}
/**
* Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
*
* @return int|FALSE int on success or FALSE on failure
*/
public function insertId($sequence)
{
if ($sequence === NULL) {
// PostgreSQL 8.1 is needed
$has = $this->query("SELECT LASTVAL()");
} else {
$has = $this->query("SELECT CURRVAL('$sequence')");
}
if (!$has) return FALSE;
$row = $this->fetch(FALSE);
$this->free();
return is_array($row) ? $row[0] : FALSE;
}
/**
* Begins a transaction (if supported).
* @return void
* @throws DibiDriverException
*/
public function begin()
{
$this->query('START TRANSACTION');
}
/**
* 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()
{
$this->query('ROLLBACK');
}
/**
* Format to SQL command.
*
* @param string value
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, dibi::FIELD_DATE, dibi::FIELD_DATETIME, dibi::IDENTIFIER)
* @return string formatted value
* @throws InvalidArgumentException
*/
public function format($value, $type)
{
if ($type === dibi::FIELD_TEXT) {
if ($this->escMethod) return "'" . pg_escape_string($this->connection, $value) . "'";
return "'" . pg_escape_string($value) . "'";
}
if ($type === dibi::IDENTIFIER) {
$a = strrpos($value, '.');
if ($a === FALSE) return '"' . str_replace('"', '""', $value) . '"';
// table.col delimite as table."col"
return substr($value, 0, $a) . '."' . str_replace('"', '""', substr($value, $a + 1)) . '"';
}
if ($type === dibi::FIELD_BOOL) return $value ? 'TRUE' : 'FALSE';
if ($type === dibi::FIELD_DATE) return date("'Y-m-d'", $value);
if ($type === dibi::FIELD_DATETIME) return date("'Y-m-d H:i:s'", $value);
throw new InvalidArgumentException('Unsupported formatting type.');
}
/**
* Injects LIMIT/OFFSET to the SQL query.
*
* @param string &$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)
$sql .= ' LIMIT ' . (int) $limit;
if ($offset > 0)
$sql .= ' OFFSET ' . (int) $offset;
}
/**
* Returns the number of rows in a result set.
*
* @return int
*/
public function rowCount()
{
return pg_num_rows($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($type)
{
return pg_fetch_array($this->resultset, NULL, $type ? PGSQL_ASSOC : PGSQL_NUM);
}
/**
* Moves cursor position without fetching row.
*
* @param int the 0-based cursor pos to seek to
* @return boolean TRUE on success, FALSE if unable to seek to specified record
* @throws DibiException
*/
public function seek($row)
{
return pg_result_seek($this->resultset, $row);
}
/**
* Frees the resources allocated for this result set.
*
* @return void
*/
public function free()
{
pg_free_result($this->resultset);
$this->resultset = NULL;
}
/**
* Returns metadata for all columns in a result set.
*
* @return array
*/
public function getColumnsMeta()
{
$hasTable = version_compare(PHP_VERSION , '5.2.0', '>=');
$count = pg_num_fields($this->resultset);
$meta = array();
for ($i = 0; $i < $count; $i++) {
// items 'name' and 'table' are required
$meta[] = array(
'name' => pg_field_name($this->resultset, $i),
'table' => $hasTable ? pg_field_table($this->resultset, $i) : NULL,
'type' => pg_field_type($this->resultset, $i),
'size' => pg_field_size($this->resultset, $i),
'prtlen' => pg_field_prtlen($this->resultset, $i),
);
}
return $meta;
}
/**
* 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()
{}
}