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+ rewritten support for logging & error handling

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+ modifier %sn
* modifier %sql
* changed modifier behaviour: NULL is always 'NULL'
This commit is contained in:
David Grudl
2007-01-29 05:08:52 +00:00
parent ac980fe8c9
commit 6536dfb7dd
17 changed files with 800 additions and 181 deletions
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2
copyright.txt
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@@ -1,7 +1,7 @@
Copyright notice
----------------
dibi (C) David Grudl, 2005-2006 <dave@dgx.cz>
dibi (C) David Grudl, 2005-2007 <dave@dgx.cz>
For more information, visit the homepage http://dibi.texy.info/
or author's weblog: http://www.dgx.cz/trine/

614
dibi.compact/dibi.compact.php
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File diff suppressed because one or more lines are too long

5
dibi/#todo.txt
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@@ -1,3 +1,2 @@
1) better logging, error logging, exceptions
2) complete phpdoc
- better examples
- documentation

155
dibi/dibi.php
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@@ -14,11 +14,11 @@
* @license GNU GENERAL PUBLIC LICENSE v2
* @package dibi
* @category Database
* @version 0.6e $Revision$ $Date$
* @version 0.7a $Revision$ $Date$
*/
define('DIBI', 'Version 0.6e $Revision$');
define('DIBI', 'Version 0.7a $Revision$');
if (version_compare(PHP_VERSION , '5.0.3', '<'))
@@ -33,10 +33,6 @@ require_once dirname(__FILE__).'/libs/exception.php';
// required since PHP 5.1.0
// if (function_exists('date_default_timezone_set'))
// date_default_timezone_set('Europe/Prague'); // or 'GMT'
/**
@@ -62,7 +58,7 @@ interface IDibiVariable
* Interface for database drivers
*
* This class is static container class for creating DB objects and
* store debug & connections info.
* store connections info.
*
*/
class dibi
@@ -84,24 +80,15 @@ class dibi
FIELD_COUNTER = 'c'; // counter or autoincrement, is integer
/**
* Query rrror modes
*/
const
ERR_SILENT = 1,
ERR_WARNING = 2,
ERR_EXCEPTION = 3;
/**
* Connection registry storage for DibiDriver objects
* @var array
* @var DibiDriver[]
*/
static private $registry = array();
/**
* Current connection
* @var object DibiDriver
* @var DibiDriver
*/
static private $conn;
@@ -110,26 +97,30 @@ class dibi
* @var string
*/
static public $sql;
static public $error;
/**
* File for logging SQL queryies - strongly recommended to use with NSafeStream
* File for logging SQL queries
* @var string|NULL
*/
static public $logFile;
/**
* Mode parameter used by fopen()
* @var string
*/
static public $logMode = 'a';
/**
* Query error mode
*/
static public $errorMode = dibi::ERR_SILENT;
/**
* Enable/disable debug mode
* To log all queries or error queries (debug mode)
* @var bool
*/
static public $debug = false;
static public $logAll = FALSE;
/**
* dibi::query() error mode
* @var bool
*/
static public $throwExceptions = FALSE;
/**
* Substitutions for identifiers
@@ -178,7 +169,7 @@ class dibi
/** like $conn = $className::connect($config); */
self::$conn = self::$registry[$name] = call_user_func(array($className, 'connect'), $config);
if (dibi::$debug) dibi::log("Successfully connected to DB '$config[driver]'");
if (dibi::$logAll) dibi::log("OK: connected to DB '$config[driver]'");
}
@@ -198,6 +189,7 @@ class dibi
* Retrieve active connection
*
* @return object DibiDriver object.
* @throw DibiException
*/
static public function getConnection()
{
@@ -214,6 +206,7 @@ class dibi
*
* @param string connection registy name
* @return void
* @throw DibiException
*/
static public function activate($name)
{
@@ -246,49 +239,60 @@ class dibi
// and generate SQL
$trans = new DibiTranslator($conn, self::$substs);
self::$sql = $trans->translate($args);
if (!$trans->translate($args)) {
if (self::$logFile) // log to file
self::log(
"ERROR: SQL generate error"
. "\n-- SQL: " . $trans->sql
. ";\n-- " . date('Y-m-d H:i:s ')
);
if (dibi::$throwExceptions)
throw new DibiException('SQL generate error', array('sql' => $trans->sql));
else {
trigger_error("dibi: SQL generate error: $trans->sql", E_USER_WARNING);
return FALSE;
}
}
self::$sql = $trans->sql;
// execute SQL
$timer = -microtime(true);
try {
$res = $conn->query(self::$sql);
self::$error = FALSE;
} catch (DibiException $e) {
$res = FALSE;
self::$error = $e;
if (dibi::$errorMode === self::ERR_WARNING) {
trigger_error('[dibi] ' . $e->getMessage(), E_USER_WARNING);
}
}
$timer += microtime(true);
// optional log to file
if (self::$logFile != NULL)
{
if (self::$error)
$msg = self::$error->getMessage();
elseif ($res instanceof DibiResult)
$msg = 'object('.get_class($res).') rows: '.$res->rowCount();
else
$msg = 'OK';
dibi::log(self::$sql
. ";\r\n-- Result: $msg"
. "\r\n-- Takes: " . sprintf('%0.3f', $timer * 1000) . ' ms'
. "\r\n\r\n"
if ($res === FALSE) { // query error
if (self::$logFile) { // log to file
$info = $conn->errorInfo();
self::log(
"ERROR: [$info[code]] $info[message]"
. "\n-- SQL: " . self::$sql
. ";\n-- " . date('Y-m-d H:i:s ')
);
}
if (dibi::$debug)
{
echo self::$error ? "\n[ERROR] " : "\n[OK] ";
echo htmlSpecialChars(trim(strtr(self::$sql, "\r\n\t", ' ')));
echo "\n<br />";
if (dibi::$throwExceptions) {
$info = $conn->errorInfo();
$info['sql'] = self::$sql;
throw new DibiException('Query error', $info);
} else {
$info = $conn->errorInfo();
trigger_error("dibi: [$info[code]] $info[message]", E_USER_WARNING);
return FALSE;
}
}
if (self::$error && dibi::$errorMode === self::ERR_EXCEPTION)
throw self::$error;
if (self::$logFile && self::$logAll) { // log success
$timer += microtime(true);
$msg = $res instanceof DibiResult ? 'object('.get_class($res).') rows: '.$res->rowCount() : 'OK';
self::log(
"OK: " . self::$sql
. ";\n-- result: $msg"
. "\n-- takes: " . sprintf('%0.3f', $timer * 1000) . ' ms'
. ";\n-- " . date('Y-m-d H:i:s ')
);
}
return $res;
}
@@ -298,10 +302,10 @@ class dibi
/**
* Generates and returns SQL query
* Generates and prints SQL query
*
* @param array|mixed one or more arguments
* @return string
* @return bool
*/
static public function test($args)
{
@@ -309,19 +313,14 @@ class dibi
if (!is_array($args))
$args = func_get_args();
$dump = TRUE; // !!! todo
// and generate SQL
try {
$trans = new DibiTranslator(self::getConnection(), self::$substs);
$sql = $trans->translate($args);
if ($dump) self::dump($sql);
return $sql;
$ok = $trans->translate($args);
if (!$ok) echo 'ERROR: ';
} catch (DibiException $e) {
if ($dump) self::dump($e->getSql());
return FALSE;
}
self::dump($trans->sql);
return $ok;
}
@@ -382,15 +381,15 @@ class dibi
$sql = trim($sql);
// reduce spaces
// $sql = preg_replace('# +#', ' ', $sql);
$sql = preg_replace('# {2,}#', ' ', $sql);
$sql = wordwrap($sql, 100);
$sql = htmlSpecialChars($sql);
$sql = str_replace("\n", '<br />', $sql);
$sql = preg_replace("#\n{2,}#", "\n", $sql);
// syntax highlight
$sql = preg_replace_callback("#(/\*.+?\*/)|(\*\*.+?\*\*)|\\b($keywords1)\\b|\\b($keywords2)\\b#", array('dibi', 'dumpHighlight'), $sql);
$sql = '<pre class="dibi">' . $sql . '</pre>';
$sql = '<pre class="dibi">' . $sql . "</pre>\n";
// print & return
if (!$return) echo $sql;
@@ -461,7 +460,9 @@ class dibi
if (self::$logFile == NULL || self::$logMode == NULL) return;
$f = fopen(self::$logFile, self::$logMode);
fwrite($f, $message. "\r\n\r\n");
if (!$f) return;
flock($f, LOCK_EX);
fwrite($f, $message. "\n\n");
fclose($f);
}

19
dibi/drivers/mysql.php
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@@ -32,7 +32,6 @@ class DibiMySqlDriver extends DibiDriver {
public
$formats = array(
'NULL' => "NULL",
'TRUE' => "1",
'FALSE' => "0",
'date' => "'Y-m-d'",
@@ -107,16 +106,11 @@ class DibiMySqlDriver extends DibiDriver {
$this->insertId = $this->affectedRows = FALSE;
$res = @mysql_query($sql, $this->conn);
if ($res === FALSE) return FALSE;
if (is_resource($res))
return new DibiMySqlResult($res);
if ($res === FALSE)
throw new DibiException("Query error", array(
'message' => mysql_error($this->conn),
'code' => mysql_errno($this->conn),
'sql' => $sql,
));
$this->affectedRows = mysql_affected_rows($this->conn);
if ($this->affectedRows < 0) $this->affectedRows = FALSE;
@@ -157,6 +151,15 @@ class DibiMySqlDriver extends DibiDriver {
}
public function errorInfo()
{
return array(
'message' => mysql_error($this->conn),
'code' => mysql_errno($this->conn),
);
}
public function escape($value, $appendQuotes = FALSE)
{
return $appendQuotes

9
dibi/drivers/mysqli.php
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@@ -32,7 +32,6 @@ class DibiMySqliDriver extends DibiDriver {
public
$formats = array(
'NULL' => "NULL",
'TRUE' => "1",
'FALSE' => "0",
'date' => "'Y-m-d'",
@@ -74,12 +73,11 @@ class DibiMySqliDriver extends DibiDriver {
$this->insertId = $this->affectedRows = FALSE;
$res = @mysqli_query($this->conn, $sql);
if ($res === FALSE) return FALSE;
if (is_object($res))
return new DibiMySqliResult($res);
if ($res === FALSE)
throw new DibiException("Query error", $this->errorInfo($sql));
$this->affectedRows = mysqli_affected_rows($this->conn);
if ($this->affectedRows < 0) $this->affectedRows = FALSE;
@@ -124,12 +122,11 @@ class DibiMySqliDriver extends DibiDriver {
}
private function errorInfo($sql = NULL)
public function errorInfo()
{
return array(
'message' => mysqli_error($this->conn),
'code' => mysqli_errno($this->conn),
'sql' => $sql,
);
}

9
dibi/drivers/odbc.php
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@@ -31,7 +31,6 @@ class DibiOdbcDriver extends DibiDriver {
public
$formats = array(
'NULL' => "NULL",
'TRUE' => "-1",
'FALSE' => "0",
'date' => "#m/d/Y#",
@@ -75,12 +74,11 @@ class DibiOdbcDriver extends DibiDriver {
$res = @odbc_exec($this->conn, $sql);
if ($res === FALSE) return FALSE;
if (is_resource($res))
return new DibiOdbcResult($res);
if ($res === FALSE)
throw new DibiException("Query error", $this->errorInfo($sql));
$this->affectedRows = odbc_num_rows($this->conn);
if ($this->affectedRows < 0) $this->affectedRows = FALSE;
@@ -122,12 +120,11 @@ class DibiOdbcDriver extends DibiDriver {
}
private function errorInfo($sql = NULL)
public function errorInfo()
{
return array(
'message' => odbc_errormsg($this->conn),
'code' => odbc_error($this->conn),
'sql' => $sql,
);
}

18
dibi/drivers/postgre.php
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@@ -31,7 +31,6 @@ class DibiPostgreDriver extends DibiDriver {
public
$formats = array(
'NULL' => "NULL",
'TRUE' => "1",
'FALSE' => "0",
'date' => "'Y-m-d'",
@@ -80,15 +79,11 @@ class DibiPostgreDriver extends DibiDriver {
$errorMsg = '';
$res = @pg_query($this->conn, $sql);
if ($res === FALSE) return FALSE;
if (is_resource($res))
return new DibiPostgreResult($res);
if ($res === FALSE)
throw new DibiException("Query error", array(
'message' => pg_last_error($this->conn),
'sql' => $sql,
));
$this->affectedRows = pg_affected_rows($this->conn);
if ($this->affectedRows < 0) $this->affectedRows = FALSE;
@@ -126,6 +121,15 @@ class DibiPostgreDriver extends DibiDriver {
}
public function errorInfo()
{
return array(
'message' => pg_last_error($this->conn),
'code' => NULL,
);
}
public function escape($value, $appendQuotes = FALSE)
{
return $appendQuotes

21
dibi/drivers/sqlite.php
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@@ -28,11 +28,11 @@ class DibiSqliteDriver extends DibiDriver {
private
$conn,
$insertId = FALSE,
$affectedRows = FALSE;
$affectedRows = FALSE,
$errorMsg;
public
$formats = array(
'NULL' => "NULL",
'TRUE' => "1",
'FALSE' => "0",
'date' => "'Y-m-d'",
@@ -75,13 +75,9 @@ class DibiSqliteDriver extends DibiDriver {
$this->insertId = $this->affectedRows = FALSE;
$errorMsg = '';
$res = @sqlite_query($this->conn, $sql, SQLITE_ASSOC, $errorMsg);
$res = @sqlite_query($this->conn, $sql, SQLITE_ASSOC, $this->errorMsg);
if ($res === FALSE)
throw new DibiException("Query error", array(
'message' => $errorMsg,
'sql' => $sql,
));
if ($res === FALSE) return FALSE;
if (is_resource($res))
return new DibiSqliteResult($res);
@@ -126,6 +122,15 @@ class DibiSqliteDriver extends DibiDriver {
}
public function errorInfo()
{
return array(
'message' => $this->errorMsg,
'code' => NULL,
);
}
public function escape($value, $appendQuotes = FALSE)
{
return $appendQuotes

10
dibi/libs/driver.php
View File

@@ -39,7 +39,6 @@ abstract class DibiDriver
* @var array
*/
public $formats = array(
'NULL' => "NULL", // NULL
'TRUE' => "1", // boolean true
'FALSE' => "0", // boolean false
'date' => "'Y-m-d'", // format used by date()
@@ -54,7 +53,7 @@ abstract class DibiDriver
* @return DibiDriver
* @throw DibiException
*/
/*abstract disallowed PHP 5.2*/ static public function connect($config) {}
/*abstract disallowed since PHP 5.2*/ static public function connect($config) {}
@@ -85,7 +84,7 @@ abstract class DibiDriver
* Executes the SQL query
*
* @param string SQL statement.
* @return object|bool Result set object or TRUE on success, Exception on failure
* @return object|bool Result set object or TRUE on success, FALSE on failure
*/
abstract public function query($sql);
@@ -123,6 +122,11 @@ abstract class DibiDriver
abstract public function rollback();
/**
* Returns last error
* @return array with items 'message' and 'code'
*/
abstract public function errorInfo();
/**

9
dibi/libs/exception.php
View File

@@ -38,20 +38,13 @@ class DibiException extends Exception
if (isset($info['message']))
$message = "$message: $info[message]";
/* experimental */
dibi::log($message);
if (dibi::$debug) {
echo '[dibi error] ' . $message;
if (isset($info['sql'])) dibi::dump($info['sql']);
}
parent::__construct($message);
}
public function getSql()
{
return @$this->info['sql'];
return isset($this->info['sql']) ? $this->info['sql'] : NULL;
}

60
dibi/libs/translator.php
View File

@@ -36,6 +36,8 @@ class DibiTranslator
$ifLevel,
$ifLevelStart;
public $sql;
public function __construct($driver, $subst)
{
@@ -74,7 +76,7 @@ class DibiTranslator
$this->ifLevel++;
if (!$comment && !$arg) {
// open comment
$sql[] = '/*';
$sql[] = "\0";
$this->ifLevelStart = $this->ifLevel;
$comment = TRUE;
}
@@ -102,13 +104,17 @@ class DibiTranslator
$mod = FALSE;
} // foreach
if ($comment) $sql[] = '*/';
if ($comment) $sql[] = "\0";
$sql = implode(' ', $sql);
// remove comments
$sql = preg_replace('#\/\*.*?\*\/#s', '', $sql);
// TODO: check !!!
$sql = preg_replace('#\x00.*?\x00#s', '', $sql);
$this->sql = $sql;
return !$this->hasError;
if ($this->hasError)
throw new DibiException('Errors during generating SQL', array('sql' => $sql));
@@ -132,17 +138,9 @@ class DibiTranslator
// split into identifier & modifier
$pair = explode('%', $k, 2);
if (isset($pair[1])) {
$mod = $pair[1];
// %? skips NULLS
if (isset($mod[0]) && '?' == $mod[0]) {
if (NULL === $v) continue;
$mod = substr($mod, 1);
}
} else $mod = FALSE;
// generate array
$vx[] = $this->quote($pair[0]) . '=' . $this->formatValue($v, $mod);
$vx[] = $this->quote($pair[0]) . '='
. $this->formatValue($v, isset($pair[1]) ? $pair[1] : FALSE);
}
return implode(', ', $vx);
@@ -152,18 +150,9 @@ class DibiTranslator
// split into identifier & modifier
$pair = explode('%', $k, 2);
if (isset($pair[1])) {
$mod = $pair[1];
// %m? skips NULLS
if (isset($mod[0]) && '?' == $mod[0]) {
if ($v === NULL) continue;
$mod = substr($mod, 1);
}
} else $mod = FALSE;
// generate arrays
$kx[] = $this->quote($pair[0]);
$vx[] = $this->formatValue($v, $mod);
$vx[] = $this->formatValue($v, isset($pair[1]) ? $pair[1] : FALSE);
}
return '(' . implode(', ', $kx) . ') VALUES (' . implode(', ', $vx) . ')';
@@ -179,17 +168,21 @@ class DibiTranslator
// with modifier procession
if ($modifier) {
if ($value === NULL) return 'NULL';
if ($value instanceof IDibiVariable)
return $value->toSql($this->driver, $modifier);
if (!is_scalar($value) && !is_null($value)) { // array is already processed
if (!is_scalar($value)) { // array is already processed
$this->hasError = TRUE;
return '**Unexpected ' . gettype($value) . '**';
}
switch ($modifier) {
case "s": // string
case 's': // string
return $this->driver->escape($value, TRUE);
case 'sn': // string or NULL
return $value == '' ? 'NULL' : $this->driver->escape($value, TRUE);
case 'b': // boolean
return $value
? $this->driver->formats['TRUE']
@@ -209,7 +202,8 @@ class DibiTranslator
: $value);
case 'n': // identifier name
return $this->quote($value);
case 'p': // preserve as SQL
case 'sql':// preserve as SQL
case 'p': // back compatibility
$value = (string) $value;
// speed-up - is regexp required?
@@ -229,11 +223,11 @@ class DibiTranslator
(\')((?:\'\'|[^\'])*)\'| ## 3,4) string
(")((?:""|[^"])*)"| ## 5,6) "string"
%(else|end)| ## 7) conditional SQL
%([a-zA-Z]{1,2})$| ## 8) right modifier
%([a-zA-Z]{1,3})$| ## 8) right modifier
(\'|") ## 9) lone-quote
)/xs',
*/
. preg_replace_callback('/(?=`|\[|\'|"|%)(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|%(else|end)|%([a-zA-Z]{1,2})$|(\'|"))/s',
. preg_replace_callback('/(?=`|\[|\'|"|%)(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|%(else|end)|%([a-zA-Z]{1,3})$|(\'|"))/s',
array($this, 'cb'),
substr($value, $toSkip)
);
@@ -263,8 +257,8 @@ class DibiTranslator
if (is_bool($value))
return $value ? $this->driver->formats['TRUE'] : $this->driver->formats['FALSE'];
if (is_null($value))
return $this->driver->formats['NULL'];
if ($value === NULL)
return 'NULL';
if ($value instanceof IDibiVariable)
return $value->toSql($this->driver);
@@ -306,7 +300,7 @@ class DibiTranslator
// close comment
$this->ifLevelStart = 0;
$this->comment = FALSE;
return '*/';
return "\0";
}
return '';
}
@@ -315,11 +309,11 @@ class DibiTranslator
if ($this->ifLevelStart == $this->ifLevel) {
$this->ifLevelStart = 0;
$this->comment = FALSE;
return '*/';
return "\0";
} elseif (!$this->comment) {
$this->ifLevelStart = $this->ifLevel;
$this->comment = TRUE;
return '/*';
return "\0";
}
}

1
examples/fetch.php
View File

@@ -3,7 +3,6 @@
require_once '../dibi/dibi.php';
dibi::$debug = true;
// mysql
dibi::connect(array(

13
examples/logger.php
View File

@@ -4,9 +4,20 @@
require_once '../dibi/dibi.php';
// required since PHP 5.1.0
if (function_exists('date_default_timezone_set'))
date_default_timezone_set('Europe/Prague'); // or 'GMT'
// enable log to this file
dibi::$logFile = 'log.sql';
// append mode
dibi::$logMode = 'a';
// log all queries
dibi::$logAll = TRUE;
// mysql
dibi::connect(array(
@@ -14,7 +25,7 @@ dibi::connect(array(
'host' => 'localhost',
'username' => 'root',
'password' => 'xxx', // change to real password!
'database' => 'test',
'database' => 'xxx',
'charset' => 'utf8',
));

22
examples/sql-builder.php
View File

@@ -6,7 +6,6 @@ pre.dibi { padding-bottom: 10px; }
require_once '../dibi/dibi.php';
// required since PHP 5.1.0
if (function_exists('date_default_timezone_set'))
date_default_timezone_set('Europe/Prague'); // or 'GMT'
@@ -33,9 +32,8 @@ $arr3 = array(
$arr4 = array(
'a' => 12,
'b' => NULL,
'c%?' => NULL,
'd%t' => time(), // modifier 'T' means datetime
'e' => 'any string',
'c%t' => time(), // modifier 'T' means datetime
'd' => 'any string',
);
$arr5 = array('RAND()', '[col1] > [col2]');
@@ -48,12 +46,15 @@ WHERE ([test.a] LIKE %d", '1995-03-01', "
OR [b2] IN (%s", $arr1, ")
OR [b3] IN (", $arr2, ")
OR [b4] IN (%n", $arr3, ")
OR [b4] IN (%p", $arr5, ")
OR [b5] IN (%sql", $arr5, ")
OR [b6] IN (", array(), ")
AND [c] = 'embedded '' string'
OR [d]=%i", 10.3, "
OR [true]=", true, "
OR [false]=", false, "
OR [null]=", NULL, "
OR [e]=%i", NULL, "
OR [true]=", TRUE, "
OR [false]=", FALSE, "
OR [str_null]=%sn", '', "
OR [str_not_null]=%sn", 'hello', "
LIMIT 10");
@@ -66,7 +67,8 @@ $n = 123;
dibi::test("UPDATE [test] SET", $arr4, " WHERE [id]=%i", $n);
// array with modifier %a - means strings
// array with modifier %a - assoc
dibi::test("UPDATE [test] SET%a", $arr4, " WHERE [id]=%i", $n);
?>

2
examples/table-prefix.php
View File

@@ -13,7 +13,7 @@ dibi::connect(array(
));
// create new substitution :blog: ==> wp_items_
// create new substitution :blog: ==> wp_
dibi::addSubst('blog', 'wp_');

2
version.txt
View File

@@ -1 +1 @@
Dibi Version 0.6e
Dibi Version 0.7a