Developer
<?php
namespace Barryvdh\Debugbar\DataCollector;
use DebugBar\DataCollector\PDO\PDOCollector;
use DebugBar\DataCollector\TimeDataCollector;
use Illuminate\Support\Str;
/**
* Collects data about SQL statements executed with PDO
*/
class QueryCollector extends PDOCollector
{
protected $timeCollector;
protected $queries = [];
protected $queryCount = 0;
protected $softLimit = null;
protected $hardLimit = null;
protected $lastMemoryUsage;
protected $renderSqlWithParams = false;
protected $findSource = false;
protected $middleware = [];
protected $durationBackground = true;
protected $explainQuery = false;
protected $explainTypes = ['SELECT']; // ['SELECT', 'INSERT', 'UPDATE', 'DELETE']; for MySQL 5.6.3+
protected $showHints = false;
protected $showCopyButton = false;
protected $reflection = [];
protected $backtraceExcludePaths = [
'/vendor/laravel/framework/src/Illuminate/Support',
'/vendor/laravel/framework/src/Illuminate/Database',
'/vendor/laravel/framework/src/Illuminate/Events',
'/vendor/laravel/framework/src/Illuminate/Collections',
'/vendor/october/rain',
'/vendor/barryvdh/laravel-debugbar',
];
/**
* @param TimeDataCollector $timeCollector
*/
public function __construct(TimeDataCollector $timeCollector = null)
{
$this->timeCollector = $timeCollector;
}
/**
* @param int|null $softLimit After the soft limit, no parameters/backtrace are captured
* @param int|null $hardLimit After the hard limit, queries are ignored
* @return void
*/
public function setLimits(?int $softLimit, ?int $hardLimit): void
{
$this->softLimit = $softLimit;
$this->hardLimit = $hardLimit;
}
/**
* Renders the SQL of traced statements with params embedded
*
* @param boolean $enabled
* @param string $quotationChar NOT USED
*/
public function setRenderSqlWithParams($enabled = true, $quotationChar = "'")
{
$this->renderSqlWithParams = $enabled;
}
/**
* Show or hide the hints in the parameters
*
* @param boolean $enabled
*/
public function setShowHints($enabled = true)
{
$this->showHints = $enabled;
}
/**
* Show or hide copy button next to the queries
*
* @param boolean $enabled
*/
public function setShowCopyButton($enabled = true)
{
$this->showCopyButton = $enabled;
}
/**
* Enable/disable finding the source
*
* @param bool|int $value
* @param array $middleware
*/
public function setFindSource($value, array $middleware)
{
$this->findSource = $value;
$this->middleware = $middleware;
}
/**
* Set additional paths to exclude from the backtrace
*
* @param array $excludePaths Array of file paths to exclude from backtrace
*/
public function mergeBacktraceExcludePaths(array $excludePaths)
{
$this->backtraceExcludePaths = array_merge($this->backtraceExcludePaths, $excludePaths);
}
/**
* Enable/disable the shaded duration background on queries
*
* @param bool $enabled
*/
public function setDurationBackground($enabled = true)
{
$this->durationBackground = $enabled;
}
/**
* Enable/disable the EXPLAIN queries
*
* @param bool $enabled
* @param array|null $types Array of types to explain queries (select/insert/update/delete)
*/
public function setExplainSource($enabled, $types)
{
$this->explainQuery = $enabled;
// workaround ['SELECT'] only. https://github.com/barryvdh/laravel-debugbar/issues/888
// if($types){
// $this->explainTypes = $types;
// }
}
public function startMemoryUsage()
{
$this->lastMemoryUsage = memory_get_usage(false);
}
/**
*
* @param \Illuminate\Database\Events\QueryExecuted $query
*/
public function addQuery($query)
{
$this->queryCount++;
if ($this->hardLimit && $this->queryCount > $this->hardLimit) {
return;
}
$limited = $this->softLimit && $this->queryCount > $this->softLimit;
$sql = (string) $query->sql;
$explainResults = [];
$time = $query->time / 1000;
$endTime = microtime(true);
$startTime = $endTime - $time;
$hints = $this->performQueryAnalysis($sql);
$pdo = null;
try {
$pdo = $query->connection->getPdo();
} catch (\Throwable $e) {
// ignore error for non-pdo laravel drivers
}
$bindings = $query->connection->prepareBindings($query->bindings);
// Run EXPLAIN on this query (if needed)
if (!$limited && $this->explainQuery && $pdo && preg_match('/^\s*(' . implode('|', $this->explainTypes) . ') /i', $sql)) {
$statement = $pdo->prepare('EXPLAIN ' . $sql);
$statement->execute($bindings);
$explainResults = $statement->fetchAll(\PDO::FETCH_CLASS);
}
$bindings = $this->getDataFormatter()->checkBindings($bindings);
if (!empty($bindings) && $this->renderSqlWithParams) {
foreach ($bindings as $key => $binding) {
// This regex matches placeholders only, not the question marks,
// nested in quotes, while we iterate through the bindings
// and substitute placeholders by suitable values.
$regex = is_numeric($key)
? "/(?<!\?)\?(?=(?:[^'\\\']*'[^'\\']*')*[^'\\\']*$)(?!\?)/"
: "/:{$key}(?=(?:[^'\\\']*'[^'\\\']*')*[^'\\\']*$)/";
// Mimic bindValue and only quote non-integer and non-float data types
if (!is_int($binding) && !is_float($binding)) {
if ($pdo) {
try {
$binding = $pdo->quote((string) $binding);
} catch (\Exception $e) {
$binding = $this->emulateQuote($binding);
}
} else {
$binding = $this->emulateQuote($binding);
}
}
$sql = preg_replace($regex, addcslashes($binding, '$'), $sql, 1);
}
}
$source = [];
if (!$limited && $this->findSource) {
try {
$source = $this->findSource();
} catch (\Exception $e) {
}
}
$this->queries[] = [
'query' => $sql,
'type' => 'query',
'bindings' => !$limited ? $this->getDataFormatter()->escapeBindings($bindings) : null,
'start' => $startTime,
'time' => $time,
'memory' => $this->lastMemoryUsage ? memory_get_usage(false) - $this->lastMemoryUsage : 0,
'source' => $source,
'explain' => $explainResults,
'connection' => $query->connection->getDatabaseName(),
'driver' => $query->connection->getConfig('driver'),
'hints' => ($this->showHints && !$limited) ? $hints : null,
'show_copy' => $this->showCopyButton,
];
if ($this->timeCollector !== null) {
$this->timeCollector->addMeasure(Str::limit($sql, 100), $startTime, $endTime, [], 'db');
}
}
/**
* Mimic mysql_real_escape_string
*
* @param string $value
* @return string
*/
protected function emulateQuote($value)
{
$search = ["\\", "\x00", "\n", "\r", "'", '"', "\x1a"];
$replace = ["\\\\","\\0","\\n", "\\r", "\'", '\"', "\\Z"];
return "'" . str_replace($search, $replace, (string) $value) . "'";
}
/**
* Explainer::performQueryAnalysis()
*
* Perform simple regex analysis on the code
*
* @package xplain (https://github.com/rap2hpoutre/mysql-xplain-xplain)
* @author e-doceo
* @copyright 2014
* @version $Id$
* @access public
* @param string $query
* @return string[]
*/
protected function performQueryAnalysis($query)
{
// @codingStandardsIgnoreStart
$hints = [];
if (preg_match('/^\\s*SELECT\\s*`?[a-zA-Z0-9]*`?\\.?\\*/i', $query)) {
$hints[] = 'Use <code>SELECT *</code> only if you need all columns from table';
}
if (preg_match('/ORDER BY RAND()/i', $query)) {
$hints[] = '<code>ORDER BY RAND()</code> is slow, try to avoid if you can.
You can <a href="https://stackoverflow.com/questions/2663710/how-does-mysqls-order-by-rand-work" target="_blank">read this</a>
or <a href="https://stackoverflow.com/questions/1244555/how-can-i-optimize-mysqls-order-by-rand-function" target="_blank">this</a>';
}
if (strpos($query, '!=') !== false) {
$hints[] = 'The <code>!=</code> operator is not standard. Use the <code><></code> operator to test for inequality instead.';
}
if (stripos($query, 'WHERE') === false && preg_match('/^(SELECT) /i', $query)) {
$hints[] = 'The <code>SELECT</code> statement has no <code>WHERE</code> clause and could examine many more rows than intended';
}
if (preg_match('/LIMIT\\s/i', $query) && stripos($query, 'ORDER BY') === false) {
$hints[] = '<code>LIMIT</code> without <code>ORDER BY</code> causes non-deterministic results, depending on the query execution plan';
}
if (preg_match('/LIKE\\s[\'"](%.*?)[\'"]/i', $query, $matches)) {
$hints[] = 'An argument has a leading wildcard character: <code>' . $matches[1] . '</code>.
The predicate with this argument is not sargable and cannot use an index if one exists.';
}
return $hints;
// @codingStandardsIgnoreEnd
}
/**
* Use a backtrace to search for the origins of the query.
*
* @return array
*/
protected function findSource()
{
$stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT, app('config')->get('debugbar.debug_backtrace_limit', 50));
$sources = [];
foreach ($stack as $index => $trace) {
$sources[] = $this->parseTrace($index, $trace);
}
return array_slice(array_filter($sources), 0, is_int($this->findSource) ? $this->findSource : 5);
}
/**
* Parse a trace element from the backtrace stack.
*
* @param int $index
* @param array $trace
* @return object|bool
*/
protected function parseTrace($index, array $trace)
{
$frame = (object) [
'index' => $index,
'namespace' => null,
'name' => null,
'file' => null,
'line' => isset($trace['line']) ? $trace['line'] : '?',
];
if (isset($trace['function']) && $trace['function'] == 'substituteBindings') {
$frame->name = 'Route binding';
return $frame;
}
if (
isset($trace['class']) &&
isset($trace['file']) &&
!$this->fileIsInExcludedPath($trace['file'])
) {
$frame->file = $trace['file'];
if (isset($trace['object']) && is_a($trace['object'], 'Twig_Template')) {
list($frame->file, $frame->line) = $this->getTwigInfo($trace);
} elseif (strpos($frame->file, storage_path()) !== false) {
$hash = pathinfo($frame->file, PATHINFO_FILENAME);
if ($frame->name = $this->findViewFromHash($hash)) {
$frame->file = $frame->name[1];
$frame->name = $frame->name[0];
} else {
$frame->name = $hash;
}
$frame->namespace = 'view';
return $frame;
} elseif (strpos($frame->file, 'Middleware') !== false) {
$frame->name = $this->findMiddlewareFromFile($frame->file);
if ($frame->name) {
$frame->namespace = 'middleware';
} else {
$frame->name = $this->normalizeFilePath($frame->file);
}
return $frame;
}
$frame->name = $this->normalizeFilePath($frame->file);
return $frame;
}
return false;
}
/**
* Check if the given file is to be excluded from analysis
*
* @param string $file
* @return bool
*/
protected function fileIsInExcludedPath($file)
{
$normalizedPath = str_replace('\\', '/', $file);
foreach ($this->backtraceExcludePaths as $excludedPath) {
if (strpos($normalizedPath, $excludedPath) !== false) {
return true;
}
}
return false;
}
/**
* Find the middleware alias from the file.
*
* @param string $file
* @return string|null
*/
protected function findMiddlewareFromFile($file)
{
$filename = pathinfo($file, PATHINFO_FILENAME);
foreach ($this->middleware as $alias => $class) {
if (strpos($class, $filename) !== false) {
return $alias;
}
}
}
/**
* Find the template name from the hash.
*
* @param string $hash
* @return null|array
*/
protected function findViewFromHash($hash)
{
$finder = app('view')->getFinder();
if (isset($this->reflection['viewfinderViews'])) {
$property = $this->reflection['viewfinderViews'];
} else {
$reflection = new \ReflectionClass($finder);
$property = $reflection->getProperty('views');
$property->setAccessible(true);
$this->reflection['viewfinderViews'] = $property;
}
$xxh128Exists = in_array('xxh128', hash_algos());
foreach ($property->getValue($finder) as $name => $path) {
if (($xxh128Exists && hash('xxh128', 'v2' . $path) == $hash) || sha1('v2' . $path) == $hash) {
return [$name, $path];
}
}
}
/**
* Get the filename/line from a Twig template trace
*
* @param array $trace
* @return array The file and line
*/
protected function getTwigInfo($trace)
{
$file = $trace['object']->getTemplateName();
if (isset($trace['line'])) {
foreach ($trace['object']->getDebugInfo() as $codeLine => $templateLine) {
if ($codeLine <= $trace['line']) {
return [$file, $templateLine];
}
}
}
return [$file, -1];
}
/**
* Collect a database transaction event.
* @param string $event
* @param \Illuminate\Database\Connection $connection
* @return array
*/
public function collectTransactionEvent($event, $connection)
{
$source = [];
if ($this->findSource) {
try {
$source = $this->findSource();
} catch (\Exception $e) {
}
}
$this->queries[] = [
'query' => $event,
'type' => 'transaction',
'bindings' => [],
'start' => microtime(true),
'time' => 0,
'memory' => 0,
'source' => $source,
'explain' => [],
'connection' => $connection->getDatabaseName(),
'driver' => $connection->getConfig('driver'),
'hints' => null,
'show_copy' => false,
];
}
/**
* Reset the queries.
*/
public function reset()
{
$this->queries = [];
$this->queryCount = 0;
}
/**
* {@inheritDoc}
*/
public function collect()
{
$totalTime = 0;
$totalMemory = 0;
$queries = $this->queries;
$statements = [];
foreach ($queries as $query) {
$source = reset($query['source']);
$totalTime += $query['time'];
$totalMemory += $query['memory'];
$statements[] = [
'sql' => $this->getDataFormatter()->formatSql($query['query']),
'type' => $query['type'],
'params' => [],
'bindings' => $query['bindings'],
'hints' => $query['hints'],
'show_copy' => $query['show_copy'],
'backtrace' => array_values($query['source']),
'start' => $query['start'] ?? null,
'duration' => $query['time'],
'duration_str' => ($query['type'] == 'transaction') ? '' : $this->formatDuration($query['time']),
'memory' => $query['memory'],
'memory_str' => $query['memory'] ? $this->getDataFormatter()->formatBytes($query['memory']) : null,
'filename' => $this->getDataFormatter()->formatSource($source, true),
'source' => $this->getDataFormatter()->formatSource($source),
'xdebug_link' => is_object($source) ? $this->getXdebugLink($source->file ?: '', $source->line) : null,
'connection' => $query['connection'],
];
if ($query['explain']) {
// Add the results from the EXPLAIN as new rows
if ($query['driver'] === 'pgsql') {
$explainer = trim(implode("\n", array_map(function ($explain) {
return $explain->{'QUERY PLAN'};
}, $query['explain'])));
if ($explainer) {
$statements[] = [
'sql' => " - EXPLAIN: {$explainer}",
'type' => 'explain',
];
}
} elseif ($query['driver'] === 'sqlite') {
$vmi = '<table style="margin:-5px -11px !important;width: 100% !important">';
$vmi .= "<thead><tr>
<td>Address</td>
<td>Opcode</td>
<td>P1</td>
<td>P2</td>
<td>P3</td>
<td>P4</td>
<td>P5</td>
<td>Comment</td>
</tr></thead>";
foreach ($query['explain'] as $explain) {
$vmi .= "<tr>
<td>{$explain->addr}</td>
<td>{$explain->opcode}</td>
<td>{$explain->p1}</td>
<td>{$explain->p2}</td>
<td>{$explain->p3}</td>
<td>{$explain->p4}</td>
<td>{$explain->p5}</td>
<td>{$explain->comment}</td>
</tr>";
}
$vmi .= '</table>';
$statements[] = [
'sql' => " - EXPLAIN:",
'type' => 'explain',
'params' => [
'Virtual Machine Instructions' => $vmi,
]
];
} else {
foreach ($query['explain'] as $explain) {
$statements[] = [
'sql' => " - EXPLAIN # {$explain->id}: `{$explain->table}` ({$explain->select_type})",
'type' => 'explain',
'params' => $explain,
'row_count' => $explain->rows,
'stmt_id' => $explain->id,
];
}
}
}
}
if ($this->durationBackground) {
if ($totalTime > 0) {
// For showing background measure on Queries tab
$start_percent = 0;
foreach ($statements as $i => $statement) {
if (!isset($statement['duration'])) {
continue;
}
$width_percent = $statement['duration'] / $totalTime * 100;
$statements[$i] = array_merge($statement, [
'start_percent' => round($start_percent, 3),
'width_percent' => round($width_percent, 3),
]);
$start_percent += $width_percent;
}
}
}
if ($this->softLimit && $this->hardLimit && ($this->queryCount > $this->softLimit && $this->queryCount > $this->hardLimit)) {
array_unshift($statements, [
'sql' => '# Query soft and hard limit for Debugbar are reached. Only the first ' . $this->softLimit . ' queries show details. Queries after the first ' . $this->hardLimit . ' are ignored. Limits can be raised in the config (debugbar.options.db.soft/hard_limit).',
'type' => 'info',
]);
$statements[] = [
'sql' => '... ' . ($this->queryCount - $this->hardLimit) . ' additional queries are executed but now shown because of Debugbar query limits. Limits can be raised in the config (debugbar.options.db.soft/hard_limit)',
'type' => 'info',
];
} elseif ($this->hardLimit && $this->queryCount > $this->hardLimit) {
array_unshift($statements, [
'sql' => '# Query hard limit for Debugbar is reached after ' . $this->hardLimit . ' queries, additional ' . ($this->queryCount - $this->hardLimit) . ' queries are not shown.. Limits can be raised in the config (debugbar.options.db.hard_limit)',
'type' => 'info',
]);
$statements[] = [
'sql' => '... ' . ($this->queryCount - $this->hardLimit) . ' additional queries are executed but now shown because of Debugbar query limits. Limits can be raised in the config (debugbar.options.db.hard_limit)',
'type' => 'info',
];
} elseif ($this->softLimit && $this->queryCount > $this->softLimit) {
array_unshift($statements, [
'sql' => '# Query soft limit for Debugbar is reached after ' . $this->softLimit . ' queries, additional ' . ($this->queryCount - $this->softLimit) . ' queries only show the query. Limit can be raised in the config. Limits can be raised in the config (debugbar.options.db.soft_limit)',
'type' => 'info',
]);
}
$data = [
'nb_statements' => $this->queryCount,
'nb_failed_statements' => 0,
'accumulated_duration' => $totalTime,
'accumulated_duration_str' => $this->formatDuration($totalTime),
'memory_usage' => $totalMemory,
'memory_usage_str' => $totalMemory ? $this->getDataFormatter()->formatBytes($totalMemory) : null,
'statements' => $statements
];
return $data;
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'queries';
}
/**
* {@inheritDoc}
*/
public function getWidgets()
{
return [
"queries" => [
"icon" => "database",
"widget" => "PhpDebugBar.Widgets.SQLQueriesWidget",
"map" => "queries",
"default" => "[]"
],
"queries:badge" => [
"map" => "queries.nb_statements",
"default" => 0
]
];
}
}
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