limit sql length to avoid breaking the json (#326)

* limit sql length to avoid breaking the json

* Added as config+env var

* Update pulse.php

* Update SlowQueries.php

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: kima92

Diff for: config/pulse.php

@@ -196,6 +196,7 @@
             'threshold' => env('PULSE_SLOW_QUERIES_THRESHOLD', 1000),
             'location' => env('PULSE_SLOW_QUERIES_LOCATION', true),
             'highlighting' => env('PULSE_SLOW_QUERIES_HIGHLIGHTING', true),
+            'max_query_length' => env('PULSE_SLOW_QUERIES_MAX_QUERY_LENGTH', null),
             'ignore' => [
                 '/(["`])pulse_[\w]+?\1/', // Pulse tables...
                 '/(["`])telescope_[\w]+?\1/', // Telescope tables...

Diff for: src/Recorders/SlowQueries.php

@@ -55,6 +55,10 @@ public function record(QueryExecuted $event): void
                 return;
             }
 
+            if ($maxQueryLength = $this->config->get('pulse.recorders.'.self::class.'.max_query_length')) {
+                $sql = Str::limit($sql, $maxQueryLength);
+            }
+
             $this->pulse->record(
                 type: 'slow_query',
                 key: json_encode([$sql, $location], flags: JSON_THROW_ON_ERROR),