Fix quotes in comments breaking parameters

An odd number of quotes in comments would cause getUnquotedStatementFragments to start returning the inside of strings, rather than the outside.
Ignore comment lines to solve this problem.

lib/Doctrine/DBAL/SQLParserUtils.php

@@ -4,6 +4,7 @@
 
 use const PREG_OFFSET_CAPTURE;
 use function array_fill;
+use function array_filter;
 use function array_key_exists;
 use function array_merge;
 use function array_slice;
@@ -250,11 +251,12 @@ private static function getUnquotedStatementFragments($statement)
             self::ESCAPED_DOUBLE_QUOTED_TEXT . '|' .
             self::ESCAPED_BACKTICK_QUOTED_TEXT . '|' .
             self::ESCAPED_BRACKET_QUOTED_TEXT;
-        $expression = sprintf('/((.+(?i:ARRAY)\\[.+\\])|([^\'"`\\[]+))(?:%s)?/s', $literal);
-
+        $expression = sprintf('/(?:[\s]*--.*?\n)|((.+(?i:ARRAY)\\[.+\\])|([^-\'"`\\[]+))(?:%s)?/s', $literal);
         preg_match_all($expression, $statement, $fragments, PREG_OFFSET_CAPTURE);
 
-        return $fragments[1];
+        return array_filter($fragments[1], static function ($match) {
+            return $match !== '';
+        });
     }
 
     /**