Fix regex for escaped literals

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

lib/Doctrine/DBAL/SQLParserUtils.php

@@ -36,9 +36,9 @@ class SQLParserUtils
      *
      * @deprecated Will be removed as internal implementation details.
      */
-    public const ESCAPED_SINGLE_QUOTED_TEXT   = "(?:'(?:\\\\\\\\)+'|'(?:[^'\\\\]|\\\\'?|'')*')";
-    public const ESCAPED_DOUBLE_QUOTED_TEXT   = '(?:"(?:\\\\\\\\)+"|"(?:[^"\\\\]|\\\\"?)*")';
-    public const ESCAPED_BACKTICK_QUOTED_TEXT = '(?:`(?:\\\\\\\\)+`|`(?:[^`\\\\]|\\\\`?)*`)';
+    public const ESCAPED_SINGLE_QUOTED_TEXT   = "(?:'(?:\\\\)+'|'(?:[^'\\\\]|\\\\'?|'')*')";
+    public const ESCAPED_DOUBLE_QUOTED_TEXT   = '(?:"(?:\\\\)+"|"(?:[^"\\\\]|\\\\"?)*")';
+    public const ESCAPED_BACKTICK_QUOTED_TEXT = '(?:`(?:\\\\)+`|`(?:[^`\\\\]|\\\\`?)*`)';
     /**#@-*/
 
     private const ESCAPED_BRACKET_QUOTED_TEXT = '(?<!\b(?i:ARRAY))\[(?:[^\]])*\]';

tests/Doctrine/Tests/DBAL/SQLParserUtilsTest.php

@@ -102,8 +102,7 @@ SQLDATA
             ['SELECT data.age AS age, data.id AS id, data.name AS name, data.id AS id FROM test_data data WHERE (data.description LIKE :condition_0 ESCAPE "\\\\") AND (data.description LIKE :condition_1 ESCAPE \'\\\\\') ORDER BY id ASC', [121 => 'condition_0', 174 => 'condition_1']],
             ['SELECT data.age AS age, data.id AS id, data.name AS name, data.id AS id FROM test_data data WHERE (data.description LIKE :condition_0 ESCAPE `\\\\`) AND (data.description LIKE :condition_1 ESCAPE `\\\\`) ORDER BY id ASC', [121 => 'condition_0', 174 => 'condition_1']],
             ['SELECT data.age AS age, data.id AS id, data.name AS name, data.id AS id FROM test_data data WHERE (data.description LIKE :condition_0 ESCAPE \'\\\\\') AND (data.description LIKE :condition_1 ESCAPE `\\\\`) ORDER BY id ASC', [121 => 'condition_0', 174 => 'condition_1']],
-            ["SELECT * FROM Foo WHERE (foo.bar LIKE :condition_0 ESCAPE '\') AND (foo.baz = :condition_1) AND (foo.bak LIKE :condition_2 ESCAPE '\')", false, [38 => 'condition_0', 78 => 'condition_1', 110 => 'condition_2']],
-
+            ["SELECT * FROM Foo WHERE (foo.bar LIKE :condition_0 ESCAPE '\') AND (foo.baz = :condition_1) AND (foo.bak LIKE :condition_2 ESCAPE '\')", [38 => 'condition_0', 78 => 'condition_1', 110 => 'condition_2']], // Ticket GH-3640
         ];
     }