Merge pull request #483 from deeky666/fix-sql-parser-for-sql-server

Fix parsing SQL Server bracket delimiters in SQL statements

lib/Doctrine/DBAL/SQLParserUtils.php

@@ -35,6 +35,7 @@ class SQLParserUtils
     const ESCAPED_SINGLE_QUOTED_TEXT = "'(?:[^'\\\\]|\\\\'?)*'";
     const ESCAPED_DOUBLE_QUOTED_TEXT = '"(?:[^"\\\\]|\\\\"?)*"';
     const ESCAPED_BACKTICK_QUOTED_TEXT = '`(?:[^`\\\\]|\\\\`?)*`';
+    const ESCAPED_BRACKET_QUOTED_TEXT = '\[(?:[^\]])*\]';
 
     /**
      * Gets an array of the placeholders in an sql statements as keys and their positions in the query string.
@@ -195,8 +196,9 @@ class SQLParserUtils
     {
         $literal = self::ESCAPED_SINGLE_QUOTED_TEXT . '|' .
                    self::ESCAPED_DOUBLE_QUOTED_TEXT . '|' .
-                   self::ESCAPED_BACKTICK_QUOTED_TEXT;
-        preg_match_all("/([^'\"`]+)(?:$literal)?/s", $statement, $fragments, PREG_OFFSET_CAPTURE);
+                   self::ESCAPED_BACKTICK_QUOTED_TEXT . '|' .
+                   self::ESCAPED_BRACKET_QUOTED_TEXT;
+        preg_match_all("/([^'\"`\[]+)(?:$literal)?/s", $statement, $fragments, PREG_OFFSET_CAPTURE);
 
         return $fragments[1];
     }

tests/Doctrine/Tests/DBAL/SQLParserUtilsTest.php

@@ -27,15 +27,19 @@ class SQLParserUtilsTest extends \Doctrine\Tests\DbalTestCase
             array('SELECT "?" FROM foo', true, array()),
             array("SELECT '?' FROM foo", true, array()),
             array("SELECT `?` FROM foo", true, array()), // Ticket DBAL-552
+            array("SELECT [?] FROM foo", true, array()),
             array("SELECT 'Doctrine\DBAL?' FROM foo", true, array()), // Ticket DBAL-558
             array('SELECT "Doctrine\DBAL?" FROM foo', true, array()), // Ticket DBAL-558
             array('SELECT `Doctrine\DBAL?` FROM foo', true, array()), // Ticket DBAL-558
+            array('SELECT [Doctrine\DBAL?] FROM foo', true, array()), // Ticket DBAL-558
             array('SELECT "?" FROM foo WHERE bar = ?', true, array(32)),
             array("SELECT '?' FROM foo WHERE bar = ?", true, array(32)),
             array("SELECT `?` FROM foo WHERE bar = ?", true, array(32)), // Ticket DBAL-552
+            array("SELECT [?] FROM foo WHERE bar = ?", true, array(32)),
             array("SELECT 'Doctrine\DBAL?' FROM foo WHERE bar = ?", true, array(45)), // Ticket DBAL-558
             array('SELECT "Doctrine\DBAL?" FROM foo WHERE bar = ?', true, array(45)), // Ticket DBAL-558
             array('SELECT `Doctrine\DBAL?` FROM foo WHERE bar = ?', true, array(45)), // Ticket DBAL-558
+            array('SELECT [Doctrine\DBAL?] FROM foo WHERE bar = ?', true, array(45)), // Ticket DBAL-558
             array(
 <<<'SQLDATA'
 SELECT * FROM foo WHERE bar = 'it\'s a trap? \\' OR bar = ?
@@ -55,6 +59,7 @@ SQLDATA
             array('SELECT * FROM Foo WHERE bar > :start_date AND baz > :start_date', false, array(30 => 'start_date', 52 =>  'start_date')), // Ticket GH-113
             array('SELECT foo::date as date FROM Foo WHERE bar > :start_date AND baz > :start_date', false, array(46 => 'start_date', 68 =>  'start_date')), // Ticket GH-259
             array('SELECT `d.ns:col_name` FROM my_table d WHERE `d.date` >= :param1', false, array(57 => 'param1')), // Ticket DBAL-552
+            array('SELECT [d.ns:col_name] FROM my_table d WHERE [d.date] >= :param1', false, array(57 => 'param1')), // Ticket DBAL-552
         );
     }