From 454f80d80f6fb98da9b9e5e9fcf10bf15207f3d9 Mon Sep 17 00:00:00 2001
From: Shen Longxing <shenlongxing2012@gmail.com>
Date: Fri, 18 Dec 2015 15:29:33 +0800
Subject: [PATCH 1/3] fix issue #215

Add keyword 'WHILE'
---
 sqlparse/keywords.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sqlparse/keywords.py b/sqlparse/keywords.py
index 1595aa89..b3bda861 100644
--- a/sqlparse/keywords.py
+++ b/sqlparse/keywords.py
@@ -565,6 +565,7 @@
     'AS': tokens.Keyword,
     'ELSE': tokens.Keyword,
     'FOR': tokens.Keyword,
+    'WHILE': tokens.Keyword,
 
     'CASE': tokens.Keyword,
     'WHEN': tokens.Keyword,

From d7201a14ad7a8876079a31f7b7281ddf5ac47b94 Mon Sep 17 00:00:00 2001
From: Shen Longxing <shenlongxing2012@gmail.com>
Date: Fri, 18 Dec 2015 15:34:52 +0800
Subject: [PATCH 2/3] fix issue #215

Add token for 'END WHILE'
---
 sqlparse/lexer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sqlparse/lexer.py b/sqlparse/lexer.py
index d0f8e3b3..7dd013ea 100644
--- a/sqlparse/lexer.py
+++ b/sqlparse/lexer.py
@@ -201,7 +201,7 @@ class _Lexer(object):
             (r'(?<![\w\])])(\[[^\]]+\])', tokens.Name),
             (r'((LEFT\s+|RIGHT\s+|FULL\s+)?(INNER\s+|OUTER\s+|STRAIGHT\s+)?'
              r'|(CROSS\s+|NATURAL\s+)?)?JOIN\b', tokens.Keyword),
-            (r'END(\s+IF|\s+LOOP)?\b', tokens.Keyword),
+            (r'END(\s+IF|\s+LOOP|\s+WHILE)?\b', tokens.Keyword),
             (r'NOT NULL\b', tokens.Keyword),
             (r'CREATE(\s+OR\s+REPLACE)?\b', tokens.Keyword.DDL),
             (r'DOUBLE\s+PRECISION\b', tokens.Name.Builtin),

From d0124b877739501187c76b6587856d86396123a7 Mon Sep 17 00:00:00 2001
From: Shen Longxing <shenlongxing2012@gmail.com>
Date: Fri, 18 Dec 2015 15:38:26 +0800
Subject: [PATCH 3/3] fix issue #215

Add splitlevel for while/end while
---
 sqlparse/engine/filter.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sqlparse/engine/filter.py b/sqlparse/engine/filter.py
index 149db581..360ff9b6 100644
--- a/sqlparse/engine/filter.py
+++ b/sqlparse/engine/filter.py
@@ -51,7 +51,7 @@ def _change_splitlevel(self, ttype, value):
                 return 1
             return 0
 
-        if unified in ('END IF', 'END FOR'):
+        if unified in ('END IF', 'END FOR', 'END WHILE'):
             return -1
 
         if unified == 'END':
@@ -64,7 +64,7 @@ def _change_splitlevel(self, ttype, value):
             self._is_create = True
             return 0
 
-        if unified in ('IF', 'FOR') \
+        if unified in ('IF', 'FOR', 'WHILE') \
            and self._is_create and self._begin_depth > 0:
             return 1