Don't treat DECLARE within BEGIN blocks as relevant to split level (f…

…ixes #193).

CHANGES

@@ -3,6 +3,7 @@ Development version
 
 Bug Fixes
 * Fix a regression in get_alias() introduced in 0.1.15 (issue185).
+* Fix a bug in the splitter regarding DECLARE (issue193).
 
 
 Release 0.1.15 (Apr 15, 2015)

sqlparse/engine/filter.py

@@ -40,7 +40,7 @@ def _change_splitlevel(self, ttype, value):
 
         unified = value.upper()
 
-        if unified == 'DECLARE' and self._is_create:
+        if unified == 'DECLARE' and self._is_create and self._begin_depth == 0:
             self._in_declare = True
             return 1
 

tests/test_regressions.py

@@ -243,4 +243,15 @@ def test_null_with_as():
         '       NULL AS c2',
         'FROM t1'
     ])
-    assert formatted == tformatted
+    assert formatted == tformatted
+
+
+def test_issue193_splitting_function():
+    sql = """CREATE FUNCTION a(x VARCHAR(20)) RETURNS VARCHAR(20)
+BEGIN
+ DECLARE y VARCHAR(20);
+ RETURN x;
+END;
+SELECT * FROM a.b;"""
+    splitted = sqlparse.split(sql)
+    assert len(splitted) == 2