Ticket #18176: sql_query_fix.diff

django/db/backends/mysql/base.py

@@ -310 +310 @@
 
     def year_lookup_bounds(self, value):
         # Again, no microseconds
-        first = '%s-01-01 00:00:00'
-        second = '%s-12-31 23:59:59.99'
-        return [first % value, second % value]
+        first = datetime.datetime(value,1,1,0,0,0)
+        second = datetime.datetime(value,12,31,23,59,59,99)
+        return [first, second]
 
     def max_name_length(self):
         return 64

django/db/backends/oracle/base.py

@@ -363 +363 @@
                                  value.second, value.microsecond)
 
     def year_lookup_bounds_for_date_field(self, value):
-        first = '%s-01-01'
-        second = '%s-12-31'
-        return [first % value, second % value]
+        first = datetime.datetime(value,1,1)
+        second = datetime.datetime(value,12,31)
+        return [first, second]
 
     def combine_expression(self, connector, sub_expressions):
         "Oracle requires special cases for %% and & operators in query expressions"

django/db/backends/sqlite3/base.py

@@ -179 +179 @@
         return unicode(value)
 
     def year_lookup_bounds(self, value):
-        first = '%s-01-01'
-        second = '%s-12-31 23:59:59.999999'
-        return [first % value, second % value]
+        first = datetime.datetime(value,1,1)
+        second = datetime.datetime(value,12,31,23,59,59,999999)
+        return [first, second]
 
     def convert_values(self, value, field):
         """SQLite returns floats when it should be returning decimals,