3 files changed, 32 insertions, 2 deletions
diff --git a/lib/sqlalchemy/databases/mssql.py b/lib/sqlalchemy/databases/mssql.py
index 89cc88398..c297195ca 100644
--- a/lib/sqlalchemy/databases/mssql.py
+++ b/lib/sqlalchemy/databases/mssql.py
@@ -143,6 +143,19 @@ class MSBinary(sqltypes.Binary):
 class MSBoolean(sqltypes.Boolean):
     def get_col_spec(self):
         return "BIT"
+    def convert_result_value(self, value, dialect):
+        if value is None:
+            return None
+        return value and True or False
+    def convert_bind_param(self, value, dialect):
+        if value is True:
+            return 1
+        elif value is False:
+            return 0
+        elif value is None:
+            return None
+        else:
+            return value and True or False
         
 colspecs = {
     sqltypes.Integer : MSInteger,
diff --git a/lib/sqlalchemy/databases/mysql.py b/lib/sqlalchemy/databases/mysql.py
index e152a4833..997010f1c 100644
--- a/lib/sqlalchemy/databases/mysql.py
+++ b/lib/sqlalchemy/databases/mysql.py
@@ -157,7 +157,7 @@ class MSBinary(sqltypes.Binary):
             return "BINARY(%d)" % self.length
         else:
             return "BLOB"
-    def convert_result_value(self, value, engine):
+    def convert_result_value(self, value, dialect):
         if value is None:
             return None
         else:
@@ -182,7 +182,20 @@ class MSEnum(sqltypes.String):
 class MSBoolean(sqltypes.Boolean):
     def get_col_spec(self):
         return "BOOLEAN"
-        
+    def convert_result_value(self, value, dialect):
+        if value is None:
+            return None
+        return value and True or False
+    def convert_bind_param(self, value, dialect):
+        if value is True:
+            return 1
+        elif value is False:
+            return 0
+        elif value is None:
+            return None
+        else:
+            return value and True or False
+            
 colspecs = {
 #    sqltypes.BIGinteger : MSInteger,
     sqltypes.Integer : MSInteger,
diff --git a/lib/sqlalchemy/databases/sqlite.py b/lib/sqlalchemy/databases/sqlite.py
index 2b10a8ad9..c07952ff2 100644
--- a/lib/sqlalchemy/databases/sqlite.py
+++ b/lib/sqlalchemy/databases/sqlite.py
@@ -79,6 +79,10 @@ class SLBinary(sqltypes.Binary):
 class SLBoolean(sqltypes.Boolean):
     def get_col_spec(self):
         return "BOOLEAN"
+    def convert_result_value(self, value, dialect):
+        if value is None:
+            return None
+        return value and True or False
         
 colspecs = {
     sqltypes.Integer : SLInteger,