From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sat, 27 Sep 2008 21:15:51 +0000 (+0000)
Subject: fixed custom TypeEngine example
X-Git-Tag: rel_0_5rc2~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17309da8e611e016eaca30bc00376fe57b6d94c7;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

fixed custom TypeEngine example
---

diff --git a/doc/build/content/types.txt b/doc/build/content/types.txt
index 764f4e5378..64aafe8cd9 100644
--- a/doc/build/content/types.txt
+++ b/doc/build/content/types.txt
@@ -146,13 +146,13 @@ To build a type object from scratch, which will not have a corresponding databas
             def process(value):
                 return value
             return process
+
         def result_processor(self, dialect):
             def process(value):
                 return value
             return process
 
-        def convert_result_value(self, value, dialect):
-            return value
+The `bind_processor` and `result_processor` methods return a callable which will be used to process data at the bind parameter and result row level.  If either processing is not necessary, the method can return `None` (this reduces the workload as well).
 
 Once you make your type, it's immediately useable: