From: Rick Morrison <rickmorrison@gmail.com>
Date: Wed, 14 Feb 2007 23:36:56 +0000 (+0000)
Subject: Fix for ticket 473
X-Git-Tag: rel_0_3_5~37
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd2ea14a78fbf585a0a854e819071149b62d99df;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Fix for ticket 473
---

diff --git a/lib/sqlalchemy/databases/mssql.py b/lib/sqlalchemy/databases/mssql.py
index 737a603c9f..63e04cef7a 100644
--- a/lib/sqlalchemy/databases/mssql.py
+++ b/lib/sqlalchemy/databases/mssql.py
@@ -558,6 +558,13 @@ class MSSQLCompiler(ansisql.ANSICompiler):
             self.strings[column] = \
                 self.strings[self.tablealiases[column.table].corresponding_column(column)]
 
+    def visit_binary(self, binary):
+        """Move bind parameters to the right-hand side of an operator, where possible."""
+        if isinstance(binary.left, sql._BindParamClause) and binary.operator == '=':
+            binary.left, binary.right = binary.right, binary.left
+        super(MSSQLCompiler, self).visit_binary(binary)
+
+
 class MSSQLSchemaGenerator(ansisql.ANSISchemaGenerator):
     def get_column_specification(self, column, **kwargs):
         colspec = self.preparer.format_column(column) + " " + column.type.engine_impl(self.engine).get_col_spec()