From 87bbba32bc54fa0253e9c81663df669dc355f5da Mon Sep 17 00:00:00 2001 From: Mike Bayer Date: Tue, 24 Apr 2012 16:03:00 -0400 Subject: - [feature] The behavior of column targeting in result sets is now case sensitive by default. SQLAlchemy for many years would run a case-insensitive conversion on these values, probably to alleviate early case sensitivity issues with dialects like Oracle and Firebird. These issues have been more cleanly solved in more modern versions so the performance hit of calling lower() on identifiers is removed. The case insensitive comparisons can be re-enabled by setting "case_insensitive=False" on create_engine(). [ticket:2423] --- lib/sqlalchemy/dialects/mssql/base.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'lib/sqlalchemy/dialects/mssql') diff --git a/lib/sqlalchemy/dialects/mssql/base.py b/lib/sqlalchemy/dialects/mssql/base.py index a63f10251..e5eb44744 100644 --- a/lib/sqlalchemy/dialects/mssql/base.py +++ b/lib/sqlalchemy/dialects/mssql/base.py @@ -856,7 +856,9 @@ class MSSQLCompiler(compiler.SQLCompiler): t, column) if result_map is not None: - result_map[column.name.lower()] = \ + result_map[column.name + if self.dialect.case_sensitive + else column.name.lower()] = \ (column.name, (column, ), column.type) @@ -1300,6 +1302,7 @@ class MSDialect(default.DefaultDialect): whereclause = columns.c.table_name==tablename s = sql.select([columns], whereclause, order_by=[columns.c.ordinal_position]) + c = connection.execute(s) cols = [] while True: -- cgit v1.2.1