override _columns_info_for instead of _extra_column_info in MSSQL
-rw-r--r-- .gitignore
-rw-r--r-- Changes
-rw-r--r-- MANIFEST.SKIP
-rw-r--r-- Makefile.PL
-rw-r--r-- TODO
drwxr-xr-x lib
drwxr-xr-x script
drwxr-xr-x t