From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 3 Jan 2012 16:54:54 +0000 (-0500)
Subject: fix #20
X-Git-Tag: rel_0_1_1~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4793bc175376082497fc70c89f7caec896b3c061;p=thirdparty%2Fsqlalchemy%2Falembic.git

fix #20
---

diff --git a/alembic/op.py b/alembic/op.py
index 846e68f4..13b057df 100644
--- a/alembic/op.py
+++ b/alembic/op.py
@@ -143,7 +143,8 @@ def alter_column(table_name, column_name,
     constraint.
     
     :param table_name: string name of the target table.
-    :param column_name: string name of the target column.
+    :param column_name: string name of the target column, 
+     as it exists before the operation begins.
     :param nullable: Optional; specify ``True`` or ``False``
      to alter the column's nullability.
     :param server_default: Optional; specify a string 
@@ -152,7 +153,7 @@ def alter_column(table_name, column_name,
      an alteration to the column's default value.  
      Set to ``None`` to have the default removed.
     :param name: Optional; specify a string name here to
-     indicate a column rename operation.
+     indicate the new name within a column rename operation.
     :param type_: Optional; a :class:`~sqlalchemy.types.TypeEngine`
      type object to specify a change to the column's type.  
      For SQLAlchemy types that also indicate a constraint (i.e.