Remove version directives for 0.6, 0.7, 0.8

- fix a few "seealso"s
- ComparableProprerty's "superseded in 0.7" becomes deprecated in 0.7

Backport to currently maintained doc versions 1.2, 1.1

Change-Id: Ib1fcb2df8673dbe5c4ffc47f3896a60d1dfcb4b2

1 files changed, 0 insertions, 11 deletions

diff --git a/lib/sqlalchemy/sql/ddl.py b/lib/sqlalchemy/sql/ddl.py
index 4ad7f3e58..3deb588ab 100644
--- a/lib/sqlalchemy/sql/ddl.py
+++ b/lib/sqlalchemy/sql/ddl.py
@@ -448,8 +448,6 @@ class _CreateDropBase(DDLElement):
 class CreateSchema(_CreateDropBase):
     """Represent a CREATE SCHEMA statement.
 
-    .. versionadded:: 0.7.4
-
     The argument here is the string name of the schema.
 
     """
@@ -468,8 +466,6 @@ class DropSchema(_CreateDropBase):
 
     The argument here is the string name of the schema.
 
-    .. versionadded:: 0.7.4
-
     """
 
     __visit_name__ = "drop_schema"
@@ -617,13 +613,6 @@ class CreateColumn(_DDLCompiles):
     which only includes the ``id`` column in the string; the ``xmin`` column
     will be omitted, but only against the PostgreSQL backend.
 
-    .. versionadded:: 0.8.3 The :class:`.CreateColumn` construct supports
-       skipping of columns by returning ``None`` from a custom compilation
-       rule.
-
-    .. versionadded:: 0.8 The :class:`.CreateColumn` construct was added
-       to support custom column creation styles.
-
     """
 
     __visit_name__ = "create_column"