No SQLA built-in subclasses ColumnElement without specifying
an alternate visit_name, and user defined ColumnElement
subclasses should avoid being treated like ColumnClause,
e.g. where a Table is present.
Fixes: #4142
Change-Id: I15ed09ba8bdebae4cb0c7e5e5df3f59351477577
Fixes the comparison of bindparam() objects based on
the "callable" parameter being present which helps to correctly
detect use_get, and also checks for "callable" when detecting
parameters for value substitution and will not impact the
object if present.
Change-Id: I4c93ee5d404d2648dd9835beeae0c5fb67e37d19
Fixes: #3767
Fixed bug where the "simple many-to-one" condition that allows lazy
loading to use get() from identity map would fail to be invoked if the
primaryjoin of the relationship had multiple clauses separated by AND
which were not in the same order as that of the primary key columns
being compared in each clause. This ordering
difference occurs for a composite foreign key where the table-bound
columns on the referencing side were not in the same order in the .c
collection as the primary key columns on the referenced side....which
in turn occurs a lot if one is using declarative mixins and/or
declared_attr to set up columns.
Change-Id: I66cce74f614c04ed693dc0d58ac8c952b2f8ae54
Fixes: #3788
Mike Bayer