Caleb Welton <cwelton@greenplum.com> writes:
> Two child tables, one created with inheritance, one altered to have
> inheritance:
> When you drop a column from the parent table only the tables CREATED with
> inheritance drop the column:
Yeah, this is intentional. The other table is presumed to still own its
columns even though it is (perhaps transiently) a child of the parent.
regards, tom lane