Re: pg_depend

> >
> >Wouldn't that work simply by using the oid for the column in pg_attribute
> >as the primary dependency, rather than the table itself, from pg_class? So,
> >the dependency chain would be:
> >
> >view -> attribute -> table
> >
> >So your examples would 'just work', I think.
> >
> 
> True. We need to remember to store both sets of dependencies (used attrs as
> well as the table dependency).

TODO update with column labels:

* Add pg_depend table for dependency recording; use sysrelid, oid,  depend_sysrelid, depend_oid, name 

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