create view ... select fld,'constant',fld ...

is this a stupid idea?

create table _kid (
id serial,
datum varchar(80),
other bigint,
-- many-to-one, kid-to-papa relation
parent int4 references papa(id)
);

create view kid as
select
id,
datum,
other,
parent,
-- which table is our parent? right here:
'papa' as parent_table
from
_kid;

then we can do things like

->execute("select parent_table from $table")

but is it a performance-sucker? or bandwidth-killer? or just
all-round horrid idea?

or not?

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