Hello,
I have a column in a table that contains the name of another table,
and the id in that table.
I would like to use this in a join statement. Is that possible?
example:
create table animal (
id serial,
table_name varchar(8) default 'monkey' CHECK (table_name IN ('monkey',
'elephant')),
table_id integer
);
create table monkey (
id serial,
name varchar(20)
);
create table elephant (
id serial,
name varchar(20)
);
and I want to do:
select animal.name from animal left join animal.table_name on
animaltablename.id = animal.table_id;
or something like that.
I know it's probably considered bad SQL, but what else can I do?
Thanks,
Antonio
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