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Re: Thoughts on user-defined types for talk at Postgres conference?

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On 2024-03-06 12:45:33 -0500, Stephen Frost wrote:
> =*# select pg_column_size(t2.*) from t2;
>  pg_column_size 
> ----------------
>              53
> (1 row)
> 
> That's an additional 21 bytes, which is really quite a lot.  What's
> included in those 21 bytes are
[...]
> the type information (typmod if there is one and the OID of the
> composite type),

Is it necessary to store this in every row? Can a column contain
different composite types?

        hp


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