Miroslav Nachev wrote:
> Most of the popular databases (Oracle, MySQL, MS SQL, etc.) support binary
> column type which can be used as primary key. For example UUID algorithm
> need of exact 16 bytes and is very useful for Primary Key. Of course it can
> be presented with characters in Hex format but in that case this will take
> 32 bytes which is 2 times bigger.
> It will be very helpful if in PostgreSQL binary/varbinary type is supported
> and can be used for indexes and primary keys.
There's a built-in UUID datatype that you might be interested in. It's
16 bytes, fixed-length.
Also, what's wrong with bytea?
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