Heikki Linnakangas <[email protected]> writes:
> ISTM you should explicitly grab a lock on the of-type at some point, to
> make sure it doesn't get dropped while you're busy creating the table.
> How do we protect against that for the types used in columns?
We don't. There is no concept of a lock on a type.
For scalar types this is more or less irrelevant anyway, since a scalar
has no substructure that can be altered in any interesting way. I'm not
sure how hard we ought to work on making composites behave differently.
I think it's as likely to cause problems as solve them.
regards, tom lane
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