Re: [HACKERS] DROP SUBSCRIPTION hangs if sub is disabled in the sametransaction

Peter Eisentraut wrote:
> On 9/13/17 09:56, Alvaro Herrera wrote:
> > Tom Lane wrote:
> >> Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes:
> > 
> >>> - Disallow DROP SUBSCRIPTION in a transaction under certain
> >>> circumstances, for example if a transaction has previously manipulated
> >>> the same subscription.
> > 
> >> ISTM the second of those (refuse to drop an in-use subscription) is
> >> by far the least surprising behavior.
> > 
> > +1 for that option.  IIRC this has precedent for other object types such
> > as tables, where we refuse some action if we have already operated on
> > the table in the same transaction.
> 
> What are some examples of such behavior?

Search for CheckTableNotInUse() callers.

/me hates that the error messages are split across lines

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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