Re: multi column foreign key for implicitly unique columns
От
Tom Lane
Тема
Re: multi column foreign key for implicitly unique columns
Дата
Msg-id
1535.1092845917@sss.pgh.pa.us
Ответ на
Re: multi column foreign key for implicitly unique columns (Richard Huxton)
Список
Дерево обсуждения
multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Oliver Elphick <olly@lfix.co.uk>
Re: multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Josh Berkus <josh@agliodbs.com>
Re: multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Jan Wieck <JanWieck@Yahoo.com>
Re: multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Jan Wieck <JanWieck@Yahoo.com>
Re: multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Rod Taylor <pg@rbt.ca>
Re: multi column foreign key for implicitly unique columns Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: multi column foreign key for implicitly unique columns Tom Lane <tgl@sss.pgh.pa.us>
Re: multi column foreign key for implicitly unique columns Richard Huxton <dev@archonet.com>
Re: multi column foreign key for implicitly unique columns Tom Lane <tgl@sss.pgh.pa.us>
Re: multi column foreign key for implicitly unique columns Jan Wieck <JanWieck@Yahoo.com>
Re: multi column foreign key for implicitly unique columns Rod Taylor <pg@rbt.ca>
Re: multi column foreign key for implicitly unique columns Tom Lane <tgl@sss.pgh.pa.us>
Re: multi column foreign key for implicitly unique columns Richard Huxton <dev@archonet.com>
Re: multi column foreign key for implicitly unique columns Jan Wieck <JanWieck@Yahoo.com>
Re: multi column foreign key for implicitly unique columns Josh Berkus <josh@agliodbs.com>
Re: multi column foreign key for implicitly unique columns Jan Wieck <JanWieck@Yahoo.com>
Re: multi column foreign key for implicitly unique columns Josh Berkus <josh@agliodbs.com>
Re: multi column foreign key for implicitly unique columns Oliver Elphick <olly@lfix.co.uk>
Re: multi column foreign key for implicitly unique columns Jan Wieck <JanWieck@Yahoo.com>
Re: multi column foreign key for implicitly unique columns Josh Berkus <josh@agliodbs.com>
Re: multi column foreign key for implicitly unique columns Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: multi column foreign key for implicitly unique columns Bruno Wolff III <bruno@wolff.to>
Re: multi column foreign key for implicitly unique columns Josh Berkus <josh@agliodbs.com>
Re: multi column foreign key for implicitly unique columns Richard Huxton <dev@archonet.com>
Re: multi column foreign key for implicitly unique columns Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: multi column foreign key for implicitly unique columns Richard Huxton <dev@archonet.com>
Re: multi column foreign key for implicitly unique columns Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: multi column foreign key for implicitly unique columns Tom Lane <tgl@sss.pgh.pa.us>
Re: multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: multi column foreign key for implicitly unique columns Markus Bertheau <twanger@bluetwanger.de>
Re: multi column foreign key for implicitly unique columns Stephan Szabo <sszabo@megazone.bigpanda.com>
Re: multi column foreign key for implicitly unique columns Tom Lane <tgl@sss.pgh.pa.us>
FOREIGN KEY and AccessExclusiveLock Achilleus Mantzios <achill@matrix.gatewaynet.com>
Re: FOREIGN KEY and AccessExclusiveLock Tom Lane <tgl@sss.pgh.pa.us>
Re: FOREIGN KEY and AccessExclusiveLock Achilleus Mantzios <achill@matrix.gatewaynet.com>
Re: FOREIGN KEY and AccessExclusiveLock Achilleus Mantzios <achill@matrix.gatewaynet.com>
Re: FOREIGN KEY and AccessExclusiveLock Achilleus Mantzios <achill@matrix.gatewaynet.com>
Re: FOREIGN KEY and AccessExclusiveLock Achilleus Mantzios <achill@matrix.gatewaynet.com>
Richard Huxton writes: > * Allow multiple unique constraints to share an index where one is a > superset of the others' columns. > That way you can mark it unique without having the overhead of multiple > indexes. That just moves the uncertain-dependency problem over one spot, ie, it's the fabricated unique constraint that you can't pin down the requirements for. regards, tom lane
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