4 commits

Author	SHA1	Message	Date
Andrew Dunstan	6d12b68cd7	Allow IF NOT EXISTS when add a new enum label. ... If the label is already in the enum the statement becomes a no-op. This will reduce the pain that comes from our not allowing this operation inside a transaction block. Andrew Dunstan, reviewed by Tom Lane and Magnus Hagander.	2012-09-22 12:53:31 -04:00
Andrew Dunstan	b7fcf68e86	Require VALUE keyword when extending an enum type. Based on a patch from Alvaro Herrera.	2010-11-16 22:18:33 -05:00
Tom Lane	84c123be1d	Allow new values to be added to an existing enum type. ... After much expenditure of effort, we've got this to the point where the performance penalty is pretty minimal in typical cases. Andrew Dunstan, reviewed by Brendan Jurd, Dean Rasheed, and Tom Lane	2010-10-24 23:05:41 -04:00
Tom Lane	57690c6803	Support enum data types. Along the way, use macros for the values of ... pg_type.typtype whereever practical. Tom Dunstan, with some kibitzing from Tom Lane.	2007-04-02 03:49:42 +00:00