hi,
how does one replicate the myql 'set' datatype in pg? i tried using 'check', but apparently there is much more to this
You could use a bit-string if you are just tracking set membership, but that doesn't exactly duplicate the behaviour. It should be straightforward enough to write some support functions and just use a text type, but that'd use a lot more storage.
Of course, another table is the accepted way of doing this relationally. Are there any particular features you need, or are you just porting an application from Mysql?
-- Richard Huxton Archonet Ltd
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
