CockroachDB是否支持其表中列的默认值?它是否允许默认值为函数值(例如CREATE NONCLUSTERED INDEX [LegalPartyRole1] ON [dbo].[LegalPartyRole]
(
[ObjectId] ASC, [ObjectType] ASC, [BegEffDate] ASC, [LPRoleType] ASC,
[EffStatus] ASC, [PrimeLegalParty] ASC, [LegalPartyId] ASC, [Id] ASC
);
)?