On 6/20/23 14:10, Tomas Vondra wrote: > ... > > This is also what the SQL standard does for multisets - there's SQL:20nn > draft at http://www.wiscorp.com/SQLStandards.html, and the <member > predicate> section (p. 475) explains how this should work with NULL. > BTW I just notices there's also a multiset proposal at the wiscorp page: http://www.wiscorp.com/sqlmultisets.zip It's just the initial proposal and I'm not sure how much it changed over time, but it likely provide way more context for the choices than the (rather dry) SQL standard. regards -- Tomas Vondra EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Andrew Dunstan
- Re: Do we want a hashset type? Tomas Vondra
- Re: Do we want a hashset type? Tom Lane
- Re: Do we want a hashset type? jian he
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? jian he
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Tomas Vondra
- Re: Do we want a hashset type? Tomas Vondra
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Tomas Vondra
- Re: Do we want a hashset type? jian he
- Re: Do we want a hashset type? Tomas Vondra
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? Joel Jacobson
- Re: Do we want a hashset type? jian he