On Sun, Dec 17, 2017 at 9:38 PM, David Rowley <david.row...@2ndquadrant.com> wrote: > On 18 December 2017 at 15:04, Robert Haas <robertmh...@gmail.com> wrote: >> On Sun, Dec 17, 2017 at 5:29 AM, David Rowley >> <david.row...@2ndquadrant.com> wrote: >>> I'm now not that clear on what the behaviour is if the ONLY keyword is >>> not specified on the CREATE INDEX for the partitioned index. Does that >>> go and create each leaf partition index regardless of if there is a >>> suitable candidate to ATTACH? >> >> No, the other way around. ONLY is being proposed as a way to create >> an initially-not-valid parent to which we can then ATTACH >> subsequently-created child indexes. But because we will have REPLACE >> rather than DETACH, once you get the index valid it never goes back to >> not-valid. > > I understand what the ONLY is proposed to do. My question was in > regards to the behaviour without ONLY.
Oh, sorry -- I was confused. I'm not sure whether that should try to attach to something if it exists, or just create unconditionally... what do you think? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company