From: Konstantin Osipov <kostja@tarantool.org> To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org> Cc: tarantool-patches@freelists.org Subject: [tarantool-patches] Re: [PATCH 2/3] Add surrogate ID for BINARY collation Date: Thu, 1 Nov 2018 15:58:10 +0300 [thread overview] Message-ID: <20181101125810.GA28156@chai> (raw) In-Reply-To: <84dc3919-fd62-143d-327b-6f7ae184be5e@tarantool.org> * Vladislav Shpilevoy <v.shpilevoy@tarantool.org> [18/11/01 15:23]: > > On 01/11/2018 14:37, Konstantin Osipov wrote: > > * n.pettik <korablev@tarantool.org> [18/10/31 18:52]: > > > > Sorry for a last-minute comment, but is there any reason why id > > has to be 4294967294? Why not use the next spare id, it's 3 > > AFAIR? > > > I guess, because > > 1) It is not real collation and is not presented in > _collation. So for a user it would be strange to see > a gap between 2 and 4 in _collation, which can not be > set. Let's insert it there. > 2) Some advanced users could already create their own > collations, so 3 may be occupied. No, they couldn't. > 3) Actually binary collation == no collation and it > is consistent to has its ID near COLL_NONE, in a "special > range" of collation identifiers. Uhm, AFAIU we have two binary collations. One is "collation is not set" and another is "collation binary". Which one did you mean now? -- Konstantin Osipov, Moscow, Russia, +7 903 626 22 32 http://tarantool.io - www.twitter.com/kostja_osipov
next prev parent reply other threads:[~2018-11-01 12:58 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-10-25 11:00 [tarantool-patches] [PATCH 0/3] Change collation compatibility rules according to ANSI SQL Nikita Pettik 2018-10-25 11:00 ` [tarantool-patches] [PATCH 1/3] sql: do not add explicit <COLLATE "BINARY"> clause Nikita Pettik 2018-10-25 11:00 ` [tarantool-patches] [PATCH 2/3] Add surrogate ID for BINARY collation Nikita Pettik 2018-10-31 12:34 ` [tarantool-patches] " Vladislav Shpilevoy 2018-10-31 15:47 ` n.pettik 2018-11-01 11:37 ` Konstantin Osipov 2018-11-01 12:22 ` Vladislav Shpilevoy 2018-11-01 12:58 ` Konstantin Osipov [this message] 2018-11-01 13:08 ` n.pettik 2018-11-01 15:39 ` Konstantin Osipov [not found] ` <95CB17D5-E3ED-4B05-A289-983E2FD0DE37@gmail.com> 2018-11-01 17:45 ` n.pettik 2018-11-01 20:00 ` Konstantin Osipov 2018-11-01 20:06 ` Konstantin Osipov 2018-11-01 20:20 ` n.pettik 2018-10-25 11:00 ` [tarantool-patches] [PATCH 3/3] sql: change collation compatibility rules Nikita Pettik 2018-10-31 12:34 ` [tarantool-patches] " Vladislav Shpilevoy 2018-11-12 23:46 ` n.pettik
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20181101125810.GA28156@chai \ --to=kostja@tarantool.org \ --cc=tarantool-patches@freelists.org \ --cc=v.shpilevoy@tarantool.org \ --subject='[tarantool-patches] Re: [PATCH 2/3] Add surrogate ID for BINARY collation' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox