[patches] [schema 1/1] Allow to do not specify tail nullable index columns

Konstantin Osipov kostja at tarantool.org
Fri Jan 26 00:23:41 MSK 2018

* Vladislav Shpilevoy <v.shpilevoy at tarantool.org> [18/01/25 13:59]:
> If a column is nullable and is the last defined one (via index parts
> or space format), it can be omited on insertion. Such absent fields
> are treated as NULLs in comparators and are not stored.
> Closes #2988

Some raw thoughts: 

- maybe we should add another key part property, let's call it
  is_optional, to remove the performance impact on people not
  using the feature?

I know this could complicate the patch quite a bit.

Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.org - www.twitter.com/kostja_osipov

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