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Date: Tue, 5 Mar 2019 21:59:06 +0300
From: Konstantin Osipov <kostja@tarantool.org>
Subject: Re: [PATCH v2] box: add on_schema_init trigger
Message-ID: <20190305185906.GC7992@chai>
References: <20190305155309.32516-1-sergepetrenko@tarantool.org>
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To: Serge Petrenko <sergepetrenko@tarantool.org>
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* Serge Petrenko <sergepetrenko@tarantool.org> [19/03/05 18:57]:
> If you want to change space's `space_name` storage engine to `vinyl`
> , you may say:
> ```
> function trig(old, new)
>     if new[3] == 'space_name' and new[4] ~= 'vinyl' then
>         return box.tuple.new{new[1], new[2], new[3], 'vinyl',
>                              new[5], new[6], new[7]}
>     end
> end
> ```

Please access tuple fields by their names ;)


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