On 16 Aug 2017, at 2:25am, petern <[email protected]> wrote:

> The documentation should either say nothing or
> say that the concatenation order depends on the row order of the enclosing
> query.  Saying group_concat is arbitrary is simply wrong.

Saying that something is arbitrary is the same as saying nothing about it.

> The row order of the
> enclosing query may be arbitrary but group_concat is not otherwise changing
> that row order in any way.

But it might do in future versions of SQLite.  Or it might do if different 
indexes become available.  What the documentation is saying is "Do not depend 
on this.  It might change.".

Simon.
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