[postgis-users] Need help to create an help table

[Darafei "Komяpa" Praliaskouski]

>
>
>
> UPDATE city_boundaries SET way = ST_Makevalid(ST_Buffer(ST_Buffer(wayn1,
> 50, 'join=miter'), -50, 'join=miter'));
>

quick side note: you are not expected to need MakeValid after Buffer. If
you ever have an invalid as an output of Buffer, that has to be reported as
a bug with specific inputs you feed it.


-- 
Darafei "Komяpa" Praliaskouski
OSM BY Team - http://openstreetmap.by/
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