[postgis-users] ST_Intersects differing results

[Paul Norman]

On 5/24/2016 6:31 PM, Timothy Asquith wrote:
>     - I’m experimenting with ST_Snap and filtering out ST_Touches, but 
> it still returning the same 3 results 

You may want to use the dimensionally extended 9 intersection model 
(http://postgis.net/docs/manual-2.2/using_postgis_dbmanagement.html#DE-9IM) 
if there isn't a function that expresses what you want.

Be sure to add a geom1 && geom2 condition if applicable so you get index 
usage.