Questions tagged [st-touches]

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votes
1answer
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Checking if result of st_difference is empty

I am trying to select lines that completely touch a polygon (not at just a single point). I would assume it would be a simple case of st_isempty(st_difference(geom_a,geom_b)). However, this is not the ...
2
votes
1answer
52 views

Performance optimization of ST_Touches

The query I am running is taking a considerable amount of time. I was wondering whether I am missing an opportunity to drastically improve performance. My goal is to find out how many neighboring ...