[postgis-users] function for querying overlapping shapes

[Chen, Li [Contractor]]

Apologize about an empty mail just sent...

Here is my question:
Imaging I have several 2D shapes and they are all sectors of circles. And then I want to define a circle and query which of the previous sectors overlaps this circle, or contains this circle. Is there any functions to do that?
Do I have to run ST_Overlaps and ST_Contain against the circle and all the sectors?

Thanks for any suggestions,

Li
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