Re: "two time periods with only an endpoint in common do not overlap" ???

[Ron <ronljohnsonjr@xxxxxxxxx>]

    On 10/14/21 7:02 PM, Adrian Klaver wrote:
    [snip]
> or the
>       third example in the docs:
>       
>       
>       SELECT (DATE '2001-02-16', DATE '2001-12-21') OVERLAPS
>       
>              (DATE '2001-10-30', DATE '2002-10-30');
>       
>       Result: true
>       
>       SELECT (DATE '2001-02-16', INTERVAL '100 days') OVERLAPS
>       
>              (DATE '2001-10-30', DATE '2002-10-30');
>       
>       Result: false
>       
>       SELECT (DATE '2001-10-29', DATE '2001-10-30') OVERLAPS
>       
>              (DATE '2001-10-30', DATE '2001-10-31');
>       
>       Result: false
>       
>     
    
    Why don't they overlap, given that they share a common date?

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