Romain Billoir <billo...@gmail.com> writes:
> Hi, i'm trying to request a database using data type "point" using keyword
> "IN" with a list of point generated by PHP, like this:
> 'SELECT * FROM map WHERE position IN ((point(-1,-1), (point(1,-1),
> point(1,1), point(-1,1))'
> but this request returns me an error: operator doesn't exist point = point.
For historical reasons the equality operator for points is named ~=
... which IN doesn't understand. I think your best bet is to spell
it out instead of using the IN shorthand:
SELECT * FROM map WHERE position ~= point(-1,-1) or position ~= point(1,-1)
or position ~= point(1,1) ...
regards, tom lane
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