25 lines
534 B
MySQL
25 lines
534 B
MySQL
begin;
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--------------- geo_distance
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CREATE OR REPLACE FUNCTION geo_distance (point, point) RETURNS float8
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LANGUAGE 'c' IMMUTABLE STRICT AS 'MODULE_PATHNAME';
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--------------- geo_distance as operator <@>
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CREATE OPERATOR <@> (
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leftarg = point,
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rightarg = point,
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procedure = geo_distance,
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commutator = <@>
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);
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--
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-- By default this function is made executable by anyone. To restrict
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-- access by default, comment out the following grant command.
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--
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grant execute on function geo_distance(point, point) to public;
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commit;
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