Created
September 29, 2015 04:14
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MySQL Haversine Formula
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/** | |
* MySQL 5.6 > | |
* Table structure (id {primary, autoincrement}, name {string}, location{spatial, geometry}) | |
*/ | |
SELECT 3956 * 2 * ASIN(SQRT(POWER(SIN((Y(location) - ABS(14.601343)) * PI()/180 / 2), 2)+ COS(ABS(Y(location)) * PI()/180 ) * COS(ABS(14.601343) * PI()/180) * POWER(SIN((X(location) - 120.972882) * PI()/180 / 2), 2) )) AS distance, name | |
FROM table | |
WHERE ST_Within(location, Envelope(LineString(POINT(120.972882-10/ABS(COS(RADIANS(14.601343))*69), 14.601343-(10/69)), POINT(120.972882+10/ABS(COS(RADIANS(14.601343))*69), 14.601343+(10/69))))) | |
ORDER BY distance | |
/** | |
* MySQL 5.6 < | |
* Implemented in Laravel RAW Query | |
* Table structure (id {primary, autoincrement}, name {string}, location{spatial, geometry}) | |
* Parameters {$latitude, $longitude, $distance} | |
*/ | |
\DB::select('SELECT 3959 * ACOS( COS( RADIANS(?) ) * COS( RADIANS( Y(location) ) ) * COS( RADIANS( X(location) ) - RADIANS(?) ) + SIN( RADIANS(?) ) * SIN( RADIANS( Y(location) ) ) ) AS distance, name FROM table HAVING distance < ? ORDER BY distance', [$latitude, $longitude, $latitude, $distance]); |
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