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31 lines
1.1 KiB

SELECT *
FROM (
SELECT restaurant_id,
restaurant_name,
restaurant_category,
restaurant_longitude,
restaurant_latitude,
restaurant_opening,
restaurant_closing,
restaurant_is_approved,
user_id, p.radius,
p.distance_unit
* DEGREES(ACOS(COS(RADIANS(p.latpoint))
* COS(RADIANS(z.restaurant_latitude))
* COS(RADIANS(p.longpoint - z.restaurant_longitude))
+ SIN(RADIANS(p.latpoint))
* SIN(RADIANS(z.restaurant_latitude)))) AS distance
FROM flavours_without_borders.restaurant AS z
JOIN ( /* these are the query parameters */
SELECT 22.953012 AS latpoint, 40.635502 AS longpoint, 0.7 AS radius, 111.045 AS distance_unit
) AS p ON 1=1
WHERE z.restaurant_latitude
BETWEEN p.latpoint - (p.radius / p.distance_unit)
AND p.latpoint + (p.radius / p.distance_unit)
AND z.restaurant_longitude
BETWEEN p.longpoint - (p.radius / (p.distance_unit * COS(RADIANS(p.latpoint))))
AND p.longpoint + (p.radius / (p.distance_unit * COS(RADIANS(p.latpoint))))
) AS d
WHERE distance <= radius
ORDER BY distance
LIMIT 15