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9403
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aaronmk
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mailto:bboyle@email.arizona.edu/Brad_Boyle/2013-5-16/BIEN+DB+meeting+outstanding+issues
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---
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1) I finally found the missing function geodistkm. I implemented it directly as a stored function in database geoscrub in MySQL on nimoy:
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mysql> show function status like "geodist%";
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+----------+-----------+----------+-----------------+---------------------+---------------------+---------------+---------+----------------------+----------------------+--------------------+
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| Db | Name | Type | Definer | Modified | Created | Security_type | Comment | character_set_client | collation_connection | Database Collation |
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+----------+-----------+----------+-----------------+---------------------+---------------------+---------------+---------+----------------------+----------------------+--------------------+
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| geoscrub | GeoDistKM | FUNCTION | admin@localhost | 2011-09-23 17:14:24 | 2012-07-24 19:01:55 | DEFINER | | latin1 | latin1_swedish_ci | latin1_swedish_ci |
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+----------+-----------+----------+-----------------+---------------------+---------------------+---------------+---------+----------------------+----------------------+--------------------+
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1 row in set (0.01 sec)
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mysql> show create function GeoDistKm;
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+-----------+----------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------+----------------------+--------------------+
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| Function | sql_mode | Create Function | character_set_client | collation_connection | Database Collation |
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+-----------+----------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------+----------------------+--------------------+
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| GeoDistKm | | CREATE DEFINER=`admin`@`localhost` FUNCTION `GeoDistKm`( lat1 FLOAT, lon1 FLOAT, lat2 FLOAT, lon2 FLOAT ) RETURNS float
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BEGIN
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DECLARE pi, q1, q2, q3 FLOAT;
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DECLARE rads FLOAT DEFAULT 0;
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SET pi = PI();
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SET lat1 = lat1 * pi / 180;
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SET lon1 = lon1 * pi / 180;
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SET lat2 = lat2 * pi / 180;
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SET lon2 = lon2 * pi / 180;
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SET q1 = COS(lon1-lon2);
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SET q2 = COS(lat1-lat2);
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SET q3 = COS(lat1+lat2);
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SET rads = ACOS( 0.5*((1.0+q1)*q2 - (1.0-q1)*q3) );
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RETURN 6378.388 * rads;
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END | latin1 | latin1_swedish_ci | latin1_swedish_ci |
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+-----------+----------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------+----------------------+--------------------+
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1 row in set (0.00 sec)
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