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Show only one SAT per distance record

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phl0
2024-09-02 08:21:32 +02:00
parent cb6f780378
commit 22380b36bf
1 changed files with 15 additions and 9 deletions
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24
application/models/Distancerecords_model.php
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@@ -10,16 +10,22 @@ class Distancerecords_model extends CI_Model {
if (!$logbooks_locations_array) {
return null;
}
$sql = 'SELECT t1.sat, t1.distance, t2.COL_TIME_ON time, t2.COL_CALL callsign, t2.COL_GRIDSQUARE grid, t2.COL_MODE mode, t2.COL_PRIMARY_KEY AS primarykey FROM
(
SELECT MAX(col_distance) distance, COL_SAT_NAME sat
FROM '.$this->config->item('table_name').'
WHERE station_id in ('.implode(', ', $logbooks_locations_array).')
AND COALESCE(COL_SAT_NAME, "") <> ""
GROUP BY col_sat_name
$sql = 'SELECT t1.sat, t1.distance, t2.COL_TIME_ON AS time, t2.COL_CALL AS callsign, t2.COL_GRIDSQUARE AS grid, t2.COL_MODE AS mode, t2.COL_PRIMARY_KEY AS primarykey
FROM (
SELECT MAX(col_distance) AS distance, COL_SAT_NAME AS sat
FROM '.$this->config->item('table_name').'
WHERE station_id IN ('.implode(', ', $logbooks_locations_array).')
AND COALESCE(COL_SAT_NAME, "") <> ""
GROUP BY col_sat_name
) t1
LEFT JOIN '.$this->config->item('table_name').' t2 ON t1.sat = t2.COL_SAT_NAME AND t1.distance = t2.COL_DISTANCE ORDER BY t1.distance DESC;
';
LEFT JOIN (
SELECT *, ROW_NUMBER() OVER (PARTITION BY COL_SAT_NAME, COL_DISTANCE ORDER BY COL_TIME_ON asc) AS rn
FROM '.$this->config->item('table_name').'
) t2
ON t1.sat = t2.COL_SAT_NAME
AND t1.distance = t2.COL_DISTANCE
WHERE t2.rn = 1
ORDER BY t1.distance DESC;';
return $this->db->query($sql);
}