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CC-3331: Optimize "Now Playing" to load in less than 1/2 second

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- Reorganized the now playing to find all the scheduled items within two time frames instead of in a loop per show id.
- I've cut the time in half
This commit is contained in:
Daniel 2012-02-17 16:47:12 -05:00
parent 6d71ec8c9c
commit 5cb99e9532
3 changed files with 92 additions and 157 deletions
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36
airtime_mvc/application/models/ShowInstance.php
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@ -756,42 +756,6 @@ class Application_Model_ShowInstance {
return $CC_DBC->GetAll($sql);
}
public static function getScheduleItemsForAllShowsInRange($timeNow, $start, $end)
{
global $CC_DBC, $CC_CONFIG;
$sql = "SELECT"
." si.starts as show_starts,"
." si.ends as show_ends,"
." si.rebroadcast as rebroadcast,"
." st.starts as item_starts,"
." st.ends as item_ends,"
." st.clip_length as clip_length,"
." ft.track_title as track_title,"
." ft.artist_name as artist_name,"
." ft.album_title as album_title,"
." s.name as show_name,"
." si.id as instance_id,"
." pt.name as playlist_name"
." FROM $CC_CONFIG[showInstances] si"
." LEFT JOIN $CC_CONFIG[scheduleTable] st"
." ON st.instance_id = si.id"
." LEFT JOIN $CC_CONFIG[playListTable] pt"
." ON st.playlist_id = pt.id"
." LEFT JOIN $CC_CONFIG[filesTable] ft"
." ON st.file_id = ft.id"
." LEFT JOIN $CC_CONFIG[showTable] s"
." ON si.show_id = s.id"
." WHERE ((si.starts < TIMESTAMP '$timeNow' - INTERVAL '$start seconds' AND si.ends > TIMESTAMP '$timeNow' - INTERVAL '$start seconds')"
." OR (si.starts > TIMESTAMP '$timeNow' - INTERVAL '$start seconds' AND si.ends < TIMESTAMP '$timeNow' + INTERVAL '$end seconds')"
." OR (si.starts < TIMESTAMP '$timeNow' + INTERVAL '$end seconds' AND si.ends > TIMESTAMP '$timeNow' + INTERVAL '$end seconds'))"
." AND (st.starts < si.ends)"
." ORDER BY si.id, si.starts, st.starts";
return $CC_DBC->GetAll($sql);
}
public function getLastAudioItemEnd(){
global $CC_DBC;