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Increase transaction isolation level for track scheduling and moving

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This commit is contained in:
Albert Santoni 2015-10-19 17:31:26 -04:00
parent da6e613a24
commit f8a6721703
1 changed files with 7 additions and 0 deletions
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7
airtime_mvc/application/models/Scheduler.php
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@ -955,6 +955,10 @@ class Application_Model_Scheduler
$this->con->beginTransaction();
try {
//Increase the transaction isolation level to prevent two concurrent requests from potentially resulting
//in tracks scheduled at the same time.
$this->con->exec("SET TRANSACTION ISOLATION LEVEL SERIALIZABLE");
$this->validateMediaItems($mediaItems); //Check for missing files, etc.
$this->validateRequest($scheduleItems, true);
@ -1005,6 +1009,9 @@ class Application_Model_Scheduler
//$this->con->useDebug(true);
try {
//Increase the transaction isolation level to prevent two concurrent requests from potentially resulting
//in tracks scheduled at the same time.
$this->con->exec("SET TRANSACTION ISOLATION LEVEL SERIALIZABLE");
$this->validateItemMove($selectedItems, $afterItems[0]);
$this->validateRequest($selectedItems);