Hello all,
This is more of a database question but since this group contains a lot of
db experts as well, I am throwing it here as well.. I am having a table
which represents entities... User can upload entities(pics, videos etc).. i
want that no entity overwrite the other, but my entities can be on multiple
servers.. so i can't check the file system for the save name of the entity.
I need to refer to the table to see the entity_name... later on i use the
name as unique id.. here is the code that does the trick..
$result = $this->Entity->findByEntityUid($newfile);
if (isset($result)) {
$filenumber = 0;
$filesuffix = '';
$fileparts = explode('.', $newfile);
$fileext = '.' . array_pop($fileparts);
$filebase = implode('.', $fileparts);
do {
$filenumber++;
$filesuffix = '-' . $filenumber;
$entity_uid = $filebase . $filesuffix;
$newfile = $entity_uid . $fileext;
} while ($this->Entity->findByEntityUid($entity_uid));
But i am worried that this code is not thread safe... Can some one suggest
me that how to go about this problem? More over i want to use the same
entity uid as a primary key to the table so more worries come in when i
think that duplicate enteries can come in because of the code that is not
thread safe.. Please help..
--
Thanks & Regards,
Novice.
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