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Smarty
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datamile
Smarty Rookie
Joined: 17 May 2003
Posts: 13
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 Posted: Sat May 17, 2003 10:21 am Post subject: caching and database access |
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hi, I've got a 2.3 app which I'm looking to upgrade to 2.5 with caching.
I'm looking at caching around the database access if the page is already cache.
Can the following happen.
is_cache = true , so don't do db access and go straight to display , but between the test and the display the cache has been cleared ?
If this was possible then I could get blank pages etc. |
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messju
Administrator
Joined: 16 Apr 2003
Posts: 3336
Location: Oldenburg, Germany
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| Posted: Sat May 17, 2003 10:35 am Post subject: |
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no this shouldn't happen.
if you do sth like:
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if (!$smarty->is_cached($tpl_file, $cache_id)) {
[expensive db stuff}
}
$smarty->display($tpl_file, $cache_id);
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then the template is already fetched from the cache after the is_cached() returned true. that means the display-call later on will *always* use the cached version. you are just not allowed to change $tpl_file or $cache_id in between, of course.
HTH
messju |
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