Codeigniter Out of Memory Error
Query Saving is a feature of CI’s database class that stores the results of every query in memory until the controller is finished executing. As it turns out, in version 1.6.0, the ability to turn this off was added. The addition of the save_queries variable is listed in the Change Log, but as of the latest release of 2.0.0 last week, it still hasn’t made the documentation.
$this->db->save_queries = FALSE;
via Undocumented CodeIgniter | Green Egg Media.
One thing to note is that disabling
save_queries would disable some other Database class functions like
last_query(). So it is not just used by profiler.
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