The CI framework performs a workaround for excessive memory usage under the CLI _php instance

Many programmers use the CodeIgniter CLI to perform a large-scale data import problem, there will always be high memory situation, the following for this analyzer cause and resolution.

CI DB saves all query SQL and SQL execution time , and for import problems like millions big data, the SQL records they execute are stored in the content, which takes up a lot of content until the end of the script.

Workaround:
When you perform a large number of DB operations, remember to set:
Copy the Code code as follows:
$this->db->save_queries = FALSE;

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