Title: Database cache problem
Last modified: August 30, 2016

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# Database cache problem

 *  [Artem P.](https://wordpress.org/support/users/madeinua/)
 * (@madeinua)
 * [10 years, 6 months ago](https://wordpress.org/support/topic/database-cache-problem/)
 * Hi,
    Found one issue with the database cache. Sample:
 *     ```
       $wpdb->query("TRUNCATE TABLE xyz");
       $wpdb->get_var("SELECT * FROM xyz WHERE fieldId = 1"); // return 0 --> correct
       $wpdb->insert("xyz", ['fieldId' => 1]); // insert record
       $wpdb->get_var("SELECT * FROM xyz WHERE fieldId = 1"); // return 0 --> wrong!
       ```
   
 * Result stays **cached** even after insert/update.
 * [https://wordpress.org/plugins/w3-total-cache/](https://wordpress.org/plugins/w3-total-cache/)

The topic ‘Database cache problem’ is closed to new replies.

 * ![](https://ps.w.org/w3-total-cache/assets/icon-256x256.png?rev=1041806)
 * [W3 Total Cache](https://wordpress.org/plugins/w3-total-cache/)
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 * [Support Threads](https://wordpress.org/support/plugin/w3-total-cache/)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/w3-total-cache/unresolved/)
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## Tags

 * [database cache](https://wordpress.org/support/topic-tag/database-cache/)

 * 0 replies
 * 1 participant
 * Last reply from: [Artem P.](https://wordpress.org/support/users/madeinua/)
 * Last activity: [10 years, 6 months ago](https://wordpress.org/support/topic/database-cache-problem/)
 * Status: not resolved