Title: Update wp 4.2.1
Last modified: August 24, 2016

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# Update wp 4.2.1

 *  [wgcv](https://wordpress.org/support/users/wgcv/)
 * (@wgcv)
 * [11 years, 1 month ago](https://wordpress.org/support/topic/update-wp-421/)
 * how i update to wp 4.2.1? i can instal in wp3 but when i update says:
 *     ```
       Warning: pg_query(): Query failed: ERROR: missing FROM-clause entry for table "session" LINE 1: SELECT @@SESSION.sql_mode ^ in /home/wgcv/www/php/wordpress/wp-content/pg4wp/driver_pgsql.php on line 136
       WordPress
   
       Database Update Required
   
       WordPress has been updated! Before we send you on your way, we have to update your database to the newest version.
   
       The update process may take a little while, so please be patient.
       ```
   
 * when i update says:
 *     ```
       Warning: pg_query(): Query failed: ERROR: missing FROM-clause entry for table "session" LINE 1: SELECT @@SESSION.sql_mode ^ in /home/wgcv/www/php/wordpress/wp-content/pg4wp/driver_pgsql.php on line 136
       WordPress
   
       Catchable fatal error: Object of class WP_Error could not be converted to string in /home/wgcv/www/php/wordpress/wp-admin/includes/upgrade.php on line 1459
       ```
   
 * help me pls
 * [https://wordpress.org/plugins/postgresql-for-wordpress/](https://wordpress.org/plugins/postgresql-for-wordpress/)

The topic ‘Update wp 4.2.1’ is closed to new replies.

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 * [PostgreSQL for WordPress (PG4WP)](https://wordpress.org/plugins/postgresql-for-wordpress/)
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 * 0 replies
 * 1 participant
 * Last reply from: [wgcv](https://wordpress.org/support/users/wgcv/)
 * Last activity: [11 years, 1 month ago](https://wordpress.org/support/topic/update-wp-421/)
 * Status: not resolved