SELECT id AS id
     , username AS username
     , password AS password
     , mail_address AS email
  FROM phpwebgallery_users
  WHERE id = '2'
;
[mysql error 1146] Table 'fox_cie.phpwebgallery_users' doesn't exist

SELECT cat_id
  FROM phpwebgallery_user_access
  WHERE user_id = 
;
[mysql error 1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 3

SELECT cat_id
  FROM phpwebgallery_user_group AS ug INNER JOIN phpwebgallery_group_access AS ga
    ON ug.group_id = ga.group_id
  WHERE ug.user_id = 
;
[mysql error 1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 4

DELETE FROM phpwebgallery_user_cache
  WHERE user_id = 
;
[mysql error 1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 2

INSERT INTO phpwebgallery_user_cache
  (user_id,need_update,forbidden_categories,nb_total_images)
  VALUES
  (,'false','571,572,573,574,575,576,577,578,579,580,581,582,583,584,585,586,587,588,589,590,591,592,593,594,595,596,615,616,620,621,622,623,630,654,655,656,662,669,673,674,675,676,677,678,679,680,681,689',6550)
;
[mysql error 1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''false','571,572,573,574,575,576,577,578,579,580,581,582,583,584,585,586,587,588' at line 4