Log in as admin Navigate to Users > Accounts > User profile fields in site administration Create two new Text input profile fields: Short name / Name: PField1 Short name / Name: PField2 Select Profile from user menu Press Edit profile PField1: Orange PField2: Carrot Save Create a new user: PField1: Red PField2: Apple Save Navigate to Development > Debugging in site administration Set Debug messages to Developer Navigate to Reports from user menu Create new report from Users report source Ensure Include default setup is unchecked In report editor, add the following columns: User > First name User > PField2 Confirm first name of each user, along with value of PField2 profile field is shown Add User > PField2 condition Is equal to: Carrot Apply Confirm only admin user & Carrot are shown Expand report Debug info Confirm the { user_info_data } table is joined only once in the report Add User > PField1 column Confirm admin user, Carrot and Orange are shown Expand report Debug info Confirm the { user_info_data } table is now joined twice in the report (once per profile field) Add User > PField1 condition Is equal to: Orange Apply Confirm admin user, Carrot and Orange are shown Expand report Debug info Confirm the { user_info_data } table is still joined twice in the report (once per profile field)