Name

UPDATE-RECORDS-FROM-INSTANCE — Update database from view class object.Function

Syntax

      update-records-from-instance object &key database => 

Arguments and Values

object

An instance of a View Class.

database

database object. This will default to the value of *default-database*.

Description

Using an instance of a View Class, object, update the table that stores its instance data. database specifies the database in which the update is made only if object is not associated with a database. In this case, a record is created in the appropriate table of database using values from the slot values of object, and object becomes associated with database.

Examples

(select [email] :from [employee] :where [= [emplid] 1] :field-names nil :flatp t)
=> ("lenin@soviet.org")
(defvar *e1* (car (select 'employee :where [= [slot-value 'employee 'emplid] 1] :flatp t)))
=> *E1* 
(slot-value *e1* 'email)
=> "lenin@soviet.org"
(setf (slot-value *e1* 'email) "v.lenin@soviet.org")
=> "v.lenin@soviet.org"
(update-records-from-instance *e1*)
=> 
(select [email] :from [employee] :where [= [emplid] 1] :field-names nil :flatp t)
=> ("v.lenin@soviet.org")
     

Side Effects

Modifies the database.

Affected by

Nothing.

Exceptional Situations

Database errors.

See Also

update-record-from-slot
update-record-from-slots
update-records

Notes

None.