(mapc #'update-slot slotdeflist values)
obj))
-(defun synchronize-keys (src srckey dest destkey)
- (let ((skeys (if (listp srckey) srckey (list srckey)))
- (dkeys (if (listp destkey) destkey (list destkey))))
- (mapcar #'(lambda (sk dk)
- (setf (slot-value dest dk)
- (typecase sk
- (symbol
- (slot-value src sk))
- (t sk))))
- skeys dkeys)))
-
-(defun desynchronize-keys (dest destkey)
- (let ((dkeys (if (listp destkey) destkey (list destkey))))
- (mapcar #'(lambda (dk)
- (setf (slot-value dest dk) nil))
- dkeys)))
-
-(defmethod add-to-relation ((target standard-db-object)
- slot-name
- (value standard-db-object))
- (let* ((objclass (class-of target))
- (sdef (or (slotdef-for-slot-with-class slot-name objclass)
- (error "~s is not an known slot on ~s" slot-name target)))
- (dbinfo (view-class-slot-db-info sdef))
- (join-class (gethash :join-class dbinfo))
- (homekey (gethash :home-key dbinfo))
- (foreignkey (gethash :foreign-key dbinfo))
- (to-many (gethash :set dbinfo)))
- (unless (equal (type-of value) join-class)
- (error 'clsql-type-error :slotname slot-name :typespec join-class
- :value value))
- (when (gethash :target-slot dbinfo)
- (error "add-to-relation does not work with many-to-many relations yet."))
- (if to-many
- (progn
- (synchronize-keys target homekey value foreignkey)
- (if (slot-boundp target slot-name)
- (unless (member value (slot-value target slot-name))
- (setf (slot-value target slot-name)
- (append (slot-value target slot-name) (list value))))
- (setf (slot-value target slot-name) (list value))))
- (progn
- (synchronize-keys value foreignkey target homekey)
- (setf (slot-value target slot-name) value)))))
-
-(defmethod remove-from-relation ((target standard-db-object)
- slot-name (value standard-db-object))
- (let* ((objclass (class-of target))
- (sdef (slotdef-for-slot-with-class slot-name objclass))
- (dbinfo (view-class-slot-db-info sdef))
- (homekey (gethash :home-key dbinfo))
- (foreignkey (gethash :foreign-key dbinfo))
- (to-many (gethash :set dbinfo)))
- (when (gethash :target-slot dbinfo)
- (error "remove-relation does not work with many-to-many relations yet."))
- (if to-many
- (progn
- (desynchronize-keys value foreignkey)
- (if (slot-boundp target slot-name)
- (setf (slot-value target slot-name)
- (remove value
- (slot-value target slot-name)
- :test #'equal))))
- (progn
- (desynchronize-keys target homekey)
- (setf (slot-value target slot-name)
- nil)))))
-
(defgeneric update-record-from-slot (object slot &key database)
(:documentation
"The generic function UPDATE-RECORD-FROM-SLOT updates an individual
(defun slot-type (slotdef)
(specified-type slotdef))
+(defvar *update-context* nil)
+
(defmethod update-slot-from-db ((instance standard-db-object) slotdef value)
(declare (optimize (speed 3) #+cmu (extensions:inhibit-warnings 3)))
- (let ((slot-reader (view-class-slot-db-reader slotdef))
- (slot-name (slot-definition-name slotdef))
- (slot-type (slot-type slotdef)))
+ (let* ((slot-reader (view-class-slot-db-reader slotdef))
+ (slot-name (slot-definition-name slotdef))
+ (slot-type (slot-type slotdef))
+ (*update-context* (cons (type-of instance) slot-name)))
(cond ((and value (null slot-reader))
(setf (slot-value instance slot-name)
(read-sql-value value (delistify slot-type)
(mapc #'update-slot slotdeflist values)
obj))
-
-(defun synchronize-keys (src srckey dest destkey)
- (let ((skeys (if (listp srckey) srckey (list srckey)))
- (dkeys (if (listp destkey) destkey (list destkey))))
- (mapcar #'(lambda (sk dk)
- (setf (slot-value dest dk)
- (typecase sk
- (symbol
- (slot-value src sk))
- (t sk))))
- skeys dkeys)))
-
-(defun desynchronize-keys (dest destkey)
- (let ((dkeys (if (listp destkey) destkey (list destkey))))
- (mapcar #'(lambda (dk)
- (setf (slot-value dest dk) nil))
- dkeys)))
-
-(defmethod add-to-relation ((target standard-db-object)
- slot-name
- (value standard-db-object))
- (let* ((objclass (class-of target))
- (sdef (or (slotdef-for-slot-with-class slot-name objclass)
- (error "~s is not an known slot on ~s" slot-name target)))
- (dbinfo (view-class-slot-db-info sdef))
- (join-class (gethash :join-class dbinfo))
- (homekey (gethash :home-key dbinfo))
- (foreignkey (gethash :foreign-key dbinfo))
- (to-many (gethash :set dbinfo)))
- (unless (equal (type-of value) join-class)
- (error 'clsql-type-error :slotname slot-name :typespec join-class
- :value value))
- (when (gethash :target-slot dbinfo)
- (error "add-to-relation does not work with many-to-many relations yet."))
- (if to-many
- (progn
- (synchronize-keys target homekey value foreignkey)
- (if (slot-boundp target slot-name)
- (unless (member value (slot-value target slot-name))
- (setf (slot-value target slot-name)
- (append (slot-value target slot-name) (list value))))
- (setf (slot-value target slot-name) (list value))))
- (progn
- (synchronize-keys value foreignkey target homekey)
- (setf (slot-value target slot-name) value)))))
-
-(defmethod remove-from-relation ((target standard-db-object)
- slot-name (value standard-db-object))
- (let* ((objclass (class-of target))
- (sdef (slotdef-for-slot-with-class slot-name objclass))
- (dbinfo (view-class-slot-db-info sdef))
- (homekey (gethash :home-key dbinfo))
- (foreignkey (gethash :foreign-key dbinfo))
- (to-many (gethash :set dbinfo)))
- (when (gethash :target-slot dbinfo)
- (error "remove-relation does not work with many-to-many relations yet."))
- (if to-many
- (progn
- (desynchronize-keys value foreignkey)
- (if (slot-boundp target slot-name)
- (setf (slot-value target slot-name)
- (remove value
- (slot-value target slot-name)
- :test #'equal))))
- (progn
- (desynchronize-keys target homekey)
- (setf (slot-value target slot-name)
- nil)))))
-
(defgeneric update-record-from-slot (object slot &key database)
(:documentation
"The generic function UPDATE-RECORD-FROM-SLOT updates an individual
(res (apply #'select (append (mapcar #'cdr sels)
(list :from view-table
:where view-qual)))))
- (get-slot-values-from-view instance (mapcar #'car sels) (car res))))
+ (when res
+ (get-slot-values-from-view instance (mapcar #'car sels) (car res)))))
(defgeneric update-slot-from-record (instance slot &key database)
(:documentation
(defmethod read-sql-value (val (type (eql 'symbol)) database)
(declare (ignore database))
(when (< 0 (length val))
- (if (find #\: val)
- (read-from-string val)
- (intern (string-upcase val) "KEYWORD"))))
+ (unless (string= val "NIL")
+ (intern (string-upcase val)
+ (symbol-package *update-context*)))))
(defmethod read-sql-value (val (type (eql 'integer)) database)
(declare (ignore database))
;; ------------------------------------------------------------
;; Logic for 'faulting in' :join slots
-(defun fault-join-slot-raw (class instancex slot-def)
+(defun fault-join-slot-raw (class object slot-def)
(let* ((dbi (view-class-slot-db-info slot-def))
(jc (gethash :join-class dbi)))
- (let ((jq (join-qualifier class instance slot-def)))
+ (let ((jq (join-qualifier class object slot-def)))
(when jq
(select jc :where jq)))))
-(defun fault-join-slot (class instance slot-def)
+(defun fault-join-slot (class object slot-def)
(let* ((dbi (view-class-slot-db-info slot-def))
(ts (gethash :target-slot dbi))
- (res (fault-join-slot-raw class instance slot-def)))
+ (res (fault-join-slot-raw class object slot-def)))
(when res
(cond
((and ts (gethash :set dbi))
(apply #'sql-and jc)
jc))))))
+(defmethod postinitialize ((self t))
+ )
(defun find-all (view-classes &rest args &key all set-operation distinct from
where group-by having order-by order-by-descending offset limit
(postinitialize obj)
obj))
-(defmethod postinitialize ((self t))
- )
-
(defun select (&rest select-all-args)
"Selects data from database given the constraints specified. Returns
a list of lists of record values as specified by select-all-args. By