(cond ((and value (null slot-reader))
(setf (slot-value instance slot-name)
(read-sql-value value (delistify slot-type)
- (view-database instance)
+ (choose-database-for-instance instance)
(database-underlying-type
- (view-database instance)))))
+ (choose-database-for-instance instance)))))
((null value)
(update-slot-with-null instance slot-name slotdef))
((typep slot-reader 'string)
(mapc #'update-slot slotdeflist values)
obj))
-(defmethod choose-database-for-instance ((obj standard-db-object) database)
+(defmethod choose-database-for-instance ((obj standard-db-object) &optional database)
"Determine which database connection to use for a standard-db-object.
Errs if none is available."
(or (find-if #'(lambda (db)
*default-database*))
(signal-no-database-error nil)))
-(defmethod update-record-from-slot ((obj standard-db-object) slot &key
- database)
- (let* ((database (choose-database-for-instance obj database))
- (vct (view-table (class-of obj)))
- (sd (slotdef-for-slot-with-class slot (class-of obj))))
- (check-slot-type sd (slot-value obj slot))
- (let* ((att (view-class-slot-column sd))
- (val (db-value-from-slot sd (slot-value obj slot) database)))
- (cond ((and vct sd (view-database obj))
- (update-records (sql-expression :table vct)
- :attributes (list (sql-expression :attribute att))
- :values (list val)
- :where (key-qualifier-for-instance
- obj :database database)
- :database database))
- ((and vct sd (not (view-database obj)))
- (insert-records :into (sql-expression :table vct)
- :attributes (list (sql-expression :attribute att))
- :values (list val)
- :database database)
- (setf (slot-value obj 'view-database) database))
- (t
- (error "Unable to update record.")))))
- (values))
+(defmethod update-record-from-slot ((obj standard-db-object) slot
+ &key database)
+ (update-record-from-slots obj (list slot) :database database))
(defmethod update-record-from-slots ((obj standard-db-object) slots
&key database)
(db-value-from-slot slot val database))))
slots)))
(cond ((and avps (view-database obj))
- (update-records (sql-expression :table vct)
- :av-pairs avps
- :where (key-qualifier-for-instance
- obj :database database)
- :database database))
+ (let ((where (key-qualifier-for-instance
+ obj :database database)))
+ (unless where
+ (error "update-record-from-slots: Could not generate a where clause for this object: ~a" obj))
+ (update-records (sql-expression :table vct)
+ :av-pairs avps
+ :where where
+ :database database)))
((and avps (not (view-database obj)))
(insert-records :into (sql-expression :table vct)
:av-pairs avps
:database database)
(setf (slot-value obj 'view-database) database))
(t
- (error "Unable to update record"))))
+ (error "Unable to update record."))))
(values))
(defmethod update-records-from-instance ((obj standard-db-object) &key database)
:result-types nil
:database database)))))
(when res
+ (setf (slot-value instance 'view-database) database)
(get-slot-values-from-view instance (mapcar #'car sels) (car res)))))
(defmethod update-slot-from-record ((instance standard-db-object)
(format nil "~F" val)))
(defmethod read-sql-value (val type database db-type)
- (declare (ignore type database db-type))
- (read-from-string val))
+ (declare (ignore database db-type))
+ (cond
+ ((null type) val) ;;we have no desired type, just give the value
+ ((typep val type) val) ;;check that it hasn't already been converted.
+ ((typep val 'string) (read-from-string val)) ;;maybe read will just take care of it?
+ (T (error "Unable to read-sql-value ~a as type ~a" val type))))
(defmethod read-sql-value (val (type (eql 'string)) database db-type)
(declare (ignore database db-type))
:table jc-view-table))
:where jq
:result-types :auto
- :database (view-database object))))
+ :database (choose-database-for-instance object))))
(mapcar #'(lambda (i)
(let* ((instance (car i))
- (jcc (make-instance jc :view-database (view-database instance))))
+ (jcc (make-instance jc :view-database (choose-database-for-instance object))))
(setf (slot-value jcc (gethash :foreign-key dbi))
key)
(setf (slot-value jcc (gethash :home-key tdbi))
;; just fill in minimal slots
(mapcar
#'(lambda (k)
- (let ((instance (make-instance tsc :view-database (view-database object)))
- (jcc (make-instance jc :view-database (view-database object)))
+ (let ((instance (make-instance tsc :view-database (choose-database-for-instance object)))
+ (jcc (make-instance jc :view-database (choose-database-for-instance object)))
(fk (car k)))
(setf (slot-value instance (gethash :home-key tdbi)) fk)
(setf (slot-value jcc (gethash :foreign-key dbi))
(select (sql-expression :attribute (gethash :foreign-key tdbi) :table jc-view-table)
:from (sql-expression :table jc-view-table)
:where jq
- :database (view-database object))))))))
+ :database (choose-database-for-instance object))))))))
;;; Remote Joins
(let ((jq (join-qualifier class object slot-def)))
(when jq
(select jc :where jq :flatp t :result-types nil
- :database (view-database object))))))
+ :database (choose-database-for-instance object))))))
(defun fault-join-slot (class object slot-def)
(let* ((dbi (view-class-slot-db-info slot-def))
(car objects)
objects))))
+(defmethod select-table-sql-expr ((table T))
+ "Turns an object representing a table into the :from part of the sql expression that will be executed "
+ (sql-expression :table (view-table table)))
+
(defun find-all (view-classes
&rest args
&key all set-operation distinct from where group-by having
(flet ((ref-equal (ref1 ref2)
(string= (sql-output ref1 database)
(sql-output ref2 database)))
- (table-sql-expr (table)
- (sql-expression :table (view-table table)))
(tables-equal (table-a table-b)
(when (and table-a table-b)
(string= (string (slot-value table-a 'name))
(fullsels (apply #'append (mapcar #'append sels immediate-join-sels)))
(sel-tables (collect-table-refs where))
(tables (remove-if #'null
- (remove-duplicates
- (append (mapcar #'table-sql-expr sclasses)
- (mapcan #'(lambda (jc-list)
- (mapcar
- #'(lambda (jc) (when jc (table-sql-expr jc)))
- jc-list))
- immediate-join-classes)
- sel-tables)
- :test #'tables-equal)))
+ (remove-duplicates
+ (append (mapcar #'select-table-sql-expr sclasses)
+ (mapcan #'(lambda (jc-list)
+ (mapcar
+ #'(lambda (jc) (when jc (select-table-sql-expr jc)))
+ jc-list))
+ immediate-join-classes)
+ sel-tables)
+ :test #'tables-equal)))
(order-by-slots (mapcar #'(lambda (ob) (if (atom ob) ob (car ob)))
(listify order-by)))
(join-where nil))
projects / clsql.git / blobdiff