;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
-;;;; ======================================================================
-;;;; $Id: $
-;;;; ======================================================================
+;;;; *************************************************************************
;;;;
-;;;; Description ==========================================================
-;;;; ======================================================================
+;;;; CLSQL metaclass for standard-db-objects created in the OODDL.
;;;;
-;;;; CLSQL metaclass for standard-db-objects created in the OODDL.
+;;;; This file is part of CLSQL.
;;;;
-;;;; ======================================================================
-
+;;;; CLSQL users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
+;;;; *************************************************************************
(in-package #:clsql-sys)
(eval-when (:compile-toplevel :load-toplevel :execute)
(when (>= (length (generic-function-lambda-list
- (ensure-generic-function
- 'compute-effective-slot-definition)))
- 3)
+ (ensure-generic-function
+ 'compute-effective-slot-definition)))
+ 3)
(pushnew :kmr-normal-cesd cl:*features*))
-
+
(when (>= (length (generic-function-lambda-list
- (ensure-generic-function
- 'direct-slot-definition-class)))
- 3)
+ (ensure-generic-function
+ 'direct-slot-definition-class)))
+ 3)
(pushnew :kmr-normal-dsdc cl:*features*))
-
+
(when (>= (length (generic-function-lambda-list
- (ensure-generic-function
- 'effective-slot-definition-class)))
- 3)
+ (ensure-generic-function
+ 'effective-slot-definition-class)))
+ 3)
(pushnew :kmr-normal-esdc cl:*features*)))
:accessor object-definition
:initarg :definition
:initform nil)
- (version
- :accessor object-version
- :initarg :version
- :initform 0)
(key-slots
:accessor key-slots
:initform nil)
+ (normalizedp
+ :accessor normalizedp
+ :initform nil)
(class-qualifier
:accessor view-class-qualifier
:initarg :qualifier
:initform nil))
- (:documentation "VIEW-CLASS metaclass."))
+ (:documentation "Metaclass for all CLSQL View Classes."))
-#+lispworks
-(defmacro push-on-end (value location)
- `(setf ,location (nconc ,location (list ,value))))
+;;; Lispworks 4.2 and before requires special processing of extra slot and class options
-;; As Heiko Kirscke (author of PLOB!) would say: !@##^@%! Lispworks!
-#+lispworks
-(defconstant +extra-slot-options+ '(:column :db-kind :db-reader :nulls-ok
- :db-writer :db-type :db-info))
-
-#+lispworks
-(define-setf-expander assoc (key alist &environment env)
- (multiple-value-bind (temps vals stores store-form access-form)
- (get-setf-expansion alist env)
- (let ((new-value (gensym "NEW-VALUE-"))
- (keyed (gensym "KEYED-"))
- (accessed (gensym "ACCESSED-"))
- (store-new-value (car stores)))
- (values (cons keyed temps)
- (cons key vals)
- `(,new-value)
- `(let* ((,accessed ,access-form)
- (,store-new-value (assoc ,keyed ,accessed)))
- (if ,store-new-value
- (rplacd ,store-new-value ,new-value)
- (progn
- (setq ,store-new-value
- (acons ,keyed ,new-value ,accessed))
- ,store-form))
- ,new-value)
- `(assoc ,new-value ,access-form)))))
-
-#+lispworks
-(defmethod clos::canonicalize-defclass-slot :around
- ((prototype standard-db-class) slot)
- "\\lw\\ signals an error on unknown slot options; so this method
-removes any extra allowed options before calling the default method
-and returns the canonicalized extra options concatenated to the result
-of the default method. The extra allowed options are the value of the
-\\fcite{+extra-slot-options+}."
- (let ((extra-slot-options ())
- (rest-options ())
- (result ()))
- (do ((olist (cdr slot) (cddr olist)))
- ((null olist))
- (let ((option (car olist)))
- (cond
- ((find option +extra-slot-options+)
- ;;(push (cons option (cadr olist)) extra-slot-options))
- (setf (assoc option extra-slot-options) (cadr olist)))
- (t
- (push (cadr olist) rest-options)
- (push (car olist) rest-options)))))
- (setf result (call-next-method prototype (cons (car slot) rest-options)))
- (dolist (option extra-slot-options)
- (push-on-end (car option) result)
- (push-on-end `(quote ,(cdr option)) result))
- result))
+(defvar +extra-slot-options+ '(:column :db-kind :db-type :db-reader :void-value :db-constraints
+ :db-writer :db-info))
+(defvar +extra-class-options+ '(:base-table))
#+lispworks
-(defconstant +extra-class-options+ '(:base-table :version :schemas))
-
-#+lispworks
-(defmethod clos::canonicalize-class-options :around
- ((prototype standard-db-class) class-options)
- "\\lw\\ signals an error on unknown class options; so this method
-removes any extra allowed options before calling the default method
-and returns the canonicalized extra options concatenated to the result
-of the default method. The extra allowed options are the value of the
-\\fcite{+extra-class-options+}."
- (let ((extra-class-options nil)
- (rest-options ())
- (result ()))
- (dolist (o class-options)
- (let ((option (car o)))
- (cond
- ((find option +extra-class-options+)
- ;;(push (cons option (cadr o)) extra-class-options))
- (setf (assoc option extra-class-options) (cadr o)))
- (t
- (push o rest-options)))))
- (setf result (call-next-method prototype rest-options))
- (dolist (option extra-class-options)
- (push-on-end (car option) result)
- (push-on-end `(quote ,(cdr option)) result))
- result))
+(dolist (slot-option +extra-slot-options+)
+ (eval `(process-slot-option standard-db-class ,slot-option)))
+#+lispworks
+(dolist (class-option +extra-class-options+)
+ (eval `(process-class-option standard-db-class ,class-option)))
(defmethod validate-superclass ((class standard-db-class)
- (superclass standard-class))
+ (superclass standard-class))
t)
(defun table-name-from-arg (arg)
(cond ((symbolp arg)
- arg)
- ((typep arg 'sql-ident)
- (slot-value arg 'name))
- ((stringp arg)
- (intern (string-upcase arg)))))
-
-(defun column-name-from-arg (arg)
- (cond ((symbolp arg)
- arg)
- ((typep arg 'sql-ident)
- (slot-value arg 'name))
- ((stringp arg)
- (intern (string-upcase arg)))))
-
+ (intern (sql-escape arg)))
+ ((typep arg 'sql-ident)
+ (if (symbolp (slot-value arg 'name))
+ (intern (sql-escape (slot-value arg 'name)))
+ (sql-escape (slot-value arg 'name))))
+ ((stringp arg)
+ (sql-escape arg))))
(defun remove-keyword-arg (arglist akey)
(let ((mylist arglist)
- (newlist ()))
+ (newlist ()))
(labels ((pop-arg (alist)
- (let ((arg (pop alist))
- (val (pop alist)))
- (unless (equal arg akey)
- (setf newlist (append (list arg val) newlist)))
- (when alist (pop-arg alist)))))
+ (let ((arg (pop alist))
+ (val (pop alist)))
+ (unless (equal arg akey)
+ (setf newlist (append (list arg val) newlist)))
+ (when alist (pop-arg alist)))))
(pop-arg mylist))
newlist))
+(defun set-view-table-slot (class base-table)
+ (setf (view-table class)
+ (table-name-from-arg (or (and base-table
+ (if (listp base-table)
+ (car base-table)
+ base-table))
+ (class-name class)))))
+
(defmethod initialize-instance :around ((class standard-db-class)
&rest all-keys
- &key direct-superclasses base-table
- schemas version qualifier
- &allow-other-keys)
+ &key direct-superclasses base-table
+ qualifier normalizedp
+ &allow-other-keys)
(let ((root-class (find-class 'standard-db-object nil))
- (vmc (find-class 'standard-db-class)))
+ (vmc 'standard-db-class))
(setf (view-class-qualifier class)
(car qualifier))
(if root-class
- (if (member-if #'(lambda (super)
- (eq (class-of super) vmc)) direct-superclasses)
- (call-next-method)
+ (if (some #'(lambda (super) (typep super vmc))
+ direct-superclasses)
+ (call-next-method)
(apply #'call-next-method
class
- :direct-superclasses (append (list root-class)
+ :direct-superclasses (append (list root-class)
direct-superclasses)
- (remove-keyword-arg all-keys :direct-superclasses)))
- (call-next-method))
- (setf (view-table class)
- (table-name-from-arg (sql-escape (or (and base-table
- (if (listp base-table)
- (car base-table)
- base-table))
- (class-name class)))))
- (setf (object-version class) version)
- (mapc (lambda (schema)
- (pushnew (class-name class) (gethash schema *object-schemas*)))
- (if (listp schemas) schemas (list schemas)))
+ (remove-keyword-arg all-keys :direct-superclasses)))
+ (call-next-method))
+ (set-view-table-slot class base-table)
+ (setf (normalizedp class) (car normalizedp))
(register-metaclass class (nth (1+ (position :direct-slots all-keys))
all-keys))))
(defmethod reinitialize-instance :around ((class standard-db-class)
&rest all-keys
- &key base-table schemas version
+ &key base-table normalizedp
direct-superclasses qualifier
&allow-other-keys)
(let ((root-class (find-class 'standard-db-object nil))
- (vmc (find-class 'standard-db-class)))
- (setf (view-table class)
- (table-name-from-arg (sql-escape (or (and base-table
- (if (listp base-table)
- (car base-table)
- base-table))
- (class-name class)))))
+ (vmc 'standard-db-class))
+ (set-view-table-slot class base-table)
+ (setf (normalizedp class) (car normalizedp))
(setf (view-class-qualifier class)
(car qualifier))
(if (and root-class (not (equal class root-class)))
- (if (member-if #'(lambda (super)
- (eq (class-of super) vmc)) direct-superclasses)
- (call-next-method)
+ (if (some #'(lambda (super) (typep super vmc))
+ direct-superclasses)
+ (call-next-method)
(apply #'call-next-method
class
:direct-superclasses (append (list root-class)
direct-superclasses)
- (remove-keyword-arg all-keys :direct-superclasses)))
+ (remove-keyword-arg all-keys :direct-superclasses)))
(call-next-method)))
- (setf (object-version class) version)
- (mapc (lambda (schema)
- (pushnew (class-name class) (gethash schema *object-schemas*)))
- (if (listp schemas) schemas (list schemas)))
(register-metaclass class (nth (1+ (position :direct-slots all-keys))
all-keys)))
(defun describe-db-layout (class)
(flet ((not-db-col (col)
- (not (member (nth 2 col) '(nil :base :key))))
+ (not (member (nth 2 col) '(nil :base :key))))
(frob-slot (slot)
- (let ((type (slot-value slot 'type)))
+ (let ((type (slot-definition-type slot)))
(if (eq type t)
(setq type nil))
(list (slot-value slot 'name)
(slot-value slot 'db-kind)
(and (slot-boundp slot 'column)
(slot-value slot 'column))))))
- (let ((all-slots (mapcar #'frob-slot (class-slots class))))
+ (let ((all-slots (mapcar #'frob-slot (ordered-class-slots class))))
(setq all-slots (remove-if #'not-db-col all-slots))
(setq all-slots (stable-sort all-slots #'string< :key #'car))
;;(mapcar #'dink-type all-slots)
(setq all-slots (remove-if #'not-db-col all-slots))
(setq all-slots (stable-sort all-slots #'string< :key #'car))
(setf (object-definition class) all-slots))
- #-(or allegro openmcl)
+ #-(or sbcl allegro)
(setf (key-slots class) (remove-if-not (lambda (slot)
- (eql (slot-value slot 'db-kind)
- :key))
- (class-slots class)))))
+ (eql (slot-value slot 'db-kind)
+ :key))
+ (slots-for-possibly-normalized-class class)))))
-#+(or allegro openmcl)
+#+(or sbcl allegro)
(defmethod finalize-inheritance :after ((class standard-db-class))
(setf (key-slots class) (remove-if-not (lambda (slot)
- (eql (slot-value slot 'db-kind)
- :key))
- (class-slots class))))
+ (eql (slot-value slot 'db-kind)
+ :key))
+ (slots-for-possibly-normalized-class class))))
;; return the deepest view-class ancestor for a given view class
:accessor view-class-slot-db-kind
:initarg :db-kind
:initform :base
- :type keyword
+ ;; openmcl 0.14.2 stores the value as list in the DSD
+ ;; :type (or list keyword)
+ #-openmcl :type #-openmcl keyword
:documentation
"The kind of DB mapping which is performed for this slot. :base
indicates the slot maps to an ordinary column of the DB view. :key
:initarg :db-constraints
:initform nil
:documentation
- "A single constraint or list of constraints for this column")
- (nulls-ok
- :accessor view-class-slot-nulls-ok
- :initarg :nulls-ok
+ "A keyword symbol representing a single SQL column constraint or list of such symbols.")
+ (void-value
+ :accessor view-class-slot-void-value
+ :initarg :void-value
:initform nil
:documentation
- "If t, all sql NULL values retrieved from the database become nil; if nil,
-all NULL values retrieved are converted by DATABASE-NULL-VALUE")
+ "Value to store if the SQL value is NULL. Default is NIL.")
(db-info
:accessor view-class-slot-db-info
:initarg :db-info
- :documentation "Description of the join.")))
+ :documentation "Description of the join.")
+ (specified-type
+ :accessor specified-type
+ :initarg specified-type
+ :initform nil
+ :documentation "Internal slot storing the :type specified by user.")
+ (autoincrement-sequence
+ :accessor view-class-slot-autoincrement-sequence
+ :initarg :autoincrement-sequence
+ :initform nil
+ :documentation "A string naming the (possibly automatically generated) sequence
+for a slot with an :auto-increment constraint.")))
(defparameter *db-info-lambda-list*
'(&key join-class
- home-key
- foreign-key
+ home-key
+ foreign-key
(key-join nil)
(target-slot nil)
- (retrieval :immmediate)
- (set nil)))
-
+ (retrieval :immmediate)
+ (set nil)))
+
(defun parse-db-info (db-info-list)
(destructuring-bind
- (&key join-class home-key key-join foreign-key (delete-rule nil)
- (target-slot nil) (retrieval :deferred) (set nil))
+ (&key join-class home-key key-join foreign-key (delete-rule nil)
+ (target-slot nil) (retrieval :deferred) (set t))
db-info-list
(let ((ih (make-hash-table :size 6)))
(if join-class
- (setf (gethash :join-class ih) join-class)
- (error "Must specify :join-class in :db-info"))
+ (setf (gethash :join-class ih) join-class)
+ (error "Must specify :join-class in :db-info"))
(if home-key
- (setf (gethash :home-key ih) home-key)
- (error "Must specify :home-key in :db-info"))
+ (setf (gethash :home-key ih) home-key)
+ (error "Must specify :home-key in :db-info"))
(when delete-rule
- (setf (gethash :delete-rule ih) delete-rule))
+ (setf (gethash :delete-rule ih) delete-rule))
(if foreign-key
- (setf (gethash :foreign-key ih) foreign-key)
- (error "Must specify :foreign-key in :db-info"))
+ (setf (gethash :foreign-key ih) foreign-key)
+ (error "Must specify :foreign-key in :db-info"))
(when key-join
(setf (gethash :key-join ih) t))
(when target-slot
- (setf (gethash :target-slot ih) target-slot))
+ (setf (gethash :target-slot ih) target-slot))
(when set
- (setf (gethash :set ih) set))
+ (setf (gethash :set ih) set))
(when retrieval
- (progn
- (setf (gethash :retrieval ih) retrieval)
- (if (eql retrieval :immediate)
- (setf (gethash :set ih) nil))))
+ (progn
+ (setf (gethash :retrieval ih) retrieval)
+ (if (eql retrieval :immediate)
+ (setf (gethash :set ih) nil))))
ih)))
(defclass view-class-direct-slot-definition (view-class-slot-definition-mixin
- standard-direct-slot-definition)
+ standard-direct-slot-definition)
())
(defclass view-class-effective-slot-definition (view-class-slot-definition-mixin
- standard-effective-slot-definition)
+ standard-effective-slot-definition)
())
(defmethod direct-slot-definition-class ((class standard-db-class)
(find-class 'view-class-direct-slot-definition))
(defmethod effective-slot-definition-class ((class standard-db-class)
- #+kmr-normal-esdc &rest
- initargs)
+ #+kmr-normal-esdc &rest
+ initargs)
(declare (ignore initargs))
(find-class 'view-class-effective-slot-definition))
+#+openmcl
+(when (not (symbol-function 'compute-class-precedence-list))
+ (eval
+ (defun compute-class-precedence-list (class)
+ (class-precedence-list class))))
+
+#-mop-slot-order-reversed
+(defmethod compute-slots ((class standard-db-class))
+ "Need to sort order of class slots so they are the same across
+implementations."
+ (let ((slots (call-next-method))
+ desired-sequence
+ output-slots)
+ (dolist (c (compute-class-precedence-list class))
+ (dolist (s (class-direct-slots c))
+ (let ((name (slot-definition-name s)))
+ (unless (find name desired-sequence)
+ (push name desired-sequence)))))
+ (dolist (desired desired-sequence)
+ (let ((slot (find desired slots :key #'slot-definition-name)))
+ (assert slot)
+ (push slot output-slots)))
+ output-slots))
+
+(defun compute-lisp-type-from-specified-type (specified-type db-constraints)
+ "Computes the Lisp type for a user-specified type."
+ (let ((type
+ (cond
+ ((consp specified-type)
+ (let* ((first (first specified-type))
+ (name (etypecase first
+ (symbol (symbol-name first))
+ (string first))))
+ (cond
+ ((or (string-equal name "string")
+ (string-equal name "varchar")
+ (string-equal name "char"))
+ 'string)
+ (t
+ specified-type))))
+ ((eq (ensure-keyword specified-type) :bigint)
+ 'integer)
+ ((eq (ensure-keyword specified-type) :char)
+ 'character)
+ ((eq (ensure-keyword specified-type) :varchar)
+ 'string)
+ (t
+ specified-type))))
+ (if (and type (not (member :not-null (listify db-constraints))))
+ `(or null ,type)
+ (or type t))))
+
;; Compute the slot definition for slots in a view-class. Figures out
;; what kind of database value (if any) is stored there, generates and
;; verifies the column name.
+(declaim (inline delistify))
+(defun delistify (list)
+ "Some MOPs, like openmcl 0.14.2, cons attribute values in a list."
+ (if (listp list)
+ (car list)
+ list))
+
+(declaim (inline delistify-dsd))
+;; there is an :after method below too
+(defmethod initialize-instance :around
+ ((obj view-class-direct-slot-definition)
+ &rest initargs &key db-constraints db-kind type &allow-other-keys)
+ (when (and (not db-kind) (member :primary-key (listify db-constraints)))
+ (warn "Slot ~S constrained to be :primary-key, but not marked as :db-kind :key"
+ (slot-definition-name obj)))
+ (apply #'call-next-method obj
+ 'specified-type type
+ :type (if (and (eql db-kind :virtual) (null type))
+ t
+ (compute-lisp-type-from-specified-type
+ type db-constraints))
+ initargs))
+
+(defun compute-column-name (arg)
+ (database-identifier arg nil))
+
+(defun %convert-db-info-to-hash (slot-def)
+ ;; I wonder if this slot option and the previous could be merged,
+ ;; so that :base and :key remain keyword options, but :db-kind
+ ;; :join becomes :db-kind (:join <db info .... >)?
+ (setf (slot-value slot-def 'db-info)
+ (when (slot-boundp slot-def 'db-info)
+ (let ((info (view-class-slot-db-info slot-def)))
+ (etypecase info
+ (hash-table info)
+ (atom info)
+ (list
+ (cond ((and (> (length info) 1)
+ (atom (car info)))
+ (parse-db-info info))
+ ((and (= 1 (length info))
+ (listp (car info)))
+ (parse-db-info (car info)))
+ (t info))))))))
+
+(defmethod initialize-instance :after
+ ((obj view-class-direct-slot-definition)
+ &key &allow-other-keys)
+ (setf (view-class-slot-column obj) (compute-column-name obj)
+ (view-class-slot-autoincrement-sequence obj)
+ (dequote
+ (view-class-slot-autoincrement-sequence obj)))
+ (%convert-db-info-to-hash obj))
+
(defmethod compute-effective-slot-definition ((class standard-db-class)
- #+kmr-normal-cesd slot-name
- direct-slots)
+ #+kmr-normal-cesd slot-name
+ direct-slots)
#+kmr-normal-cesd (declare (ignore slot-name))
- (let ((slotd (call-next-method))
- (sd (car direct-slots)))
-
- (typecase sd
- (view-class-slot-definition-mixin
- ;; Use the specified :column argument if it is supplied, otherwise
- ;; the column slot is filled in with the slot-name, but transformed
- ;; to be sql safe, - to _ and such.
- (setf (slot-value slotd 'column)
- (column-name-from-arg
- (if (slot-boundp sd 'column)
- (view-class-slot-column sd)
- (column-name-from-arg
- (sql-escape (slot-definition-name sd))))))
-
- (setf (slot-value slotd 'db-type)
- (when (slot-boundp sd 'db-type)
- (view-class-slot-db-type sd)))
-
-
- (setf (slot-value slotd 'nulls-ok)
- (view-class-slot-nulls-ok sd))
-
- ;; :db-kind slot value defaults to :base (store slot value in
- ;; database)
-
- (setf (slot-value slotd 'db-kind)
- (if (slot-boundp sd 'db-kind)
- (view-class-slot-db-kind sd)
- :base))
-
- (setf (slot-value slotd 'db-writer)
- (when (slot-boundp sd 'db-writer)
- (view-class-slot-db-writer sd)))
- (setf (slot-value slotd 'db-constraints)
- (when (slot-boundp sd 'db-constraints)
- (view-class-slot-db-constraints sd)))
-
-
- ;; I wonder if this slot option and the previous could be merged,
- ;; so that :base and :key remain keyword options, but :db-kind
- ;; :join becomes :db-kind (:join <db info .... >)?
-
- (setf (slot-value slotd 'db-info)
- (when (slot-boundp sd 'db-info)
- (if (listp (view-class-slot-db-info sd))
- (parse-db-info (view-class-slot-db-info sd))
- (view-class-slot-db-info sd)))))
- ;; all other slots
- (t
- (change-class slotd 'view-class-effective-slot-definition
- #+allegro :name
- #+allegro (slot-definition-name sd))
- (setf (slot-value slotd 'column)
- (column-name-from-arg
- (sql-escape (slot-definition-name sd))))
-
- (setf (slot-value slotd 'db-info) nil)
- (setf (slot-value slotd 'db-kind)
- :virtual)))
- slotd))
+
+ ;; KMR: store the user-specified type and then compute
+ ;; real Lisp type and store it
+ (let ((dsd (car direct-slots)))
+ (let ((esd (call-next-method)))
+ (typecase dsd
+ (view-class-slot-definition-mixin
+ (setf (slot-value esd 'column) (compute-column-name dsd))
+
+ (macrolet
+ ((safe-copy-value (name &optional default)
+ (let ((fn (intern (format nil "~A~A" 'view-class-slot- name ))))
+ `(setf (slot-value esd ',name)
+ (or (when (slot-boundp dsd ',name)
+ (delistify-dsd (,fn dsd)))
+ ,default)))))
+ (safe-copy-value autoincrement-sequence)
+ (safe-copy-value db-type)
+ (safe-copy-value void-value)
+ (safe-copy-value db-reader)
+ (safe-copy-value db-writer)
+ ;; :db-kind slot value defaults to :base (store slot value in
+ ;; database)
+ (safe-copy-value db-kind :base)
+ (safe-copy-value db-constraints)
+ (safe-copy-value db-info)
+ (%convert-db-info-to-hash esd))
+
+ (setf (specified-type esd)
+ (delistify-dsd (specified-type dsd)))
+ ;; In older SBCL's the type-check-function is computed at
+ ;; defclass expansion, which is too early for the CLSQL type
+ ;; conversion to take place. This gets rid of it. It's ugly
+ ;; but it's better than nothing -wcp10/4/10.
+ #+(and sbcl #.(cl:if (cl:and (cl:find-package :sb-pcl)
+ (cl:find-symbol "%TYPE-CHECK-FUNCTION" :sb-pcl))
+ '(cl:and) '(cl:or)))
+ (setf (slot-value esd 'sb-pcl::%type-check-function) nil)
+
+ )
+ ;; all other slots
+ (t
+ (unless (typep esd 'view-class-effective-slot-definition)
+ (warn "Non view-class-direct-slot object with non-view-class-effective-slot-definition in compute-effective-slot-definition")
+
+ (let ((type-predicate #+openmcl (slot-value esd 'ccl::type-predicate)))
+ #-openmcl (declare (ignore type-predicate))
+ #-(or clisp sbcl) (change-class esd 'view-class-effective-slot-definition
+ #+allegro :name
+ #+allegro (slot-definition-name dsd))
+ #+openmcl (setf (slot-value esd 'ccl::type-predicate)
+ type-predicate)))
+
+ ;; has no column name if it is not a database column
+ (setf (slot-value esd 'column) nil)
+ (setf (slot-value esd 'db-info) nil)
+ (setf (slot-value esd 'db-kind) :virtual)
+ (setf (specified-type esd) (slot-definition-type dsd)))
+ )
+ esd)))
(defun slotdefs-for-slots-with-class (slots class)
(let ((result nil))
(dolist (s slots)
(let ((c (slotdef-for-slot-with-class s class)))
- (if c (setf result (cons c result)))))
+ (if c (setf result (cons c result)))))
result))
(defun slotdef-for-slot-with-class (slot class)
- (find-if #'(lambda (d) (eql slot (slot-definition-name d)))
- (class-slots class)))
+ (typecase slot
+ (standard-slot-definition slot)
+ (symbol (find-slot-by-name class slot))))
#+ignore
(eval-when (:compile-toplevel :load-toplevel :execute)
#+kmr-normal-esdc
(setq cl:*features* (delete :kmr-normal-esdc cl:*features*))
)
+
+(defmethod database-identifier ( (name standard-db-class)
+ &optional database find-class-p)
+ "the majority of this function is in expressions.lisp
+ this is here to make loading be less painful (try-recompiles) in SBCL"
+ (declare (ignore find-class-p))
+ (database-identifier (view-table name) database))
+
+(defmethod database-identifier ((name view-class-slot-definition-mixin)
+ &optional database find-class-p)
+ (declare (ignore find-class-p))
+ (database-identifier
+ (if (slot-boundp name 'column)
+ (delistify-dsd (view-class-slot-column name))
+ (slot-definition-name name))
+ database))
+
+(defun find-standard-db-class (name &aux cls)
+ (and (setf cls (ignore-errors (find-class name)))
+ (typep cls 'standard-db-class)
+ cls))
+
+(defun slots-for-possibly-normalized-class (class)
+ "Get the slots for this class, if normalized this is only the direct slots
+ otherwiese its all the slots"
+ (if (normalizedp class)
+ (ordered-class-direct-slots class)
+ (ordered-class-slots class)))
+
+
+(defun key-slot-p (slot-def)
+ "takes a slot def and returns whether or not it is a key"
+ (eql :key (view-class-slot-db-kind slot-def)))
+
+(defun join-slot-p (slot-def)
+ "takes a slot def and returns whether or not it is a join slot"
+ (eql :join (view-class-slot-db-kind slot-def)))
+
+(defun join-slot-info-value (slot-def key)
+ "Get the join-slot db-info value associated with a key"
+ (when (join-slot-p slot-def)
+ (let ((dbi (view-class-slot-db-info slot-def)))
+ (when dbi (gethash key dbi)))))
+
+(defun join-slot-retrieval-method (slot-def)
+ "if this is a join slot return the retrieval param in the db-info"
+ (join-slot-info-value slot-def :retrieval))
+
+(defun join-slot-class-name (slot-def)
+ "get the join class name for a given join slot"
+ (join-slot-info-value slot-def :join-class))
+
+(defun join-slot-class (slot-def)
+ "Get the join class for a given join slot"
+ (let ((c (join-slot-class-name slot-def)))
+ (when c (find-class c))))
+
+(defun key-or-base-slot-p (slot-def)
+ "takes a slot def and returns whether or not it is a key"
+ (member (view-class-slot-db-kind slot-def) '(:key :base)))
+
+(defun direct-normalized-slot-p (class slot-name)
+ "Is this a normalized class and if so is the slot one of our direct slots?"
+ (setf slot-name (to-slot-name slot-name))
+ (and (typep class 'standard-db-class)
+ (normalizedp class)
+ (member slot-name (ordered-class-direct-slots class)
+ :key #'slot-definition-name)))
+
+(defun not-direct-normalized-slot-p (class slot-name)
+ "Is this a normalized class and if so is the slot not one of our direct slots?"
+ (setf slot-name (to-slot-name slot-name))
+ (and (typep class 'standard-db-class)
+ (normalizedp class)
+ (not (member slot-name (ordered-class-direct-slots class)
+ :key #'slot-definition-name))))
+
+(defun slot-has-default-p (slot)
+ "returns nil if the slot does not have a default constraint"
+ (let* ((constraints
+ (when (typep slot '(or view-class-direct-slot-definition
+ view-class-effective-slot-definition))
+ (listify (view-class-slot-db-constraints slot)))))
+ (member :default constraints)))
+
projects / clsql.git / blobdiff