;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
;;;; *************************************************************************
;;;;
-;;;; $Id$
-;;;;
;;;; The CLSQL Object Oriented Data Definitional Language (OODDL)
;;;;
;;;; This file is part of CLSQL.
(defvar *db-initializing* nil)
(defmethod slot-value-using-class ((class standard-db-class) instance slot-def)
+ "When a slot is unbound but should contain a join object or a value from a
+ normalized view-class, then retrieve and set those slots, so the value can
+ be returned"
(declare (optimize (speed 3)))
(unless *db-deserializing*
(let* ((slot-name (%svuc-slot-name slot-def))
- (slot-object (%svuc-slot-object slot-def class))
- (slot-kind (view-class-slot-db-kind slot-object)))
- (if (and (eql slot-kind :join)
- (not (slot-boundp instance slot-name)))
- (let ((*db-deserializing* t))
- (if (view-database instance)
- (setf (slot-value instance slot-name)
- (fault-join-slot class instance slot-object))
- (setf (slot-value instance slot-name) nil)))
- (when (and (normalisedp class)
- (not (member slot-name
- (mapcar #'(lambda (esd) (slot-definition-name esd))
- (ordered-class-direct-slots class))))
- (not (slot-boundp instance slot-name)))
- (let ((*db-deserializing* t))
- (if (view-database instance)
- (setf (slot-value instance slot-name)
- (fault-join-normalised-slot class instance slot-object))
- (setf (slot-value instance slot-name) nil)))))))
+ (slot-object (%svuc-slot-object slot-def class)))
+ (unless (slot-boundp instance slot-name)
+ (let ((*db-deserializing* t))
+ (cond
+ ((join-slot-p slot-def)
+ (setf (slot-value instance slot-name)
+ (if (view-database instance)
+ (fault-join-slot class instance slot-object)
+ ;; TODO: you could in theory get a join object even if
+ ;; its joined-to object was not in the database
+ nil
+ )))
+ ((not-direct-normalized-slot-p class slot-def)
+ (if (view-database instance)
+ (update-fault-join-normalized-slot class instance slot-def)
+ (setf (slot-value instance slot-name) nil))))))))
(call-next-method))
(defmethod (setf slot-value-using-class) (new-value (class standard-db-class)
instance slot-def)
+ "Handle auto syncing values to the database if *db-auto-sync* is t"
(declare (ignore new-value))
(let* ((slot-name (%svuc-slot-name slot-def))
(slot-object (%svuc-slot-object slot-def class))
(if tclass
(let ((*default-database* database)
(pclass (car (class-direct-superclasses tclass))))
- (when (and (normalisedp tclass) (not (table-exists-p (view-table pclass))))
+ (when (and (normalizedp tclass) (not (table-exists-p pclass)))
(create-view-from-class (class-name pclass)
:database database :transactions transactions))
(%install-class tclass database :transactions transactions))
(error "Class ~s not found." view-class-name)))
(values))
+(defmethod auto-increment-column-p (slotdef &optional (database clsql-sys:*default-database*))
+ (declare (ignore database))
+ (or (member :auto-increment (listify (view-class-slot-db-constraints slotdef)))
+ (slot-value slotdef 'autoincrement-sequence)))
(defmethod %install-class ((self standard-db-class) database
&key (transactions t))
(let ((schemadef '())
- (ordered-slots (if (normalisedp self)
- (ordered-class-direct-slots self)
- (ordered-class-slots self))))
+ (ordered-slots (slots-for-possibly-normalized-class self)))
(dolist (slotdef ordered-slots)
- (let ((res (database-generate-column-definition (class-name self)
- slotdef database)))
+ (let ((res (database-generate-column-definition self slotdef database)))
(when res
(push res schemadef))))
(if (not schemadef)
- (unless (normalisedp self)
+ (unless (normalizedp self)
(error "Class ~s has no :base slots" self))
(progn
- (create-table (sql-expression :table (view-table self)) (nreverse schemadef)
+ (database-add-autoincrement-sequence self database)
+ (create-table (sql-expression :table (database-identifier self database))
+ (nreverse schemadef)
:database database
:transactions transactions
:constraints (database-pkey-constraint self database))
t)
(defmethod database-pkey-constraint ((class standard-db-class) database)
- (let ((keylist (mapcar #'view-class-slot-column (keyslots-for-class class)))
- (table (view-table class)))
+ ;; Keylist will always be a list of escaped-indentifier
+ (let ((keylist (mapcar #'(lambda (x) (escaped-database-identifier x database))
+ (keyslots-for-class class)))
+ (table (escaped (combine-database-identifiers
+ (list class 'PK)
+ database))))
(when keylist
- (etypecase table
- (string
- (format nil "CONSTRAINT \"~APK\" PRIMARY KEY~A" table
- (sql-output keylist database)))
- ((or symbol sql-ident)
- (format nil "CONSTRAINT ~APK PRIMARY KEY~A" table
- (sql-output keylist database)))))))
+ (format nil "CONSTRAINT ~A PRIMARY KEY (~{~A~^,~})" table
+ keylist))))
(defmethod database-generate-column-definition (class slotdef database)
- (declare (ignore database class))
- (when (member (view-class-slot-db-kind slotdef) '(:base :key))
+ (declare (ignore class))
+ (when (key-or-base-slot-p slotdef)
(let ((cdef
- (list (sql-expression :attribute (view-class-slot-column slotdef))
+ (list (sql-expression :attribute (database-identifier slotdef database))
(specified-type slotdef))))
(setf cdef (append cdef (list (view-class-slot-db-type slotdef))))
(let ((const (view-class-slot-db-constraints slotdef)))
(defun %uninstall-class (self &key
(database *default-database*)
(owner nil))
- (drop-table (sql-expression :table (view-table self))
+ (drop-table (sql-expression :table (database-identifier self database))
:if-does-not-exist :ignore
:database database
:owner owner)
+ (database-remove-autoincrement-sequence self database)
(setf (database-view-classes database)
(remove self (database-view-classes database))))
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