(in-package #:clsql-sys)
-;; This method generates primary key constraints part of the table
-;; definition. For Sqlite autoincrement primary keys to work properly
-;; this part of the table definition must be left out.
-(defmethod database-pkey-constraint ((class standard-db-class)
- (database clsql-sqlite3:sqlite3-database)))
-(defmethod database-translate-constraint (constraint
- (database clsql-sqlite3:sqlite3-database))
- ;; Primary purpose of this is method is to intecept and translate
- ;; auto-increment primary keys constraints.
- (let ((constraint-name (symbol-name constraint)))
- (if (eql constraint :auto-increment)
- (cons constraint "PRIMARY KEY AUTOINCREMENT")
- (call-next-method))))
+(defmethod database-pkey-constraint ((class standard-db-class)
+ (database clsql-sqlite3:sqlite3-database))
+ (let* ((keys (keyslots-for-class class))
+ (cons (when (= 1 (length keys))
+ (view-class-slot-db-constraints (first keys)))))
+ ;; This method generates primary key constraints part of the table
+ ;; definition. For Sqlite autoincrement primary keys to work properly
+ ;; this part of the table definition must be left out (IFF autoincrement) .
+ (when (or (null cons) ;; didnt have constraints to check
+ ;; didnt have auto-increment
+ (null (intersection
+ +auto-increment-names+
+ (listify cons))))
+ (call-next-method))))
-;; EOF
;;
;; Column constraint types and conversion to SQL
;;
-
-(defparameter *constraint-types*
- (list
- (cons (symbol-name-default-case "NOT-NULL") "NOT NULL")
- (cons (symbol-name-default-case "PRIMARY-KEY") "PRIMARY KEY")
- (cons (symbol-name-default-case "NOT") "NOT")
- (cons (symbol-name-default-case "NULL") "NULL")
- (cons (symbol-name-default-case "PRIMARY") "PRIMARY")
- (cons (symbol-name-default-case "KEY") "KEY")
- (cons (symbol-name-default-case "UNSIGNED") "UNSIGNED")
- (cons (symbol-name-default-case "ZEROFILL") "ZEROFILL")
- (cons (symbol-name-default-case "AUTO-INCREMENT") "AUTO_INCREMENT")
- (cons (symbol-name-default-case "AUTOINCREMENT") "AUTOINCREMENT")
- (cons (symbol-name-default-case "DEFAULT") "DEFAULT")
- (cons (symbol-name-default-case "UNIQUE") "UNIQUE")
- (cons (symbol-name-default-case "IDENTITY") "IDENTITY (1,1)") ;; added for sql-server support
- ))
-
(defmethod database-constraint-statement (constraint-list database)
(make-constraints-description constraint-list database))
+;; KEEP THIS SYNCED WITH database-translate-constraint
+(defparameter +auto-increment-names+
+ '(:auto-increment :auto_increment :autoincrement :identity))
+
(defmethod database-translate-constraint (constraint database)
- (assoc (symbol-name constraint)
- *constraint-types*
- :test #'equal))
-
-(defun make-constraints-description (constraint-list database)
- (if constraint-list
- (let ((string ""))
- (do ((constraint constraint-list (cdr constraint)))
- ((null constraint) string)
- (let ((output (database-translate-constraint (car constraint)
- database)))
- (if (null output)
- (error 'sql-user-error
- :message (format nil "unsupported column constraint '~A'"
- constraint))
- (setq string (concatenate 'string string (cdr output))))
- (when (equal (symbol-name (car constraint)) "DEFAULT")
- (setq constraint (cdr constraint))
- (setq string (concatenate 'string string " " (car constraint))))
- (if (< 1 (length constraint))
- (setq string (concatenate 'string string " "))))))))
+ (case constraint
+ (:not-null "NOT NULL")
+ (:primary-key "PRIMARY KEY")
+ ((:auto-increment :auto_increment :autoincrement :identity)
+ (ecase (database-underlying-type database)
+ (:mssql "IDENTITY (1,1)")
+ ((:sqlite :sqlite3) "PRIMARY KEY AUTOINCREMENT")
+ (:mysql "AUTO_INCREMENT")))
+ ;; everything else just get the name
+ (T (string-upcase (symbol-name constraint)))))
+
+(defun make-constraints-description (constraint-list database
+ &aux (rest constraint-list) constraint)
+ (when constraint-list
+ (flet ((next ()
+ (setf constraint (first rest)
+ rest (rest rest))
+ constraint))
+ (with-output-to-string (s)
+ (loop while (next)
+ do (unless (keywordp constraint)
+ (setf constraint (intern (symbol-name constraint) :keyword)))
+ (write-string (database-translate-constraint constraint database) s)
+ (when (eql :default constraint) (princ (next) s))
+ (write-char #\space s)
+ )))))
(defmethod database-identifier ( name &optional database find-class-p
&aux cls)