;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
-;;;; Name: loop-extension.cl
-;;;; Purpose: Extensions to the Loop macro for CMUCL
-;;;; Programmer: Pierre R. Mai
+;;;; Name: loop-extension.lisp
+;;;; Purpose: Extensions to the Loop macro for CLSQL
;;;;
-;;;; Copyright (c) 1999-2001 Pierre R. Mai
+;;;; Copyright (c) 2001-2004 Kevin Rosenberg and (c) 1999-2001 Pierre R. Mai
;;;;
-;;;; $Id: loop-extension.lisp,v 1.2 2002/10/21 07:45:50 kevin Exp $
-;;;;
-;;;; The functions in this file were orignally distributed in the
-;;;; MaiSQL package in the file sql/sql.cl
+;;;; $Id$
;;;; *************************************************************************
-(in-package :cl-user)
+(in-package #:cl-user)
+
+#+(or allegro sbcl)
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defpackage #:ansi-loop
+ (:import-from #+sbcl #:sb-loop #+allegro #:excl
+ #:*loop-epilogue*
+ #:*loop-ansi-universe*
+ #:add-loop-path)))
-;;;; MIT-LOOP extension
+#+(or allegro sbcl)
+(defun ansi-loop::loop-gentemp (&optional (pref 'loopva-))
+ (gensym (string pref)))
-#+(or cmu scl)
+#+(or cmu scl sbcl openmcl allegro)
(defun loop-record-iteration-path (variable data-type prep-phrases)
(let ((in-phrase nil)
(from-phrase nil))
(case prep
((:in :of)
(when in-phrase
- (ansi-loop::loop-error
- "Duplicate OF or IN iteration path: ~S." (cons prep rest)))
+ (error 'clsql:sql-user-error
+ :message
+ (format nil
+ "Duplicate OF or IN iteration path: ~S."
+ (cons prep rest))))
(setq in-phrase rest))
((:from)
(when from-phrase
- (ansi-loop::loop-error
- "Duplicate FROM iteration path: ~S." (cons prep rest)))
+ (error 'clsql:sql-user-error
+ :message
+ (format nil
+ "Duplicate FROM iteration path: ~S."
+ (cons prep rest))))
(setq from-phrase rest))
(t
- (ansi-loop::loop-error
- "Unknown preposition: ~S." prep))))
+ (error 'clsql:sql-user-error
+ :message
+ (format nil"Unknown preposition: ~S." prep)))))
(unless in-phrase
- (ansi-loop::loop-error "Missing OF or IN iteration path."))
+ (error 'clsql:sql-user-error
+ :message "Missing OF or IN iteration path."))
(unless from-phrase
- (setq from-phrase '(*default-database*)))
+ (setq from-phrase '(clsql-sys:*default-database*)))
+
+ (unless (consp variable)
+ (setq variable (list variable)))
+
(cond
- ((consp variable)
- (let ((query-var (ansi-loop::loop-gentemp 'loop-record-))
- (db-var (ansi-loop::loop-gentemp 'loop-record-database-))
- (result-set-var (ansi-loop::loop-gentemp
- 'loop-record-result-set-))
+ ;; object query
+ ((and (consp (first in-phrase))
+ (string-equal "sql-query" (symbol-name (caar in-phrase)))
+ (consp (second (first in-phrase)))
+ (eq 'quote (first (second (first in-phrase))))
+ (symbolp (second (second (first in-phrase)))))
+
+ (let ((result-var (ansi-loop::loop-gentemp
+ 'loop-record-result-))
(step-var (ansi-loop::loop-gentemp 'loop-record-step-)))
- (push `(when ,result-set-var
- (database-dump-result-set ,result-set-var ,db-var))
- ansi-loop::*loop-epilogue*)
- `(((,variable nil ,data-type) (,query-var ,(first in-phrase))
- (,db-var ,(first from-phrase))
- (,result-set-var nil)
+ `(((,variable nil ,@(and data-type (list data-type)))
+ (,result-var (clsql-sys:query ,(first in-phrase)))
(,step-var nil))
- ((multiple-value-bind (%rs %cols)
- (database-query-result-set ,query-var ,db-var)
- (setq ,result-set-var %rs ,step-var (make-list %cols))))
()
()
- (not (database-store-next-row ,result-set-var ,db-var ,step-var))
+ ()
+ (if (null ,result-var)
+ t
+ (progn
+ (setq ,step-var (first ,result-var))
+ (setq ,result-var (rest ,result-var))
+ nil))
(,variable ,step-var)
- (not ,result-set-var)
+ (null ,result-var)
()
- (not (database-store-next-row ,result-set-var ,db-var ,step-var))
+ (if (null ,result-var)
+ t
+ (progn
+ (setq ,step-var (first ,result-var))
+ (setq ,result-var (rest ,result-var))
+ nil))
(,variable ,step-var))))
- (t
+
+ ((consp variable)
(let ((query-var (ansi-loop::loop-gentemp 'loop-record-))
(db-var (ansi-loop::loop-gentemp 'loop-record-database-))
(result-set-var (ansi-loop::loop-gentemp
- 'loop-record-result-set-)))
+ 'loop-record-result-set-))
+ (step-var (ansi-loop::loop-gentemp 'loop-record-step-)))
(push `(when ,result-set-var
- (database-dump-result-set ,result-set-var ,db-var))
+ (clsql-sys:database-dump-result-set ,result-set-var ,db-var))
ansi-loop::*loop-epilogue*)
- `(((,variable nil ,data-type) (,query-var ,(first in-phrase))
+ `(((,variable nil ,@(and data-type (list data-type)))
+ (,query-var ,(first in-phrase))
(,db-var ,(first from-phrase))
- (,result-set-var nil))
+ (,result-set-var nil)
+ (,step-var nil))
((multiple-value-bind (%rs %cols)
- (database-query-result-set ,query-var ,db-var)
- (setq ,result-set-var %rs ,variable (make-list %cols))))
- ()
+ (clsql-sys:database-query-result-set ,query-var ,db-var :result-types :auto)
+ (setq ,result-set-var %rs ,step-var (make-list %cols))))
()
- (not (database-store-next-row ,result-set-var ,db-var ,variable))
()
+ (not (clsql-sys:database-store-next-row ,result-set-var ,db-var ,step-var))
+ (,variable ,step-var)
(not ,result-set-var)
()
- (not (database-store-next-row ,result-set-var ,db-var ,variable))
- ()))))))
+ (not (clsql-sys:database-store-next-row ,result-set-var ,db-var ,step-var))
+ (,variable ,step-var)))))))
-#+(or cmu scl)
+#+(or cmu scl sbcl openmcl allegro)
(ansi-loop::add-loop-path '(record records tuple tuples)
'loop-record-iteration-path
ansi-loop::*loop-ansi-universe*
:preposition-groups '((:of :in) (:from))
:inclusive-permitted nil)
+
+#+lispworks
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (in-package loop))
+
+#+lispworks
+(cl-user::define-loop-method (record records tuple tuples) clsql-loop-method
+ (in of from))
+
+#+lispworks
+(defun clsql-loop-method (method-name iter-var iter-var-data-type
+ prep-phrases inclusive? allowed-preps
+ method-specific-data)
+ (declare (ignore method-name inclusive? allowed-preps method-specific-data))
+ (let ((in-phrase nil)
+ (from-phrase nil))
+ (loop for (prep . rest) in prep-phrases
+ do
+ (cond
+ ((or (eq prep 'in) (eq prep 'of))
+ (when in-phrase
+ (error 'clsql:sql-user-error
+ :message
+ (format nil "Duplicate OF or IN iteration path: ~S."
+ (cons prep rest))))
+ (setq in-phrase rest))
+ ((eq prep 'from)
+ (when from-phrase
+ (error 'clsql:sql-user-error
+ :message
+ (format nil "Duplicate FROM iteration path: ~S."
+ (cons prep rest))))
+ (setq from-phrase rest))
+ (t
+ (error 'clsql:sql-user-error
+ :message (format nil "Unknown preposition: ~S." prep)))))
+ (unless in-phrase
+ (error 'clsql:sql-user-error
+ :message "Missing OF or IN iteration path."))
+ (unless from-phrase
+ (setq from-phrase '(clsql:*default-database*)))
+
+ (unless (consp iter-var)
+ (setq iter-var (list iter-var)))
+
+ (cond
+ ;; object query
+ ((and (consp in-phrase)
+ (string-equal "sql-query" (symbol-name (car in-phrase)))
+ (consp (second in-phrase))
+ (eq 'quote (first (second in-phrase)))
+ (symbolp (second (second in-phrase))))
+
+ (let ((result-var (gensym "LOOP-RECORD-RESULT-"))
+ (step-var (gensym "LOOP-RECORD-STEP-")))
+ (values
+ t
+ nil
+ `(,@(mapcar (lambda (v) `(,v nil)) iter-var)
+ (,result-var (clsql:query ,in-phrase))
+ (,step-var nil))
+ ()
+ ()
+ ()
+ `((if (null ,result-var)
+ t
+ (progn
+ (setq ,step-var (first ,result-var))
+ (setq ,result-var (rest ,result-var))
+ nil)))
+ `(,iter-var ,step-var)
+ `((if (null ,result-var)
+ t
+ (progn
+ (setq ,step-var (first ,result-var))
+ (setq ,result-var (rest ,result-var))
+ nil)))
+ `(,iter-var ,step-var)
+ ()
+ ()
+ )))
+
+ ((consp iter-var)
+ (let ((query-var (gensym "LOOP-RECORD-"))
+ (db-var (gensym "LOOP-RECORD-DATABASE-"))
+ (result-set-var (gensym "LOOP-RECORD-RESULT-SET-"))
+ (step-var (gensym "LOOP-RECORD-STEP-")))
+ (values
+ t
+ nil
+ `(,@(mapcar (lambda (v) `(,v nil)) iter-var)
+ (,query-var ,in-phrase)
+ (,db-var ,(first from-phrase))
+ (,result-set-var nil)
+ (,step-var nil))
+ `((multiple-value-bind (%rs %cols)
+ (clsql-sys:database-query-result-set ,query-var ,db-var :result-types :auto)
+ (setq ,result-set-var %rs ,step-var (make-list %cols))))
+ ()
+ ()
+ `((unless (clsql-sys:database-store-next-row ,result-set-var ,db-var ,step-var)
+ (when ,result-set-var
+ (clsql-sys:database-dump-result-set ,result-set-var ,db-var))
+ t))
+ `(,iter-var ,step-var)
+ `((unless (clsql-sys:database-store-next-row ,result-set-var ,db-var ,step-var)
+ (when ,result-set-var
+ (clsql-sys:database-dump-result-set ,result-set-var ,db-var))
+ t))
+ `(,iter-var ,step-var)
+ ()
+ ()))))))
+
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