;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
-;;;; Name: loop-extension.lisp
-;;;; 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
;;;;
;;;; $Id$
-;;;;
-;;;; The functions in this file were orignally distributed in the
-;;;; MaiSQL package in the file sql/sql.cl
;;;; *************************************************************************
(in-package #:cl-user)
-;;;; MIT-LOOP extension
-
#+(or allegro sbcl)
(eval-when (:compile-toplevel :load-toplevel :execute)
(defpackage #:ansi-loop
(ansi-loop::loop-error "Missing OF or IN iteration path."))
(unless from-phrase
(setq from-phrase '(clsql-base:*default-database*)))
+
+ (unless (consp variable)
+ (setq variable (list variable)))
+
(cond
+ ;; 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-)))
+ `(((,variable nil ,@(and data-type (list data-type)))
+ (,result-var (clsql-base:query ,(first in-phrase)))
+ (,step-var nil))
+ ()
+ ()
+ ()
+ (if (null ,result-var)
+ t
+ (progn
+ (setq ,step-var (first ,result-var))
+ (setq ,result-var (rest ,result-var))
+ nil))
+ (,variable ,step-var)
+ (null ,result-var)
+ ()
+ (if (null ,result-var)
+ t
+ (progn
+ (setq ,step-var (first ,result-var))
+ (setq ,result-var (rest ,result-var))
+ nil))
+ (,variable ,step-var))))
+
((consp variable)
(let ((query-var (ansi-loop::loop-gentemp 'loop-record-))
(db-var (ansi-loop::loop-gentemp 'loop-record-database-))
(,result-set-var nil)
(,step-var nil))
((multiple-value-bind (%rs %cols)
- (clsql-base:database-query-result-set ,query-var ,db-var)
+ (clsql-base:database-query-result-set ,query-var ,db-var :result-types :auto)
(setq ,result-set-var %rs ,step-var (make-list %cols))))
()
()
(not ,result-set-var)
()
(not (clsql-base:database-store-next-row ,result-set-var ,db-var ,step-var))
- (,variable ,step-var))))
- (t
- (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-)))
- (push `(when ,result-set-var
- (clsql-base:database-dump-result-set ,result-set-var ,db-var))
- ansi-loop::*loop-epilogue*)
- `(((,variable nil ,@(and data-type (list data-type)))
- (,query-var ,(first in-phrase))
- (,db-var ,(first from-phrase))
- (,result-set-var nil))
- ((multiple-value-bind (%rs %cols)
- (clsql-base:database-query-result-set ,query-var ,db-var)
- (setq ,result-set-var %rs ,variable (make-list %cols))))
- ()
- ()
- (not (clsql-base:database-store-next-row ,result-set-var ,db-var ,variable))
- ()
- (not ,result-set-var)
- ()
- (not (clsql-base:database-store-next-row ,result-set-var ,db-var ,variable))
- ()))))))
+ (,variable ,step-var)))))))
#+(or cmu scl sbcl openmcl allegro)
(ansi-loop::add-loop-path '(record records tuple tuples)
(error "Missing OF or IN iteration path."))
(unless from-phrase
(setq from-phrase '(clsql-base:*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-base: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 nil)
(,step-var nil))
`((multiple-value-bind (%rs %cols)
- (clsql-base:database-query-result-set ,query-var ,db-var)
+ (clsql-base:database-query-result-set ,query-var ,db-var :result-types :auto)
(setq ,result-set-var %rs ,step-var (make-list %cols))))
()
()
t))
`(,iter-var ,step-var)
()
- ())))
- (t
- (let ((query-var (gensym "LOOP-RECORD-"))
- (db-var (gensym "LOOP-RECORD-DATABASE-"))
- (result-set-var (gensym "LOOP-RECORD-RESULT-SET-")))
- (values
- t
- nil
- `((,iter-var nil ,iter-var-data-type) (,query-var ,in-phrase)
- (,db-var ,(first from-phrase))
- (,result-set-var nil))
- `((multiple-value-bind (%rs %cols)
- (clsql-base:database-query-result-set ,query-var ,db-var)
- (setq ,result-set-var %rs ,iter-var (make-list %cols))))
- ()
- ()
- `((unless (clsql-base:database-store-next-row ,result-set-var ,db-var ,iter-var)
- (when ,result-set-var
- (clsql-base:database-dump-result-set ,result-set-var ,db-var))
- t))
- ()
- `((unless (clsql-base:database-store-next-row ,result-set-var ,db-var ,iter-var)
- (when ,result-set-var
- (clsql-base:database-dump-result-set ,result-set-var ,db-var))
- t))
- ()
- ()
()))))))
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