;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
-(in-package #:clsql)
+(in-package #:clsql-sys)
(defvar +empty-string+ "''")
(convert-to-db-default-case (symbol-name type) database)))
(format *sql-stream* "~@[~A.~]~A"
(when qualifier
- (convert-to-db-default-case (sql-escape qualifier) database))
+ (typecase qualifier
+ (string (format nil "~s" qualifier))
+ (t (convert-to-db-default-case (sql-escape qualifier)
+ database))))
(sql-escape (convert-to-db-default-case name database))))
t))
(let ((subs (if (consp (car sub-expressions))
(car sub-expressions)
sub-expressions)))
+ (when (= (length subs) 1)
+ (output-sql operator database)
+ (write-char #\Space *sql-stream*))
(do ((sub subs (cdr sub)))
((null (cdr sub)) (output-sql (car sub) database))
(output-sql (car sub) database)
(defmethod output-sql ((query sql-query) database)
(with-slots (distinct selections from where group-by having order-by
- order-by-descending limit offset inner-join on)
+ order-by-descending limit offset inner-join on
+ all set-operation)
query
(when *in-subselect*
(write-string "(" *sql-stream*))
(write-string "SELECT " *sql-stream*)
- (when distinct
+ (when all
+ (write-string "ALL " *sql-stream*))
+ (when (and distinct (not all))
(write-string "DISTINCT " *sql-stream*)
(unless (eql t distinct)
(write-string "ON " *sql-stream*)
(output-sql (apply #'vector selections) database)
(when from
(write-string " FROM " *sql-stream*)
- (if (listp from)
- (output-sql (apply #'vector from) database)
- (output-sql from database)))
+ (typecase from
+ (list (output-sql (apply #'vector from) database))
+ (string (write-string
+ (sql-escape
+ (convert-to-db-default-case from database)) *sql-stream*))
+ (t (output-sql from database))))
(when inner-join
(write-string " INNER JOIN " *sql-stream*)
(output-sql inner-join database))
(if (listp order-by)
(do ((order order-by (cdr order)))
((null order))
- (output-sql (car order) database)
- (when (cdr order)
- (write-char #\, *sql-stream*)))
+ (let ((item (car order)))
+ (typecase item
+ (cons
+ (output-sql (car item) database)
+ (format *sql-stream* " ~A" (cadr item)))
+ (t
+ (output-sql item database)))
+ (when (cdr order)
+ (write-char #\, *sql-stream*))))
(output-sql order-by database)))
(when order-by-descending
(write-string " ORDER BY " *sql-stream*)
(write-string " OFFSET " *sql-stream*)
(output-sql offset database))
(when *in-subselect*
- (write-string ")" *sql-stream*)))
+ (write-string ")" *sql-stream*))
+ (when set-operation
+ (write-char #\Space *sql-stream*)
+ (output-sql set-operation database)))
t)
(defmethod output-sql ((query sql-object-query) database)
+ (declare (ignore database))
(with-slots (objects)
query
(when objects