;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
;;;; *************************************************************************
;;;;
-;;;; $Id$
-;;;;
;;;; Classes defining SQL expressions and methods for formatting the
;;;; appropriate SQL commands.
;;;;
sql
`(make-instance 'sql-ident-table :name ',name :table-alias ',alias)))
+(defun special-char-p (s)
+ "Check if a string has any special characters"
+ (loop for char across s
+ thereis (find char '(#\space #\, #\. #\! #\@ #\# #\$ #\%
+ #\^ #\& #\* #\| #\( #\) #\- #\+))))
+
(defmethod output-sql ((expr sql-ident-table) database)
(with-slots (name alias) expr
- (etypecase name
- (string
- (format *sql-stream* "~s" (sql-escape name)))
- (symbol
- (write-string (sql-escape name) *sql-stream*)))
- (when alias
- (format *sql-stream* " ~s" alias)))
+ (flet ((p (s) ;; the etypecase is in sql-escape too
+ (let ((sym? (symbolp s))
+ (s (sql-escape s)))
+ (format *sql-stream*
+ (if (and sym? (not (special-char-p s)))
+ "~a" "~s")
+ s))))
+ (p name)
+ (when alias
+ (princ #\space *sql-stream*)
+ (p alias))))
t)
(defmethod output-sql-hash-key ((expr sql-ident-table) database)
(defmethod output-sql ((expr sql-query-modifier-exp) database)
(with-slots (modifier components)
expr
- (output-sql modifier database)
+ (%write-operator modifier database)
(write-string " " *sql-stream*)
(output-sql (car components) database)
(when components
(write-string "(" *sql-stream*))
(write-string "SELECT " *sql-stream*)
(when all
- (write-string "ALL " *sql-stream*))
+ (write-string " ALL " *sql-stream*))
(when (and distinct (not all))
- (write-string "DISTINCT " *sql-stream*)
+ (write-string " DISTINCT " *sql-stream*)
(unless (eql t distinct)
- (write-string "ON " *sql-stream*)
+ (write-string " ON " *sql-stream*)
(output-sql distinct database)
(write-char #\Space *sql-stream*)))
+ (when (and limit (eql :mssql (database-underlying-type database)))
+ (write-string " TOP " *sql-stream*)
+ (output-sql limit database)
+ (write-string " " *sql-stream*))
(let ((*in-subselect* t))
(output-sql (apply #'vector selections) database))
(when from
(when (cdr order)
(write-char #\, *sql-stream*))))
(output-sql order-by database)))
- (when limit
+ (when (and limit (not (eql :mssql (database-underlying-type database))))
(write-string " LIMIT " *sql-stream*)
(output-sql limit database))
(when offset
(declaim (inline listify))
(defun listify (x)
- (if (atom x)
- (list x)
- x))
+ (if (listp x)
+ x
+ (list x)))
(defmethod output-sql ((stmt sql-create-table) database)
(flet ((output-column (column-spec)
(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 "UNIQUE") "UNIQUE")))
+ (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)
(declare (ignore database))
: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 " "))))))))