From 6d643c3749b77b6e6207871f0cf40f135094f457 Mon Sep 17 00:00:00 2001
From: Russ Tyndall <russ@acceleration.net>
Date: Mon, 24 Aug 2009 16:57:54 -0400
Subject: [PATCH] Made identifiers specified as strings be treated as the
 canonical name of the column and emit them (double/ANSI) quoted. All other
 column names are emitted by coersion to string without ansi quoting

---
 sql/expressions.lisp | 39 ++++++++++++---------------------------
 sql/utils.lisp       |  7 +++----
 2 files changed, 15 insertions(+), 31 deletions(-)

diff --git a/sql/expressions.lisp b/sql/expressions.lisp
index 80fffc5..9157da0 100644
--- a/sql/expressions.lisp
+++ b/sql/expressions.lisp
@@ -148,33 +148,18 @@
       :type ',type)))
 
 (defmethod output-sql ((expr sql-ident-attribute) database)
-  (with-slots (qualifier name type) expr
-    (if (and (not qualifier) (not type))
-        (etypecase name
-          (string
-           (write-string name *sql-stream*))
-          (symbol
-           (write-string
-            (sql-escape (symbol-name name)) *sql-stream*)))
-
-        ;;; KMR: The TYPE field is used by CommonSQL for type conversion -- it
-      ;;; should not be output in SQL statements
-      #+ignore
-      (format *sql-stream* "~@[~A.~]~A~@[ ~A~]"
-              (when qualifier
-                (sql-escape qualifier))
-              (sql-escape name)
-              (when type
-                (symbol-name type)))
-      (format *sql-stream* "~@[~A.~]~A"
-              (when qualifier
-                (typecase qualifier
-                  (string (format nil "~s" qualifier))
-                  (t (format nil "~s" (sql-escape qualifier)))))
-              (typecase name
-                (string (format nil "~s" (sql-escape name)))
-                (t (format nil "~s" (sql-escape name))))))
-    t))
+;;; KMR: The TYPE field is used by CommonSQL for type conversion -- it
+;;; should not be output in SQL statements
+  (let ((*print-pretty* nil))
+    (with-slots (qualifier name type) expr
+      (format *sql-stream* "~@[~a.~]~a"
+	      (typecase qualifier
+		(string (format nil "~s" qualifier))
+		(symbol (safety-first (sql-escape qualifier))))
+	      (typecase name
+		(string (format nil "~s" name))
+		(symbol (safety-first (sql-escape name)))))
+      t)))
 
 (defmethod output-sql-hash-key ((expr sql-ident-attribute) database)
   (with-slots (qualifier name type)
diff --git a/sql/utils.lisp b/sql/utils.lisp
index e6176cb..4ecf757 100644
--- a/sql/utils.lisp
+++ b/sql/utils.lisp
@@ -52,10 +52,9 @@
 
 (defun sql-escape (identifier)
   "Change hyphens to underscores, ensure string"
-  (let ((unescaped (etypecase identifier
-                     (symbol (symbol-name identifier))
-                     (string identifier))))
-    (substitute #\_ #\- unescaped)))
+  (etypecase identifier
+    (symbol (substitute #\_ #\- (symbol-name identifier)))
+    (string identifier)))
 
 (defmacro without-interrupts (&body body)
   #+allegro `(mp:without-scheduling ,@body)
-- 
2.34.1