From: Russ Tyndall <russ@acceleration.net>
Date: Tue, 30 Oct 2012 15:55:28 +0000 (-0400)
Subject: added dates/times to the parameter value coersion and pulled this into
X-Git-Tag: v6.4.0~14
X-Git-Url: http://git.kpe.io/?p=clsql.git;a=commitdiff_plain;h=d0f4349abfed43cdb9b618509b8e39579f224326

added dates/times to the parameter value coersion and pulled this into
a new generic prepare-sql-parameter
---

diff --git a/ChangeLog b/ChangeLog
index 40ee2d7..0db8fd1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-10-30  Russ Tyndall <russ@acceleration.net>
+	* sql/command-object.lisp - added dates/times to the parameter value
+	coersion and pulled this into a new generic prepare-sql-parameter
+
 2012-09-04  Kevin Rosenberg  <kevin@rosenberg.net>
 	* Version 6.3 released
 
diff --git a/sql/command-object.lisp b/sql/command-object.lisp
index d931bac..6af4bc8 100644
--- a/sql/command-object.lisp
+++ b/sql/command-object.lisp
@@ -35,18 +35,30 @@
 		      :documentation "Have we already prepared this command object?")
    ))
 
+
+(defgeneric prepare-sql-parameter (sql-parameter)
+  (:documentation "This method is responsible for formatting parameters
+     as the database expects them (eg: :false is nil, nil is :null, dates are iso8601 strings)")
+  (:method (sql-parameter)
+    (typecase sql-parameter
+      (null :null)
+      (symbol
+       (if (member sql-parameter (list :false :F))
+           nil
+           (princ-to-string sql-parameter)))
+      (clsql-sys:date (format-date nil sql-parameter :format :iso8601))
+      (clsql-sys:wall-time (format-time nil sql-parameter :format :iso8601))
+      (t sql-parameter))))
+
 (defmethod initialize-instance :after ((o command-object) &key &allow-other-keys )
-  ;; Inits parameter nulls
+  ;; Inits parameter value coersion
   (setf (parameters o) (parameters o)))
 
 (defmethod (setf parameters) (new (o command-object))
   " This causes the semantics to match cl-sql instead of cl-postgresql
   "
   (setf (slot-value o 'parameters)
-	(loop for p in new
-	      collecting (cond ((null p) :null)
-			       ((member p (list :false :F)) nil)
-			       (T p)))))
+	(loop for p in new collecting (prepare-sql-parameter p))))
 
 (defun reset-command-object (co)
   "Resets the command object to have no name and to be unprepared
diff --git a/sql/package.lisp b/sql/package.lisp
index eb5b0ed..eb6faf8 100644
--- a/sql/package.lisp
+++ b/sql/package.lisp
@@ -213,6 +213,7 @@
      ;; Command-object.lisp
      #:expression
      #:parameters
+     #:prepare-sql-parameter
      #:prepared-name
      #:has-been-prepared
      #:command-object