X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=sql%2Fgenerics.lisp;h=860771e862eda4191a3c1d9feba37ab84536fff3;hp=9ff64921b2413c39709815539e2328708aaad5b5;hb=d2d49ab13c98bc7a1819a0fd3968268a5567bdc3;hpb=dea46c447f6688f1519a6fbe7f5998d0eab7474c

diff --git a/sql/generics.lisp b/sql/generics.lisp
index 9ff6492..860771e 100644
--- a/sql/generics.lisp
+++ b/sql/generics.lisp
@@ -4,12 +4,10 @@
 ;;;;
 ;;;; Name:     generics.lisp
 ;;;; Purpose:  Generic function definitions for DB interfaces
-;;;; Author:   Kevin M. Rosenberg based on
+;;;; Author:   Kevin M. Rosenberg
 ;;;; Created:  Apr 2004
 ;;;;
-;;;; $Id$
-;;;;
-;;;; This file, part of CLSQL, is Copyright (c) 2002-2004 by Kevin M. Rosenberg
+;;;; This file, part of CLSQL, is Copyright (c) 2004-2010 by Kevin M. Rosenberg
 ;;;;
 ;;;; CLSQL users are granted the rights to distribute and use this software
 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
@@ -19,7 +17,7 @@
 (in-package #:clsql-sys)
 
 
-;; FDML 
+;; FDML
 
 (defgeneric execute-command (expression &key database)
   (:documentation
@@ -48,7 +46,7 @@ record selected by QUERY-EXPRESSION, the results are returned as
 elements of a list."))
 
 
-;; OODML 
+;; OODML
 
 (defgeneric update-record-from-slot (object slot &key database)
   (:documentation
@@ -63,7 +61,7 @@ attributes having default values. Furthermore, OBJECT becomes
 associated with DATABASE."))
 
 (defgeneric update-record-from-slots (object slots &key database)
-  (:documentation 
+  (:documentation
    "Updates the values stored in the columns represented by the
 slots, specified by the CLOS slot names SLOTS, of View Class
 instance OBJECT. DATABASE defaults to *DEFAULT-DATABASE* and
@@ -109,8 +107,8 @@ database, *DEFAULT-DATABASE*.  Join slots are updated but
 instances of the class on which the join is made are not
 updated."))
 
-(defgeneric instance-refreshed (object) 
-  (:documentation 
+(defgeneric instance-refreshed (object)
+  (:documentation
    "Provides a hook which is called within an object oriented
 call to SELECT with a non-nil value of REFRESH when the View
 Class instance OBJECT has been updated from the database. A
@@ -125,21 +123,9 @@ value.  If nulls are allowed for the column, the slot's value will be
 nil, otherwise its value will be set to the result of calling
 DATABASE-NULL-VALUE on the type of the slot."))
 
-(defgeneric output-sql (expr database)
-  )
-
-(defgeneric output-sql-hash-key (arg database)
-  )
-
-(defgeneric collect-table-refs (sql)
-  )
-(defgeneric database-output-sql (arg database)
-  )
 (defgeneric database-pkey-constraint  (class database)
   )
-(defgeneric database-constraint-statement  (constraints database)
-  )
-(defgeneric %install-class  (class database)
+(defgeneric %install-class  (class database &key transactions)
   )
 (defgeneric database-generate-column-definition  (class slotdef database)
   )
@@ -154,3 +140,30 @@ DATABASE-NULL-VALUE on the type of the slot."))
 (defgeneric read-sql-value  (val type database db-type)
   )
 
+
+;; Generation of SQL strings from lisp expressions
+
+(defgeneric output-sql (expr database)
+  (:documentation "Writes an SQL string appropriate for DATABASE
+  and corresponding to the lisp expression EXPR to
+  *SQL-STREAM*. The function SQL-OUTPUT is a top-level call for
+  generating SQL strings which initialises *SQL-STREAM*, calls
+  OUTPUT-SQL and reads the generated SQL string from
+  *SQL-STREAM*."))
+
+(defgeneric database-output-sql (expr database)
+  (:documentation "Returns an SQL string appropriate for DATABASE
+  and corresponding to the lisp expression
+  EXPR. DATABASE-OUTPUT-SQL is called by OUTPUT-SQL when no more
+  specific method exists for EXPR."))
+
+(defgeneric output-sql-hash-key (expr database)
+  (:documentation "Returns a list (or other object suitable for
+use as the key of an EQUAL hash table) which uniquely identifies
+the arguments EXPR and DATABASE."))
+
+(defgeneric collect-table-refs (sql)
+  )
+
+(defgeneric database-constraint-statement  (constraints database)
+  )