Automated commit for debian release 6.7.2-1

[clsql.git] / sql / sequences.lisp

diff --git a/sql/sequences.lisp b/sql/sequences.lisp
index b82b9b8e5a13178592bf663efe00ddecd7714e30..1b32f29b2056b0cdeaae4579080dee3ce6446e01 100644 (file)
--- a/sql/sequences.lisp
+++ b/sql/sequences.lisp
@@ -1,8 +1,6 @@
 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
 ;;;; *************************************************************************
 ;;;;
-;;;; $Id$
-;;;;
 ;;;; Generic sequence implementation. Backends should use native sequences if
 ;;;; are available.
 ;;;;
@@ -22,44 +20,56 @@
 
 ;;; Sequence functions
 
-(defun %sequence-name-to-table (sequence-name database)
-  (concatenate 'string
-              (convert-to-db-default-case "_CLSQL_SEQ_" database)
-              (sql-escape sequence-name)))
+(defvar *old-sequence-names* nil
+  "Should CLSQL use its old sequence naming scheme _CLSQL_SEQ_{table} instead
+   of the current scheme {table}_CLSQL_SEQ")
 
-(defun %table-name-to-sequence-name (table-name database)
-  (and (>= (length table-name) 11)
-       (string-equal (subseq table-name 0 11)
-                    (convert-to-db-default-case "_CLSQL_SEQ_" database))
-       (subseq table-name 11)))
+(defun %sequence-name-to-table (sequence-name database)
+  (escaped
+   (combine-database-identifiers
+    (if *old-sequence-names*
+        (list '_CLSQL_SEQ sequence-name)
+        (list sequence-name 'CLSQL_SEQ))
+    database)))
 
 (defmethod database-create-sequence (sequence-name database)
   (let ((table-name (%sequence-name-to-table sequence-name database)))
     (database-execute-command
      (concatenate 'string "CREATE TABLE " table-name
-                 " (last_value int NOT NULL PRIMARY KEY, increment_by int, min_value int, is_called char(1))")
+                  " (last_value int NOT NULL PRIMARY KEY, increment_by int, min_value int, is_called char(1))")
      database)
-    (database-execute-command 
+    (database-execute-command
      (concatenate 'string "INSERT INTO " table-name
-                 " VALUES (1,1,1,'f')")
+                  " VALUES (1,1,1,'f')")
      database)))
 
 (defmethod database-drop-sequence (sequence-name database)
   (database-execute-command
-   (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name database)) 
+   (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name database))
    database))
 
+(defun %seq-name-key ()
+  (if *old-sequence-names*
+      "_CLSQL_SEQ_"
+      "_CLSQL_SEQ"))
+
+(defun %table-name-to-sequence-name (table-name)
+  ;; if this was escaped it still should be,
+  ;; if it wasnt it still shouldnt-be
+  (check-type table-name string)
+  (replace-all table-name (%seq-name-key) ""))
+
 (defmethod database-list-sequences (database &key (owner nil))
   (declare (ignore owner))
   (mapcan #'(lambda (s)
-             (let ((sn (%table-name-to-sequence-name s database)))
-               (and sn (list sn))))
-         (database-list-tables-and-sequences database)))
+              (and (search (%seq-name-key) s :test #'string-equal)
+                   (list (%table-name-to-sequence-name s))))
+          (database-list-tables-and-sequences database)))
 
 (defmethod database-set-sequence-position (sequence-name position database)
   (database-execute-command
-   (format nil "UPDATE ~A SET last_value=~A,is_called='t'" 
-          (%sequence-name-to-table sequence-name database)
+   (format nil "UPDATE ~A SET last_value=~A,is_called='t'"
+           (%sequence-name-to-table sequence-name database)
            position)
    database)
   position)
@@ -67,27 +77,27 @@
 (defmethod database-sequence-next (sequence-name database)
   (without-interrupts
    (let* ((table-name (%sequence-name-to-table sequence-name database))
-         (tuple
-          (car (database-query 
-                (concatenate 'string "SELECT last_value,is_called FROM " 
-                             table-name)
-                database :auto nil))))
+          (tuple
+           (car (database-query
+                 (concatenate 'string "SELECT last_value,is_called FROM "
+                              table-name)
+                 database :auto nil))))
      (cond
        ((char-equal (schar (second tuple) 0) #\f)
-       (database-execute-command
-        (format nil "UPDATE ~A SET is_called='t'" table-name)
-        database)
-       (car tuple))
+        (database-execute-command
+         (format nil "UPDATE ~A SET is_called='t'" table-name)
+         database)
+        (car tuple))
        (t
-       (let ((new-pos (1+ (car tuple))))
-        (database-execute-command
-         (format nil "UPDATE ~A SET last_value=~D" table-name new-pos)
-         database)
-        new-pos))))))
-            
+        (let ((new-pos (1+ (car tuple))))
+         (database-execute-command
+          (format nil "UPDATE ~A SET last_value=~D" table-name new-pos)
+          database)
+         new-pos))))))
+
 (defmethod database-sequence-last (sequence-name database)
   (without-interrupts
-   (caar (database-query 
-         (concatenate 'string "SELECT last_value FROM " 
-                      (%sequence-name-to-table sequence-name database))
-         database :auto nil))))
+   (caar (database-query
+          (concatenate 'string "SELECT last_value FROM "
+                       (%sequence-name-to-table sequence-name database))
+          database :auto nil))))