- when (string= attribute (second field-info))
- return (third field-info)))
-
-(defun %sequence-name-to-table-name (sequence-name)
- (concatenate 'string "_clsql_seq_" (sql-escape sequence-name)))
-
-(defun %table-name-to-sequence-name (table-name)
- (and (>= (length table-name) 11)
- (string= (subseq table-name 0 11) "_clsql_seq_")
- (subseq table-name 11)))
-
-(defmethod database-create-sequence (sequence-name
- (database sqlite-database))
- (let ((table-name (%sequence-name-to-table-name sequence-name)))
- (database-execute-command
- (concatenate 'string "CREATE TABLE " table-name
- " (id INTEGER PRIMARY KEY)")
- database)
- (database-execute-command
- (format nil "INSERT INTO ~A VALUES (-1)" table-name)
- database)))
-
-(defmethod database-drop-sequence (sequence-name
- (database sqlite-database))
- (database-execute-command
- (concatenate 'string "DROP TABLE "
- (%sequence-name-to-table-name sequence-name))
- database))
-
-(defmethod database-list-sequences ((database sqlite-database)
- &key (owner nil))
- (declare (ignore owner))
- (mapcan #'(lambda (s)
- (let ((sn (%table-name-to-sequence-name (car s))))
- (and sn (list sn))))
- (database-query
- "SELECT name FROM sqlite_master WHERE type='table' UNION ALL SELECT name FROM sqlite_temp_master WHERE type='table' ORDER BY name"
- database '())))
-
-(defmethod database-sequence-next (sequence-name (database sqlite-database))
- (let ((table-name (%sequence-name-to-table-name sequence-name)))
- (database-execute-command
- (format nil "UPDATE ~A SET id=(SELECT id FROM ~A)+1"
- table-name table-name)
- database)
- (sqlite:sqlite-last-insert-rowid (sqlite-db database))
- (parse-integer
- (caar (database-query (format nil "SELECT id from ~A" table-name)
- database nil)))))
-
-(defmethod database-set-sequence-position (sequence-name
- (position integer)
- (database sqlite-database))
- (let ((table-name (%sequence-name-to-table-name sequence-name)))
- (database-execute-command
- (format nil "UPDATE ~A SET id=~A" table-name position)
- database)
- (sqlite:sqlite-last-insert-rowid (sqlite-db database))))
-
-(defmethod database-sequence-last (sequence-name (database sqlite-database))
- (declare (ignore sequence-name)))
+ when (string= attribute (second field-info))
+ return
+ (let* ((raw-type (third field-info))
+ (start-length (position #\( raw-type))
+ (type (if start-length
+ (subseq raw-type 0 start-length)
+ raw-type))
+ (length (if start-length
+ (parse-integer (subseq raw-type (1+ start-length))
+ :junk-allowed t)
+ nil)))
+ (values (when type (ensure-keyword type))
+ length
+ nil
+ (if (string-equal (fourth field-info) "0")
+ 1 0)))))
+
+(defmethod database-create (connection-spec (type (eql :sqlite)))
+ (declare (ignore connection-spec))
+ ;; databases are created automatically by SQLite
+ t)
+
+(defmethod database-destroy (connection-spec (type (eql :sqlite)))
+ (destructuring-bind (name) connection-spec
+ (if (probe-file name)
+ (delete-file name)
+ nil)))
+
+(defmethod database-probe (connection-spec (type (eql :sqlite)))
+ (destructuring-bind (name) connection-spec
+ ;; TODO: Add a test that this file is a real sqlite database
+ (or (string-equal ":memory:" name)
+ (and (probe-file name) t))))
+
+;;; Database capabilities
+
+(defmethod db-type-has-boolean-where? ((db-type (eql :sqlite)))
+ nil)
+
+
+