;;;; *************************************************************************
(defpackage #:clsql-odbc
- (:use #:common-lisp #:clsql-base-sys)
+ (:use #:common-lisp #:clsql-base)
(:export #:odbc-database)
(:documentation "This is the CLSQL interface to ODBC."))
:errno nil
:error "Connection failed")))))
+(defmethod database-underlying-type ((database odbc-database))
+ (database-odbc-db-type database))
+
(defun store-type-of-connected-database (db)
(let* ((odbc-conn (database-odbc-conn db))
(server-name (odbc-dbi::get-odbc-info odbc-conn odbc::$SQL_SERVER_NAME))
t)
(defmethod database-query (query-expression (database odbc-database)
- result-types)
+ result-types field-names)
(handler-case
(odbc-dbi:sql query-expression :db (database-odbc-conn database)
- :result-types result-types)
+ :result-types result-types
+ :column-names field-names)
(clsql-error (e)
(error e))
#+ignore
;;; Sequence functions
(defun %sequence-name-to-table (sequence-name)
- (concatenate 'string "_clsql_seq_" (sql-escape 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_")
+ (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_")
(subseq table-name 11)))
(defmethod database-create-sequence (sequence-name
(defmethod database-list-sequences ((database odbc-database)
&key (owner nil))
(declare (ignore owner))
- (mapcar #'(lambda (s) (%table-name-to-sequence-name (car s)))
- (database-query "SHOW TABLES LIKE '%clsql_seq%'"
- database nil)))
+ ;; FIXME: Underlying database backend stuff should come from that backend
+
+ (case (database-odbc-db-type database)
+ (:mysql
+ (mapcan #'(lambda (s)
+ (let ((sn (%table-name-to-sequence-name (car s))))
+ (and sn (list sn))))
+ (database-query "SHOW TABLES" database nil nil)))
+ ((:postgresql :postgresql-socket)
+ (mapcar #'(lambda (s) (%table-name-to-sequence-name (car s)))
+ (database-query "SELECT RELNAME FROM pg_class WHERE RELNAME LIKE '%clsql_seq%'"
+ database nil nil)))))
(defmethod database-list-tables ((database odbc-database)
&key (owner nil))
(string-equal "TABLE" (nth 3 row)))
collect (nth 2 row))))
+(defmethod database-list-views ((database odbc-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ (multiple-value-bind (rows col-names)
+ (odbc-dbi:list-all-database-tables :db (database-odbc-conn database))
+ (declare (ignore col-names))
+ ;; TABLE_SCHEM is hard-coded in second column by ODBC Driver Manager
+ ;; TABLE_NAME in third column, TABLE_TYPE in fourth column
+ (loop for row in rows
+ when (and (not (string-equal "information_schema" (nth 1 row)))
+ (string-equal "VIEW" (nth 3 row)))
+ collect (nth 2 row))))
+
(defmethod database-list-attributes ((table string) (database odbc-database)
&key (owner nil))
(declare (ignore owner))
(multiple-value-bind (rows col-names)
(odbc-dbi:list-all-table-columns table :db (database-odbc-conn database))
- (let ((pos (position "COLUMN_NAME" col-names :test #'string-equal)))
- (when pos
- (loop for row in rows
- collect (nth pos row))))))
+ (declare (ignore col-names))
+ ;; COLUMN_NAME is hard-coded by odbc spec as fourth position
+ (loop for row in rows
+ collect (fourth row))))
(defmethod database-attribute-type ((attribute string) (table string) (database odbc-database)
&key (owner nil))
(declare (ignore owner))
(multiple-value-bind (rows col-names)
(odbc-dbi:list-all-table-columns table :db (database-odbc-conn database))
- (let ((pos (position "TYPE_NAME" col-names :test #'string-equal)))
- (when pos
- (loop for row in rows
- collect (nth pos row))))))
+ (declare (ignore col-names))
+ ;; COLUMN_NAME is hard-coded by odbc spec as fourth position
+ ;; TYPE_NAME is the sixth column
+ ;; PRECISION/COLUMN_SIZE is the seventh column
+ ;; SCALE/DECIMAL_DIGITS is the ninth column
+ ;; NULLABLE is the eleventh column
+ (loop for row in rows
+ when (string-equal attribute (fourth row))
+ do (return (values (ensure-keyword (sixth row))
+ (parse-integer (seventh row) :junk-allowed t)
+ (parse-integer (ninth row) :junk-allowed t)
+ (parse-integer (nth 10 row) :junk-allowed t))))))
(defmethod database-set-sequence-position (sequence-name
(position integer)
(car (database-query
(concatenate 'string "SELECT last_value,is_called FROM "
table-name)
- database
- :auto))))
+ database :auto nil))))
(cond
((char-equal (schar (second tuple) 0) #\f)
(database-execute-command
(caar (database-query
(concatenate 'string "SELECT last_value FROM "
(%sequence-name-to-table sequence-name))
- database
- :auto))))
+ database :auto nil))))
(defmethod database-create (connection-spec (type (eql :odbc)))
+ (declare (ignore connection-spec))
(warn "Not implemented."))
(defmethod database-destroy (connection-spec (type (eql :odbc)))
+ (declare (ignore connection-spec))
(warn "Not implemented."))
(defmethod database-probe (connection-spec (type (eql :odbc)))
&key (owner nil))
(let ((result '()))
(dolist (table (database-list-tables database :owner owner) result)
- (append (database-list-table-indexes table database :owner owner)
- result))))
+ (setq result
+ (append (database-list-table-indexes table database :owner owner)
+ result)))))
(defmethod database-list-table-indexes (table (database odbc-database)
&key (owner nil))
+ (declare (ignore owner))
+ (odbc-list-table-indexes table database))
+
+(defun odbc-list-table-indexes (table database)
(multiple-value-bind (rows col-names)
- (odbc-dbi:list-table-indexes table :db (database-odbc-conn database))
+ (odbc-dbi:list-table-indexes
+ table
+ :db (database-odbc-conn database))
(declare (ignore col-names))
;; INDEX_NAME is hard-coded in sixth position by ODBC driver
- (loop for row in rows collect (nth 5 row))))
+ ;; FIXME: ??? is hard-coded in the fourth position
+ (do ((results nil)
+ (loop-rows rows (cdr loop-rows)))
+ ((null loop-rows) (nreverse results))
+ (let* ((row (car loop-rows))
+ (col (nth 5 row)))
+ (unless (find col results :test #'string-equal)
+ (push col results))))))
+
+;;; Database capabilities
+
+(defmethod db-backend-has-create/destroy-db? ((db-type (eql :odbc)))
+ nil)
+
+
+(defmethod database-initialize-database-type ((database-type (eql :odbc)))
+ ;; nothing to do
+ t)
-#+ignore
-(when (clsql-base-sys:database-type-library-loaded :odbc)
- (clsql-base-sys:initialize-database-type :database-type :odbc))
+(when (clsql-base:database-type-library-loaded :odbc)
+ (clsql-base:initialize-database-type :database-type :odbc))