-
-(defmethod database-disconnect ((database odbc-database))
- (odbc-dbi:disconnect (database-odbc-conn database))
- (setf (database-odbc-conn database) nil)
- t)
-
-(defmethod database-query (query-expression (database odbc-database)
- result-types field-names)
- (handler-case
- (odbc-dbi:sql query-expression :db (database-odbc-conn database)
- :result-types result-types
- :column-names field-names)
- (clsql-error (e)
- (error e))
- #+ignore
- (error ()
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno nil
- :error "Query failed"))))
-
-(defmethod database-execute-command (sql-expression
- (database odbc-database))
- (handler-case
- (odbc-dbi:sql sql-expression :db (database-odbc-conn database))
- (clsql-error (e)
- (error e))
- #+ignore
- (error ()
- (error 'clsql-sql-error
- :database database
- :expression sql-expression
- :errno nil
- :error "Execute command failed"))))
-
-(defstruct odbc-result-set
- (query nil)
- (types nil)
- (full-set nil :type boolean))
-
-(defmethod database-query-result-set ((query-expression string)
- (database odbc-database)
- &key full-set result-types)
- (handler-case
- (multiple-value-bind (query column-names)
- (odbc-dbi:sql query-expression
- :db (database-odbc-conn database)
- :row-count nil
- :column-names t
- :query t
- :result-types result-types)
- (values
- (make-odbc-result-set :query query :full-set full-set
- :types result-types)
- (length column-names)
- nil ;; not able to return number of rows with odbc
- ))
- #+ignore
- (error ()
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno nil
- :error "Query result set failed"))))
-
-(defmethod database-dump-result-set (result-set (database odbc-database))
- (odbc-dbi:close-query (odbc-result-set-query result-set))
- t)
-
-(defmethod database-store-next-row (result-set
- (database odbc-database)
- list)
- (let ((row (odbc-dbi:fetch-row (odbc-result-set-query result-set) nil 'eof)))
- (if (eq row 'eof)
- nil
- (progn
- (loop for elem in row
- for rest on list
- do
- (setf (car rest) elem))
- list))))
-
-;;; Sequence functions
-
-(defun %sequence-name-to-table (sequence-name)
- (concatenate 'string "_CLSQL_SEQ_" (sql-escape sequence-name)))
-
-(defun %table-name-to-sequence-name (table-name)
- (and (>= (length table-name) 11)
- (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_")
- (subseq table-name 11)))
-
-(defmethod database-create-sequence (sequence-name
- (database odbc-database))
- (let ((table-name (%sequence-name-to-table sequence-name)))
- (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))")
- database)
- (database-execute-command
- (concatenate 'string "INSERT INTO " table-name
- " VALUES (1,1,1,'f')")
- database)))
-
-(defmethod database-drop-sequence (sequence-name
- (database odbc-database))
- (database-execute-command
- (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
- database))
-
-(defmethod database-list-sequences ((database odbc-database)
- &key (owner nil))
- (declare (ignore owner))
- ;; 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)))
- ((: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)))))
-
-(defmethod database-list-tables ((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 "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))))))
-
-(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))))))