;;;; *************************************************************************
(defpackage #:clsql-mysql
- (:use #:common-lisp #:clsql-base-sys #:mysql #:clsql-uffi)
+ (:use #:common-lisp #:clsql-sys #:mysql #:clsql-uffi)
(:export #:mysql-database)
(:documentation "This is the CLSQL interface to MySQL."))
(in-package #:clsql-mysql)
+;; if we have :sb-unicode, UFFI will treat :cstring as a UTF-8 string
+(defun expression-length (query-expression)
+ (length #+sb-unicode (sb-ext:string-to-octets query-expression
+ :external-format :utf8)
+ #-sb-unicode query-expression))
+
;;; Field conversion functions
+(defun result-field-names (num-fields res-ptr)
+ (declare (fixnum num-fields))
+ (let ((names '())
+ (field-vec (mysql-fetch-fields res-ptr)))
+ (dotimes (i num-fields)
+ (declare (fixnum i))
+ (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
+ (name (uffi:convert-from-foreign-string
+ (uffi:get-slot-value field 'mysql-field 'mysql::name))))
+ (push name names)))
+ (nreverse names)))
+
(defun make-type-list-for-auto (num-fields res-ptr)
(declare (fixnum num-fields))
(let ((new-types '())
- #+ignore (field-vec (mysql-fetch-fields res-ptr)))
+ (field-vec (mysql-fetch-fields res-ptr)))
(dotimes (i num-fields)
(declare (fixnum i))
- (let* ( (field (mysql-fetch-field-direct res-ptr i))
- #+ignore (field (uffi:deref-array field-vec '(:array mysql-field) i))
- (type (uffi:get-slot-value field 'mysql-field 'type)))
- (push
- (case type
- ((#.mysql-field-types#tiny
- #.mysql-field-types#short
- #.mysql-field-types#int24
- #.mysql-field-types#long)
- :int32)
- (#.mysql-field-types#longlong
- :int64)
- ((#.mysql-field-types#double
- #.mysql-field-types#float
- #.mysql-field-types#decimal)
- :double)
- (otherwise
- t))
- new-types)))
+ (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
+ (flags (uffi:get-slot-value field 'mysql-field 'mysql::flags))
+ (unsigned (plusp (logand flags 32)))
+ (type (uffi:get-slot-value field 'mysql-field 'type)))
+ (push
+ (case type
+ ((#.mysql-field-types#tiny
+ #.mysql-field-types#short
+ #.mysql-field-types#int24)
+ (if unsigned
+ :uint32
+ :int32))
+ (#.mysql-field-types#long
+ (if unsigned
+ :uint
+ :int))
+ (#.mysql-field-types#longlong
+ (if unsigned
+ :uint64
+ :int64))
+ ((#.mysql-field-types#double
+ #.mysql-field-types#float
+ #.mysql-field-types#decimal)
+ :double)
+ (otherwise
+ t))
+ new-types)))
(nreverse new-types)))
(defun canonicalize-types (types num-fields res-ptr)
(when types
(let ((auto-list (make-type-list-for-auto num-fields res-ptr)))
(cond
- ((listp types)
- (canonicalize-type-list types auto-list))
- ((eq types :auto)
- auto-list)
- (t
- nil)))))
+ ((listp types)
+ (canonicalize-type-list types auto-list))
+ ((eq types :auto)
+ auto-list)
+ (t
+ nil)))))
(defmethod database-initialize-database-type ((database-type (eql :mysql)))
t)
(defclass mysql-database (database)
((mysql-ptr :accessor database-mysql-ptr :initarg :mysql-ptr
- :type mysql-mysql-ptr-def)))
+ :type mysql-mysql-ptr-def)
+ (server-info :accessor database-server-info :initarg :server-info
+ :type string)))
(defmethod database-type ((database mysql-database))
:mysql)
(defmethod database-name-from-spec (connection-spec (database-type (eql :mysql)))
- (check-connection-spec connection-spec database-type (host db user password))
- (destructuring-bind (host db user password) connection-spec
+ (check-connection-spec connection-spec database-type
+ (host db user password &optional port))
+ (destructuring-bind (host db user password &optional port) connection-spec
(declare (ignore password))
- (concatenate 'string host "/" db "/" user)))
+ (concatenate 'string
+ (etypecase host
+ (null "localhost")
+ (pathname (namestring host))
+ (string host))
+ (if port
+ (concatenate 'string
+ ":"
+ (etypecase port
+ (integer (write-to-string port))
+ (string port)))
+ "")
+ "/" db "/" user)))
(defmethod database-connect (connection-spec (database-type (eql :mysql)))
- (check-connection-spec connection-spec database-type (host db user password))
- (destructuring-bind (host db user password) connection-spec
+ (check-connection-spec connection-spec database-type
+ (host db user password &optional port))
+ (destructuring-bind (host db user password &optional port) connection-spec
(let ((mysql-ptr (mysql-init (uffi:make-null-pointer 'mysql-mysql)))
- (socket nil))
+ (socket nil))
(if (uffi:null-pointer-p mysql-ptr)
- (error 'clsql-connect-error
- :database-type database-type
- :connection-spec connection-spec
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))
- (uffi:with-cstrings ((host-native host)
- (user-native user)
- (password-native password)
- (db-native db)
- (socket-native socket))
- (let ((error-occurred nil))
- (unwind-protect
- (if (uffi:null-pointer-p
- (mysql-real-connect
- mysql-ptr host-native user-native password-native
- db-native 0 socket-native 0))
- (progn
- (setq error-occurred t)
- (error 'clsql-connect-error
- :database-type database-type
- :connection-spec connection-spec
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr)))
- (make-instance 'mysql-database
- :name (database-name-from-spec connection-spec
- database-type)
- :connection-spec connection-spec
- :mysql-ptr mysql-ptr))
- (when error-occurred (mysql-close mysql-ptr)))))))))
+ (error 'sql-connection-error
+ :database-type database-type
+ :connection-spec connection-spec
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))
+ (uffi:with-cstrings ((host-native host)
+ (user-native user)
+ (password-native password)
+ (db-native db)
+ (socket-native socket))
+ (let ((error-occurred nil))
+ (unwind-protect
+ (if (uffi:null-pointer-p
+ (mysql-real-connect
+ mysql-ptr host-native user-native password-native
+ db-native
+ (etypecase port
+ (null 0)
+ (integer port)
+ (string (parse-integer port)))
+ socket-native 0))
+ (progn
+ (setq error-occurred t)
+ (error 'sql-connection-error
+ :database-type database-type
+ :connection-spec connection-spec
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr)))
+ (make-instance 'mysql-database
+ :name (database-name-from-spec connection-spec
+ database-type)
+ :database-type :mysql
+ :connection-spec connection-spec
+ :server-info (uffi:convert-from-cstring
+ (mysql:mysql-get-server-info mysql-ptr))
+ :mysql-ptr mysql-ptr))
+ (when error-occurred (mysql-close mysql-ptr)))))))))
(defmethod database-disconnect ((database mysql-database))
t)
-(defmethod database-query (query-expression (database mysql-database)
- types)
+(defmethod database-query (query-expression (database mysql-database)
+ result-types field-names)
(declare (optimize (speed 3) (safety 0) (debug 0) (space 0)))
(let ((mysql-ptr (database-mysql-ptr database)))
(uffi:with-cstring (query-native query-expression)
- (if (zerop (mysql-real-query mysql-ptr query-native
- (length query-expression)))
- (let ((res-ptr (mysql-use-result mysql-ptr)))
- (if res-ptr
- (unwind-protect
- (let ((num-fields (mysql-num-fields res-ptr)))
- (declare (fixnum num-fields))
- (setq types (canonicalize-types
- types num-fields
- res-ptr))
- (loop for row = (mysql-fetch-row res-ptr)
- for lengths = (mysql-fetch-lengths res-ptr)
- until (uffi:null-pointer-p row)
- collect
- (do* ((rlist (make-list num-fields))
- (i 0 (1+ i))
- (pos rlist (cdr pos)))
- ((= i num-fields) rlist)
- (declare (fixnum i))
- (setf (car pos)
- (convert-raw-field
- (uffi:deref-array row '(:array
- (* :unsigned-char))
- i)
- types i
- (uffi:deref-array lengths '(:array :unsigned-long)
- i))))))
- (mysql-free-result res-ptr))
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))))
-
-#+ignore
-(defmethod database-query (query-expression (database mysql-database)
- types)
- (declare (optimize (speed 3) (safety 0) (debug 0) (space 0)))
- (let ((mysql-ptr (database-mysql-ptr database)))
- (uffi:with-cstring (query-native query-expression)
- (if (zerop (mysql-query mysql-ptr query-native))
- (let ((res-ptr (mysql-use-result mysql-ptr)))
- (if res-ptr
- (unwind-protect
- (let ((num-fields (mysql-num-fields res-ptr)))
- (declare (fixnum num-fields))
- (setq types (canonicalize-types
- types num-fields
- res-ptr))
- (loop for row = (mysql-fetch-row res-ptr)
- until (uffi:null-pointer-p row)
- collect
- (loop for i fixnum from 0 below num-fields
- collect
- (convert-raw-field
- (uffi:deref-array row '(:array
- (* :unsigned-char))
- i)
- types i))))
- (mysql-free-result res-ptr))
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))))
+ (if (zerop (mysql-real-query mysql-ptr query-native
+ (expression-length query-expression)))
+ (let ((res-ptr (mysql-use-result mysql-ptr)))
+ (if res-ptr
+ (unwind-protect
+ (let ((num-fields (mysql-num-fields res-ptr)))
+ (declare (fixnum num-fields))
+ (setq result-types (canonicalize-types
+ result-types num-fields
+ res-ptr))
+ (values
+ (loop for row = (mysql-fetch-row res-ptr)
+ for lengths = (mysql-fetch-lengths res-ptr)
+ until (uffi:null-pointer-p row)
+ collect
+ (do* ((rlist (make-list num-fields))
+ (i 0 (1+ i))
+ (pos rlist (cdr pos)))
+ ((= i num-fields) rlist)
+ (declare (fixnum i))
+ (setf (car pos)
+ (convert-raw-field
+ (uffi:deref-array row '(:array
+ (* :unsigned-char))
+ i)
+ result-types i
+ (uffi:deref-array lengths '(:array :unsigned-long)
+ i)))))
+ (when field-names
+ (result-field-names num-fields res-ptr))))
+ (mysql-free-result res-ptr))
+ (error 'sql-database-data-error
+ :database database
+ :expression query-expression
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))))
+ (error 'sql-database-data-error
+ :database database
+ :expression query-expression
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))))))
(defmethod database-execute-command (sql-expression (database mysql-database))
(uffi:with-cstring (sql-native sql-expression)
(let ((mysql-ptr (database-mysql-ptr database)))
(declare (type mysql-mysql-ptr-def mysql-ptr))
- (if (zerop (mysql-real-query mysql-ptr sql-native
- (length sql-expression)))
- t
- (error 'clsql-sql-error
- :database database
- :expression sql-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))))
+ (if (zerop (mysql-real-query mysql-ptr sql-native
+ (expression-length sql-expression)))
+ t
+ (error 'sql-database-data-error
+ :database database
+ :expression sql-expression
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))))))
-(defstruct mysql-result-set
+(defstruct mysql-result-set
(res-ptr (uffi:make-null-pointer 'mysql-mysql-res) :type mysql-mysql-res-ptr-def)
(types nil :type list)
(num-fields 0 :type fixnum)
(defmethod database-query-result-set ((query-expression string)
- (database mysql-database)
- &key full-set types)
+ (database mysql-database)
+ &key full-set result-types)
(uffi:with-cstring (query-native query-expression)
(let ((mysql-ptr (database-mysql-ptr database)))
(declare (type mysql-mysql-ptr-def mysql-ptr))
(if (zerop (mysql-real-query mysql-ptr query-native
- (length query-expression)))
- (let ((res-ptr (if full-set
- (mysql-store-result mysql-ptr)
- (mysql-use-result mysql-ptr))))
- (declare (type mysql-mysql-res-ptr-def res-ptr))
- (if (not (uffi:null-pointer-p res-ptr))
- (let* ((num-fields (mysql-num-fields res-ptr))
- (result-set (make-mysql-result-set
- :res-ptr res-ptr
- :num-fields num-fields
- :full-set full-set
- :types
- (canonicalize-types
- types num-fields
- res-ptr))))
- (if full-set
- (values result-set
- num-fields
- (mysql-num-rows res-ptr))
- (values result-set
- num-fields)))
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))
- (error 'clsql-sql-error
- :database database
- :expression query-expression
- :errno (mysql-errno mysql-ptr)
- :error (mysql-error-string mysql-ptr))))))
+ (expression-length query-expression)))
+ (let ((res-ptr (if full-set
+ (mysql-store-result mysql-ptr)
+ (mysql-use-result mysql-ptr))))
+ (declare (type mysql-mysql-res-ptr-def res-ptr))
+ (if (not (uffi:null-pointer-p res-ptr))
+ (let* ((num-fields (mysql-num-fields res-ptr))
+ (result-set (make-mysql-result-set
+ :res-ptr res-ptr
+ :num-fields num-fields
+ :full-set full-set
+ :types
+ (canonicalize-types
+ result-types num-fields
+ res-ptr))))
+ (if full-set
+ (values result-set
+ num-fields
+ (mysql-num-rows res-ptr))
+ (values result-set
+ num-fields)))
+ (error 'sql-database-data-error
+ :database database
+ :expression query-expression
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))))
+ (error 'sql-database-data-error
+ :database database
+ :expression query-expression
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))))))
(defmethod database-dump-result-set (result-set (database mysql-database))
(mysql-free-result (mysql-result-set-res-ptr result-set))
(defmethod database-store-next-row (result-set (database mysql-database) list)
(let* ((res-ptr (mysql-result-set-res-ptr result-set))
- (row (mysql-fetch-row res-ptr))
+ (row (mysql-fetch-row res-ptr))
(lengths (mysql-fetch-lengths res-ptr))
- (types (mysql-result-set-types result-set)))
+ (types (mysql-result-set-types result-set)))
(declare (type mysql-mysql-res-ptr-def res-ptr)
- (type mysql-row-def row))
+ (type mysql-row-def row))
(unless (uffi:null-pointer-p row)
(loop for i from 0 below (mysql-result-set-num-fields result-set)
- for rest on list
- do
- (setf (car rest)
- (convert-raw-field
- (uffi:deref-array row '(:array (* :unsigned-char)) i)
- types
- i
- (uffi:deref-array lengths :unsigned-long i))))
+ for rest on list
+ do
+ (setf (car rest)
+ (convert-raw-field
+ (uffi:deref-array row '(:array (* :unsigned-char)) i)
+ types
+ i
+ (uffi:deref-array lengths '(:array :unsigned-long) i))))
list)))
(defmethod database-list-tables ((database mysql-database) &key (owner nil))
(declare (ignore owner))
- (remove-if #'(lambda (s)
- (and (>= (length s) 10)
- (string= (subseq s 0 10) "_clsql_seq_")))
- (mapcar #'car (database-query "SHOW TABLES" database nil))))
-
-;; MySQL 4.1 does not support views
+ (cond
+ ((eql #\5 (char (database-server-info database) 0))
+ (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
+ when (and (string-equal type "base table")
+ (not (and (>= (length name) 11)
+ (string-equal (subseq name 0 11) "_CLSQL_SEQ_"))))
+ collect name))
+ (t
+ (remove-if #'(lambda (s)
+ (and (>= (length s) 11)
+ (string-equal (subseq s 0 11) "_CLSQL_SEQ_")))
+ (mapcar #'car (database-query "SHOW TABLES" database nil nil))))))
+
(defmethod database-list-views ((database mysql-database)
&key (owner nil))
(declare (ignore owner))
- nil)
+ (cond
+ ((eql #\5 (char (database-server-info database) 0))
+ (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
+ when (string-equal type "view")
+ collect name))
+ (t
+ nil)))
(defmethod database-list-indexes ((database mysql-database)
&key (owner nil))
(let ((result '()))
(dolist (table (database-list-tables database :owner owner) result)
- (mapc #'(lambda (index) (push (nth 2 index) result))
- (database-query
- (format nil "SHOW INDEX FROM ~A" (string-upcase table))
- database nil)))))
-
+ (setq result
+ (append (database-list-table-indexes table database :owner owner)
+ result)))))
+
+(defmethod database-list-table-indexes (table (database mysql-database)
+ &key (owner nil))
+ (declare (ignore owner))
+ (do ((results nil)
+ (rows (database-query
+ (format nil "SHOW INDEX FROM ~A" (string-upcase table))
+ database nil nil)
+ (cdr rows)))
+ ((null rows) (nreverse results))
+ (let ((col (nth 2 (car rows))))
+ (unless (find col results :test #'string-equal)
+ (push col results)))))
+
(defmethod database-list-attributes ((table string) (database mysql-database)
&key (owner nil))
(declare (ignore owner))
(mapcar #'car
- (database-query
- (format nil "SHOW COLUMNS FROM ~A" table)
- database nil)))
+ (database-query
+ (format nil "SHOW COLUMNS FROM ~A" table)
+ database nil nil)))
(defmethod database-attribute-type (attribute (table string)
- (database mysql-database)
+ (database mysql-database)
&key (owner nil))
(declare (ignore owner))
- (let ((result
- (mapcar #'cadr
- (database-query
- (format nil
- "SHOW COLUMNS FROM ~A LIKE '~A'" table attribute)
- database nil))))
- (let* ((str (car result))
- (end-str (position #\( str))
- (substr (subseq str 0 end-str)))
- (if substr
- (intern (string-upcase substr) :keyword) nil))))
+ (let ((row (car (database-query
+ (format nil
+ "SHOW COLUMNS FROM ~A LIKE '~A'" table attribute)
+ database nil nil))))
+ (let* ((raw-type (second row))
+ (null (third row))
+ (start-length (position #\( raw-type))
+ (type (if start-length
+ (subseq raw-type 0 start-length)
+ raw-type))
+ (length (when start-length
+ (parse-integer (subseq raw-type (1+ start-length))
+ :junk-allowed t))))
+ (when type
+ (values (ensure-keyword type) length nil (if (string-equal null "YES") 1 0))))))
;;; 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) 10)
- (string= (subseq table-name 0 10) "_clsql_seq_")
- (subseq table-name 10)))
+ (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 mysql-database))
+ (database mysql-database))
(let ((table-name (%sequence-name-to-table sequence-name)))
(database-execute-command
(concatenate 'string "CREATE TABLE " table-name
- " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
+ " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
database)
- (database-execute-command
+ (database-execute-command
(concatenate 'string "INSERT INTO " table-name
- " VALUES (-1)")
+ " VALUES (-1)")
database)))
(defmethod database-drop-sequence (sequence-name
- (database mysql-database))
+ (database mysql-database))
(database-execute-command
- (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
+ (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
database))
(defmethod database-list-sequences ((database mysql-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)))
+ (mapcan #'(lambda (s)
+ (let ((sn (%table-name-to-sequence-name (car s))))
+ (and sn (list sn))))
+ (database-query "SHOW TABLES" database nil nil)))
(defmethod database-set-sequence-position (sequence-name
(position integer)
(mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database)))
(defmethod database-sequence-next (sequence-name (database mysql-database))
- (database-execute-command
- (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name)
- " SET id=LAST_INSERT_ID(id+1)")
- database)
- (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database)))
+ (without-interrupts
+ (database-execute-command
+ (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name)
+ " SET id=LAST_INSERT_ID(id+1)")
+ database)
+ (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database))))
(defmethod database-sequence-last (sequence-name (database mysql-database))
- (declare (ignore sequence-name)))
-
-;; Functions depending upon high-level CommonSQL classes/functions
-#|
-(defmethod database-output-sql ((expr clsql-sys::sql-typecast-exp)
- (database mysql-database))
- (with-slots (clsql-sys::modifier clsql-sys::components)
- expr
- (if clsql-sys::modifier
+ (without-interrupts
+ (caar (database-query
+ (concatenate 'string "SELECT id from "
+ (%sequence-name-to-table sequence-name))
+ database :auto nil))))
+
+(defmethod database-create (connection-spec (type (eql :mysql)))
+ (destructuring-bind (host name user password &optional port) connection-spec
+ (multiple-value-bind (output status)
+ (clsql-sys:command-output "mysqladmin create -u~A -p~A -h~A~@[ -P~A~] ~A"
+ user password
+ (if host host "localhost")
+ port name
+ name)
+ (if (or (not (eql 0 status))
+ (and (search "failed" output) (search "error" output)))
+ (error 'sql-database-error
+ :message
+ (format nil "mysql database creation failed with connection-spec ~A."
+ connection-spec))
+ t))))
+
+(defmethod database-destroy (connection-spec (type (eql :mysql)))
+ (destructuring-bind (host name user password &optional port) connection-spec
+ (multiple-value-bind (output status)
+ (clsql-sys:command-output "mysqladmin drop -f -u~A -p~A -h~A~@[ -P~A~] ~A"
+ user password
+ (if host host "localhost")
+ port name)
+ (if (or (not (eql 0 status))
+ (and (search "failed" output) (search "error" output)))
+ (error 'sql-database-error
+ :message
+ (format nil "mysql database deletion failed with connection-spec ~A."
+ connection-spec))
+ t))))
+
+(defmethod database-probe (connection-spec (type (eql :mysql)))
+ (when (find (second connection-spec) (database-list connection-spec type)
+ :test #'string-equal)
+ t))
+
+(defmethod database-list (connection-spec (type (eql :mysql)))
+ (destructuring-bind (host name user password &optional port) connection-spec
+ (declare (ignore name))
+ (let ((database (database-connect (list host "mysql" user password port) type)))
+ (unwind-protect
+ (progn
+ (setf (slot-value database 'clsql-sys::state) :open)
+ (mapcar #'car (database-query "show databases" database :auto nil)))
(progn
- (clsql-sys::output-sql clsql-sys::components database)
- (write-char #\: sql-sys::*sql-stream*)
- (write-char #\: sql-sys::*sql-stream*)
- (write-string (symbol-name clsql-sys::modifier)
- clsql-sys::*sql-stream*)))))
-
-(defmethod database-output-sql-as-type ((type (eql 'integer)) val
- (database mysql-database))
- ;; typecast it so it uses the indexes
- (when val
- (make-instance 'clsql-sys::sql-typecast-exp
- :modifier 'int8
- :components val)))
-|#
-
-(when (clsql-base-sys:database-type-library-loaded :mysql)
- (clsql-base-sys:initialize-database-type :database-type :mysql))
+ (database-disconnect database)
+ (setf (slot-value database 'clsql-sys::state) :closed))))))
+
+
+;;; Prepared statements
+
+(defclass mysql-stmt ()
+ ((database :initarg :database :reader database)
+ (stmt :initarg :stmt :accessor stmt)
+ (input-bind :initarg :input-bind :reader input-bind)
+ (output-bind :initarg :output-bind :reader output-bind)
+ (types :initarg :types :reader types)
+ (result-set :initarg :result-set :reader result-set)
+ (num-fields :initarg :num-fields :reader num-fields)
+ (field-names :initarg :field-names :accessor stmt-field-names)
+ (length-ptr :initarg :length-ptr :reader length-ptr)
+ (is-null-ptr :initarg :is-null-ptr :reader is-null-ptr)
+ (result-types :initarg :result-types :reader result-types)))
+
+(defun clsql-type->mysql-type (type)
+ (cond
+ ((in type :null) mysql-field-types#null)
+ ((in type :int :integer) mysql-field-types#long)
+ ((in type :short) mysql-field-types#short)
+ ((in type :bigint) mysql-field-types#longlong)
+ ((in type :float :double :number) mysql-field-types#double)
+ ((and (consp type) (in (car type) :char :string :varchar)) mysql-field-types#var-string)
+ ((or (eq type :blob) (and (consp type) (in (car type) :blob))) mysql-field-types#var-string)
+ (t
+ (error 'sql-user-error
+ :message
+ (format nil "Unknown clsql type ~A." type)))))
+
+#+mysql-client-v4.1
+(defmethod database-prepare (sql-stmt types (database mysql-database) result-types field-names)
+ (let* ((mysql-ptr (database-mysql-ptr database))
+ (stmt (mysql-stmt-init mysql-ptr)))
+ (when (uffi:null-pointer-p stmt)
+ (error 'sql-database-error
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr)))
+
+ (uffi:with-cstring (native-query sql-stmt)
+ (unless (zerop (mysql-stmt-prepare stmt native-query (expression-length sql-stmt)))
+ (mysql-stmt-close stmt)
+ (error 'sql-database-error
+ :error-id (mysql-errno mysql-ptr)
+ :message (mysql-error-string mysql-ptr))))
+
+ (unless (= (mysql-stmt-param-count stmt) (length types))
+ (mysql-stmt-close stmt)
+ (error 'sql-database-error
+ :message
+ (format nil "Mysql param count (~D) does not match number of types (~D)"
+ (mysql-stmt-param-count stmt) (length types))))
+
+ (let ((rs (mysql-stmt-result-metadata stmt)))
+ (when (uffi:null-pointer-p rs)
+ (warn "mysql_stmt_result_metadata returned NULL")
+ #+nil
+ (mysql-stmt-close stmt)
+ #+nil
+ (error 'sql-database-error
+ :message "mysql_stmt_result_metadata returned NULL"))
+
+ (let ((input-bind (uffi:allocate-foreign-object 'mysql-bind (length types)))
+ (mysql-types (mapcar 'clsql-type->mysql-type types))
+ field-vec num-fields is-null-ptr output-bind length-ptr)
+
+ (print 'a)
+ (dotimes (i (length types))
+ (let* ((binding (uffi:deref-array input-bind '(:array mysql-bind) i)))
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type)
+ (nth i mysql-types))
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)))
+
+ (print 'b)
+ (unless (uffi:null-pointer-p rs)
+ (setq field-vec (mysql-fetch-fields rs)
+ num-fields (mysql-num-fields rs)
+ is-null-ptr (uffi:allocate-foreign-object :byte num-fields)
+ output-bind (uffi:allocate-foreign-object 'mysql-bind num-fields)
+ length-ptr (uffi:allocate-foreign-object :unsigned-long num-fields))
+ (dotimes (i num-fields)
+ (declare (fixnum i))
+ (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
+ (type (uffi:get-slot-value field 'mysql-field 'type))
+ (binding (uffi:deref-array output-bind '(:array mysql-bind) i)))
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type) type)
+
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)
+ #+need-to-allocate-foreign-object-for-this
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::is-null)
+ (+ i (uffi:pointer-address is-null-ptr)))
+ #+need-to-allocate-foreign-object-for-this
+ (setf (uffi:get-slot-value binding 'mysql-bind 'length)
+ (+ (* i 8) (uffi:pointer-address length-ptr)))
+
+ (case type
+ ((#.mysql-field-types#var-string #.mysql-field-types#string
+ #.mysql-field-types#tiny-blob #.mysql-field-types#blob
+ #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 1024)
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ (uffi:allocate-foreign-object :unsigned-char 1024)))
+ (#.mysql-field-types#tiny
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ (uffi:allocate-foreign-object :byte)))
+ (#.mysql-field-types#short
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ (uffi:allocate-foreign-object :short)))
+ (#.mysql-field-types#long
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ ;; segfaults if supply :int on amd64
+ (uffi:allocate-foreign-object :long)))
+ #+64bit
+ (#.mysql-field-types#longlong
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ (uffi:allocate-foreign-object :long)))
+ (#.mysql-field-types#float
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ (uffi:allocate-foreign-object :float)))
+ (#.mysql-field-types#double
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
+ (uffi:allocate-foreign-object :double)))
+ ((#.mysql-field-types#time #.mysql-field-types#date
+ #.mysql-field-types#datetime #.mysql-field-types#timestamp)
+ (uffi:allocate-foreign-object 'mysql-time))
+ (t
+ (error "mysql type ~D not supported." type)))))
+
+ (unless (zerop (mysql-stmt-bind-result stmt output-bind))
+ (mysql-stmt-close stmt)
+ (error 'sql-database-error
+ :error-id (mysql-stmt-errno stmt)
+ :message (uffi:convert-from-cstring
+ (mysql-stmt-error stmt)))))
+
+ (make-instance 'mysql-stmt
+ :database database
+ :stmt stmt
+ :num-fields num-fields
+ :input-bind input-bind
+ :output-bind output-bind
+ :result-set rs
+ :result-types result-types
+ :length-ptr length-ptr
+ :is-null-ptr is-null-ptr
+ :types mysql-types
+ :field-names field-names)))))
+
+#+mysql-client-v4.1
+(defmethod database-bind-parameter ((stmt mysql-stmt) position value)
+ ;; FIXME: will need to allocate bind structure. This should probably be
+ ;; done in C since the API is not mature and may change
+ (let ((binding (uffi:deref-array (input-bind stmt) '(:array mysql-bind) (1- position)))
+ (type (nth (1- position) (types stmt))))
+ (setf (uffi:get-slot-value binding 'mysql-bind 'length) 0)
+ (cond
+ ((null value)
+ (when (is-null-ptr stmt)
+ (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 1)))
+ (t
+ (when (is-null-ptr stmt)
+ (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 0))
+ (case type
+ (#.mysql-field-types#long
+ (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer) value))
+ (t
+ (warn "Unknown input bind type ~D." type))
+ )))))
+
+#+mysql-client-v4.1
+(defmethod database-run-prepared ((stmt mysql-stmt))
+ (print 'a1)
+ (when (input-bind stmt)
+ (unless (zerop (mysql-stmt-bind-param (stmt stmt) (input-bind stmt)))
+ (error 'sql-database-error
+ :error-id (mysql-stmt-errno (stmt stmt))
+ :message (uffi:convert-from-cstring
+ (mysql-stmt-error (stmt stmt))))))
+ (print 'a2)
+ (unless (zerop (mysql-stmt-execute (stmt stmt)))
+ (error 'sql-database-error
+ :error-id (mysql-stmt-errno (stmt stmt))
+ :message (uffi:convert-from-cstring
+ (mysql-stmt-error (stmt stmt)))))
+ (print 'a3)
+ (unless (zerop (mysql-stmt-store-result (stmt stmt)))
+ (error 'sql-database-error
+ :error-id (mysql-stmt-errno (stmt stmt))
+ :message (uffi:convert-from-cstring
+ (mysql-stmt-error (stmt stmt)))))
+ (database-fetch-prepared-rows stmt))
+
+#+mysql-client-v4.1
+(defun database-fetch-prepared-rows (stmt)
+ (do ((rc (mysql-stmt-fetch (stmt stmt)) (mysql-stmt-fetch (stmt stmt)))
+ (num-fields (num-fields stmt))
+ (rows '()))
+ ((not (zerop rc)) (nreverse rows))
+ (push
+ (loop for i from 0 below num-fields
+ collect
+ (let ((is-null
+ (not (zerop (uffi:ensure-char-integer
+ (uffi:deref-array (is-null-ptr stmt) '(:array :byte) i))))))
+ (unless is-null
+ (let* ((bind (uffi:deref-array (output-bind stmt) '(:array mysql-bind) i))
+ (type (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer-type))
+ (buffer (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer)))
+ (case type
+ ((#.mysql-field-types#var-string #.mysql-field-types#string
+ #.mysql-field-types#tiny-blob #.mysql-field-types#blob
+ #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
+ (uffi:convert-from-foreign-string buffer))
+ (#.mysql-field-types#tiny
+ (uffi:ensure-char-integer
+ (uffi:deref-pointer buffer :byte)))
+ (#.mysql-field-types#short
+ (uffi:deref-pointer buffer :short))
+ (#.mysql-field-types#long
+ (uffi:deref-pointer buffer :int))
+ #+64bit
+ (#.mysql-field-types#longlong
+ (uffi:deref-pointer buffer :long))
+ (#.mysql-field-types#float
+ (uffi:deref-pointer buffer :float))
+ (#.mysql-field-types#double
+ (uffi:deref-pointer buffer :double))
+ ((#.mysql-field-types#time #.mysql-field-types#date
+ #.mysql-field-types#datetime #.mysql-field-types#timestamp)
+ (let ((year (uffi:get-slot-value buffer 'mysql-time 'mysql::year))
+ (month (uffi:get-slot-value buffer 'mysql-time 'mysql::month))
+ (day (uffi:get-slot-value buffer 'mysql-time 'mysql::day))
+ (hour (uffi:get-slot-value buffer 'mysql-time 'mysql::hour))
+ (minute (uffi:get-slot-value buffer 'mysql-time 'mysql::minute))
+ (second (uffi:get-slot-value buffer 'mysql-time 'mysql::second)))
+ (db-timestring
+ (make-time :year year :month month :day day :hour hour
+ :minute minute :second second))))
+ (t
+ (list type)))))))
+ rows)))
+
+
+
+
+#+mysql-client-v4.1
+(defmethod database-free-prepared ((stmt mysql-stmt))
+ (with-slots (stmt) stmt
+ (mysql-stmt-close stmt))
+ )
+
+
+;;; Database capabilities
+
+(defmethod db-type-use-column-on-drop-index? ((db-type (eql :mysql)))
+ t)
+
+(defmethod db-type-has-views? ((db-type (eql :mysql)))
+ #+mysql-client-v5 t
+ #-mysql-client-v5 nil)
+
+(defmethod db-type-has-subqueries? ((db-type (eql :mysql)))
+ #+(or mysql-client-v4.1 mysql-client-v5) t
+ #-(or mysql-client-v4.1 mysql-client-v5) nil)
+
+(defmethod db-type-has-boolean-where? ((db-type (eql :mysql)))
+ #+(or mysql-client-v4.1 mysql-client-v5) t
+ #-(or mysql-client-v4.1 mysql-client-v5) nil)
+
+(defmethod db-type-has-union? ((db-type (eql :mysql)))
+ (not (eql (schar mysql::*mysql-client-info* 0) #\3)))
+
+(defmethod db-type-transaction-capable? ((db-type (eql :mysql)) database)
+ (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto nil))))
+ (and tuple (string-equal "YES" (second tuple)))))
+
+(defmethod db-type-has-prepared-stmt? ((db-type (eql :mysql)))
+ #+(or mysql-client-v4.1 mysql-client-v5) t
+ #-(or mysql-client-v4.1 mysql-client-v5) nil)
+
+(when (clsql-sys:database-type-library-loaded :mysql)
+ (clsql-sys:initialize-database-type :database-type :mysql))
+
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