1 ;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
2 ;;;; *************************************************************************
3 ;;;; FILE IDENTIFICATION
5 ;;;; Name: mysql-sql.lisp
6 ;;;; Purpose: High-level MySQL interface using UFFI
7 ;;;; Date Started: Feb 2002
11 ;;;; CLSQL users are granted the rights to distribute and use this software
12 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
13 ;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
14 ;;;; *************************************************************************
16 (defpackage #:clsql-mysql
17 (:use #:common-lisp #:clsql-sys #:mysql #:clsql-uffi)
18 (:export #:mysql-database)
19 (:documentation "This is the CLSQL interface to MySQL."))
21 (in-package #:clsql-mysql)
23 ;; if we have :sb-unicode, UFFI will treat :cstring as a UTF-8 string
24 (defun expression-length (query-expression)
25 (length #+sb-unicode (sb-ext:string-to-octets query-expression
26 :external-format :utf8)
27 #-sb-unicode query-expression))
29 ;;; Field conversion functions
31 (defun result-field-names (num-fields res-ptr)
32 (declare (fixnum num-fields))
34 (field-vec (mysql-fetch-fields res-ptr)))
35 (dotimes (i num-fields)
37 (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
38 (name (uffi:convert-from-foreign-string
39 (uffi:get-slot-value field 'mysql-field 'mysql::name))))
43 (defun make-type-list-for-auto (num-fields res-ptr)
44 (declare (fixnum num-fields))
46 (field-vec (mysql-fetch-fields res-ptr)))
47 (dotimes (i num-fields)
49 (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
50 (flags (uffi:get-slot-value field 'mysql-field 'mysql::flags))
51 (unsigned (plusp (logand flags 32)))
52 (type (uffi:get-slot-value field 'mysql-field 'type)))
55 ((#.mysql-field-types#tiny
56 #.mysql-field-types#short
57 #.mysql-field-types#int24)
61 (#.mysql-field-types#long
65 (#.mysql-field-types#longlong
69 ((#.mysql-field-types#double
70 #.mysql-field-types#float
71 #.mysql-field-types#decimal)
76 (nreverse new-types)))
78 (defun canonicalize-types (types num-fields res-ptr)
80 (let ((auto-list (make-type-list-for-auto num-fields res-ptr)))
83 (canonicalize-type-list types auto-list))
89 (defmethod database-initialize-database-type ((database-type (eql :mysql)))
92 (uffi:def-type mysql-mysql-ptr-def (* mysql-mysql))
93 (uffi:def-type mysql-row-def mysql-row)
94 (uffi:def-type mysql-mysql-res-ptr-def (* mysql-mysql-res))
96 (defclass mysql-database (database)
97 ((mysql-ptr :accessor database-mysql-ptr :initarg :mysql-ptr
98 :type mysql-mysql-ptr-def)
99 (server-info :accessor database-server-info :initarg :server-info
102 (defmethod database-type ((database mysql-database))
105 (defmethod database-name-from-spec (connection-spec (database-type (eql :mysql)))
106 (check-connection-spec connection-spec database-type
107 (host db user password &optional port))
108 (destructuring-bind (host db user password &optional port) connection-spec
109 (declare (ignore password))
113 (pathname (namestring host))
119 (integer (write-to-string port))
124 (defmethod database-connect (connection-spec (database-type (eql :mysql)))
125 (check-connection-spec connection-spec database-type
126 (host db user password &optional port))
127 (destructuring-bind (host db user password &optional port) connection-spec
128 (let ((mysql-ptr (mysql-init (uffi:make-null-pointer 'mysql-mysql)))
130 (if (uffi:null-pointer-p mysql-ptr)
131 (error 'sql-connection-error
132 :database-type database-type
133 :connection-spec connection-spec
134 :error-id (mysql-errno mysql-ptr)
135 :message (mysql-error-string mysql-ptr))
136 (uffi:with-cstrings ((host-native host)
138 (password-native password)
140 (socket-native socket))
141 (let ((error-occurred nil))
143 (if (uffi:null-pointer-p
145 mysql-ptr host-native user-native password-native
150 (string (parse-integer port)))
153 (setq error-occurred t)
154 (error 'sql-connection-error
155 :database-type database-type
156 :connection-spec connection-spec
157 :error-id (mysql-errno mysql-ptr)
158 :message (mysql-error-string mysql-ptr)))
160 (make-instance 'mysql-database
161 :name (database-name-from-spec connection-spec
163 :database-type :mysql
164 :connection-spec connection-spec
165 :server-info (uffi:convert-from-cstring
166 (mysql:mysql-get-server-info mysql-ptr))
167 :mysql-ptr mysql-ptr))
168 (cmd "SET SESSION sql_mode='ANSI'"))
169 (uffi:with-cstring (cmd-cs cmd)
170 (if (zerop (mysql-real-query mysql-ptr cmd-cs (expression-length cmd)))
173 (warn "Error setting ANSI mode for MySQL.")
175 (when error-occurred (mysql-close mysql-ptr)))))))))
178 (defmethod database-disconnect ((database mysql-database))
179 (mysql-close (database-mysql-ptr database))
180 (setf (database-mysql-ptr database) nil)
184 (defmethod database-query (query-expression (database mysql-database)
185 result-types field-names)
186 (declare (optimize (speed 3) (safety 0) (debug 0) (space 0)))
187 (let ((mysql-ptr (database-mysql-ptr database)))
188 (uffi:with-cstring (query-native query-expression)
189 (if (zerop (mysql-real-query mysql-ptr query-native
190 (expression-length query-expression)))
191 (let ((res-ptr (mysql-use-result mysql-ptr)))
194 (let ((num-fields (mysql-num-fields res-ptr)))
195 (declare (fixnum num-fields))
196 (setq result-types (canonicalize-types
197 result-types num-fields
200 (loop for row = (mysql-fetch-row res-ptr)
201 for lengths = (mysql-fetch-lengths res-ptr)
202 until (uffi:null-pointer-p row)
204 (do* ((rlist (make-list num-fields))
206 (pos rlist (cdr pos)))
207 ((= i num-fields) rlist)
211 (uffi:deref-array row '(:array
215 (uffi:deref-array lengths '(:array :unsigned-long)
218 (result-field-names num-fields res-ptr))))
219 (mysql-free-result res-ptr))
220 (error 'sql-database-data-error
222 :expression query-expression
223 :error-id (mysql-errno mysql-ptr)
224 :message (mysql-error-string mysql-ptr))))
225 (error 'sql-database-data-error
227 :expression query-expression
228 :error-id (mysql-errno mysql-ptr)
229 :message (mysql-error-string mysql-ptr))))))
231 (defmethod database-execute-command (sql-expression (database mysql-database))
232 (uffi:with-cstring (sql-native sql-expression)
233 (let ((mysql-ptr (database-mysql-ptr database)))
234 (declare (type mysql-mysql-ptr-def mysql-ptr))
235 (if (zerop (mysql-real-query mysql-ptr sql-native
236 (expression-length sql-expression)))
238 (error 'sql-database-data-error
240 :expression sql-expression
241 :error-id (mysql-errno mysql-ptr)
242 :message (mysql-error-string mysql-ptr))))))
245 (defstruct mysql-result-set
246 (res-ptr (uffi:make-null-pointer 'mysql-mysql-res) :type mysql-mysql-res-ptr-def)
247 (types nil :type list)
248 (num-fields 0 :type fixnum)
249 (full-set nil :type boolean))
252 (defmethod database-query-result-set ((query-expression string)
253 (database mysql-database)
254 &key full-set result-types)
255 (uffi:with-cstring (query-native query-expression)
256 (let ((mysql-ptr (database-mysql-ptr database)))
257 (declare (type mysql-mysql-ptr-def mysql-ptr))
258 (if (zerop (mysql-real-query mysql-ptr query-native
259 (expression-length query-expression)))
260 (let ((res-ptr (if full-set
261 (mysql-store-result mysql-ptr)
262 (mysql-use-result mysql-ptr))))
263 (declare (type mysql-mysql-res-ptr-def res-ptr))
264 (if (not (uffi:null-pointer-p res-ptr))
265 (let* ((num-fields (mysql-num-fields res-ptr))
266 (result-set (make-mysql-result-set
268 :num-fields num-fields
272 result-types num-fields
277 (mysql-num-rows res-ptr))
280 (error 'sql-database-data-error
282 :expression query-expression
283 :error-id (mysql-errno mysql-ptr)
284 :message (mysql-error-string mysql-ptr))))
285 (error 'sql-database-data-error
287 :expression query-expression
288 :error-id (mysql-errno mysql-ptr)
289 :message (mysql-error-string mysql-ptr))))))
291 (defmethod database-dump-result-set (result-set (database mysql-database))
292 (mysql-free-result (mysql-result-set-res-ptr result-set))
296 (defmethod database-store-next-row (result-set (database mysql-database) list)
297 (let* ((res-ptr (mysql-result-set-res-ptr result-set))
298 (row (mysql-fetch-row res-ptr))
299 (lengths (mysql-fetch-lengths res-ptr))
300 (types (mysql-result-set-types result-set)))
301 (declare (type mysql-mysql-res-ptr-def res-ptr)
302 (type mysql-row-def row))
303 (unless (uffi:null-pointer-p row)
304 (loop for i from 0 below (mysql-result-set-num-fields result-set)
309 (uffi:deref-array row '(:array (* :unsigned-char)) i)
312 (uffi:deref-array lengths '(:array :unsigned-long) i))))
316 ;; Table and attribute introspection
318 (defmethod database-list-tables ((database mysql-database) &key (owner nil))
319 (declare (ignore owner))
321 ((eql #\5 (char (database-server-info database) 0))
322 (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
323 when (and (string-equal type "base table")
324 (not (and (>= (length name) 11)
325 (string-equal (subseq name 0 11) "_CLSQL_SEQ_"))))
328 (remove-if #'(lambda (s)
329 (and (>= (length s) 11)
330 (string-equal (subseq s 0 11) "_CLSQL_SEQ_")))
331 (mapcar #'car (database-query "SHOW TABLES" database nil nil))))))
333 (defmethod database-list-views ((database mysql-database)
335 (declare (ignore owner))
337 ((eql #\5 (char (database-server-info database) 0))
338 (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
339 when (string-equal type "view")
344 (defmethod database-list-indexes ((database mysql-database)
347 (dolist (table (database-list-tables database :owner owner) result)
349 (append (database-list-table-indexes table database :owner owner)
352 (defmethod database-list-table-indexes (table (database mysql-database)
354 (declare (ignore owner))
356 (rows (database-query
357 (format nil "SHOW INDEX FROM ~A" table)
360 ((null rows) (nreverse results))
361 (let ((col (nth 2 (car rows))))
362 (unless (find col results :test #'string-equal)
363 (push col results)))))
365 (defmethod database-list-attributes ((table string) (database mysql-database)
367 (declare (ignore owner))
370 (format nil "SHOW COLUMNS FROM ~A" table)
373 (defmethod database-attribute-type (attribute (table string)
374 (database mysql-database)
376 (declare (ignore owner))
377 (let ((row (car (database-query
379 "SHOW COLUMNS FROM ~A LIKE '~A'" table attribute)
381 (let* ((raw-type (second row))
383 (start-length (position #\( raw-type))
384 (type (if start-length
385 (subseq raw-type 0 start-length)
387 (length (when start-length
388 (parse-integer (subseq raw-type (1+ start-length))
391 (values (ensure-keyword type) length nil (if (string-equal null "YES") 1 0))))))
393 ;;; Sequence functions
395 (defun %sequence-name-to-table (sequence-name)
396 (concatenate 'string "_CLSQL_SEQ_" (sql-escape sequence-name)))
398 (defun %table-name-to-sequence-name (table-name)
399 (and (>= (length table-name) 11)
400 (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_")
401 (subseq table-name 11)))
403 (defmethod database-create-sequence (sequence-name
404 (database mysql-database))
405 (let ((table-name (%sequence-name-to-table sequence-name)))
406 (database-execute-command
407 (concatenate 'string "CREATE TABLE " table-name
408 " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
410 (database-execute-command
411 (concatenate 'string "INSERT INTO " table-name
415 (defmethod database-drop-sequence (sequence-name
416 (database mysql-database))
417 (database-execute-command
418 (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
421 (defmethod database-list-sequences ((database mysql-database)
423 (declare (ignore owner))
424 (mapcan #'(lambda (s)
425 (let ((sn (%table-name-to-sequence-name (car s))))
427 (database-query "SHOW TABLES" database nil nil)))
429 (defmethod database-set-sequence-position (sequence-name
431 (database mysql-database))
432 (database-execute-command
433 (format nil "UPDATE ~A SET id=~A" (%sequence-name-to-table sequence-name)
436 (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database)))
438 (defmethod database-sequence-next (sequence-name (database mysql-database))
440 (database-execute-command
441 (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name)
442 " SET id=LAST_INSERT_ID(id+1)")
444 (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database))))
446 (defmethod database-sequence-last (sequence-name (database mysql-database))
448 (caar (database-query
449 (concatenate 'string "SELECT id from "
450 (%sequence-name-to-table sequence-name))
451 database :auto nil))))
453 (defmethod database-create (connection-spec (type (eql :mysql)))
454 (destructuring-bind (host name user password) connection-spec
455 (let ((database (database-connect (list host "" user password)
457 (setf (slot-value database 'clsql-sys::state) :open)
459 (database-execute-command (format nil "create database ~A" name) database)
460 (database-disconnect database)))))
462 (defmethod database-destroy (connection-spec (type (eql :mysql)))
463 (destructuring-bind (host name user password) connection-spec
464 (let ((database (database-connect (list host "" user password)
466 (setf (slot-value database 'clsql-sys::state) :open)
468 (database-execute-command (format nil "drop database ~A" name) database)
469 (database-disconnect database)))))
471 (defmethod database-probe (connection-spec (type (eql :mysql)))
472 (when (find (second connection-spec) (database-list connection-spec type)
473 :test #'string-equal)
476 (defmethod database-list (connection-spec (type (eql :mysql)))
477 (destructuring-bind (host name user password &optional port) connection-spec
478 (let ((database (database-connect (list host (or name "mysql") user password port) type)))
481 (setf (slot-value database 'clsql-sys::state) :open)
482 (mapcar #'car (database-query "show databases" database :auto nil)))
484 (database-disconnect database)
485 (setf (slot-value database 'clsql-sys::state) :closed))))))
488 ;;; Prepared statements
490 (defclass mysql-stmt ()
491 ((database :initarg :database :reader database)
492 (stmt :initarg :stmt :accessor stmt)
493 (input-bind :initarg :input-bind :reader input-bind)
494 (output-bind :initarg :output-bind :reader output-bind)
495 (types :initarg :types :reader types)
496 (result-set :initarg :result-set :reader result-set)
497 (num-fields :initarg :num-fields :reader num-fields)
498 (field-names :initarg :field-names :accessor stmt-field-names)
499 (length-ptr :initarg :length-ptr :reader length-ptr)
500 (is-null-ptr :initarg :is-null-ptr :reader is-null-ptr)
501 (result-types :initarg :result-types :reader result-types)))
503 (defun clsql-type->mysql-type (type)
505 ((in type :null) mysql-field-types#null)
506 ((in type :int :integer) mysql-field-types#long)
507 ((in type :short) mysql-field-types#short)
508 ((in type :bigint) mysql-field-types#longlong)
509 ((in type :float :double :number) mysql-field-types#double)
510 ((and (consp type) (in (car type) :char :string :varchar)) mysql-field-types#var-string)
511 ((or (eq type :blob) (and (consp type) (in (car type) :blob))) mysql-field-types#var-string)
513 (error 'sql-user-error
515 (format nil "Unknown clsql type ~A." type)))))
518 (defmethod database-prepare (sql-stmt types (database mysql-database) result-types field-names)
519 (let* ((mysql-ptr (database-mysql-ptr database))
520 (stmt (mysql-stmt-init mysql-ptr)))
521 (when (uffi:null-pointer-p stmt)
522 (error 'sql-database-error
523 :error-id (mysql-errno mysql-ptr)
524 :message (mysql-error-string mysql-ptr)))
526 (uffi:with-cstring (native-query sql-stmt)
527 (unless (zerop (mysql-stmt-prepare stmt native-query (expression-length sql-stmt)))
528 (mysql-stmt-close stmt)
529 (error 'sql-database-error
530 :error-id (mysql-errno mysql-ptr)
531 :message (mysql-error-string mysql-ptr))))
533 (unless (= (mysql-stmt-param-count stmt) (length types))
534 (mysql-stmt-close stmt)
535 (error 'sql-database-error
537 (format nil "Mysql param count (~D) does not match number of types (~D)"
538 (mysql-stmt-param-count stmt) (length types))))
540 (let ((rs (mysql-stmt-result-metadata stmt)))
541 (when (uffi:null-pointer-p rs)
542 (warn "mysql_stmt_result_metadata returned NULL")
544 (mysql-stmt-close stmt)
546 (error 'sql-database-error
547 :message "mysql_stmt_result_metadata returned NULL"))
549 (let ((input-bind (uffi:allocate-foreign-object 'mysql-bind (length types)))
550 (mysql-types (mapcar 'clsql-type->mysql-type types))
551 field-vec num-fields is-null-ptr output-bind length-ptr)
554 (dotimes (i (length types))
555 (let* ((binding (uffi:deref-array input-bind '(:array mysql-bind) i)))
556 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type)
558 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)))
561 (unless (uffi:null-pointer-p rs)
562 (setq field-vec (mysql-fetch-fields rs)
563 num-fields (mysql-num-fields rs)
564 is-null-ptr (uffi:allocate-foreign-object :byte num-fields)
565 output-bind (uffi:allocate-foreign-object 'mysql-bind num-fields)
566 length-ptr (uffi:allocate-foreign-object :unsigned-long num-fields))
567 (dotimes (i num-fields)
569 (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
570 (type (uffi:get-slot-value field 'mysql-field 'type))
571 (binding (uffi:deref-array output-bind '(:array mysql-bind) i)))
572 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type) type)
574 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)
575 #+need-to-allocate-foreign-object-for-this
576 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::is-null)
577 (+ i (uffi:pointer-address is-null-ptr)))
578 #+need-to-allocate-foreign-object-for-this
579 (setf (uffi:get-slot-value binding 'mysql-bind 'length)
580 (+ (* i 8) (uffi:pointer-address length-ptr)))
583 ((#.mysql-field-types#var-string #.mysql-field-types#string
584 #.mysql-field-types#tiny-blob #.mysql-field-types#blob
585 #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
586 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 1024)
587 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
588 (uffi:allocate-foreign-object :unsigned-char 1024)))
589 (#.mysql-field-types#tiny
590 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
591 (uffi:allocate-foreign-object :byte)))
592 (#.mysql-field-types#short
593 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
594 (uffi:allocate-foreign-object :short)))
595 (#.mysql-field-types#long
596 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
597 ;; segfaults if supply :int on amd64
598 (uffi:allocate-foreign-object :long)))
600 (#.mysql-field-types#longlong
601 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
602 (uffi:allocate-foreign-object :long)))
603 (#.mysql-field-types#float
604 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
605 (uffi:allocate-foreign-object :float)))
606 (#.mysql-field-types#double
607 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
608 (uffi:allocate-foreign-object :double)))
609 ((#.mysql-field-types#time #.mysql-field-types#date
610 #.mysql-field-types#datetime #.mysql-field-types#timestamp)
611 (uffi:allocate-foreign-object 'mysql-time))
613 (error "mysql type ~D not supported." type)))))
615 (unless (zerop (mysql-stmt-bind-result stmt output-bind))
616 (mysql-stmt-close stmt)
617 (error 'sql-database-error
618 :error-id (mysql-stmt-errno stmt)
619 :message (uffi:convert-from-cstring
620 (mysql-stmt-error stmt)))))
622 (make-instance 'mysql-stmt
625 :num-fields num-fields
626 :input-bind input-bind
627 :output-bind output-bind
629 :result-types result-types
630 :length-ptr length-ptr
631 :is-null-ptr is-null-ptr
633 :field-names field-names)))))
636 (defmethod database-bind-parameter ((stmt mysql-stmt) position value)
637 ;; FIXME: will need to allocate bind structure. This should probably be
638 ;; done in C since the API is not mature and may change
639 (let ((binding (uffi:deref-array (input-bind stmt) '(:array mysql-bind) (1- position)))
640 (type (nth (1- position) (types stmt))))
641 (setf (uffi:get-slot-value binding 'mysql-bind 'length) 0)
644 (when (is-null-ptr stmt)
645 (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 1)))
647 (when (is-null-ptr stmt)
648 (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 0))
650 (#.mysql-field-types#long
651 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer) value))
653 (warn "Unknown input bind type ~D." type))
657 (defmethod database-run-prepared ((stmt mysql-stmt))
659 (when (input-bind stmt)
660 (unless (zerop (mysql-stmt-bind-param (stmt stmt) (input-bind stmt)))
661 (error 'sql-database-error
662 :error-id (mysql-stmt-errno (stmt stmt))
663 :message (uffi:convert-from-cstring
664 (mysql-stmt-error (stmt stmt))))))
666 (unless (zerop (mysql-stmt-execute (stmt stmt)))
667 (error 'sql-database-error
668 :error-id (mysql-stmt-errno (stmt stmt))
669 :message (uffi:convert-from-cstring
670 (mysql-stmt-error (stmt stmt)))))
672 (unless (zerop (mysql-stmt-store-result (stmt stmt)))
673 (error 'sql-database-error
674 :error-id (mysql-stmt-errno (stmt stmt))
675 :message (uffi:convert-from-cstring
676 (mysql-stmt-error (stmt stmt)))))
677 (database-fetch-prepared-rows stmt))
680 (defun database-fetch-prepared-rows (stmt)
681 (do ((rc (mysql-stmt-fetch (stmt stmt)) (mysql-stmt-fetch (stmt stmt)))
682 (num-fields (num-fields stmt))
684 ((not (zerop rc)) (nreverse rows))
686 (loop for i from 0 below num-fields
689 (not (zerop (uffi:ensure-char-integer
690 (uffi:deref-array (is-null-ptr stmt) '(:array :byte) i))))))
692 (let* ((bind (uffi:deref-array (output-bind stmt) '(:array mysql-bind) i))
693 (type (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer-type))
694 (buffer (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer)))
696 ((#.mysql-field-types#var-string #.mysql-field-types#string
697 #.mysql-field-types#tiny-blob #.mysql-field-types#blob
698 #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
699 (uffi:convert-from-foreign-string buffer))
700 (#.mysql-field-types#tiny
701 (uffi:ensure-char-integer
702 (uffi:deref-pointer buffer :byte)))
703 (#.mysql-field-types#short
704 (uffi:deref-pointer buffer :short))
705 (#.mysql-field-types#long
706 (uffi:deref-pointer buffer :int))
708 (#.mysql-field-types#longlong
709 (uffi:deref-pointer buffer :long))
710 (#.mysql-field-types#float
711 (uffi:deref-pointer buffer :float))
712 (#.mysql-field-types#double
713 (uffi:deref-pointer buffer :double))
714 ((#.mysql-field-types#time #.mysql-field-types#date
715 #.mysql-field-types#datetime #.mysql-field-types#timestamp)
716 (let ((year (uffi:get-slot-value buffer 'mysql-time 'mysql::year))
717 (month (uffi:get-slot-value buffer 'mysql-time 'mysql::month))
718 (day (uffi:get-slot-value buffer 'mysql-time 'mysql::day))
719 (hour (uffi:get-slot-value buffer 'mysql-time 'mysql::hour))
720 (minute (uffi:get-slot-value buffer 'mysql-time 'mysql::minute))
721 (second (uffi:get-slot-value buffer 'mysql-time 'mysql::second)))
723 (make-time :year year :month month :day day :hour hour
724 :minute minute :second second))))
733 (defmethod database-free-prepared ((stmt mysql-stmt))
734 (with-slots (stmt) stmt
735 (mysql-stmt-close stmt))
739 ;;; Database capabilities
741 (defmethod db-type-use-column-on-drop-index? ((db-type (eql :mysql)))
744 (defmethod db-type-has-views? ((db-type (eql :mysql)))
746 #-mysql-client-v5 nil)
748 (defmethod db-type-has-subqueries? ((db-type (eql :mysql)))
749 #+(or mysql-client-v4.1 mysql-client-v5) t
750 #-(or mysql-client-v4.1 mysql-client-v5) nil)
752 (defmethod db-type-has-boolean-where? ((db-type (eql :mysql)))
753 #+(or mysql-client-v4.1 mysql-client-v5) t
754 #-(or mysql-client-v4.1 mysql-client-v5) nil)
756 (defmethod db-type-has-union? ((db-type (eql :mysql)))
757 (not (eql (schar mysql::*mysql-client-info* 0) #\3)))
759 (defmethod db-type-transaction-capable? ((db-type (eql :mysql)) database)
760 (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto nil))))
761 (and tuple (string-equal "YES" (second tuple)))))
763 (defmethod db-type-has-prepared-stmt? ((db-type (eql :mysql)))
764 #+(or mysql-client-v4.1 mysql-client-v5) t
765 #-(or mysql-client-v4.1 mysql-client-v5) nil)
767 (when (clsql-sys:database-type-library-loaded :mysql)
768 (clsql-sys:initialize-database-type :database-type :mysql))