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
9 ;;;; This file, part of CLSQL, is Copyright (c) 2002-2010 by Kevin M. Rosenberg
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 ;;; Field conversion functions
25 (defun result-field-names (res-ptr)
27 (mysql-field-seek res-ptr 0)
29 (let ((field (mysql-fetch-field res-ptr)))
30 (when (uffi:null-pointer-p field) (return))
31 (push (uffi:convert-from-cstring (clsql-mysql-field-name field)) names)))
34 (defun make-type-list-for-auto (res-ptr)
35 (let ((new-types '()))
36 (mysql-field-seek res-ptr 0)
38 (let ((field (mysql-fetch-field res-ptr)))
39 (when (uffi:null-pointer-p field) (return))
40 (let* ((flags (clsql-mysql-field-flags field))
41 (unsigned (plusp (logand flags 32)))
42 (type (clsql-mysql-field-type field)))
45 ((#.mysql-field-types#tiny
46 #.mysql-field-types#short
47 #.mysql-field-types#int24)
51 (#.mysql-field-types#long
55 (#.mysql-field-types#longlong
59 ((#.mysql-field-types#double
60 #.mysql-field-types#float
61 #.mysql-field-types#decimal)
66 (nreverse new-types)))
68 (defun canonicalize-types (types res-ptr)
70 (let ((auto-list (make-type-list-for-auto res-ptr)))
73 (canonicalize-type-list types auto-list))
79 (defmethod database-initialize-database-type ((database-type (eql :mysql)))
82 ;;(uffi:def-type mysql-mysql-ptr-def (* mysql-mysql))
83 ;;(uffi:def-type mysql-mysql-res-ptr-def (* mysql-mysql-res))
84 (uffi:def-type mysql-mysql-ptr-def mysql-mysql)
85 (uffi:def-type mysql-mysql-res-ptr-def mysql-mysql-res)
86 (uffi:def-type mysql-row-def mysql-row)
88 (defclass mysql-database (database)
89 ((mysql-ptr :accessor database-mysql-ptr :initarg :mysql-ptr
90 :type mysql-mysql-ptr-def)
91 (server-info :accessor database-server-info :initarg :server-info
94 (defmethod database-type ((database mysql-database))
97 (defmethod database-name-from-spec (connection-spec (database-type (eql :mysql)))
98 (check-connection-spec connection-spec database-type
99 (host db user password &optional port options))
100 (destructuring-bind (host db user password &optional port options) connection-spec
101 (declare (ignore password options))
105 (pathname (namestring host))
111 (integer (write-to-string port))
116 (defun lookup-option-code (option)
117 (if (assoc option +mysql-option-parameter-map+)
118 (symbol-value (intern
119 (concatenate 'string (symbol-name-default-case "mysql-option#")
120 (symbol-name option))
121 (symbol-name '#:mysql)))
123 (warn "Unknown mysql option name ~A - ignoring.~%" option)
126 (defun set-mysql-options (mysql-ptr options)
127 (flet ((lookup-option-type (option)
128 (cdr (assoc option +mysql-option-parameter-map+))))
129 (dolist (option options)
131 (let ((option-code (lookup-option-code option)))
133 (mysql-options mysql-ptr option-code uffi:+null-cstring-pointer+)))
134 (destructuring-bind (name . value) option
135 (let ((option-code (lookup-option-code name)))
137 (case (lookup-option-type name)
139 (mysql-options mysql-ptr option-code uffi:+null-cstring-pointer+))
142 (uffi:with-foreign-string (fs value)
143 (mysql-options mysql-ptr option-code fs))
144 (warn "Expecting string argument for mysql option ~A, got ~A ~
149 (uffi:with-foreign-object (fo :unsigned-int)
150 (setf (uffi:deref-pointer fo :unsigned-int) value)
151 (mysql-options mysql-ptr option-code fo))
152 (warn "Expecting integer argument for mysql option ~A, got ~A ~
156 (uffi:with-foreign-object (fo :byte)
157 (setf (uffi:deref-pointer fo :byte)
158 (if (or (zerop value) (null value))
161 (mysql-options mysql-ptr option-code fo)))))))))))
163 (defmethod database-connect (connection-spec (database-type (eql :mysql)))
164 (check-connection-spec connection-spec database-type
165 (host db user password &optional port options))
166 (destructuring-bind (host db user password &optional port options) connection-spec
167 (let ((mysql-ptr (mysql-init (uffi:make-null-pointer 'mysql-mysql)))
169 (if (uffi:null-pointer-p mysql-ptr)
170 (error 'sql-connection-error
171 :database-type database-type
172 :connection-spec connection-spec
173 :error-id (mysql-errno mysql-ptr)
174 :message (mysql-error-string mysql-ptr))
175 (uffi:with-cstrings ((host-native host)
177 (password-native password)
179 (socket-native socket))
181 (set-mysql-options mysql-ptr options))
182 (let ((error-occurred nil))
184 (if (uffi:null-pointer-p
186 mysql-ptr host-native user-native password-native
191 (string (parse-integer port)))
194 (setq error-occurred t)
195 (error 'sql-connection-error
196 :database-type database-type
197 :connection-spec connection-spec
198 :error-id (mysql-errno mysql-ptr)
199 :message (mysql-error-string mysql-ptr)))
201 (make-instance 'mysql-database
202 :name (database-name-from-spec connection-spec
204 :database-type :mysql
205 :connection-spec connection-spec
206 :server-info (uffi:convert-from-cstring
207 (mysql:mysql-get-server-info mysql-ptr))
208 :mysql-ptr mysql-ptr))
209 (cmd "SET SESSION sql_mode='ANSI'"))
210 (uffi:with-cstring (cmd-cs cmd)
211 (if (zerop (mysql-real-query mysql-ptr cmd-cs (uffi:foreign-encoded-octet-count
212 cmd :encoding (encoding db))))
215 (warn "Error setting ANSI mode for MySQL.")
217 (when error-occurred (mysql-close mysql-ptr)))))))))
220 (defmethod database-disconnect ((database mysql-database))
221 (mysql-close (database-mysql-ptr database))
222 (setf (database-mysql-ptr database) nil)
225 (defmethod database-execute-command (sql-expression (database mysql-database))
226 (uffi:with-cstring (sql-native sql-expression)
227 (let ((mysql-ptr (database-mysql-ptr database)))
228 (declare (type mysql-mysql-ptr-def mysql-ptr))
229 (if (zerop (mysql-real-query mysql-ptr sql-native
230 (uffi:foreign-encoded-octet-count
231 sql-expression :encoding (encoding database))))
233 (error 'sql-database-data-error
235 :expression sql-expression
236 :error-id (mysql-errno mysql-ptr)
237 :message (mysql-error-string mysql-ptr))))))
240 (defmethod database-query (query-expression (database mysql-database)
241 result-types field-names)
242 (declare (optimize (speed 3) (safety 0) (debug 0) (space 0)))
243 (let ((mysql-ptr (database-mysql-ptr database)))
244 (declare (type mysql-mysql-ptr-def mysql-ptr))
245 (when (database-execute-command query-expression database)
246 (let ((res-ptr (mysql-use-result mysql-ptr)))
247 (declare (type mysql-mysql-res-ptr-def res-ptr))
248 (if (and res-ptr (not (uffi:null-pointer-p res-ptr)))
250 (let ((num-fields (mysql-num-fields res-ptr)))
251 (declare (fixnum num-fields))
252 (setq result-types (canonicalize-types
253 result-types res-ptr))
255 (loop for row = (mysql-fetch-row res-ptr)
256 for lengths = (mysql-fetch-lengths res-ptr)
257 until (uffi:null-pointer-p row)
259 (do* ((rlist (make-list num-fields))
261 (pos rlist (cdr pos)))
262 ((= i num-fields) rlist)
266 (uffi:deref-array row '(:array
271 (uffi:deref-array lengths '(:array :unsigned-long) i)
272 :encoding (encoding database)))))
274 (result-field-names res-ptr))))
275 (mysql-free-result res-ptr))
276 (unless (zerop (mysql-errno mysql-ptr))
277 ;;from http://dev.mysql.com/doc/refman/5.0/en/mysql-field-count.html
278 ;; if mysql_use_result or mysql_store_result return a null ptr,
279 ;; we use a mysql_errno check to see if it had a problem or just
280 ;; was a query without a result. If no error, just return nil.
281 (error 'sql-database-data-error
283 :expression query-expression
284 :error-id (mysql-errno mysql-ptr)
285 :message (mysql-error-string mysql-ptr))))))))
288 (defstruct mysql-result-set
289 (res-ptr (uffi:make-null-pointer 'mysql-mysql-res) :type mysql-mysql-res-ptr-def)
290 (types nil :type list)
291 (num-fields 0 :type fixnum)
292 (full-set nil :type boolean))
295 (defmethod database-query-result-set ((query-expression string)
296 (database mysql-database)
297 &key full-set result-types)
298 (let ((mysql-ptr (database-mysql-ptr database)))
299 (declare (type mysql-mysql-ptr-def mysql-ptr))
300 (when (database-execute-command query-expression database)
301 (let ((res-ptr (if full-set
302 (mysql-store-result mysql-ptr)
303 (mysql-use-result mysql-ptr))))
304 (declare (type mysql-mysql-res-ptr-def res-ptr))
305 (if (not (uffi:null-pointer-p res-ptr))
306 (let* ((num-fields (mysql-num-fields res-ptr))
307 (result-set (make-mysql-result-set
309 :num-fields num-fields
313 result-types res-ptr))))
317 (mysql-num-rows res-ptr))
320 (error 'sql-database-data-error
322 :expression query-expression
323 :error-id (mysql-errno mysql-ptr)
324 :message (mysql-error-string mysql-ptr))))
327 (defmethod database-dump-result-set (result-set (database mysql-database))
328 (mysql-free-result (mysql-result-set-res-ptr result-set))
332 (defmethod database-store-next-row (result-set (database mysql-database) list)
333 (let* ((res-ptr (mysql-result-set-res-ptr result-set))
334 (row (mysql-fetch-row res-ptr))
335 (lengths (mysql-fetch-lengths res-ptr))
336 (types (mysql-result-set-types result-set)))
337 (declare (type mysql-mysql-res-ptr-def res-ptr)
338 (type mysql-row-def row))
339 (unless (uffi:null-pointer-p row)
340 (loop for i from 0 below (mysql-result-set-num-fields result-set)
345 (uffi:deref-array row '(:array (* :unsigned-char)) i)
348 (uffi:deref-array lengths '(:array :unsigned-long) i)
349 :encoding (encoding database))))
353 ;; Table and attribute introspection
355 (defmethod database-list-tables ((database mysql-database) &key (owner nil))
356 (declare (ignore owner))
358 ((eql #\5 (char (database-server-info database) 0))
359 (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
360 when (and (string-equal type "base table")
361 (not (and (>= (length name) 11)
362 (string-equal (subseq name 0 11) "_CLSQL_SEQ_"))))
365 (remove-if #'(lambda (s)
366 (and (>= (length s) 11)
367 (string-equal (subseq s 0 11) "_CLSQL_SEQ_")))
368 (mapcar #'car (database-query "SHOW TABLES" database nil nil))))))
370 (defmethod database-list-views ((database mysql-database)
372 (declare (ignore owner))
374 ((eql #\5 (char (database-server-info database) 0))
375 (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
376 when (string-equal type "view")
381 (defmethod database-list-indexes ((database mysql-database)
384 (dolist (table (database-list-tables database :owner owner) result)
386 (append (database-list-table-indexes table database :owner owner)
389 (defmethod database-list-table-indexes (table (database mysql-database)
391 (declare (ignore owner))
393 (rows (database-query
394 (format nil "SHOW INDEX FROM ~A" table)
397 ((null rows) (nreverse results))
398 (let ((col (nth 2 (car rows))))
399 (unless (find col results :test #'string-equal)
400 (push col results)))))
402 (defmethod database-list-attributes ((table string) (database mysql-database)
404 (declare (ignore owner))
407 (format nil "SHOW COLUMNS FROM ~A" table)
410 (defmethod database-attribute-type (attribute (table string)
411 (database mysql-database)
413 (declare (ignore owner))
414 (let ((row (car (database-query
416 "SHOW COLUMNS FROM ~A LIKE '~A'" table attribute)
418 (let* ((raw-type (second row))
420 (start-length (position #\( raw-type))
421 (type (if start-length
422 (subseq raw-type 0 start-length)
424 (length (when start-length
425 (parse-integer (subseq raw-type (1+ start-length))
428 (values (ensure-keyword type) length nil (if (string-equal null "YES") 1 0))))))
430 ;;; Sequence functions
432 (defun %sequence-name-to-table (sequence-name)
433 (concatenate 'string "_CLSQL_SEQ_" (sql-escape sequence-name)))
435 (defun %table-name-to-sequence-name (table-name)
436 (and (>= (length table-name) 11)
437 (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_")
438 (subseq table-name 11)))
440 (defmethod database-create-sequence (sequence-name
441 (database mysql-database))
442 (let ((table-name (%sequence-name-to-table sequence-name)))
443 (database-execute-command
444 (concatenate 'string "CREATE TABLE " table-name
445 " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
447 (database-execute-command
448 (concatenate 'string "INSERT INTO " table-name
452 (defmethod database-drop-sequence (sequence-name
453 (database mysql-database))
454 (database-execute-command
455 (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
458 (defmethod database-list-sequences ((database mysql-database)
460 (declare (ignore owner))
461 (mapcan #'(lambda (s)
462 (let ((sn (%table-name-to-sequence-name (car s))))
464 (database-query "SHOW TABLES" database nil nil)))
466 (defmethod database-set-sequence-position (sequence-name
468 (database mysql-database))
469 (database-execute-command
470 (format nil "UPDATE ~A SET id=~A" (%sequence-name-to-table sequence-name)
473 (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database)))
475 (defmethod database-sequence-next (sequence-name (database mysql-database))
477 (database-execute-command
478 (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name)
479 " SET id=LAST_INSERT_ID(id+1)")
481 (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database))))
483 (defmethod database-sequence-last (sequence-name (database mysql-database))
485 (caar (database-query
486 (concatenate 'string "SELECT id from "
487 (%sequence-name-to-table sequence-name))
488 database :auto nil))))
490 (defmethod database-last-auto-increment-id ((database mysql-database) table column)
491 (declare (ignore table column))
492 (car (query "SELECT LAST_INSERT_ID();"
493 :flatp t :field-names nil
494 :database database)))
496 (defmethod database-create (connection-spec (type (eql :mysql)))
497 (destructuring-bind (host name user password) connection-spec
498 (let ((database (database-connect (list host "" user password)
500 (setf (slot-value database 'clsql-sys::state) :open)
502 (database-execute-command (format nil "create database ~A" name) database)
503 (database-disconnect database)))))
505 (defmethod database-destroy (connection-spec (type (eql :mysql)))
506 (destructuring-bind (host name user password) connection-spec
507 (let ((database (database-connect (list host "" user password)
509 (setf (slot-value database 'clsql-sys::state) :open)
511 (database-execute-command (format nil "drop database ~A" name) database)
512 (database-disconnect database)))))
514 (defmethod database-probe (connection-spec (type (eql :mysql)))
515 (when (find (second connection-spec) (database-list connection-spec type)
516 :test #'string-equal)
519 (defmethod database-list (connection-spec (type (eql :mysql)))
520 (destructuring-bind (host name user password &optional port options) connection-spec
521 (declare (ignore options))
522 (let ((database (database-connect (list host (or name "mysql")
523 user password port) type)))
526 (setf (slot-value database 'clsql-sys::state) :open)
527 (mapcar #'car (database-query "show databases" database :auto nil)))
529 (database-disconnect database)
530 (setf (slot-value database 'clsql-sys::state) :closed))))))
533 ;;; Prepared statements
535 (defclass mysql-stmt ()
536 ((database :initarg :database :reader database)
537 (stmt :initarg :stmt :accessor stmt)
538 (input-bind :initarg :input-bind :reader input-bind)
539 (output-bind :initarg :output-bind :reader output-bind)
540 (types :initarg :types :reader types)
541 (result-set :initarg :result-set :reader result-set)
542 (num-fields :initarg :num-fields :reader num-fields)
543 (field-names :initarg :field-names :accessor stmt-field-names)
544 (length-ptr :initarg :length-ptr :reader length-ptr)
545 (is-null-ptr :initarg :is-null-ptr :reader is-null-ptr)
546 (result-types :initarg :result-types :reader result-types)))
548 (defun clsql-type->mysql-type (type)
550 ((in type :null) mysql-field-types#null)
551 ((in type :int :integer) mysql-field-types#long)
552 ((in type :short) mysql-field-types#short)
553 ((in type :bigint) mysql-field-types#longlong)
554 ((in type :float :double :number) mysql-field-types#double)
555 ((and (consp type) (in (car type) :char :string :varchar)) mysql-field-types#var-string)
556 ((or (eq type :blob) (and (consp type) (in (car type) :blob))) mysql-field-types#var-string)
558 (error 'sql-user-error
560 (format nil "Unknown clsql type ~A." type)))))
563 (defmethod database-prepare (sql-stmt types (database mysql-database) result-types field-names)
564 (let* ((mysql-ptr (database-mysql-ptr database))
565 (stmt (mysql-stmt-init mysql-ptr)))
566 (when (uffi:null-pointer-p stmt)
567 (error 'sql-database-error
568 :error-id (mysql-errno mysql-ptr)
569 :message (mysql-error-string mysql-ptr)))
571 (uffi:with-cstring (native-query sql-stmt)
572 (unless (zerop (mysql-stmt-prepare stmt native-query (uffi:foreign-encoded-octet-count
573 sql-stmt :encoding (encoding database))))
574 (mysql-stmt-close stmt)
575 (error 'sql-database-error
576 :error-id (mysql-errno mysql-ptr)
577 :message (mysql-error-string mysql-ptr))))
579 (unless (= (mysql-stmt-param-count stmt) (length types))
580 (mysql-stmt-close stmt)
581 (error 'sql-database-error
583 (format nil "Mysql param count (~D) does not match number of types (~D)"
584 (mysql-stmt-param-count stmt) (length types))))
586 (let ((rs (mysql-stmt-result-metadata stmt)))
587 (when (uffi:null-pointer-p rs)
588 (warn "mysql_stmt_result_metadata returned NULL")
590 (mysql-stmt-close stmt)
592 (error 'sql-database-error
593 :message "mysql_stmt_result_metadata returned NULL"))
595 (let ((input-bind (uffi:allocate-foreign-object 'mysql-bind (length types)))
596 (mysql-types (mapcar 'clsql-type->mysql-type types))
597 field-vec num-fields is-null-ptr output-bind length-ptr)
600 (dotimes (i (length types))
601 (let* ((binding (uffi:deref-array input-bind '(:array mysql-bind) i)))
602 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type)
604 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)))
607 (unless (uffi:null-pointer-p rs)
608 (setq field-vec (mysql-fetch-fields rs)
609 num-fields (mysql-num-fields rs)
610 is-null-ptr (uffi:allocate-foreign-object :byte num-fields)
611 output-bind (uffi:allocate-foreign-object 'mysql-bind num-fields)
612 length-ptr (uffi:allocate-foreign-object :unsigned-long num-fields))
613 (dotimes (i num-fields)
615 (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
616 (type (uffi:get-slot-value field 'mysql-field 'type))
617 (binding (uffi:deref-array output-bind '(:array mysql-bind) i)))
618 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type) type)
620 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)
621 #+need-to-allocate-foreign-object-for-this
622 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::is-null)
623 (+ i (uffi:pointer-address is-null-ptr)))
624 #+need-to-allocate-foreign-object-for-this
625 (setf (uffi:get-slot-value binding 'mysql-bind 'length)
626 (+ (* i 8) (uffi:pointer-address length-ptr)))
629 ((#.mysql-field-types#var-string #.mysql-field-types#string
630 #.mysql-field-types#tiny-blob #.mysql-field-types#blob
631 #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
632 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 1024)
633 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
634 (uffi:allocate-foreign-object :unsigned-char 1024)))
635 (#.mysql-field-types#tiny
636 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
637 (uffi:allocate-foreign-object :byte)))
638 (#.mysql-field-types#short
639 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
640 (uffi:allocate-foreign-object :short)))
641 (#.mysql-field-types#long
642 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
643 ;; segfaults if supply :int on amd64
644 (uffi:allocate-foreign-object :long)))
646 (#.mysql-field-types#longlong
647 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
648 (uffi:allocate-foreign-object :long)))
649 (#.mysql-field-types#float
650 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
651 (uffi:allocate-foreign-object :float)))
652 (#.mysql-field-types#double
653 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
654 (uffi:allocate-foreign-object :double)))
655 ((#.mysql-field-types#time #.mysql-field-types#date
656 #.mysql-field-types#datetime #.mysql-field-types#timestamp)
657 (uffi:allocate-foreign-object 'mysql-time))
659 (error "mysql type ~D not supported." type)))))
661 (unless (zerop (mysql-stmt-bind-result stmt output-bind))
662 (mysql-stmt-close stmt)
663 (error 'sql-database-error
664 :error-id (mysql-stmt-errno stmt)
665 :message (uffi:convert-from-cstring
666 (mysql-stmt-error stmt)))))
668 (make-instance 'mysql-stmt
671 :num-fields num-fields
672 :input-bind input-bind
673 :output-bind output-bind
675 :result-types result-types
676 :length-ptr length-ptr
677 :is-null-ptr is-null-ptr
679 :field-names field-names)))))
682 (defmethod database-bind-parameter ((stmt mysql-stmt) position value)
683 ;; FIXME: will need to allocate bind structure. This should probably be
684 ;; done in C since the API is not mature and may change
685 (let ((binding (uffi:deref-array (input-bind stmt) '(:array mysql-bind) (1- position)))
686 (type (nth (1- position) (types stmt))))
687 (setf (uffi:get-slot-value binding 'mysql-bind 'length) 0)
690 (when (is-null-ptr stmt)
691 (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 1)))
693 (when (is-null-ptr stmt)
694 (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 0))
696 (#.mysql-field-types#long
697 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer) value))
699 (warn "Unknown input bind type ~D." type))
703 (defmethod database-run-prepared ((stmt mysql-stmt))
705 (when (input-bind stmt)
706 (unless (zerop (mysql-stmt-bind-param (stmt stmt) (input-bind stmt)))
707 (error 'sql-database-error
708 :error-id (mysql-stmt-errno (stmt stmt))
709 :message (uffi:convert-from-cstring
710 (mysql-stmt-error (stmt stmt))))))
712 (unless (zerop (mysql-stmt-execute (stmt stmt)))
713 (error 'sql-database-error
714 :error-id (mysql-stmt-errno (stmt stmt))
715 :message (uffi:convert-from-cstring
716 (mysql-stmt-error (stmt stmt)))))
718 (unless (zerop (mysql-stmt-store-result (stmt stmt)))
719 (error 'sql-database-error
720 :error-id (mysql-stmt-errno (stmt stmt))
721 :message (uffi:convert-from-cstring
722 (mysql-stmt-error (stmt stmt)))))
723 (database-fetch-prepared-rows stmt))
726 (defun database-fetch-prepared-rows (stmt)
727 (do ((rc (mysql-stmt-fetch (stmt stmt)) (mysql-stmt-fetch (stmt stmt)))
728 (num-fields (num-fields stmt))
730 ((not (zerop rc)) (nreverse rows))
732 (loop for i from 0 below num-fields
735 (not (zerop (uffi:ensure-char-integer
736 (uffi:deref-array (is-null-ptr stmt) '(:array :byte) i))))))
738 (let* ((bind (uffi:deref-array (output-bind stmt) '(:array mysql-bind) i))
739 (type (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer-type))
740 (buffer (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer)))
742 ((#.mysql-field-types#var-string #.mysql-field-types#string
743 #.mysql-field-types#tiny-blob #.mysql-field-types#blob
744 #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
745 (uffi:convert-from-foreign-string buffer :encoding (encoding (database stmt))))
746 (#.mysql-field-types#tiny
747 (uffi:ensure-char-integer
748 (uffi:deref-pointer buffer :byte)))
749 (#.mysql-field-types#short
750 (uffi:deref-pointer buffer :short))
751 (#.mysql-field-types#long
752 (uffi:deref-pointer buffer :int))
754 (#.mysql-field-types#longlong
755 (uffi:deref-pointer buffer :long))
756 (#.mysql-field-types#float
757 (uffi:deref-pointer buffer :float))
758 (#.mysql-field-types#double
759 (uffi:deref-pointer buffer :double))
760 ((#.mysql-field-types#time #.mysql-field-types#date
761 #.mysql-field-types#datetime #.mysql-field-types#timestamp)
762 (let ((year (uffi:get-slot-value buffer 'mysql-time 'mysql::year))
763 (month (uffi:get-slot-value buffer 'mysql-time 'mysql::month))
764 (day (uffi:get-slot-value buffer 'mysql-time 'mysql::day))
765 (hour (uffi:get-slot-value buffer 'mysql-time 'mysql::hour))
766 (minute (uffi:get-slot-value buffer 'mysql-time 'mysql::minute))
767 (second (uffi:get-slot-value buffer 'mysql-time 'mysql::second)))
769 (make-time :year year :month month :day day :hour hour
770 :minute minute :second second))))
779 (defmethod database-free-prepared ((stmt mysql-stmt))
780 (with-slots (stmt) stmt
781 (mysql-stmt-close stmt))
785 ;;; Database capabilities
787 (defmethod db-type-use-column-on-drop-index? ((db-type (eql :mysql)))
790 (defmethod db-type-has-views? ((db-type (eql :mysql)))
792 #-mysql-client-v5 nil)
794 (defmethod db-type-has-subqueries? ((db-type (eql :mysql)))
795 #+(or mysql-client-v4.1 mysql-client-v5) t
796 #-(or mysql-client-v4.1 mysql-client-v5) nil)
798 (defmethod db-type-has-boolean-where? ((db-type (eql :mysql)))
799 #+(or mysql-client-v4.1 mysql-client-v5) t
800 #-(or mysql-client-v4.1 mysql-client-v5) nil)
802 (defmethod db-type-has-union? ((db-type (eql :mysql)))
803 (not (eql (schar mysql::*mysql-client-info* 0) #\3)))
805 (defmethod db-type-transaction-capable? ((db-type (eql :mysql)) database)
806 (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto nil))))
807 (and tuple (string-equal "YES" (second tuple)))))
809 (defmethod db-type-has-prepared-stmt? ((db-type (eql :mysql)))
810 #+(or mysql-client-v4.1 mysql-client-v5) t
811 #-(or mysql-client-v4.1 mysql-client-v5) nil)
813 (defmethod db-type-has-auto-increment? ((db-type (eql :mysql)))
816 (when (clsql-sys:database-type-library-loaded :mysql)
817 (clsql-sys:initialize-database-type :database-type :mysql))