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) connection-spec
101 (declare (ignore password))
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+))
141 (uffi:with-foreign-string (fs value)
142 (mysql-options mysql-ptr option-code fs)))
144 (uffi:with-foreign-object (fo :unsigned-int)
145 (setf (uffi:deref-pointer fo :unsigned-int) value)
146 (mysql-options mysql-ptr option-code fo)))
148 (uffi:with-foreign-object (fo :byte)
149 (setf (uffi:deref-pointer fo :byte)
150 (if (or (zerop value) (null value))
153 (mysql-options mysql-ptr option-code fo)))))))))))
155 (defmethod database-connect (connection-spec (database-type (eql :mysql)))
156 (check-connection-spec connection-spec database-type
157 (host db user password &optional port options))
158 (destructuring-bind (host db user password &optional port options) connection-spec
159 (let ((mysql-ptr (mysql-init (uffi:make-null-pointer 'mysql-mysql)))
161 (if (uffi:null-pointer-p mysql-ptr)
162 (error 'sql-connection-error
163 :database-type database-type
164 :connection-spec connection-spec
165 :error-id (mysql-errno mysql-ptr)
166 :message (mysql-error-string mysql-ptr))
167 (uffi:with-cstrings ((host-native host)
169 (password-native password)
171 (socket-native socket))
173 (set-mysql-options mysql-ptr options))
174 (let ((error-occurred nil))
176 (if (uffi:null-pointer-p
178 mysql-ptr host-native user-native password-native
183 (string (parse-integer port)))
186 (setq error-occurred t)
187 (error 'sql-connection-error
188 :database-type database-type
189 :connection-spec connection-spec
190 :error-id (mysql-errno mysql-ptr)
191 :message (mysql-error-string mysql-ptr)))
193 (make-instance 'mysql-database
194 :name (database-name-from-spec connection-spec
196 :database-type :mysql
197 :connection-spec connection-spec
198 :server-info (uffi:convert-from-cstring
199 (mysql:mysql-get-server-info mysql-ptr))
200 :mysql-ptr mysql-ptr))
201 (cmd "SET SESSION sql_mode='ANSI'"))
202 (uffi:with-cstring (cmd-cs cmd)
203 (if (zerop (mysql-real-query mysql-ptr cmd-cs (uffi:foreign-encoded-octet-count
204 cmd :encoding (encoding db))))
207 (warn "Error setting ANSI mode for MySQL.")
209 (when error-occurred (mysql-close mysql-ptr)))))))))
212 (defmethod database-disconnect ((database mysql-database))
213 (mysql-close (database-mysql-ptr database))
214 (setf (database-mysql-ptr database) nil)
217 (defmethod database-execute-command (sql-expression (database mysql-database))
218 (uffi:with-cstring (sql-native sql-expression)
219 (let ((mysql-ptr (database-mysql-ptr database)))
220 (declare (type mysql-mysql-ptr-def mysql-ptr))
221 (if (zerop (mysql-real-query mysql-ptr sql-native
222 (uffi:foreign-encoded-octet-count
223 sql-expression :encoding (encoding database))))
225 (error 'sql-database-data-error
227 :expression sql-expression
228 :error-id (mysql-errno mysql-ptr)
229 :message (mysql-error-string mysql-ptr))))))
232 (defmethod database-query (query-expression (database mysql-database)
233 result-types field-names)
234 (declare (optimize (speed 3) (safety 0) (debug 0) (space 0)))
235 (let ((mysql-ptr (database-mysql-ptr database)))
236 (declare (type mysql-mysql-ptr-def mysql-ptr))
237 (when (database-execute-command query-expression database)
238 (let ((res-ptr (mysql-use-result mysql-ptr)))
239 (declare (type mysql-mysql-res-ptr-def res-ptr))
240 (if (and res-ptr (not (uffi:null-pointer-p res-ptr)))
242 (let ((num-fields (mysql-num-fields res-ptr)))
243 (declare (fixnum num-fields))
244 (setq result-types (canonicalize-types
245 result-types res-ptr))
247 (loop for row = (mysql-fetch-row res-ptr)
248 for lengths = (mysql-fetch-lengths res-ptr)
249 until (uffi:null-pointer-p row)
251 (do* ((rlist (make-list num-fields))
253 (pos rlist (cdr pos)))
254 ((= i num-fields) rlist)
258 (uffi:deref-array row '(:array
263 (uffi:deref-array lengths '(:array :unsigned-long) i)
264 :encoding (encoding database)))))
266 (result-field-names res-ptr))))
267 (mysql-free-result res-ptr))
268 (unless (zerop (mysql-errno mysql-ptr))
269 ;;from http://dev.mysql.com/doc/refman/5.0/en/mysql-field-count.html
270 ;; if mysql_use_result or mysql_store_result return a null ptr,
271 ;; we use a mysql_errno check to see if it had a problem or just
272 ;; was a query without a result. If no error, just return nil.
273 (error 'sql-database-data-error
275 :expression query-expression
276 :error-id (mysql-errno mysql-ptr)
277 :message (mysql-error-string mysql-ptr))))))))
280 (defstruct mysql-result-set
281 (res-ptr (uffi:make-null-pointer 'mysql-mysql-res) :type mysql-mysql-res-ptr-def)
282 (types nil :type list)
283 (num-fields 0 :type fixnum)
284 (full-set nil :type boolean))
287 (defmethod database-query-result-set ((query-expression string)
288 (database mysql-database)
289 &key full-set result-types)
290 (let ((mysql-ptr (database-mysql-ptr database)))
291 (declare (type mysql-mysql-ptr-def mysql-ptr))
292 (when (database-execute-command query-expression database)
293 (let ((res-ptr (if full-set
294 (mysql-store-result mysql-ptr)
295 (mysql-use-result mysql-ptr))))
296 (declare (type mysql-mysql-res-ptr-def res-ptr))
297 (if (not (uffi:null-pointer-p res-ptr))
298 (let* ((num-fields (mysql-num-fields res-ptr))
299 (result-set (make-mysql-result-set
301 :num-fields num-fields
305 result-types res-ptr))))
309 (mysql-num-rows res-ptr))
312 (error 'sql-database-data-error
314 :expression query-expression
315 :error-id (mysql-errno mysql-ptr)
316 :message (mysql-error-string mysql-ptr))))
319 (defmethod database-dump-result-set (result-set (database mysql-database))
320 (mysql-free-result (mysql-result-set-res-ptr result-set))
324 (defmethod database-store-next-row (result-set (database mysql-database) list)
325 (let* ((res-ptr (mysql-result-set-res-ptr result-set))
326 (row (mysql-fetch-row res-ptr))
327 (lengths (mysql-fetch-lengths res-ptr))
328 (types (mysql-result-set-types result-set)))
329 (declare (type mysql-mysql-res-ptr-def res-ptr)
330 (type mysql-row-def row))
331 (unless (uffi:null-pointer-p row)
332 (loop for i from 0 below (mysql-result-set-num-fields result-set)
337 (uffi:deref-array row '(:array (* :unsigned-char)) i)
340 (uffi:deref-array lengths '(:array :unsigned-long) i)
341 :encoding (encoding database))))
345 ;; Table and attribute introspection
347 (defmethod database-list-tables ((database mysql-database) &key (owner nil))
348 (declare (ignore owner))
350 ((eql #\5 (char (database-server-info database) 0))
351 (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
352 when (and (string-equal type "base table")
353 (not (and (>= (length name) 11)
354 (string-equal (subseq name 0 11) "_CLSQL_SEQ_"))))
357 (remove-if #'(lambda (s)
358 (and (>= (length s) 11)
359 (string-equal (subseq s 0 11) "_CLSQL_SEQ_")))
360 (mapcar #'car (database-query "SHOW TABLES" database nil nil))))))
362 (defmethod database-list-views ((database mysql-database)
364 (declare (ignore owner))
366 ((eql #\5 (char (database-server-info database) 0))
367 (loop for (name type) in (database-query "SHOW FULL TABLES" database nil nil)
368 when (string-equal type "view")
373 (defmethod database-list-indexes ((database mysql-database)
376 (dolist (table (database-list-tables database :owner owner) result)
378 (append (database-list-table-indexes table database :owner owner)
381 (defmethod database-list-table-indexes (table (database mysql-database)
383 (declare (ignore owner))
385 (rows (database-query
386 (format nil "SHOW INDEX FROM ~A" table)
389 ((null rows) (nreverse results))
390 (let ((col (nth 2 (car rows))))
391 (unless (find col results :test #'string-equal)
392 (push col results)))))
394 (defmethod database-list-attributes ((table string) (database mysql-database)
396 (declare (ignore owner))
399 (format nil "SHOW COLUMNS FROM ~A" table)
402 (defmethod database-attribute-type (attribute (table string)
403 (database mysql-database)
405 (declare (ignore owner))
406 (let ((row (car (database-query
408 "SHOW COLUMNS FROM ~A LIKE '~A'" table attribute)
410 (let* ((raw-type (second row))
412 (start-length (position #\( raw-type))
413 (type (if start-length
414 (subseq raw-type 0 start-length)
416 (length (when start-length
417 (parse-integer (subseq raw-type (1+ start-length))
420 (values (ensure-keyword type) length nil (if (string-equal null "YES") 1 0))))))
422 ;;; Sequence functions
424 (defun %sequence-name-to-table (sequence-name)
425 (concatenate 'string "_CLSQL_SEQ_" (sql-escape sequence-name)))
427 (defun %table-name-to-sequence-name (table-name)
428 (and (>= (length table-name) 11)
429 (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_")
430 (subseq table-name 11)))
432 (defmethod database-create-sequence (sequence-name
433 (database mysql-database))
434 (let ((table-name (%sequence-name-to-table sequence-name)))
435 (database-execute-command
436 (concatenate 'string "CREATE TABLE " table-name
437 " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
439 (database-execute-command
440 (concatenate 'string "INSERT INTO " table-name
444 (defmethod database-drop-sequence (sequence-name
445 (database mysql-database))
446 (database-execute-command
447 (concatenate 'string "DROP TABLE " (%sequence-name-to-table sequence-name))
450 (defmethod database-list-sequences ((database mysql-database)
452 (declare (ignore owner))
453 (mapcan #'(lambda (s)
454 (let ((sn (%table-name-to-sequence-name (car s))))
456 (database-query "SHOW TABLES" database nil nil)))
458 (defmethod database-set-sequence-position (sequence-name
460 (database mysql-database))
461 (database-execute-command
462 (format nil "UPDATE ~A SET id=~A" (%sequence-name-to-table sequence-name)
465 (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database)))
467 (defmethod database-sequence-next (sequence-name (database mysql-database))
469 (database-execute-command
470 (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name)
471 " SET id=LAST_INSERT_ID(id+1)")
473 (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database))))
475 (defmethod database-sequence-last (sequence-name (database mysql-database))
477 (caar (database-query
478 (concatenate 'string "SELECT id from "
479 (%sequence-name-to-table sequence-name))
480 database :auto nil))))
482 (defmethod database-create (connection-spec (type (eql :mysql)))
483 (destructuring-bind (host name user password) connection-spec
484 (let ((database (database-connect (list host "" user password)
486 (setf (slot-value database 'clsql-sys::state) :open)
488 (database-execute-command (format nil "create database ~A" name) database)
489 (database-disconnect database)))))
491 (defmethod database-destroy (connection-spec (type (eql :mysql)))
492 (destructuring-bind (host name user password) connection-spec
493 (let ((database (database-connect (list host "" user password)
495 (setf (slot-value database 'clsql-sys::state) :open)
497 (database-execute-command (format nil "drop database ~A" name) database)
498 (database-disconnect database)))))
500 (defmethod database-probe (connection-spec (type (eql :mysql)))
501 (when (find (second connection-spec) (database-list connection-spec type)
502 :test #'string-equal)
505 (defmethod database-list (connection-spec (type (eql :mysql)))
506 (destructuring-bind (host name user password &optional port) connection-spec
507 (let ((database (database-connect (list host (or name "mysql")
508 user password port) type)))
511 (setf (slot-value database 'clsql-sys::state) :open)
512 (mapcar #'car (database-query "show databases" database :auto nil)))
514 (database-disconnect database)
515 (setf (slot-value database 'clsql-sys::state) :closed))))))
518 ;;; Prepared statements
520 (defclass mysql-stmt ()
521 ((database :initarg :database :reader database)
522 (stmt :initarg :stmt :accessor stmt)
523 (input-bind :initarg :input-bind :reader input-bind)
524 (output-bind :initarg :output-bind :reader output-bind)
525 (types :initarg :types :reader types)
526 (result-set :initarg :result-set :reader result-set)
527 (num-fields :initarg :num-fields :reader num-fields)
528 (field-names :initarg :field-names :accessor stmt-field-names)
529 (length-ptr :initarg :length-ptr :reader length-ptr)
530 (is-null-ptr :initarg :is-null-ptr :reader is-null-ptr)
531 (result-types :initarg :result-types :reader result-types)))
533 (defun clsql-type->mysql-type (type)
535 ((in type :null) mysql-field-types#null)
536 ((in type :int :integer) mysql-field-types#long)
537 ((in type :short) mysql-field-types#short)
538 ((in type :bigint) mysql-field-types#longlong)
539 ((in type :float :double :number) mysql-field-types#double)
540 ((and (consp type) (in (car type) :char :string :varchar)) mysql-field-types#var-string)
541 ((or (eq type :blob) (and (consp type) (in (car type) :blob))) mysql-field-types#var-string)
543 (error 'sql-user-error
545 (format nil "Unknown clsql type ~A." type)))))
548 (defmethod database-prepare (sql-stmt types (database mysql-database) result-types field-names)
549 (let* ((mysql-ptr (database-mysql-ptr database))
550 (stmt (mysql-stmt-init mysql-ptr)))
551 (when (uffi:null-pointer-p stmt)
552 (error 'sql-database-error
553 :error-id (mysql-errno mysql-ptr)
554 :message (mysql-error-string mysql-ptr)))
556 (uffi:with-cstring (native-query sql-stmt)
557 (unless (zerop (mysql-stmt-prepare stmt native-query (uffi:foreign-encoded-octet-count
558 sql-stmt :encoding (encoding database))))
559 (mysql-stmt-close stmt)
560 (error 'sql-database-error
561 :error-id (mysql-errno mysql-ptr)
562 :message (mysql-error-string mysql-ptr))))
564 (unless (= (mysql-stmt-param-count stmt) (length types))
565 (mysql-stmt-close stmt)
566 (error 'sql-database-error
568 (format nil "Mysql param count (~D) does not match number of types (~D)"
569 (mysql-stmt-param-count stmt) (length types))))
571 (let ((rs (mysql-stmt-result-metadata stmt)))
572 (when (uffi:null-pointer-p rs)
573 (warn "mysql_stmt_result_metadata returned NULL")
575 (mysql-stmt-close stmt)
577 (error 'sql-database-error
578 :message "mysql_stmt_result_metadata returned NULL"))
580 (let ((input-bind (uffi:allocate-foreign-object 'mysql-bind (length types)))
581 (mysql-types (mapcar 'clsql-type->mysql-type types))
582 field-vec num-fields is-null-ptr output-bind length-ptr)
585 (dotimes (i (length types))
586 (let* ((binding (uffi:deref-array input-bind '(:array mysql-bind) i)))
587 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type)
589 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)))
592 (unless (uffi:null-pointer-p rs)
593 (setq field-vec (mysql-fetch-fields rs)
594 num-fields (mysql-num-fields rs)
595 is-null-ptr (uffi:allocate-foreign-object :byte num-fields)
596 output-bind (uffi:allocate-foreign-object 'mysql-bind num-fields)
597 length-ptr (uffi:allocate-foreign-object :unsigned-long num-fields))
598 (dotimes (i num-fields)
600 (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i))
601 (type (uffi:get-slot-value field 'mysql-field 'type))
602 (binding (uffi:deref-array output-bind '(:array mysql-bind) i)))
603 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-type) type)
605 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 0)
606 #+need-to-allocate-foreign-object-for-this
607 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::is-null)
608 (+ i (uffi:pointer-address is-null-ptr)))
609 #+need-to-allocate-foreign-object-for-this
610 (setf (uffi:get-slot-value binding 'mysql-bind 'length)
611 (+ (* i 8) (uffi:pointer-address length-ptr)))
614 ((#.mysql-field-types#var-string #.mysql-field-types#string
615 #.mysql-field-types#tiny-blob #.mysql-field-types#blob
616 #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
617 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer-length) 1024)
618 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
619 (uffi:allocate-foreign-object :unsigned-char 1024)))
620 (#.mysql-field-types#tiny
621 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
622 (uffi:allocate-foreign-object :byte)))
623 (#.mysql-field-types#short
624 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
625 (uffi:allocate-foreign-object :short)))
626 (#.mysql-field-types#long
627 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
628 ;; segfaults if supply :int on amd64
629 (uffi:allocate-foreign-object :long)))
631 (#.mysql-field-types#longlong
632 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
633 (uffi:allocate-foreign-object :long)))
634 (#.mysql-field-types#float
635 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
636 (uffi:allocate-foreign-object :float)))
637 (#.mysql-field-types#double
638 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer)
639 (uffi:allocate-foreign-object :double)))
640 ((#.mysql-field-types#time #.mysql-field-types#date
641 #.mysql-field-types#datetime #.mysql-field-types#timestamp)
642 (uffi:allocate-foreign-object 'mysql-time))
644 (error "mysql type ~D not supported." type)))))
646 (unless (zerop (mysql-stmt-bind-result stmt output-bind))
647 (mysql-stmt-close stmt)
648 (error 'sql-database-error
649 :error-id (mysql-stmt-errno stmt)
650 :message (uffi:convert-from-cstring
651 (mysql-stmt-error stmt)))))
653 (make-instance 'mysql-stmt
656 :num-fields num-fields
657 :input-bind input-bind
658 :output-bind output-bind
660 :result-types result-types
661 :length-ptr length-ptr
662 :is-null-ptr is-null-ptr
664 :field-names field-names)))))
667 (defmethod database-bind-parameter ((stmt mysql-stmt) position value)
668 ;; FIXME: will need to allocate bind structure. This should probably be
669 ;; done in C since the API is not mature and may change
670 (let ((binding (uffi:deref-array (input-bind stmt) '(:array mysql-bind) (1- position)))
671 (type (nth (1- position) (types stmt))))
672 (setf (uffi:get-slot-value binding 'mysql-bind 'length) 0)
675 (when (is-null-ptr stmt)
676 (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 1)))
678 (when (is-null-ptr stmt)
679 (setf (uffi:deref-array (is-null-ptr stmt) '(:array :byte) (1- position)) 0))
681 (#.mysql-field-types#long
682 (setf (uffi:get-slot-value binding 'mysql-bind 'mysql::buffer) value))
684 (warn "Unknown input bind type ~D." type))
688 (defmethod database-run-prepared ((stmt mysql-stmt))
690 (when (input-bind stmt)
691 (unless (zerop (mysql-stmt-bind-param (stmt stmt) (input-bind stmt)))
692 (error 'sql-database-error
693 :error-id (mysql-stmt-errno (stmt stmt))
694 :message (uffi:convert-from-cstring
695 (mysql-stmt-error (stmt stmt))))))
697 (unless (zerop (mysql-stmt-execute (stmt stmt)))
698 (error 'sql-database-error
699 :error-id (mysql-stmt-errno (stmt stmt))
700 :message (uffi:convert-from-cstring
701 (mysql-stmt-error (stmt stmt)))))
703 (unless (zerop (mysql-stmt-store-result (stmt stmt)))
704 (error 'sql-database-error
705 :error-id (mysql-stmt-errno (stmt stmt))
706 :message (uffi:convert-from-cstring
707 (mysql-stmt-error (stmt stmt)))))
708 (database-fetch-prepared-rows stmt))
711 (defun database-fetch-prepared-rows (stmt)
712 (do ((rc (mysql-stmt-fetch (stmt stmt)) (mysql-stmt-fetch (stmt stmt)))
713 (num-fields (num-fields stmt))
715 ((not (zerop rc)) (nreverse rows))
717 (loop for i from 0 below num-fields
720 (not (zerop (uffi:ensure-char-integer
721 (uffi:deref-array (is-null-ptr stmt) '(:array :byte) i))))))
723 (let* ((bind (uffi:deref-array (output-bind stmt) '(:array mysql-bind) i))
724 (type (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer-type))
725 (buffer (uffi:get-slot-value bind 'mysql-bind 'mysql::buffer)))
727 ((#.mysql-field-types#var-string #.mysql-field-types#string
728 #.mysql-field-types#tiny-blob #.mysql-field-types#blob
729 #.mysql-field-types#medium-blob #.mysql-field-types#long-blob)
730 (uffi:convert-from-foreign-string buffer :encoding (encoding (database stmt))))
731 (#.mysql-field-types#tiny
732 (uffi:ensure-char-integer
733 (uffi:deref-pointer buffer :byte)))
734 (#.mysql-field-types#short
735 (uffi:deref-pointer buffer :short))
736 (#.mysql-field-types#long
737 (uffi:deref-pointer buffer :int))
739 (#.mysql-field-types#longlong
740 (uffi:deref-pointer buffer :long))
741 (#.mysql-field-types#float
742 (uffi:deref-pointer buffer :float))
743 (#.mysql-field-types#double
744 (uffi:deref-pointer buffer :double))
745 ((#.mysql-field-types#time #.mysql-field-types#date
746 #.mysql-field-types#datetime #.mysql-field-types#timestamp)
747 (let ((year (uffi:get-slot-value buffer 'mysql-time 'mysql::year))
748 (month (uffi:get-slot-value buffer 'mysql-time 'mysql::month))
749 (day (uffi:get-slot-value buffer 'mysql-time 'mysql::day))
750 (hour (uffi:get-slot-value buffer 'mysql-time 'mysql::hour))
751 (minute (uffi:get-slot-value buffer 'mysql-time 'mysql::minute))
752 (second (uffi:get-slot-value buffer 'mysql-time 'mysql::second)))
754 (make-time :year year :month month :day day :hour hour
755 :minute minute :second second))))
764 (defmethod database-free-prepared ((stmt mysql-stmt))
765 (with-slots (stmt) stmt
766 (mysql-stmt-close stmt))
770 ;;; Database capabilities
772 (defmethod db-type-use-column-on-drop-index? ((db-type (eql :mysql)))
775 (defmethod db-type-has-views? ((db-type (eql :mysql)))
777 #-mysql-client-v5 nil)
779 (defmethod db-type-has-subqueries? ((db-type (eql :mysql)))
780 #+(or mysql-client-v4.1 mysql-client-v5) t
781 #-(or mysql-client-v4.1 mysql-client-v5) nil)
783 (defmethod db-type-has-boolean-where? ((db-type (eql :mysql)))
784 #+(or mysql-client-v4.1 mysql-client-v5) t
785 #-(or mysql-client-v4.1 mysql-client-v5) nil)
787 (defmethod db-type-has-union? ((db-type (eql :mysql)))
788 (not (eql (schar mysql::*mysql-client-info* 0) #\3)))
790 (defmethod db-type-transaction-capable? ((db-type (eql :mysql)) database)
791 (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto nil))))
792 (and tuple (string-equal "YES" (second tuple)))))
794 (defmethod db-type-has-prepared-stmt? ((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-auto-increment? ((db-type (eql :mysql)))
801 (when (clsql-sys:database-type-library-loaded :mysql)
802 (clsql-sys:initialize-database-type :database-type :mysql))