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
)))
159 (make-instance 'mysql-database
160 :name
(database-name-from-spec connection-spec
162 :database-type
:mysql
163 :connection-spec connection-spec
164 :server-info
(uffi:convert-from-cstring
165 (mysql:mysql-get-server-info mysql-ptr
))
166 :mysql-ptr mysql-ptr
))
167 (when error-occurred
(mysql-close mysql-ptr
)))))))))
170 (defmethod database-disconnect ((database mysql-database
))
171 (mysql-close (database-mysql-ptr database
))
172 (setf (database-mysql-ptr database
) nil
)
176 (defmethod database-query (query-expression (database mysql-database
)
177 result-types field-names
)
178 (declare (optimize (speed 3) (safety 0) (debug 0) (space 0)))
179 (let ((mysql-ptr (database-mysql-ptr database
)))
180 (uffi:with-cstring
(query-native query-expression
)
181 (if (zerop (mysql-real-query mysql-ptr query-native
182 (expression-length query-expression
)))
183 (let ((res-ptr (mysql-use-result mysql-ptr
)))
186 (let ((num-fields (mysql-num-fields res-ptr
)))
187 (declare (fixnum num-fields
))
188 (setq result-types
(canonicalize-types
189 result-types num-fields
192 (loop for row
= (mysql-fetch-row res-ptr
)
193 for lengths
= (mysql-fetch-lengths res-ptr
)
194 until
(uffi:null-pointer-p row
)
196 (do* ((rlist (make-list num-fields
))
198 (pos rlist
(cdr pos
)))
199 ((= i num-fields
) rlist
)
203 (uffi:deref-array row
'(:array
207 (uffi:deref-array lengths
'(:array
:unsigned-long
)
210 (result-field-names num-fields res-ptr
))))
211 (mysql-free-result res-ptr
))
212 (error 'sql-database-data-error
214 :expression query-expression
215 :error-id
(mysql-errno mysql-ptr
)
216 :message
(mysql-error-string mysql-ptr
))))
217 (error 'sql-database-data-error
219 :expression query-expression
220 :error-id
(mysql-errno mysql-ptr
)
221 :message
(mysql-error-string mysql-ptr
))))))
223 (defmethod database-execute-command (sql-expression (database mysql-database
))
224 (uffi:with-cstring
(sql-native sql-expression
)
225 (let ((mysql-ptr (database-mysql-ptr database
)))
226 (declare (type mysql-mysql-ptr-def mysql-ptr
))
227 (if (zerop (mysql-real-query mysql-ptr sql-native
228 (expression-length sql-expression
)))
230 (error 'sql-database-data-error
232 :expression sql-expression
233 :error-id
(mysql-errno mysql-ptr
)
234 :message
(mysql-error-string mysql-ptr
))))))
237 (defstruct mysql-result-set
238 (res-ptr (uffi:make-null-pointer
'mysql-mysql-res
) :type mysql-mysql-res-ptr-def
)
239 (types nil
:type list
)
240 (num-fields 0 :type fixnum
)
241 (full-set nil
:type boolean
))
244 (defmethod database-query-result-set ((query-expression string
)
245 (database mysql-database
)
246 &key full-set result-types
)
247 (uffi:with-cstring
(query-native query-expression
)
248 (let ((mysql-ptr (database-mysql-ptr database
)))
249 (declare (type mysql-mysql-ptr-def mysql-ptr
))
250 (if (zerop (mysql-real-query mysql-ptr query-native
251 (expression-length query-expression
)))
252 (let ((res-ptr (if full-set
253 (mysql-store-result mysql-ptr
)
254 (mysql-use-result mysql-ptr
))))
255 (declare (type mysql-mysql-res-ptr-def res-ptr
))
256 (if (not (uffi:null-pointer-p res-ptr
))
257 (let* ((num-fields (mysql-num-fields res-ptr
))
258 (result-set (make-mysql-result-set
260 :num-fields num-fields
264 result-types num-fields
269 (mysql-num-rows res-ptr
))
272 (error 'sql-database-data-error
274 :expression query-expression
275 :error-id
(mysql-errno mysql-ptr
)
276 :message
(mysql-error-string mysql-ptr
))))
277 (error 'sql-database-data-error
279 :expression query-expression
280 :error-id
(mysql-errno mysql-ptr
)
281 :message
(mysql-error-string mysql-ptr
))))))
283 (defmethod database-dump-result-set (result-set (database mysql-database
))
284 (mysql-free-result (mysql-result-set-res-ptr result-set
))
288 (defmethod database-store-next-row (result-set (database mysql-database
) list
)
289 (let* ((res-ptr (mysql-result-set-res-ptr result-set
))
290 (row (mysql-fetch-row res-ptr
))
291 (lengths (mysql-fetch-lengths res-ptr
))
292 (types (mysql-result-set-types result-set
)))
293 (declare (type mysql-mysql-res-ptr-def res-ptr
)
294 (type mysql-row-def row
))
295 (unless (uffi:null-pointer-p row
)
296 (loop for i from
0 below
(mysql-result-set-num-fields result-set
)
301 (uffi:deref-array row
'(:array
(* :unsigned-char
)) i
)
304 (uffi:deref-array lengths
'(:array
:unsigned-long
) i
))))
308 ;; Table and attribute introspection
310 (defmethod database-list-tables ((database mysql-database
) &key
(owner nil
))
311 (declare (ignore owner
))
313 ((eql #\
5 (char (database-server-info database
) 0))
314 (loop for
(name type
) in
(database-query "SHOW FULL TABLES" database nil nil
)
315 when
(and (string-equal type
"base table")
316 (not (and (>= (length name
) 11)
317 (string-equal (subseq name
0 11) "_CLSQL_SEQ_"))))
320 (remove-if #'(lambda (s)
321 (and (>= (length s
) 11)
322 (string-equal (subseq s
0 11) "_CLSQL_SEQ_")))
323 (mapcar #'car
(database-query "SHOW TABLES" database nil nil
))))))
325 (defmethod database-list-views ((database mysql-database
)
327 (declare (ignore owner
))
329 ((eql #\
5 (char (database-server-info database
) 0))
330 (loop for
(name type
) in
(database-query "SHOW FULL TABLES" database nil nil
)
331 when
(string-equal type
"view")
336 (defmethod database-list-indexes ((database mysql-database
)
339 (dolist (table (database-list-tables database
:owner owner
) result
)
341 (append (database-list-table-indexes table database
:owner owner
)
344 (defmethod database-list-table-indexes (table (database mysql-database
)
346 (declare (ignore owner
))
348 (rows (database-query
349 (format nil
"SHOW INDEX FROM ~A" (string-upcase table
))
352 ((null rows
) (nreverse results
))
353 (let ((col (nth 2 (car rows
))))
354 (unless (find col results
:test
#'string-equal
)
355 (push col results
)))))
357 (defmethod database-list-attributes ((table string
) (database mysql-database
)
359 (declare (ignore owner
))
362 (format nil
"SHOW COLUMNS FROM ~A" table
)
365 (defmethod database-attribute-type (attribute (table string
)
366 (database mysql-database
)
368 (declare (ignore owner
))
369 (let ((row (car (database-query
371 "SHOW COLUMNS FROM ~A LIKE '~A'" table attribute
)
373 (let* ((raw-type (second row
))
375 (start-length (position #\
( raw-type
))
376 (type (if start-length
377 (subseq raw-type
0 start-length
)
379 (length (when start-length
380 (parse-integer (subseq raw-type
(1+ start-length
))
383 (values (ensure-keyword type
) length nil
(if (string-equal null
"YES") 1 0))))))
385 ;;; Sequence functions
387 (defun %sequence-name-to-table
(sequence-name)
388 (concatenate 'string
"_CLSQL_SEQ_" (sql-escape sequence-name
)))
390 (defun %table-name-to-sequence-name
(table-name)
391 (and (>= (length table-name
) 11)
392 (string-equal (subseq table-name
0 11) "_CLSQL_SEQ_")
393 (subseq table-name
11)))
395 (defmethod database-create-sequence (sequence-name
396 (database mysql-database
))
397 (let ((table-name (%sequence-name-to-table sequence-name
)))
398 (database-execute-command
399 (concatenate 'string
"CREATE TABLE " table-name
400 " (id int NOT NULL PRIMARY KEY AUTO_INCREMENT)")
402 (database-execute-command
403 (concatenate 'string
"INSERT INTO " table-name
407 (defmethod database-drop-sequence (sequence-name
408 (database mysql-database
))
409 (database-execute-command
410 (concatenate 'string
"DROP TABLE " (%sequence-name-to-table sequence-name
))
413 (defmethod database-list-sequences ((database mysql-database
)
415 (declare (ignore owner
))
416 (mapcan #'(lambda (s)
417 (let ((sn (%table-name-to-sequence-name
(car s
))))
419 (database-query "SHOW TABLES" database nil nil
)))
421 (defmethod database-set-sequence-position (sequence-name
423 (database mysql-database
))
424 (database-execute-command
425 (format nil
"UPDATE ~A SET id=~A" (%sequence-name-to-table sequence-name
)
428 (mysql:mysql-insert-id
(clsql-mysql::database-mysql-ptr database
)))
430 (defmethod database-sequence-next (sequence-name (database mysql-database
))
432 (database-execute-command
433 (concatenate 'string
"UPDATE " (%sequence-name-to-table sequence-name
)
434 " SET id=LAST_INSERT_ID(id+1)")
436 (mysql:mysql-insert-id
(clsql-mysql::database-mysql-ptr database
))))
438 (defmethod database-sequence-last (sequence-name (database mysql-database
))
440 (caar (database-query
441 (concatenate 'string
"SELECT id from "
442 (%sequence-name-to-table sequence-name
))
443 database
:auto nil
))))
445 (defmethod database-create (connection-spec (type (eql :mysql
)))
446 (destructuring-bind (host name user password
&optional port
) connection-spec
447 (multiple-value-bind (output status
)
448 (clsql-sys:command-output
"mysqladmin create -u~A -p~A -h~A~@[ -P~A~] ~A"
450 (if host host
"localhost")
453 (if (or (not (eql 0 status
))
454 (and (search "failed" output
) (search "error" output
)))
455 (error 'sql-database-error
457 (format nil
"mysql database creation failed with connection-spec ~A."
461 (defmethod database-destroy (connection-spec (type (eql :mysql
)))
462 (destructuring-bind (host name user password
&optional port
) connection-spec
463 (multiple-value-bind (output status
)
464 (clsql-sys:command-output
"mysqladmin drop -f -u~A -p~A -h~A~@[ -P~A~] ~A"
466 (if host host
"localhost")
468 (if (or (not (eql 0 status
))
469 (and (search "failed" output
) (search "error" output
)))
470 (error 'sql-database-error
472 (format nil
"mysql database deletion failed with connection-spec ~A."
476 (defmethod database-probe (connection-spec (type (eql :mysql
)))
477 (when (find (second connection-spec
) (database-list connection-spec type
)
478 :test
#'string-equal
)
481 (defmethod database-list (connection-spec (type (eql :mysql
)))
482 (destructuring-bind (host name user password
&optional port
) connection-spec
483 (declare (ignore name
))
484 (let ((database (database-connect (list host
"mysql" user password port
) type
)))
487 (setf (slot-value database
'clsql-sys
::state
) :open
)
488 (mapcar #'car
(database-query "show databases" database
:auto nil
)))
490 (database-disconnect database
)
491 (setf (slot-value database
'clsql-sys
::state
) :closed
))))))
494 ;;; Prepared statements
496 (defclass mysql-stmt
()
497 ((database :initarg
:database
:reader database
)
498 (stmt :initarg
:stmt
:accessor stmt
)
499 (input-bind :initarg
:input-bind
:reader input-bind
)
500 (output-bind :initarg
:output-bind
:reader output-bind
)
501 (types :initarg
:types
:reader types
)
502 (result-set :initarg
:result-set
:reader result-set
)
503 (num-fields :initarg
:num-fields
:reader num-fields
)
504 (field-names :initarg
:field-names
:accessor stmt-field-names
)
505 (length-ptr :initarg
:length-ptr
:reader length-ptr
)
506 (is-null-ptr :initarg
:is-null-ptr
:reader is-null-ptr
)
507 (result-types :initarg
:result-types
:reader result-types
)))
509 (defun clsql-type->mysql-type
(type)
511 ((in type
:null
) mysql-field-types
#null
)
512 ((in type
:int
:integer
) mysql-field-types
#long
)
513 ((in type
:short
) mysql-field-types
#short
)
514 ((in type
:bigint
) mysql-field-types
#longlong
)
515 ((in type
:float
:double
:number
) mysql-field-types
#double
)
516 ((and (consp type
) (in (car type
) :char
:string
:varchar
)) mysql-field-types
#var-string
)
517 ((or (eq type
:blob
) (and (consp type
) (in (car type
) :blob
))) mysql-field-types
#var-string
)
519 (error 'sql-user-error
521 (format nil
"Unknown clsql type ~A." type
)))))
524 (defmethod database-prepare (sql-stmt types
(database mysql-database
) result-types field-names
)
525 (let* ((mysql-ptr (database-mysql-ptr database
))
526 (stmt (mysql-stmt-init mysql-ptr
)))
527 (when (uffi:null-pointer-p stmt
)
528 (error 'sql-database-error
529 :error-id
(mysql-errno mysql-ptr
)
530 :message
(mysql-error-string mysql-ptr
)))
532 (uffi:with-cstring
(native-query sql-stmt
)
533 (unless (zerop (mysql-stmt-prepare stmt native-query
(expression-length sql-stmt
)))
534 (mysql-stmt-close stmt
)
535 (error 'sql-database-error
536 :error-id
(mysql-errno mysql-ptr
)
537 :message
(mysql-error-string mysql-ptr
))))
539 (unless (= (mysql-stmt-param-count stmt
) (length types
))
540 (mysql-stmt-close stmt
)
541 (error 'sql-database-error
543 (format nil
"Mysql param count (~D) does not match number of types (~D)"
544 (mysql-stmt-param-count stmt
) (length types
))))
546 (let ((rs (mysql-stmt-result-metadata stmt
)))
547 (when (uffi:null-pointer-p rs
)
548 (warn "mysql_stmt_result_metadata returned NULL")
550 (mysql-stmt-close stmt
)
552 (error 'sql-database-error
553 :message
"mysql_stmt_result_metadata returned NULL"))
555 (let ((input-bind (uffi:allocate-foreign-object
'mysql-bind
(length types
)))
556 (mysql-types (mapcar 'clsql-type-
>mysql-type types
))
557 field-vec num-fields is-null-ptr output-bind length-ptr
)
560 (dotimes (i (length types
))
561 (let* ((binding (uffi:deref-array input-bind
'(:array mysql-bind
) i
)))
562 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer-type
)
564 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer-length
) 0)))
567 (unless (uffi:null-pointer-p rs
)
568 (setq field-vec
(mysql-fetch-fields rs
)
569 num-fields
(mysql-num-fields rs
)
570 is-null-ptr
(uffi:allocate-foreign-object
:byte num-fields
)
571 output-bind
(uffi:allocate-foreign-object
'mysql-bind num-fields
)
572 length-ptr
(uffi:allocate-foreign-object
:unsigned-long num-fields
))
573 (dotimes (i num-fields
)
575 (let* ((field (uffi:deref-array field-vec
'(:array mysql-field
) i
))
576 (type (uffi:get-slot-value field
'mysql-field
'type
))
577 (binding (uffi:deref-array output-bind
'(:array mysql-bind
) i
)))
578 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer-type
) type
)
580 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer-length
) 0)
581 #+need-to-allocate-foreign-object-for-this
582 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::is-null
)
583 (+ i
(uffi:pointer-address is-null-ptr
)))
584 #+need-to-allocate-foreign-object-for-this
585 (setf (uffi:get-slot-value binding
'mysql-bind
'length
)
586 (+ (* i
8) (uffi:pointer-address length-ptr
)))
589 ((#.mysql-field-types
#var-string
#.mysql-field-types
#string
590 #.mysql-field-types
#tiny-blob
#.mysql-field-types
#blob
591 #.mysql-field-types
#medium-blob
#.mysql-field-types
#long-blob
)
592 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer-length
) 1024)
593 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
594 (uffi:allocate-foreign-object
:unsigned-char
1024)))
595 (#.mysql-field-types
#tiny
596 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
597 (uffi:allocate-foreign-object
:byte
)))
598 (#.mysql-field-types
#short
599 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
600 (uffi:allocate-foreign-object
:short
)))
601 (#.mysql-field-types
#long
602 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
603 ;; segfaults if supply :int on amd64
604 (uffi:allocate-foreign-object
:long
)))
606 (#.mysql-field-types
#longlong
607 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
608 (uffi:allocate-foreign-object
:long
)))
609 (#.mysql-field-types
#float
610 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
611 (uffi:allocate-foreign-object
:float
)))
612 (#.mysql-field-types
#double
613 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
)
614 (uffi:allocate-foreign-object
:double
)))
615 ((#.mysql-field-types
#time
#.mysql-field-types
#date
616 #.mysql-field-types
#datetime
#.mysql-field-types
#timestamp
)
617 (uffi:allocate-foreign-object
'mysql-time
))
619 (error "mysql type ~D not supported." type
)))))
621 (unless (zerop (mysql-stmt-bind-result stmt output-bind
))
622 (mysql-stmt-close stmt
)
623 (error 'sql-database-error
624 :error-id
(mysql-stmt-errno stmt
)
625 :message
(uffi:convert-from-cstring
626 (mysql-stmt-error stmt
)))))
628 (make-instance 'mysql-stmt
631 :num-fields num-fields
632 :input-bind input-bind
633 :output-bind output-bind
635 :result-types result-types
636 :length-ptr length-ptr
637 :is-null-ptr is-null-ptr
639 :field-names field-names
)))))
642 (defmethod database-bind-parameter ((stmt mysql-stmt
) position value
)
643 ;; FIXME: will need to allocate bind structure. This should probably be
644 ;; done in C since the API is not mature and may change
645 (let ((binding (uffi:deref-array
(input-bind stmt
) '(:array mysql-bind
) (1- position
)))
646 (type (nth (1- position
) (types stmt
))))
647 (setf (uffi:get-slot-value binding
'mysql-bind
'length
) 0)
650 (when (is-null-ptr stmt
)
651 (setf (uffi:deref-array
(is-null-ptr stmt
) '(:array
:byte
) (1- position
)) 1)))
653 (when (is-null-ptr stmt
)
654 (setf (uffi:deref-array
(is-null-ptr stmt
) '(:array
:byte
) (1- position
)) 0))
656 (#.mysql-field-types
#long
657 (setf (uffi:get-slot-value binding
'mysql-bind
'mysql
::buffer
) value
))
659 (warn "Unknown input bind type ~D." type
))
663 (defmethod database-run-prepared ((stmt mysql-stmt
))
665 (when (input-bind stmt
)
666 (unless (zerop (mysql-stmt-bind-param (stmt stmt
) (input-bind 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-execute (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
)))))
678 (unless (zerop (mysql-stmt-store-result (stmt stmt
)))
679 (error 'sql-database-error
680 :error-id
(mysql-stmt-errno (stmt stmt
))
681 :message
(uffi:convert-from-cstring
682 (mysql-stmt-error (stmt stmt
)))))
683 (database-fetch-prepared-rows stmt
))
686 (defun database-fetch-prepared-rows (stmt)
687 (do ((rc (mysql-stmt-fetch (stmt stmt
)) (mysql-stmt-fetch (stmt stmt
)))
688 (num-fields (num-fields stmt
))
690 ((not (zerop rc
)) (nreverse rows
))
692 (loop for i from
0 below num-fields
695 (not (zerop (uffi:ensure-char-integer
696 (uffi:deref-array
(is-null-ptr stmt
) '(:array
:byte
) i
))))))
698 (let* ((bind (uffi:deref-array
(output-bind stmt
) '(:array mysql-bind
) i
))
699 (type (uffi:get-slot-value bind
'mysql-bind
'mysql
::buffer-type
))
700 (buffer (uffi:get-slot-value bind
'mysql-bind
'mysql
::buffer
)))
702 ((#.mysql-field-types
#var-string
#.mysql-field-types
#string
703 #.mysql-field-types
#tiny-blob
#.mysql-field-types
#blob
704 #.mysql-field-types
#medium-blob
#.mysql-field-types
#long-blob
)
705 (uffi:convert-from-foreign-string buffer
))
706 (#.mysql-field-types
#tiny
707 (uffi:ensure-char-integer
708 (uffi:deref-pointer buffer
:byte
)))
709 (#.mysql-field-types
#short
710 (uffi:deref-pointer buffer
:short
))
711 (#.mysql-field-types
#long
712 (uffi:deref-pointer buffer
:int
))
714 (#.mysql-field-types
#longlong
715 (uffi:deref-pointer buffer
:long
))
716 (#.mysql-field-types
#float
717 (uffi:deref-pointer buffer
:float
))
718 (#.mysql-field-types
#double
719 (uffi:deref-pointer buffer
:double
))
720 ((#.mysql-field-types
#time
#.mysql-field-types
#date
721 #.mysql-field-types
#datetime
#.mysql-field-types
#timestamp
)
722 (let ((year (uffi:get-slot-value buffer
'mysql-time
'mysql
::year
))
723 (month (uffi:get-slot-value buffer
'mysql-time
'mysql
::month
))
724 (day (uffi:get-slot-value buffer
'mysql-time
'mysql
::day
))
725 (hour (uffi:get-slot-value buffer
'mysql-time
'mysql
::hour
))
726 (minute (uffi:get-slot-value buffer
'mysql-time
'mysql
::minute
))
727 (second (uffi:get-slot-value buffer
'mysql-time
'mysql
::second
)))
729 (make-time :year year
:month month
:day day
:hour hour
730 :minute minute
:second second
))))
739 (defmethod database-free-prepared ((stmt mysql-stmt
))
740 (with-slots (stmt) stmt
741 (mysql-stmt-close stmt
))
745 ;;; Database capabilities
747 (defmethod db-type-use-column-on-drop-index?
((db-type (eql :mysql
)))
750 (defmethod db-type-has-views?
((db-type (eql :mysql
)))
752 #-mysql-client-v5 nil
)
754 (defmethod db-type-has-subqueries?
((db-type (eql :mysql
)))
755 #+(or mysql-client-v4.1 mysql-client-v5
) t
756 #-
(or mysql-client-v4.1 mysql-client-v5
) nil
)
758 (defmethod db-type-has-boolean-where?
((db-type (eql :mysql
)))
759 #+(or mysql-client-v4.1 mysql-client-v5
) t
760 #-
(or mysql-client-v4.1 mysql-client-v5
) nil
)
762 (defmethod db-type-has-union?
((db-type (eql :mysql
)))
763 (not (eql (schar mysql
::*mysql-client-info
* 0) #\
3)))
765 (defmethod db-type-transaction-capable?
((db-type (eql :mysql
)) database
)
766 (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database
:auto nil
))))
767 (and tuple
(string-equal "YES" (second tuple
)))))
769 (defmethod db-type-has-prepared-stmt?
((db-type (eql :mysql
)))
770 #+(or mysql-client-v4.1 mysql-client-v5
) t
771 #-
(or mysql-client-v4.1 mysql-client-v5
) nil
)
773 (when (clsql-sys:database-type-library-loaded
:mysql
)
774 (clsql-sys:initialize-database-type
:database-type
:mysql
))