X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=db-mysql%2Fmysql-sql.lisp;h=8ea7f4f48bddc1ccb4e4e5e470ce8d414585bfa3;hp=36fc90a9d25525cfaec3336f43985f0fd33ddda0;hb=b46ac7dbb45a94f36d1cbd9b791df91b1d1af4ac;hpb=b145ab23c097e8c624e7bf35da055b6ae0cff21d diff --git a/db-mysql/mysql-sql.lisp b/db-mysql/mysql-sql.lisp index 36fc90a..8ea7f4f 100644 --- a/db-mysql/mysql-sql.lisp +++ b/db-mysql/mysql-sql.lisp @@ -6,7 +6,7 @@ ;;;; Purpose: High-level MySQL interface using UFFI ;;;; Date Started: Feb 2002 ;;;; -;;;; $Id$ +;;;; This file, part of CLSQL, is Copyright (c) 2002-2009 by Kevin M. Rosenberg ;;;; ;;;; CLSQL users are granted the rights to distribute and use this software ;;;; as governed by the terms of the Lisp Lesser GNU Public License @@ -28,56 +28,52 @@ ;;; Field conversion functions -(defun result-field-names (num-fields res-ptr) - (declare (fixnum num-fields)) - (let ((names '()) - (field-vec (mysql-fetch-fields res-ptr))) - (dotimes (i num-fields) - (declare (fixnum i)) - (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i)) - (name (uffi:convert-from-foreign-string - (uffi:get-slot-value field 'mysql-field 'mysql::name)))) - (push name names))) +(defun result-field-names (res-ptr) + (let ((names '())) + (mysql-field-seek res-ptr 0) + (loop + (let ((field (mysql-fetch-field res-ptr))) + (when (uffi:null-pointer-p field) (return)) + (push (uffi:convert-from-cstring (clsql-mysql-field-name field)) names))) (nreverse names))) -(defun make-type-list-for-auto (num-fields res-ptr) - (declare (fixnum num-fields)) - (let ((new-types '()) - (field-vec (mysql-fetch-fields res-ptr))) - (dotimes (i num-fields) - (declare (fixnum i)) - (let* ((field (uffi:deref-array field-vec '(:array mysql-field) i)) - (flags (uffi:get-slot-value field 'mysql-field 'mysql::flags)) - (unsigned (plusp (logand flags 32))) - (type (uffi:get-slot-value field 'mysql-field 'type))) - (push - (case type - ((#.mysql-field-types#tiny - #.mysql-field-types#short - #.mysql-field-types#int24) - (if unsigned - :uint32 - :int32)) - (#.mysql-field-types#long - (if unsigned - :uint - :int)) - (#.mysql-field-types#longlong - (if unsigned - :uint64 - :int64)) - ((#.mysql-field-types#double - #.mysql-field-types#float - #.mysql-field-types#decimal) - :double) - (otherwise - t)) - new-types))) +(defun make-type-list-for-auto (res-ptr) + (let ((new-types '())) + (mysql-field-seek res-ptr 0) + (loop + (let ((field (mysql-fetch-field res-ptr))) + (when (uffi:null-pointer-p field) (return)) + (let* ((flags (clsql-mysql-field-flags field)) + (unsigned (plusp (logand flags 32))) + (type (clsql-mysql-field-type field))) + (push + (case type + ((#.mysql-field-types#tiny + #.mysql-field-types#short + #.mysql-field-types#int24) + (if unsigned + :uint32 + :int32)) + (#.mysql-field-types#long + (if unsigned + :uint + :int)) + (#.mysql-field-types#longlong + (if unsigned + :uint64 + :int64)) + ((#.mysql-field-types#double + #.mysql-field-types#float + #.mysql-field-types#decimal) + :double) + (otherwise + t)) + new-types)))) (nreverse new-types))) -(defun canonicalize-types (types num-fields res-ptr) +(defun canonicalize-types (types res-ptr) (when types - (let ((auto-list (make-type-list-for-auto num-fields res-ptr))) + (let ((auto-list (make-type-list-for-auto res-ptr))) (cond ((listp types) (canonicalize-type-list types auto-list)) @@ -89,9 +85,11 @@ (defmethod database-initialize-database-type ((database-type (eql :mysql))) t) -(uffi:def-type mysql-mysql-ptr-def (* mysql-mysql)) +;;(uffi:def-type mysql-mysql-ptr-def (* mysql-mysql)) +;;(uffi:def-type mysql-mysql-res-ptr-def (* mysql-mysql-res)) +(uffi:def-type mysql-mysql-ptr-def mysql-mysql) +(uffi:def-type mysql-mysql-res-ptr-def mysql-mysql-res) (uffi:def-type mysql-row-def mysql-row) -(uffi:def-type mysql-mysql-res-ptr-def (* mysql-mysql-res)) (defclass mysql-database (database) ((mysql-ptr :accessor database-mysql-ptr :initarg :mysql-ptr @@ -182,51 +180,55 @@ (defmethod database-query (query-expression (database mysql-database) - result-types field-names) + result-types field-names) (declare (optimize (speed 3) (safety 0) (debug 0) (space 0))) (let ((mysql-ptr (database-mysql-ptr database))) (uffi:with-cstring (query-native query-expression) (if (zerop (mysql-real-query mysql-ptr query-native - (expression-length query-expression))) - (let ((res-ptr (mysql-use-result mysql-ptr))) - (if res-ptr - (unwind-protect - (let ((num-fields (mysql-num-fields res-ptr))) - (declare (fixnum num-fields)) - (setq result-types (canonicalize-types - result-types num-fields - res-ptr)) - (values - (loop for row = (mysql-fetch-row res-ptr) - for lengths = (mysql-fetch-lengths res-ptr) - until (uffi:null-pointer-p row) - collect - (do* ((rlist (make-list num-fields)) - (i 0 (1+ i)) - (pos rlist (cdr pos))) - ((= i num-fields) rlist) - (declare (fixnum i)) - (setf (car pos) - (convert-raw-field - (uffi:deref-array row '(:array - (* :unsigned-char)) - i) - result-types i - (uffi:deref-array lengths '(:array :unsigned-long) - i))))) - (when field-names - (result-field-names num-fields res-ptr)))) - (mysql-free-result res-ptr)) - (error 'sql-database-data-error - :database database - :expression query-expression - :error-id (mysql-errno mysql-ptr) - :message (mysql-error-string mysql-ptr)))) - (error 'sql-database-data-error - :database database - :expression query-expression - :error-id (mysql-errno mysql-ptr) - :message (mysql-error-string mysql-ptr)))))) + (expression-length query-expression))) + (let ((res-ptr (mysql-use-result mysql-ptr))) + (if (and res-ptr (not (uffi:null-pointer-p res-ptr))) + (unwind-protect + (let ((num-fields (mysql-num-fields res-ptr))) + (declare (fixnum num-fields)) + (setq result-types (canonicalize-types + result-types res-ptr)) + (values + (loop for row = (mysql-fetch-row res-ptr) + for lengths = (mysql-fetch-lengths res-ptr) + until (uffi:null-pointer-p row) + collect + (do* ((rlist (make-list num-fields)) + (i 0 (1+ i)) + (pos rlist (cdr pos))) + ((= i num-fields) rlist) + (declare (fixnum i)) + (setf (car pos) + (convert-raw-field + (uffi:deref-array row '(:array + (* :unsigned-char)) + i) + result-types i + (uffi:deref-array lengths '(:array :unsigned-long) + i))))) + (when field-names + (result-field-names res-ptr)))) + (mysql-free-result res-ptr)) + (unless (zerop (mysql-errno mysql-ptr)) + ;;from http://dev.mysql.com/doc/refman/5.0/en/mysql-field-count.html + ;; if mysql_use_result or mysql_store_result return a null ptr, + ;; we use a mysql_errno check to see if it had a problem or just + ;; was a query without a result. If no error, just return nil. + (error 'sql-database-data-error + :database database + :expression query-expression + :error-id (mysql-errno mysql-ptr) + :message (mysql-error-string mysql-ptr))))) + (error 'sql-database-data-error + :database database + :expression query-expression + :error-id (mysql-errno mysql-ptr) + :message (mysql-error-string mysql-ptr)))))) (defmethod database-execute-command (sql-expression (database mysql-database)) (uffi:with-cstring (sql-native sql-expression) @@ -269,8 +271,7 @@ :full-set full-set :types (canonicalize-types - result-types num-fields - res-ptr)))) + result-types res-ptr)))) (if full-set (values result-set num-fields @@ -475,8 +476,8 @@ (defmethod database-list (connection-spec (type (eql :mysql))) (destructuring-bind (host name user password &optional port) connection-spec - (declare (ignore name)) - (let ((database (database-connect (list host "mysql" user password port) type))) + (let ((database (database-connect (list host (or name "mysql") + user password port) type))) (unwind-protect (progn (setf (slot-value database 'clsql-sys::state) :open) @@ -765,6 +766,8 @@ #+(or mysql-client-v4.1 mysql-client-v5) t #-(or mysql-client-v4.1 mysql-client-v5) nil) +(defmethod db-type-has-auto-increment? ((db-type (eql :mysql))) + t) + (when (clsql-sys:database-type-library-loaded :mysql) (clsql-sys:initialize-database-type :database-type :mysql)) -