X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=db-mysql%2Fmysql-sql.lisp;h=074f24eb4a3043b1319c5ad84f3434dd6ec6a313;hb=6cee91ae8461fd78454da4781c008398ad06abe2;hp=0f50e6c51d0d196e3416d342349cf99b5c2c9366;hpb=5691bb90517d7c565a141d131da76c3de1f8d566;p=clsql.git diff --git a/db-mysql/mysql-sql.lisp b/db-mysql/mysql-sql.lisp index 0f50e6c..074f24e 100644 --- a/db-mysql/mysql-sql.lisp +++ b/db-mysql/mysql-sql.lisp @@ -78,7 +78,9 @@ (check-connection-spec connection-spec database-type (host db user password)) (destructuring-bind (host db user password) connection-spec (declare (ignore password)) - (concatenate 'string host "/" db "/" user))) + (concatenate 'string + (if host host "localhost") + "/" db "/" user))) (defmethod database-connect (connection-spec (database-type (eql :mysql))) (check-connection-spec connection-spec database-type (host db user password)) @@ -112,6 +114,7 @@ (make-instance 'mysql-database :name (database-name-from-spec connection-spec database-type) + :database-type :mysql :connection-spec connection-spec :mysql-ptr mysql-ptr)) (when error-occurred (mysql-close mysql-ptr))))))))) @@ -167,43 +170,6 @@ :errno (mysql-errno mysql-ptr) :error (mysql-error-string mysql-ptr)))))) -#+ignore -(defmethod database-query (query-expression (database mysql-database) - result-types) - (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-query mysql-ptr query-native)) - (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)) - (loop for row = (mysql-fetch-row res-ptr) - until (uffi:null-pointer-p row) - collect - (loop for i fixnum from 0 below num-fields - collect - (convert-raw-field - (uffi:deref-array row '(:array - (* :unsigned-char)) - i) - result-types i)))) - (mysql-free-result res-ptr)) - (error 'clsql-sql-error - :database database - :expression query-expression - :errno (mysql-errno mysql-ptr) - :error (mysql-error-string mysql-ptr)))) - (error 'clsql-sql-error - :database database - :expression query-expression - :errno (mysql-errno mysql-ptr) - :error (mysql-error-string mysql-ptr)))))) - (defmethod database-execute-command (sql-expression (database mysql-database)) (uffi:with-cstring (sql-native sql-expression) (let ((mysql-ptr (database-mysql-ptr database))) @@ -295,7 +261,7 @@ (declare (ignore owner)) (remove-if #'(lambda (s) (and (>= (length s) 11) - (string= (subseq s 0 11) "_clsql_seq_"))) + (string-equal (subseq s 0 11) "_CLSQL_SEQ_"))) (mapcar #'car (database-query "SHOW TABLES" database nil)))) ;; MySQL 4.1 does not support views @@ -308,10 +274,22 @@ &key (owner nil)) (let ((result '())) (dolist (table (database-list-tables database :owner owner) result) - (mapc #'(lambda (index) (push (nth 2 index) result)) - (database-query - (format nil "SHOW INDEX FROM ~A" (string-upcase table)) - database nil))))) + (setq result + (append (database-list-table-indexes table database :owner owner) + result))))) + +(defmethod database-list-table-indexes (table (database mysql-database) + &key (owner nil)) + (declare (ignore owner)) + (do ((results nil) + (rows (database-query + (format nil "SHOW INDEX FROM ~A" (string-upcase table)) + database nil) + (cdr rows))) + ((null rows) (nreverse results)) + (let ((col (nth 2 (car rows)))) + (unless (find col results :test #'string-equal) + (push col results))))) (defmethod database-list-attributes ((table string) (database mysql-database) &key (owner nil)) @@ -340,11 +318,11 @@ ;;; Sequence functions (defun %sequence-name-to-table (sequence-name) - (concatenate 'string "_clsql_seq_" (sql-escape sequence-name))) + (concatenate 'string "_CLSQL_SEQ_" (sql-escape sequence-name))) (defun %table-name-to-sequence-name (table-name) (and (>= (length table-name) 11) - (string= (subseq table-name 0 11) "_clsql_seq_") + (string-equal (subseq table-name 0 11) "_CLSQL_SEQ_") (subseq table-name 11))) (defmethod database-create-sequence (sequence-name @@ -368,9 +346,10 @@ (defmethod database-list-sequences ((database mysql-database) &key (owner nil)) (declare (ignore owner)) - (mapcar #'(lambda (s) (%table-name-to-sequence-name (car s))) - (database-query "SHOW TABLES LIKE '%clsql_seq%'" - database nil))) + (mapcan #'(lambda (s) + (let ((sn (%table-name-to-sequence-name (car s)))) + (and sn (list sn)))) + (database-query "SHOW TABLES" database nil))) (defmethod database-set-sequence-position (sequence-name (position integer) @@ -382,37 +361,85 @@ (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database))) (defmethod database-sequence-next (sequence-name (database mysql-database)) - (database-execute-command - (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name) - " SET id=LAST_INSERT_ID(id+1)") - database) - (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database))) + (without-interrupts + (database-execute-command + (concatenate 'string "UPDATE " (%sequence-name-to-table sequence-name) + " SET id=LAST_INSERT_ID(id+1)") + database) + (mysql:mysql-insert-id (clsql-mysql::database-mysql-ptr database)))) (defmethod database-sequence-last (sequence-name (database mysql-database)) (declare (ignore sequence-name))) -;; Functions depending upon high-level CommonSQL classes/functions -#| -(defmethod database-output-sql ((expr clsql-sys::sql-typecast-exp) - (database mysql-database)) - (with-slots (clsql-sys::modifier clsql-sys::components) - expr - (if clsql-sys::modifier - (progn - (clsql-sys::output-sql clsql-sys::components database) - (write-char #\: sql-sys::*sql-stream*) - (write-char #\: sql-sys::*sql-stream*) - (write-string (symbol-name clsql-sys::modifier) - clsql-sys::*sql-stream*))))) - -(defmethod database-output-sql-as-type ((type (eql 'integer)) val - (database mysql-database)) - ;; typecast it so it uses the indexes - (when val - (make-instance 'clsql-sys::sql-typecast-exp - :modifier 'int8 - :components val))) -|# +(defmethod database-create (connection-spec (type (eql :mysql))) + (destructuring-bind (host name user password) connection-spec + (multiple-value-bind (output status) + (clsql-base-sys:command-output "mysqladmin create -u~A -p~A -h~A ~A" + user password + (if host host "localhost") + name) + (if (or (not (eql 0 status)) + (and (search "failed" output) (search "error" output))) + (error 'clsql-access-error + :connection-spec connection-spec + :database-type type + :error + (format nil "database-create failed: ~A" output)) + t)))) + +(defmethod database-destroy (connection-spec (type (eql :mysql))) + (destructuring-bind (host name user password) connection-spec + (multiple-value-bind (output status) + (clsql-base-sys:command-output "mysqladmin drop -f -u~A -p~A -h~A ~A" + user password + (if host host "localhost") + name) + (if (or (not (eql 0 status)) + (and (search "failed" output) (search "error" output))) + (error 'clsql-access-error + :connection-spec connection-spec + :database-type type + :error + (format nil "database-destroy failed: ~A" output)) + t)))) + +(defmethod database-probe (connection-spec (type (eql :mysql))) + (when (find (second connection-spec) (database-list connection-spec type) + :key #'car :test #'string-equal) + t)) + +(defmethod database-list (connection-spec (type (eql :mysql))) + (destructuring-bind (host name user password) connection-spec + (declare (ignore name)) + (let ((database (database-connect (list host "mysql" user password) type))) + (unwind-protect + (progn + (setf (slot-value database 'clsql-base-sys::state) :open) + (mapcar #'car (database-query "show databases" database :auto))) + (progn + (database-disconnect database) + (setf (slot-value database 'clsql-base-sys::state) :closed)))))) + +;;; Database capabilities + +(defmethod db-type-use-column-on-drop-index? ((db-type (eql :mysql))) + t) + +(defmethod db-type-has-views? ((db-type (eql :mysql))) + ;; MySQL 4.1 will apparently have views, need to check *mysql-client-info* + nil) + +(defmethod db-type-has-subqueries? ((db-type (eql :mysql))) + ;; MySQL 4.1 will apparently have subqueries, need to check *mysql-client-info* + nil) + +(defmethod db-type-has-boolean-where? ((db-type (eql :mysql))) + nil) + +(defmethod db-type-transaction-capable? ((db-type (eql :mysql)) database) + (let ((tuple (car (database-query "SHOW VARIABLES LIKE 'HAVE_INNODB'" database :auto)))) + (and tuple (string-equal "YES" (second tuple))))) (when (clsql-base-sys:database-type-library-loaded :mysql) (clsql-base-sys:initialize-database-type :database-type :mysql)) +