X-Git-Url: http://git.kpe.io/?p=clsql.git;a=blobdiff_plain;f=sql%2Ftransaction.lisp;h=1c6e98b7131f45ba439e21af4712a43d97eec56c;hp=a9df87fd59f9f579c4aadf19a9b804c832397b30;hb=refs%2Ftags%2Fv3.8.6;hpb=fd2493718d0e1114fcbe3dd578dab658ea383e81 diff --git a/sql/transaction.lisp b/sql/transaction.lisp index a9df87f..1c6e98b 100644 --- a/sql/transaction.lisp +++ b/sql/transaction.lisp @@ -18,11 +18,11 @@ ((commit-hooks :initform () :accessor commit-hooks) (rollback-hooks :initform () :accessor rollback-hooks) (previous-autocommit :initarg :previous-autocommit - :reader previous-autocommit) + :reader previous-autocommit) (status :initform nil :accessor transaction-status - :documentation "nil or :committed"))) + :documentation "nil or :committed"))) -(defun add-transaction-commit-hook (commit-hook &key +(defun add-transaction-commit-hook (commit-hook &key (database *default-database*)) "Adds COMMIT-HOOK, which should a designator for a function with no required arguments, to the list of hooks run when COMMIT @@ -30,7 +30,7 @@ is called on DATABASE which defaults to *DEFAULT-DATABASE*." (when (transaction database) (push commit-hook (commit-hooks (transaction database))))) -(defun add-transaction-rollback-hook (rollback-hook +(defun add-transaction-rollback-hook (rollback-hook &key (database *default-database*)) "Adds ROLLBACK-HOOK, which should a designator for a function with no required arguments, to the list of hooks run when ROLLBACK @@ -40,11 +40,11 @@ is called on DATABASE which defaults to *DEFAULT-DATABASE*." (defmethod database-start-transaction ((database database)) (unless (transaction database) - (setf (transaction database) - (make-instance 'transaction :previous-autocommit - (database-autocommit database)))) + (setf (transaction database) + (make-instance 'transaction :previous-autocommit + (database-autocommit database)))) (setf (database-autocommit database) nil) - (when (= (incf (transaction-level database) 1)) + (when (= (incf (transaction-level database)) 1) (let ((transaction (transaction database))) (setf (commit-hooks transaction) nil (rollback-hooks transaction) nil @@ -54,30 +54,37 @@ is called on DATABASE which defaults to *DEFAULT-DATABASE*." (:mssql (execute-command "BEGIN TRANSACTION" :database database)) (t (execute-command "BEGIN" :database database)))))) +;;ODBC should potentially be using it's scheme for transactions: +;; turn off autocommit for begin. then use sqlendtran (or maybe sqltransact) +;; whatever is appropriate for this version of odbc. (defmethod database-commit-transaction ((database database)) (with-slots (transaction transaction-level autocommit) database (if (plusp transaction-level) (when (zerop (decf transaction-level)) - (execute-command "COMMIT" :database database) - (setf autocommit (previous-autocommit transaction)) + (case (database-underlying-type database) + (:mssql (execute-command "COMMIT TRANSACTION" :database database)) + (t (execute-command "COMMIT" :database database))) + (setf autocommit (previous-autocommit transaction)) (map nil #'funcall (commit-hooks transaction))) (warn 'sql-warning :message - (format nil "Cannot commit transaction against ~A because there is no transaction in progress." - database))))) + (format nil "Cannot commit transaction against ~A because there is no transaction in progress." + database))))) (defmethod database-abort-transaction ((database database)) (with-slots (transaction transaction-level autocommit) database (if (plusp transaction-level) (when (zerop (decf transaction-level)) - (unwind-protect - (execute-command "ROLLBACK" :database database) - (setf autocommit (previous-autocommit transaction)) + (unwind-protect + (case (database-underlying-type database) + (:mssql (execute-command "ROLLBACK TRANSACTION" :database database)) + (t (execute-command "ROLLBACK" :database database))) + (setf autocommit (previous-autocommit transaction)) (map nil #'funcall (rollback-hooks transaction)))) (warn 'sql-warning - :message - (format nil "Cannot abort transaction against ~A because there is no transaction in progress." - database))))) + :message + (format nil "Cannot abort transaction against ~A because there is no transaction in progress." + database))))) (defun mark-transaction-committed (database) (when (and (transaction database) @@ -106,14 +113,14 @@ back and otherwise the transaction is committed." currently within the scope of a transaction, commits changes made since the transaction began." (database-commit-transaction database) - nil) + nil) (defun rollback (&key (database *default-database*)) "If DATABASE, which defaults to *DEFAULT-DATABASE*, is currently within the scope of a transaction, rolls back changes made since the transaction began." (database-abort-transaction database) - nil) + nil) (defun start-transaction (&key (database *default-database*)) "Starts a transaction block on DATABASE which defaults to