X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=examples%2Fclsql-tutorial.lisp;h=118ea2023ddb2f95756e6998460ef4ffce27e8a7;hb=d9f41af62750c622945bb17b622a39689ee5b840;hp=bb976a7883f64c085c81cb43c72e170fdc1040a1;hpb=9dd1aaa4e36d0d9a13e68cb501f1d17dbb10c209;p=clsql.git diff --git a/examples/clsql-tutorial.lisp b/examples/clsql-tutorial.lisp index bb976a7..118ea20 100644 --- a/examples/clsql-tutorial.lisp +++ b/examples/clsql-tutorial.lisp @@ -4,8 +4,9 @@ ;; You must set these variables to appropriate values. (defvar *tutorial-database-type* nil - "Possible values are :postgresql,:postgresql-socket :mysql or :sqlite") -(defvar *tutorial-database-name* "" + "Possible values are :postgresql,:postgresql-socket :mysql, +:oracle, :odbc, :aodbc or :sqlite") +(defvar *tutorial-database-name* "clsqltut" "The name of the database we will work in.") (defvar *tutorial-database-user* "" "The name of the database user we will work as.") @@ -18,7 +19,6 @@ ((emplid :db-kind :key :db-constraints :not-null - :nulls-ok nil :type integer :initarg :emplid) (first-name @@ -32,10 +32,10 @@ (email :accessor employee-email :type (string 100) - :nulls-ok t :initarg :email) (companyid - :type integer) + :type integer + :initarg :companyid) (company :accessor employee-company :db-kind :join @@ -45,7 +45,7 @@ :set nil)) (managerid :type integer - :nulls-ok t) + :initarg :managerid) (manager :accessor employee-manager :db-kind :join @@ -65,7 +65,8 @@ :type (string 100) :initarg :name) (presidentid - :type integer) + :type integer + :initarg :presidentid) (president :reader president :db-kind :join @@ -84,11 +85,21 @@ ;; Connect to the database (see the CLSQL documentation for vendor ;; specific connection specs). -(clsql:connect `(,*tutorial-database-server* - ,*tutorial-database-name* - ,*tutorial-database-user* - ,*tutorial-database-password*) - :database-type *tutorial-database-type*) +(case *tutorial-database-type* + ((:mysql :postgresql) + (clsql:connect `(,*tutorial-database-server* + ,*tutorial-database-name* + ,*tutorial-database-user* + ,*tutorial-database-password*) + :database-type *tutorial-database-type*)) + ((:odbc :aodbc :oracle) + (clsql:connect `(,*tutorial-database-name* + ,*tutorial-database-user* + ,*tutorial-database-password*) + :database-type *tutorial-database-type*)) + (:sqlite + (clsql:connect `(,*tutorial-database-name*) + :database-type *tutorial-database-type*))) ;; Record the sql going out, helps us learn what is going ;; on behind the scenes @@ -105,42 +116,35 @@ ;; Create some instances of our view classes +(defvar company1 (make-instance 'company + :companyid 1 + :name "Widgets Inc." + ;; Lenin is president of Widgets Inc. + :presidentid 1)) + (defvar employee1 (make-instance 'employee :emplid 1 :first-name "Vladamir" :last-name "Lenin" - :email "lenin@soviet.org")) - -(defvar company1 (make-instance 'company - :companyid 1 - :name "Widgets Inc.")) - + :email "lenin@soviet.org" + :companyid 1)) (defvar employee2 (make-instance 'employee :emplid 2 :first-name "Josef" :last-name "Stalin" - :email "stalin@soviet.org")) - -;; Lenin manages Stalin (for now) -(clsql:add-to-relation employee2 'manager employee1) - -;; Lenin and Stalin both work for Widgets Inc. -(clsql:add-to-relation company1 'employees employee1) -(clsql:add-to-relation company1 'employees employee2) - -;; Lenin is president of Widgets Inc. -(clsql:add-to-relation company1 'president employee1) + :email "stalin@soviet.org" + :companyid 1 + ;; Lenin manages Stalin (for now) + :managerid 1)) (clsql:update-records-from-instance employee1) (clsql:update-records-from-instance employee2) (clsql:update-records-from-instance company1) -;; lets us use the functional -;; sql interface +;; lets use the functional sql interface (clsql:locally-enable-sql-reader-syntax) - (format t "The email address of ~A ~A is ~A" (first-name employee1) (last-name employee1) @@ -153,7 +157,8 @@ (let ((new-lenin (car (clsql:select 'employee - :where [= [slot-value 'employee 'emplid] 1])))) + :where [= [slot-value 'employee 'emplid] 1] + :flatp t)))) (format t "His new email is ~A" (employee-email new-lenin)))