r10128: Add SQLite3 backend

[clsql.git] / db-sqlite3 / init-func-sample / example.lisp

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+;;;; -*- Mode: LISP; Syntax: ANSI-Common-Lisp; Base: 10 -*-
+;;;; *************************************************************************
+;;;; FILE IDENTIFICATION
+;;;;
+;;;; Name:     example.lisp
+;;;; Purpose:  Sample code for SQLite 3 initialization functions
+;;;; Authors:  Aurelio Bignoli
+;;;; Created:  Oct 2004
+;;;;
+;;;; $Id$
+;;;;
+;;;; This file, part of CLSQL, is Copyright (c) 2004 by Aurelio Bignoli
+;;;;
+;;;; CLSQL users are granted the rights to distribute and use this software
+;;;; as governed by the terms of the Lisp Lesser GNU Public License
+;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
+;;;; *************************************************************************
+
+;;;; Load CLSQL.
+(asdf:oos 'asdf:load-op :clsql-sqlite3)
+
+;;;; Load sqlite3-utils.so library. See Makefile for library creation.
+(unless (uffi:load-foreign-library "/usr/lib/clsql/sqlite3-utils.so"
+                                  :module "sqlite3-utils"
+                                  :supporting-libraries '("c"))
+  (error "Unable to load foreign library"))
+
+;;;; Define the foreign function to be used as init function.
+(uffi:def-function 
+    ("create_iso_8859_15_ci_collation" create-coll)
+    ((db sqlite3:sqlite3-db))
+  :returning :int
+  :module "sqlite3-utils")
+
+;;;; Create the DB using create-coll as init function.
+(defparameter db-name "init-func-test.db")
+(clsql:destroy-database (list db-name) :database-type :sqlite3)
+(clsql:connect (list db-name #'create-coll) :database-type :sqlite3)
+
+;;;; Create a table. Field f2 uses the newly defined collating
+;;;; sequence.
+(clsql:execute-command 
+ "CREATE TABLE t1 (f1 CHAR(1), f2 CHAR(1) COLLATE ISO_8859_15_CI)")
+
+;;;; Populate the table.
+(clsql:execute-command "INSERT INTO t1 VALUES ('à', 'à')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('a', 'a')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('A', 'A')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('é', 'é')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('e', 'e')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('E', 'E')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('ì', 'ì')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('i', 'i')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('I', 'I')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('ò', 'ò')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('o', 'o')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('O', 'O')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('ù', 'ù')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('u', 'u')")
+(clsql:execute-command "INSERT INTO t1 VALUES ('U', 'U')")
+
+;;;; Perform some SELECTs.
+(format t "~&SELECT * FROM t1 ==> ~A~%"(clsql:query "SELECT * FROM t1"))
+(format t "~&SELECT * FROM t1 ORDER BY f1 ==> ~A~%" 
+       (clsql:query "SELECT * FROM t1 ORDER BY f1"))
+(format t "~&SELECT * FROM t1 ORDER BY f2 ==> ~A~%" 
+       (clsql:query "SELECT * FROM t1 ORDER BY f2"))
+
+;;;; Disconnect from database.
+(clsql:disconnect)
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