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pfsqlite

v0.0.5

Published

Interface entre un script 'node.js' et 'sqlite3.exe'

Readme

pfsqlite

(Pour mon utilisation personnelle et privée...)

pfsqlite est une interface simple permettant de faire le lien entre un script node.js et sqlite3.exe (ce wrapper a été testé sous Windows7 et Windows XP)

Comment installer

npm install pfsqlite

IMPORTANT

Il faut avant de commencer, copier le fichier sqlite.exe s'il n'existe pas déjà dans le répertoire suivant : node_modules/pfsqlite/sqlite_exe Pour télécharger sqlite.exe, il faut se rendre sur le site www.sqlite.org (Download Page option command-line shell)

Comment utiliser

var Sql = require("pfsqlite");

var sCr = "create table pays (idx integer primary key autoincrement,"+
		" nom text)";

var sIn = "insert into pays values (null, 'ile');"+
		"insert into pays values (null, 'rempart');"+
		"insert into pays values (null, 'piton');"+
		"insert into pays values (null, 'riviere');"+
		"insert into pays values (null, 'etang')";

var db = new Sql();

db.execute(sCr, function(error, result){
	console.log("Création de la base :", error, result);
	if(error) throw(error);
	db.executescript(sIn, function(error, result){
		console.log("Insertions dans la base :", error, result);
		if(error)throw(error);
		db.execute("select * from pays", function(error, result){
			if(error)throw(error);
			console.log(result);
		});
	});
});

Autre exemple :

var Sql = require("pfsqlite");

var liste = "create table exemple (texte text);"+
        "insert into exemple values ('Ce script');"+
		"insert into exemple values ('ne permet qu');"+
		"insert into exemple values ('une utilisation');"+
		"insert into exemple values ('simplifiée du');"+
		"insert into exemple values ('shell sqlite3');"+
		"select * from exemple";

var db = new Sql();

db.executescript(liste, function(error, result){
	if(error)throw(error);
	console.log(result);
});

Aide :

var maVariableSqlite = new PfSqlite(databasename , exename);
  • datatbasename : nom de la base de données. Par défaut, databasename = "defaultdatabasename.bdd"

  • exename : nom complet (répertoire et fichier) de sqlite3.exe si sqlite3.exe n'est pas copié dans /node_modules/sqlite_exe Par défaut, exename = "node_modules/sqlite_exe/sqlite3.exe"

Méthodes :

.execute(request, callback) : exécute la requête sql request et appelle la fonction callback qui prend deux paramètres : 'error' et 'result'

.executescript(liste_of_request, callback) : identique à .execute, mais peut recevoir plusieurs requêtes à la suite. Attention, seul le résultat de la dernière requête sera retourné.

A chaque fin d'exécution, la méthode transmet à la fonction callback le résultat sous forme de tableau puis, lorsqu'il n'y a plus de résultat : EOF

Remarques : 1-pfsqlite ne gère pas la création de bases de données en mémoire 2-pfsqlite ne donne aucun accés aux commandes en ligne de sqlite3

License

(The MIT License)

Copyright (c) 2013 pjdf974;

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.