Hi people
i try to add a database support the the js script in syncrhonet
i use (at moment) sqlite as backend.

i thinking in an object that may be used to easy storage data for door or modules and easy access via sql standard commands.
an simple example of script code :

db = new Sqlite("/tmp/tu_base.db");
db.open();
db.stmt = "CREATE TABLE prueba (field1 int , field2 varchar(100))";
db.exec();
db.stmt = "INSERT INTO prueba (field1,field2) VALUES (10,'hola')";
db.exec();
db.stmt = "SELECT * FROM prueba";
db.exec();
for(i=; i< db.numRows; i++) {
writeln (db.result[i]['field1'] + '-' + db.result[i]['field2']);
}
db.close();

im still working and not yet complete, also i dont know if will add to the futures sync versions.

you can see source code and example here: http://bbs.docksud.com.ar/~ragnarok/sync/js_sqlite/

i wait for comments, suggest or wahtever for people that make js scripts.

Saludos!


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Re: database object
By: Ragnarok to DOVE-Net.Sync_JavaScript on Sun Apr 08 2007 05:32 pm

Hi people
i try to add a database support the the js script in syncrhonet
i use (at moment) sqlite as backend.

i thinking in an object that may be used to easy storage data for door or modules and easy access via sql standard commands.
an simple example of script code :

db = new Sqlite("/tmp/tu_base.db");
db.open();
db.stmt = "CREATE TABLE prueba (field1 int , field2 varchar(100))"; db.exec();

Why not just db.exec("CREATE TABLE prueba (field1 int , field2 varchar(100))") ?

digital man (xbox-live: digitlman)

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Digital Man wrote:

Re: database object
By: Ragnarok to DOVE-Net.Sync_JavaScript on Sun Apr 08 2007 05:32 pm

Hi people
i try to add a database support the the js script in syncrhonet
i use (at moment) sqlite as backend.

i thinking in an object that may be used to easy storage data for door
or modules and easy access via sql standard commands.
an simple example of script code :

db = new Sqlite("/tmp/tu_base.db");
db.open();
db.stmt = "CREATE TABLE prueba (field1 int , field2 varchar(100))"; db.exec();

Why not just db.exec("CREATE TABLE prueba (field1 int , field2 varchar(100))") ?

now, it work as exec(query) too.


--
Dock Sud BBS
http://bbs.docksud.com.ar
telnet://bbs.docksud.com.ar

---
þ Synchronet þ Dock Sud BBS TLD 24 HS - www.docksud.com.ar

Ragnarok wrote:

db = new Sqlite("/tmp/tu_base.db");
db.open();
db.stmt = "CREATE TABLE prueba (field1 int , field2 varchar(100))";
db.exec();

Why not just db.exec("CREATE TABLE prueba (field1 int , field2
varchar(100))") ?

now, it work as exec(query) too.

Suggestion for syntax...

var db = new Sqlite("/tmp/tu_base.db");
try {
db.open(); //throw an object when a connection fails...
var results = db.exec("CREATE TABLE ...");
//should return 0, no rows effected

results = db.query("SELECT ...");
results.rows <-- array of rows
results.columns <-- array of column titles
for (i in results.rows) {
results.rows[i]["columnName"]
...or...
results.rows[i][columnIndex]
}
} catch(dbError) {
console.write("ERROR: " + dbError.message + "\r\n\r\n");
}

Just a suggestion on this, to keep it easy enough to use the results...
a .exec() method which executes the query and returns the rows affected as the result... a .query() method which returns a results object that has a rows array defined (each row containing an associative array for columns, in order)... as well as a columns array listing the column names.. results.rows.length could be used to determin a result count.

Have a DatabaseErrorObject that is thrown when an error state occurs, with a .toString() and .Message properties for use in a result message.

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