total_changes
Description:
Example: Delete:
public static int main (string[] args) {
Sqlite.Database db;
string errmsg;
// Open a database:
int ec = Sqlite.Database.open ("test.db", out db);
if (ec != Sqlite.OK) {
stderr.printf ("Can't open database: %d: %s\n", db.errcode (), db.errmsg ());
return -1;
}
// Required table:
// CREATE TABLE User (
// id INT PRIMARY KEY NOT NULL,
// name TEXT NOT NULL
// );
// Required data:
// INSERT INTO User (id, name) VALUES (1, 'Hesse');
// INSERT INTO User (id, name) VALUES (2, 'Frisch');
// Delete "Frisch" via id:
string query = "DELETE FROM User WHERE id = 2;";
ec = db.exec (query, null, out errmsg);
if (ec != Sqlite.OK) {
stderr.printf ("Error: %s\n", errmsg);
return -1;
}
int changes = db.total_changes ();
print ("Affected rows: %d\n", changes);
return 0;
}
valac --pkg sqlite3 delete.vala