setString method
Implementation
Future<dynamic> setString(dbName, String value) async {
Directory documentsDirectory = await getApplicationDocumentsDirectory();
String path = join(documentsDirectory.path, "$dbName.db");
Database _database = await openDatabase(path, version: _databaseVersion,
onCreate: (Database db, int version) async {
await db.execute(
'CREATE TABLE ${dbName}1 (${dbName}_key INTEGER, $dbName TEXT)');
});
Database db = _database;
var getValue;
getValue = Sqflite.firstIntValue(
await db.rawQuery('SELECT COUNT(*) FROM ${dbName}1'));
if (getValue == 0) {
print("data will be inserted");
return await db.transaction((txn) async {
return await txn.rawInsert(
'INSERT INTO ${dbName}1(${dbName}_key, $dbName) VALUES(?, ?)',
[1, value]);
});
} else {
print("data will be updated");
return await db.rawUpdate(
'UPDATE ${dbName}1 SET ${dbName}_key = ?, $dbName = ?', [1, value]);
}
}