queryHttp method
Implementation
Future<String?> queryHttp(Database? database, String cacheKey) async {
return await database
?.rawQuery('SELECT value FROM $dbTableName WHERE cacheKey = \'' +
cacheKey +
"\'")
.then((value) {
if (value.length > 0) {
return value.first.values.first.toString();
} else {
return "";
}
});
}