query method
Future<String?>
query({
- required String schema,
- required String fields,
- required SqlWhereBuilder builder,
查询数据(当前执行sql后查询有多条记录时默认返回第一条)
schema
数据表结构
fields
数据表字段
返回json数据
Implementation
Future<String?> query({required String schema, required String fields, required SqlWhereBuilder builder}) {
return _dataFactory.onHandle<String>(DbOperationType.query, schema, fields, builder: builder);
}