//
// query_builder.go
// Copyright (C) 2023 tiglog <me@tiglog.com>
//
// Distributed under terms of the MIT license.
//

package sqldb

import "reflect"

// 该功能用于改善记录查询，避免直接写表名
// TODO 实现 query builder

type join_item struct {
	way   string
	table string
	on    string
}

type query_builder struct {
	table   string
	fields  string
	conds   []string
	orderBy string
	offset  int
	limit   int
	joins   []join_item
}

func FromEntity(ent any) *query_builder {
	tabM, err := dm.TableFor(reflect.TypeOf(ent), false)
	if err != nil {
		return nil
	}

	return &query_builder{
		table: tabM.TableName,
	}
}