sql

1. 选出某个条件最新的一条记录

// 选出最新状态下的每一个单号对应的子单数据
select distinct a.receiving_code,a.product_barcode,a.rd_putaway_qty
from odoo_ykd_oversea_shipping_information a 
inner join odoo_ykd_receiving_order_manage b on a.receiving_code=b.receiving_code and a.data_version=b.data_version 
inner join odoo_sync_control_scrapy c on b.data_version=c.data_version 
inner join 
　　(select max(a.odoo_create_time) as odoo_create_time, a.receiving_code 
　　from odoo_ykd_receiving_order_manage a 
　　inner join odoo_sync_control_scrapy b on b.data_version=a.data_version 
　　where a.odoo_create_time < '2020-11-19' group by a.receiving_code) as d 
　　on d.receiving_code=b.receiving_code and d.odoo_create_time=b.odoo_create_time
where c.task_type=1 and c.task_status=2 and c.result_type=1 and c.record_status=1  and c.data_date <= '2020-11-18' and c.data_date > '2020-08-10'

// 或者用这种方式，没写完整，自己补充
with res as(
select id,consignment_no, row_number()over(partition by b.consignment_no  order by b.odoo_create_time desc) as row_n  from odoo_dsf_inbound_order_info)