-- WMS性能与人员账号规范化升级脚本，可在现有数据库上重复执行。

set @idx_exists = (select count(*) from information_schema.statistics
  where table_schema = database() and table_name = 'sys_user' and index_name = 'idx_sys_user_user_name');
set @ddl = if(@idx_exists = 0, 'alter table sys_user add key idx_sys_user_user_name (user_name)', 'select 1');
prepare stmt from @ddl; execute stmt; deallocate prepare stmt;

set @idx_exists = (select count(*) from information_schema.statistics
  where table_schema = database() and table_name = 'warehouse_area' and index_name = 'idx_warehouse_area_name');
set @ddl = if(@idx_exists = 0, 'alter table warehouse_area add key idx_warehouse_area_name (area_name)', 'select 1');
prepare stmt from @ddl; execute stmt; deallocate prepare stmt;

set @idx_exists = (select count(*) from information_schema.statistics
  where table_schema = database() and table_name = 'product_info' and index_name = 'idx_product_info_identity');
set @ddl = if(@idx_exists = 0,
  'alter table product_info add key idx_product_info_identity (product_name, brand, category, spec)', 'select 1');
prepare stmt from @ddl; execute stmt; deallocate prepare stmt;

set @idx_exists = (select count(*) from information_schema.statistics
  where table_schema = database() and table_name = 'purchase_arrival'
    and index_name = 'idx_purchase_arrival_request_status');
set @ddl = if(@idx_exists = 0,
  'alter table purchase_arrival add key idx_purchase_arrival_request_status (purchase_request_id, acceptance_status)',
  'select 1');
prepare stmt from @ddl; execute stmt; deallocate prepare stmt;

set @idx_exists = (select count(*) from information_schema.statistics
  where table_schema = database() and table_name = 'wms_batch_item'
    and index_name = 'idx_wms_batch_item_job_status');
set @ddl = if(@idx_exists = 0,
  'alter table wms_batch_item add key idx_wms_batch_item_job_status (job_id, status)', 'select 1');
prepare stmt from @ddl; execute stmt; deallocate prepare stmt;

set @idx_exists = (select count(*) from information_schema.statistics
  where table_schema = database() and table_name = 'wms_batch_job'
    and index_name = 'idx_wms_batch_job_creator');
set @ddl = if(@idx_exists = 0,
  'alter table wms_batch_job add key idx_wms_batch_job_creator (create_by, id)', 'select 1');
prepare stmt from @ddl; execute stmt; deallocate prepare stmt;

-- 仅在昵称唯一对应一个有效账号时迁移历史数据，避免同名用户被错误关联。
update in_record ir
join (
  select nick_name, min(user_name) as user_name
  from sys_user where del_flag = '0' and nick_name is not null and nick_name != ''
  group by nick_name having count(*) = 1
) u on u.nick_name = ir.in_operator
set ir.in_operator = u.user_name;

update out_record orr
join (
  select nick_name, min(user_name) as user_name
  from sys_user where del_flag = '0' and nick_name is not null and nick_name != ''
  group by nick_name having count(*) = 1
) u on u.nick_name = orr.out_operator
set orr.out_operator = u.user_name;

update stock_check_record scr
join (
  select nick_name, min(user_name) as user_name
  from sys_user where del_flag = '0' and nick_name is not null and nick_name != ''
  group by nick_name having count(*) = 1
) u on u.nick_name = scr.check_user
set scr.check_user = u.user_name;