按照这些文档,我一直在尝试为 Sybase SAP SQLAnywhere 16 数据库创建触发器。
目前它在第 15/16 行(更新语句)上出现 -131 语法错误,但我没有在语法中看到任何错误。我在这里做错了什么?
create trigger "DBA"."WKM_autoFillCL143" after insert order 2 on "DBA"."case_checklist"
when ((select top 1 "inserted"."code" from "inserted") in( '143' ) )
begin
declare @parentRef integer;
declare @desc varchar(255);
declare @desc1 varchar(255);
declare @checkID integer;
set @parentRef = (select top 1 "parent_ref" from "inserted");
if (@parentRef <> '0')
then
set @desc = (select "description" from "case_checklist" where "checklist_id" = @parentRef);
if (@desc is not null)
then
set @checkID = (select top 1 "checklist_id" from "inserted");
update "WKM_RecordChecklistMapping" set "c143" = @checkID where "c142" = @parentRef;
declare @tabid integer;
set @tabid = (select top 1 "tab_id" from "WKM_recordChecklistMapping" where "c142" = @parentRef);
set @tabid = (select top 1 "tab_id" from "user_tab2_data" where "tab_id" = @tabid);
if (@tabid is not null)
then
declare @recProvider varchar(255),@recsRequested varchar(255),@dateFrom "datetime",@dateTo "datetime"
set @recProvider = (select top 1 "Provider_Name" from "user_tab2_data" where "tab_id" = @tabid);
set @recsRequested = (select top 1 "Records_Requested" from "user_tab2_data" where "tab_id" = @tabid);
set @dateFrom = (select top 1 "For_Dates_From" from "user_tab2_data" where "tab_id" = @tabid);
set @dateTo = (select top 1 "Through" from "user_tab2_data" where "tab_id" = @tabid);
set @desc1 = 'Receipt '+@recProvider+' Records? '+@recsRequested+', dates '+"coalesce"(convert(varchar(255),@dateFrom,1),'00/00/00')+' to '+"coalesce"(convert(varchar(255),@dateTo,1),'00/00/00');
set @checkID = (select top 1 "checklist_id" from "inserted");
update "case_checklist" set "description" = @desc1,"staff_assigned" = 'ZKS',"due_date" = ("today"()+7) where "checklist_id" = @checkID
end if;
end if;
end if;
end;