交叉制表--检查列的计数值和长度并加入行数据(9) 交叉表 --除了需要证实列的计数值和名称长度,如果一切正常用户还需要填写#rownames表--check column countif (select count(*) from #colnames)1023begin drop table #colnames raiserror 51004 'distinct co
交叉制表--检查列的计数值和长度并加入行数据(9)--除了需要证实列的计数值和名称长度,如果一切正常用户还需要填写#rownames表 --check column count if (select count(*) from #colnames)>1023 begin drop table #colnames raiserror 51004 'distinct column count exceeded max of 1023' return -1 end --verify colnames do not exceed max length if (select max(datalength(rtrim(colname))-1) from #colnames)>29 begin drop table #colnames raiserror 51050 'column data length exceeded max of 30' return -1 end --if all is ok ,continue to add #rownames data select @chvexec='insert #rownames select distinct '+ case @introwtype when 1 then 'convert(varchar(255),' else '' end +rtrim(@chrrowhead)+ case @introwtype when 1 then ')' else '' end +'from '+@chrsource --print @chvexec exec(@chvexec)