//two
create proc proc_system_filter
(
@SQLEx varchar(1000),
@RowCount int output
)
as
begin
declate @strSQL varchar(2000);
set @strSQL='SELECT ''+@ROWCOUNT+''=COUNT(*) FROM TABLE1 WHERE (1>0)';
if(@SQLEx is not null and rtrim(ltrim(@SQLEx))<>'' and @SQLEx<>N'')
begin
set @strsql=@strSQL+@SQLEx;