if (select count(*) from syscolumn where column_name='DateDanEvent' and
    table_id=(select table_id from systable where table_name='VaucherInvoices')) =0 then

Alter table  VaucherInvoices
Add  DateDanEvent date

end if;

GO

COMMENT ON
COLUMN VaucherInvoices.DateDanEvent
is 'Data na danachno sabitie'

GO

if (select count(*) from syscolumn where column_name='DateDanEvent' and
    table_id=(select table_id from systable where table_name='Proform')) =0 then

Alter table  Proform
Add  DateDanEvent date

end if;


GO

COMMENT ON
COLUMN Proform.DateDanEvent
is 'Data na danachno sabitie'

GO

if (select count(*) from syscolumn where column_name='DateDanEvent' and
    table_id=(select table_id from systable where table_name='Invoices')) =0 then

Alter table  Invoices
Add  DateDanEvent date

end if;

GO

COMMENT ON
COLUMN Invoices.DateDanEvent
is 'Data na danachno sabitie'