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-- order by and sort by ordinal positions
create temporary view data as select * from values
(1, 1),
(1, 2),
(2, 1),
(2, 2),
(3, 1),
(3, 2)
as data(a, b);
select * from data order by 1 desc;
-- mix ordinal and column name
select * from data order by 1 desc, b desc;
-- order by multiple ordinals
select * from data order by 1 desc, 2 desc;
-- 1 + 0 is considered a constant (not an ordinal) and thus ignored
select * from data order by 1 + 0 desc, b desc;
-- negative cases: ordinal position out of range
select * from data order by 0;
select * from data order by -1;
select * from data order by 3;
-- sort by ordinal
select * from data sort by 1 desc;
-- turn off order by ordinal
set spark.sql.orderByOrdinal=false;
-- 0 is now a valid literal
select * from data order by 0;
select * from data sort by 0;
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