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create table t1 (
pk int primary key,
a int,
b int
);
create table t2 (
pk int primary key,
a int,
b int
);
insert into t1 values
( 1 , 0, 1),
( 2 , 0, 2),
( 3 , 1, 4),
( 4 , 1, 8),
( 5 , 2, 32),
( 6 , 2, 64),
( 7 , 2, 128),
( 8 , 2, 16);
insert into t2 values
( 1 , 0, 2),
( 2 , 0, 2),
( 3 , 1, 4),
( 4 , 1, 4),
( 5 , 2, 16),
( 6 , 2, 64),
( 7 , 2, 128),
( 8 , 2, 16);
--echo # Test bit functions on only one partition.
select pk, a, b,
bit_or(b) over (order by pk) as bit_or,
bit_and(b) over (order by pk) as bit_and,
bit_xor(b) over (order by pk) as bit_xor
from t1;
select pk, a, b,
bit_or(b) over (order by pk) as bit_or,
bit_and(b) over (order by pk) as bit_and,
bit_xor(b) over (order by pk) as bit_xor
from t2;
--echo # Test multiple partitions with bit functions.
select pk, a, b,
bit_or(b) over (partition by a order by pk) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t1;
select pk, a, b,
bit_or(b) over (partition by a order by pk) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t2;
--echo # Test remove function for bit functions using a sliding window.
select pk, a, b,
bit_or(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t1;
select pk, a, b,
bit_or(b) over (partition by a order by pk) as bit_or,
bit_and(b) over (partition by a order by pk) as bit_and,
bit_xor(b) over (partition by a order by pk) as bit_xor
from t2;
#select pk, a, b, bit_or(b) over (order by a) as count from t1 order by a, pk;
#select pk, a, b, bit_and(b) over (order by a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) as count from t1 order by a, pk;
#select pk, a, b, bit_xor(b) over (order by a, pk ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) as count from t2 order by pk;
#select pk, a, b, bit_or(b) over (order by a, pk ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) as count from t2 order by pk;
#select pk, a, b, bit_and(b) over (order by a, pk ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) as count from t3 order by pk;
drop table t1;
drop table t2;
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