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