mirror of
https://github.com/MariaDB/server.git
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117 lines
2.5 KiB
Text
117 lines
2.5 KiB
Text
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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# 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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pk a b bit_or bit_and bit_xor
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1 0 1 1 1 1
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2 0 2 3 0 3
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3 1 4 7 0 7
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4 1 8 15 0 15
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5 2 32 47 0 47
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6 2 64 111 0 111
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7 2 128 239 0 239
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8 2 16 255 0 255
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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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pk a b bit_or bit_and bit_xor
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1 0 2 2 2 2
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2 0 2 2 2 0
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3 1 4 6 0 4
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4 1 4 6 0 0
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5 2 16 22 0 16
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6 2 64 86 0 80
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7 2 128 214 0 208
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8 2 16 214 0 192
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# 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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pk a b bit_or bit_and bit_xor
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1 0 1 1 1 1
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2 0 2 3 0 3
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3 1 4 4 4 4
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4 1 8 12 0 12
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5 2 32 32 32 32
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6 2 64 96 0 96
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7 2 128 224 0 224
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8 2 16 240 0 240
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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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pk a b bit_or bit_and bit_xor
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1 0 2 2 2 2
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2 0 2 2 2 0
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3 1 4 4 4 4
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4 1 4 4 4 0
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5 2 16 16 16 16
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6 2 64 80 0 80
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7 2 128 208 0 208
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8 2 16 208 0 192
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# 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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pk a b bit_or bit_and bit_xor
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1 0 1 3 1 1
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2 0 2 3 0 3
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3 1 4 12 4 4
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4 1 8 12 0 12
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5 2 32 96 32 32
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6 2 64 224 0 96
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7 2 128 208 0 224
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8 2 16 144 0 240
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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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pk a b bit_or bit_and bit_xor
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1 0 2 2 2 2
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2 0 2 2 2 0
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3 1 4 4 4 4
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4 1 4 4 4 0
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5 2 16 16 16 16
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6 2 64 80 0 80
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7 2 128 208 0 208
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8 2 16 208 0 192
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drop table t1;
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drop table t2;
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