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|
SET SESSION windowing_use_high_precision=FALSE;
CREATE TABLE t(i INT, li BIGINT, b VARBINARY(8), lb VARBINARY(24), d DOUBLE GENERATED ALWAYS AS (i*1.0));
INSERT INTO t(i, li, b, lb) VALUES
(NULL, NULL, NULL, NULL),
(0, 0, X'0000000000000000',
X'000000000000000000000000000000000000000000000000'),
(0, 0, X'0000000000000000',
X'000000000000000000000000000000000000000000000000'),
(1, 1, X'0000000000000001',
X'000000000000000000000000000000000000000000000001'),
(1, 1, X'0000000000000001',
X'000000000000000000000000000000000000000000000001'),
(2, 2, X'0000000000000002',
X'000000000000000000000000000000000000000000000002'),
(2, 2, X'0000000000000002',
X'000000000000000000000000000000000000000000000002'),
(3, 3, X'0000000000000003',
X'000000000000000000000000000000000000000000000003'),
(3, 3, X'0000000000000003',
X'000000000000000000000000000000000000000000000003'),
(4, 4, X'0000000000000004',
X'000000000000000000000000000000000000000000000004'),
(4, 4, X'0000000000000004',
X'000000000000000000000000000000000000000000000004'),
(5, 5, X'0000000000000005',
X'000000000000000000000000000000000000000000000005'),
(6, 6, X'0000000000000006',
X'000000000000000000000000000000000000000000000006'),
(X'01234567', X'0123456789ABCDEF', X'0123456789ABCDEF',
X'000000000000000000000000000000000123456789ABCDEF'),
(X'01200567', X'0120056789ABCDEF', X'0120056789ABCDEF',
X'0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF'),
(X'01200567', X'0120056789ABCDEF', X'0120056789ABCDEF',
X'0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF'),
(X'01200117', X'0120011789ABCDEF', X'0120011789ABCDEF',
X'0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF');
Ascending
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_OR(i) OVER w), HEX(BIT_OR(li) OVER w),
HEX(BIT_OR(b) OVER w), HEX(BIT_OR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_OR(i) OVER w) HEX(BIT_OR(li) OVER w) HEX(BIT_OR(b) OVER w) HEX(BIT_OR(lb) OVER w) dsum
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 2
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 4
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 5
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 8
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 10
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 11
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 18874658
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 37750404
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 56626149
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 0120056789ABCDEF0120056789ABCDEF0123456789ABCDEF 56840245
Show whether we run in optimized or non-optimized mode, cf.
our dummy double d SUM which forces non-optimized mode
iff windowing_use_high_precision==TRUE
ANALYZE TABLE t;
Table Op Msg_type Msg_text
test.t analyze status OK
EXPLAIN FORMAT=JSON
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_OR(i) OVER w), HEX(BIT_OR(li) OVER w),
HEX(BIT_OR(b) OVER w), HEX(BIT_OR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
EXPLAIN
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "18.95"
},
"windowing": {
"windows": [
{
"name": "w",
"using_filesort": true,
"filesort_key": [
"`i`"
],
"frame_buffer": {
"using_temporary_table": true,
"optimized_frame_evaluation": true
},
"functions": [
"bit_or",
"bit_or",
"bit_or",
"bit_or",
"sum"
]
}
],
"cost_info": {
"sort_cost": "17.00"
},
"table": {
"table_name": "t",
"access_type": "ALL",
"rows_examined_per_scan": 17,
"rows_produced_per_join": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "1.70",
"prefix_cost": "1.95",
"data_read_per_join": "952"
},
"used_columns": [
"i",
"li",
"b",
"lb",
"d"
]
}
}
}
}
Warnings:
Note 1003 /* select#1 */ select hex(`test`.`t`.`i`) AS `HEX(i)`,hex(`test`.`t`.`li`) AS `HEX(li)`,hex(`test`.`t`.`b`) AS `HEX(b)`,hex(`test`.`t`.`lb`) AS `HEX(lb)`,hex(bit_or(`test`.`t`.`i`) OVER `w`) AS `HEX(BIT_OR(i) OVER w)`,hex(bit_or(`test`.`t`.`li`) OVER `w`) AS `HEX(BIT_OR(li) OVER w)`,hex(bit_or(`test`.`t`.`b`) OVER `w`) AS `HEX(BIT_OR(b) OVER w)`,hex(bit_or(`test`.`t`.`lb`) OVER `w`) AS `HEX(BIT_OR(lb) OVER w)`,sum(`test`.`t`.`d`) OVER `w` AS `dsum` from `test`.`t` window `w` AS (ORDER BY `test`.`t`.`i` ROWS BETWEEN 2 PRECEDING AND CURRENT ROW)
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_XOR(i) OVER w), HEX(BIT_XOR(li) OVER w),
HEX(BIT_XOR(b) OVER w), HEX(BIT_XOR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_XOR(i) OVER w) HEX(BIT_XOR(li) OVER w) HEX(BIT_XOR(b) OVER w) HEX(BIT_XOR(lb) OVER w) dsum
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
2 2 0000000000000002 000000000000000000000000000000000000000000000002 2 2 0000000000000002 000000000000000000000000000000000000000000000002 4
2 2 0000000000000002 000000000000000000000000000000000000000000000002 1 1 0000000000000001 000000000000000000000000000000000000000000000001 5
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
4 4 0000000000000004 000000000000000000000000000000000000000000000004 4 4 0000000000000004 000000000000000000000000000000000000000000000004 10
4 4 0000000000000004 000000000000000000000000000000000000000000000004 3 3 0000000000000003 000000000000000000000000000000000000000000000003 11
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200114 120011789ABCDEC 0120011789ABCDEC 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEC 18874658
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 476 47000000006 0000047000000006 000004700000000000000470000000000000047000000006 37750404
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 56626149
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 56840245
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_AND(i) OVER w), HEX(BIT_AND(li) OVER w),
HEX(BIT_AND(b) OVER w), HEX(BIT_AND(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_AND(i) OVER w) HEX(BIT_AND(li) OVER w) HEX(BIT_AND(b) OVER w) HEX(BIT_AND(lb) OVER w) dsum
NULL NULL NULL NULL FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF NULL
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 1
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 4
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 5
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 7
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 10
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 11
5 5 0000000000000005 000000000000000000000000000000000000000000000005 4 4 0000000000000004 000000000000000000000000000000000000000000000004 13
6 6 0000000000000006 000000000000000000000000000000000000000000000006 4 4 0000000000000004 000000000000000000000000000000000000000000000004 15
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 4 4 0000000000000004 000000000000000000000000000000000000000000000004 18874658
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 6 6 0000000000000006 000000000000000000000000000000000000000000000006 37750404
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200107 120010789ABCDEF 0120010789ABCDEF 0120010789ABCDEF0120010789ABCDEF0120010789ABCDEF 56626149
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1200567 120056789ABCDEF 0120056789ABCDEF 000000000000000000000000000000000120056789ABCDEF 56840245
Descending: NULLS last
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_OR(i) OVER w), HEX(BIT_OR(li) OVER w),
HEX(BIT_OR(b) OVER w), HEX(BIT_OR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i DESC ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_OR(i) OVER w) HEX(BIT_OR(li) OVER w) HEX(BIT_OR(b) OVER w) HEX(BIT_OR(lb) OVER w) dsum
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 0120056789ABCDEF0120056789ABCDEF0123456789ABCDEF 56840245
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 56626149
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 37750404
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 18874658
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 11
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 10
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 8
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 5
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 4
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 2
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_XOR(i) OVER w), HEX(BIT_XOR(li) OVER w),
HEX(BIT_XOR(b) OVER w), HEX(BIT_XOR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i DESC ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_XOR(i) OVER w) HEX(BIT_XOR(li) OVER w) HEX(BIT_XOR(b) OVER w) HEX(BIT_XOR(lb) OVER w) dsum
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 56840245
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 56626149
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 476 47000000006 0000047000000006 000004700000000000000470000000000000047000000006 37750404
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200114 120011789ABCDEC 0120011789ABCDEC 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEC 18874658
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
4 4 0000000000000004 000000000000000000000000000000000000000000000004 3 3 0000000000000003 000000000000000000000000000000000000000000000003 11
4 4 0000000000000004 000000000000000000000000000000000000000000000004 4 4 0000000000000004 000000000000000000000000000000000000000000000004 10
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
2 2 0000000000000002 000000000000000000000000000000000000000000000002 1 1 0000000000000001 000000000000000000000000000000000000000000000001 5
2 2 0000000000000002 000000000000000000000000000000000000000000000002 2 2 0000000000000002 000000000000000000000000000000000000000000000002 4
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_AND(i) OVER w), HEX(BIT_AND(li) OVER w),
HEX(BIT_AND(b) OVER w), HEX(BIT_AND(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i DESC ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_AND(i) OVER w) HEX(BIT_AND(li) OVER w) HEX(BIT_AND(b) OVER w) HEX(BIT_AND(lb) OVER w) dsum
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1200567 120056789ABCDEF 0120056789ABCDEF 000000000000000000000000000000000120056789ABCDEF 56840245
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200107 120010789ABCDEF 0120010789ABCDEF 0120010789ABCDEF0120010789ABCDEF0120010789ABCDEF 56626149
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 6 6 0000000000000006 000000000000000000000000000000000000000000000006 37750404
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 4 4 0000000000000004 000000000000000000000000000000000000000000000004 18874658
6 6 0000000000000006 000000000000000000000000000000000000000000000006 4 4 0000000000000004 000000000000000000000000000000000000000000000004 15
5 5 0000000000000005 000000000000000000000000000000000000000000000005 4 4 0000000000000004 000000000000000000000000000000000000000000000004 13
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 11
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 10
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 7
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 5
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 4
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 1
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
NULL NULL NULL NULL FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF NULL
Test that varying length string give an error if in same partition
Insert a short b at end of partition
INSERT INTO t(i, li, b, lb) VALUES
(10, 10, x'0A', x'00000000000000000000000000000000000000000000000A');
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
ERROR HY000: Binary operands of bitwise operators must be of equal length
DELETE FROM t WHERE i = 10;
Insert a short b at start of partition
INSERT INTO t(i, li, b, lb) VALUES
(-1, -1, x'0A', x'00000000000000000000000000000000000000000000000A');
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
ERROR HY000: Binary operands of bitwise operators must be of equal length
DELETE FROM t WHERE i = -1;
Insert a short b in middle of partition
INSERT INTO t(i, li, b, lb) VALUES
(4, 4, x'04', x'000000000000000000000000000000000000000000000004');
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
ERROR HY000: Binary operands of bitwise operators must be of equal length
Partitioning on bit string length should make it work again
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (PARTITION BY LENGTH(b) ORDER BY i ROWS 2 PRECEDING);
HEX(BIT_AND(b) OVER w) dsum
FFFFFFFFFFFFFFFF NULL
04 4
0000000000000000 0
0000000000000000 0
0000000000000000 1
0000000000000000 2
0000000000000000 4
0000000000000000 5
0000000000000002 7
0000000000000002 8
0000000000000000 10
0000000000000000 11
0000000000000004 13
0000000000000004 15
0000000000000004 18874658
0000000000000006 37750404
0120010789ABCDEF 56626149
0120056789ABCDEF 56840245
DROP TABLE t;
Test with empty frame at beginning and end: bitops don't get
NULL then but a "neutral" value
CREATE TABLE t(
c0004 LONGTEXT CHARACTER SET latin1 COLLATE latin1_bin
GENERATED ALWAYS AS (_utf8mb4'1') VIRTUAL NOT NULL,
d DOUBLE GENERATED ALWAYS AS (1.0))
ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
INSERT INTO t VALUES (), (), (), (), ();
SELECT c0004,
BIT_AND(c0004) OVER w,
BIT_OR(c0004) OVER w,
BIT_XOR(c0004) OVER w,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY c0004 ROWS BETWEEN 5 PRECEDING AND 3 PRECEDING);
c0004 BIT_AND(c0004) OVER w BIT_OR(c0004) OVER w BIT_XOR(c0004) OVER w dsum
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
1 1 1 1 1
1 1 1 0 2
SELECT c0004,
BIT_AND(c0004) OVER w,
BIT_OR(c0004) OVER w,
BIT_XOR(c0004) OVER w,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY c0004 ROWS BETWEEN 3 FOLLOWING AND 5 FOLLOWING);
c0004 BIT_AND(c0004) OVER w BIT_OR(c0004) OVER w BIT_XOR(c0004) OVER w dsum
1 1 1 0 2
1 1 1 1 1
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
DROP TABLE t;
CREATE TABLE t(i int, b VARBINARY(511), d DOUBLE GENERATED ALWAYS AS (i*1.0));
INSERT INTO t(i,b) VALUES (1, REPEAT(x'00', 511)),
(1, REPEAT(x'FF', 511)),
(1, REPEAT(x'77', 511)),
(1, REPEAT(x'11', 511));
SELECT '---',
HEX(BIT_OR(b) OVER w) AS `OR`,
HEX(BIT_AND(b) OVER w) AS `AND`,
HEX(BIT_XOR(b) OVER w) AS `XOR`,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS BETWEEN 1 PRECEDING AND CURRENT ROW);
--- ---
OR 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
AND 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
XOR 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
dsum 1
--- ---
OR FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
AND 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
XOR FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
dsum 2
--- ---
OR FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
AND 77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
XOR 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888
dsum 2
--- ---
OR 77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
AND 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
XOR 66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666
dsum 2
DROP TABLE t;
CREATE TABLE t(i int, b VARBINARY(512), d DOUBLE GENERATED ALWAYS AS (i*1.0));
INSERT INTO t(i,b) VALUES (1, REPEAT(x'00', 512)),
(1, REPEAT(x'FF', 512)),
(1, REPEAT(x'77', 512)),
(1, REPEAT(x'11', 512));
SELECT '---',
HEX(BIT_OR(b) OVER w) AS `OR`,
HEX(BIT_AND(b) OVER w) AS `AND`,
HEX(BIT_XOR(b) OVER w) AS `XOR`,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS BETWEEN 1 PRECEDING AND CURRENT ROW);
ERROR HY000: Aggregate bitwise functions cannot accept arguments longer than 511 bytes; consider using the SUBSTRING() function
DROP TABLE t;
# When switching from a partition to another, Item_sum_bit::clear()
# is called; it must reset Item_sum::m_digit_cnt if inversion is used
# inside the new frame.
CREATE TABLE t (id DECIMAL(3,1), b BINARY(9), d DOUBLE GENERATED ALWAYS AS (id*1.0));
INSERT INTO t(id, b)
VALUES (5.0,0x000000000000000000), (7.0,0x070000000000000007),
(6.0,0xFFFFFFFFFFFFFFFFFF), (5.5,0xFFFFFFFFFFFFFFFFFF);
SELECT id, id<=6 AS part, HEX(b), HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (PARTITION BY id<=6 ORDER BY id
ROWS BETWEEN 1 PRECEDING AND CURRENT ROW);
id part HEX(b) HEX(BIT_AND(b) OVER w) dsum
7.0 0 070000000000000007 070000000000000007 7
5.0 1 000000000000000000 000000000000000000 5
5.5 1 FFFFFFFFFFFFFFFFFF 000000000000000000 10.5
6.0 1 FFFFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFFFF 11.5
DROP TABLE t;
SET SESSION windowing_use_high_precision=TRUE;
CREATE TABLE t(i INT, li BIGINT, b VARBINARY(8), lb VARBINARY(24), d DOUBLE GENERATED ALWAYS AS (i*1.0));
INSERT INTO t(i, li, b, lb) VALUES
(NULL, NULL, NULL, NULL),
(0, 0, X'0000000000000000',
X'000000000000000000000000000000000000000000000000'),
(0, 0, X'0000000000000000',
X'000000000000000000000000000000000000000000000000'),
(1, 1, X'0000000000000001',
X'000000000000000000000000000000000000000000000001'),
(1, 1, X'0000000000000001',
X'000000000000000000000000000000000000000000000001'),
(2, 2, X'0000000000000002',
X'000000000000000000000000000000000000000000000002'),
(2, 2, X'0000000000000002',
X'000000000000000000000000000000000000000000000002'),
(3, 3, X'0000000000000003',
X'000000000000000000000000000000000000000000000003'),
(3, 3, X'0000000000000003',
X'000000000000000000000000000000000000000000000003'),
(4, 4, X'0000000000000004',
X'000000000000000000000000000000000000000000000004'),
(4, 4, X'0000000000000004',
X'000000000000000000000000000000000000000000000004'),
(5, 5, X'0000000000000005',
X'000000000000000000000000000000000000000000000005'),
(6, 6, X'0000000000000006',
X'000000000000000000000000000000000000000000000006'),
(X'01234567', X'0123456789ABCDEF', X'0123456789ABCDEF',
X'000000000000000000000000000000000123456789ABCDEF'),
(X'01200567', X'0120056789ABCDEF', X'0120056789ABCDEF',
X'0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF'),
(X'01200567', X'0120056789ABCDEF', X'0120056789ABCDEF',
X'0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF'),
(X'01200117', X'0120011789ABCDEF', X'0120011789ABCDEF',
X'0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF');
Ascending
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_OR(i) OVER w), HEX(BIT_OR(li) OVER w),
HEX(BIT_OR(b) OVER w), HEX(BIT_OR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_OR(i) OVER w) HEX(BIT_OR(li) OVER w) HEX(BIT_OR(b) OVER w) HEX(BIT_OR(lb) OVER w) dsum
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 2
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 4
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 5
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 8
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 10
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 11
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 18874658
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 37750404
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 56626149
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 0120056789ABCDEF0120056789ABCDEF0123456789ABCDEF 56840245
Show whether we run in optimized or non-optimized mode, cf.
our dummy double d SUM which forces non-optimized mode
iff windowing_use_high_precision==TRUE
ANALYZE TABLE t;
Table Op Msg_type Msg_text
test.t analyze status OK
EXPLAIN FORMAT=JSON
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_OR(i) OVER w), HEX(BIT_OR(li) OVER w),
HEX(BIT_OR(b) OVER w), HEX(BIT_OR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
EXPLAIN
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "18.95"
},
"windowing": {
"windows": [
{
"name": "w",
"using_filesort": true,
"filesort_key": [
"`i`"
],
"frame_buffer": {
"using_temporary_table": true
},
"functions": [
"bit_or",
"bit_or",
"bit_or",
"bit_or",
"sum"
]
}
],
"cost_info": {
"sort_cost": "17.00"
},
"table": {
"table_name": "t",
"access_type": "ALL",
"rows_examined_per_scan": 17,
"rows_produced_per_join": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "1.70",
"prefix_cost": "1.95",
"data_read_per_join": "952"
},
"used_columns": [
"i",
"li",
"b",
"lb",
"d"
]
}
}
}
}
Warnings:
Note 1003 /* select#1 */ select hex(`test`.`t`.`i`) AS `HEX(i)`,hex(`test`.`t`.`li`) AS `HEX(li)`,hex(`test`.`t`.`b`) AS `HEX(b)`,hex(`test`.`t`.`lb`) AS `HEX(lb)`,hex(bit_or(`test`.`t`.`i`) OVER `w`) AS `HEX(BIT_OR(i) OVER w)`,hex(bit_or(`test`.`t`.`li`) OVER `w`) AS `HEX(BIT_OR(li) OVER w)`,hex(bit_or(`test`.`t`.`b`) OVER `w`) AS `HEX(BIT_OR(b) OVER w)`,hex(bit_or(`test`.`t`.`lb`) OVER `w`) AS `HEX(BIT_OR(lb) OVER w)`,sum(`test`.`t`.`d`) OVER `w` AS `dsum` from `test`.`t` window `w` AS (ORDER BY `test`.`t`.`i` ROWS BETWEEN 2 PRECEDING AND CURRENT ROW)
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_XOR(i) OVER w), HEX(BIT_XOR(li) OVER w),
HEX(BIT_XOR(b) OVER w), HEX(BIT_XOR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_XOR(i) OVER w) HEX(BIT_XOR(li) OVER w) HEX(BIT_XOR(b) OVER w) HEX(BIT_XOR(lb) OVER w) dsum
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
2 2 0000000000000002 000000000000000000000000000000000000000000000002 2 2 0000000000000002 000000000000000000000000000000000000000000000002 4
2 2 0000000000000002 000000000000000000000000000000000000000000000002 1 1 0000000000000001 000000000000000000000000000000000000000000000001 5
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
4 4 0000000000000004 000000000000000000000000000000000000000000000004 4 4 0000000000000004 000000000000000000000000000000000000000000000004 10
4 4 0000000000000004 000000000000000000000000000000000000000000000004 3 3 0000000000000003 000000000000000000000000000000000000000000000003 11
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200114 120011789ABCDEC 0120011789ABCDEC 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEC 18874658
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 476 47000000006 0000047000000006 000004700000000000000470000000000000047000000006 37750404
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 56626149
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 56840245
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_AND(i) OVER w), HEX(BIT_AND(li) OVER w),
HEX(BIT_AND(b) OVER w), HEX(BIT_AND(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_AND(i) OVER w) HEX(BIT_AND(li) OVER w) HEX(BIT_AND(b) OVER w) HEX(BIT_AND(lb) OVER w) dsum
NULL NULL NULL NULL FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF NULL
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 1
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 4
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 5
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 7
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 10
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 11
5 5 0000000000000005 000000000000000000000000000000000000000000000005 4 4 0000000000000004 000000000000000000000000000000000000000000000004 13
6 6 0000000000000006 000000000000000000000000000000000000000000000006 4 4 0000000000000004 000000000000000000000000000000000000000000000004 15
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 4 4 0000000000000004 000000000000000000000000000000000000000000000004 18874658
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 6 6 0000000000000006 000000000000000000000000000000000000000000000006 37750404
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200107 120010789ABCDEF 0120010789ABCDEF 0120010789ABCDEF0120010789ABCDEF0120010789ABCDEF 56626149
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1200567 120056789ABCDEF 0120056789ABCDEF 000000000000000000000000000000000120056789ABCDEF 56840245
Descending: NULLS last
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_OR(i) OVER w), HEX(BIT_OR(li) OVER w),
HEX(BIT_OR(b) OVER w), HEX(BIT_OR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i DESC ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_OR(i) OVER w) HEX(BIT_OR(li) OVER w) HEX(BIT_OR(b) OVER w) HEX(BIT_OR(lb) OVER w) dsum
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 0120056789ABCDEF0120056789ABCDEF0123456789ABCDEF 56840245
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 56626149
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200577 120057789ABCDEF 0120057789ABCDEF 0120057789ABCDEF0120057789ABCDEF0120057789ABCDEF 37750404
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 18874658
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 11
4 4 0000000000000004 000000000000000000000000000000000000000000000004 7 7 0000000000000007 000000000000000000000000000000000000000000000007 10
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 8
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 5
2 2 0000000000000002 000000000000000000000000000000000000000000000002 3 3 0000000000000003 000000000000000000000000000000000000000000000003 4
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 2
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_XOR(i) OVER w), HEX(BIT_XOR(li) OVER w),
HEX(BIT_XOR(b) OVER w), HEX(BIT_XOR(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i DESC ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_XOR(i) OVER w) HEX(BIT_XOR(li) OVER w) HEX(BIT_XOR(b) OVER w) HEX(BIT_XOR(lb) OVER w) dsum
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 56840245
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 56626149
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 476 47000000006 0000047000000006 000004700000000000000470000000000000047000000006 37750404
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 1200114 120011789ABCDEC 0120011789ABCDEC 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEC 18874658
6 6 0000000000000006 000000000000000000000000000000000000000000000006 7 7 0000000000000007 000000000000000000000000000000000000000000000007 15
5 5 0000000000000005 000000000000000000000000000000000000000000000005 5 5 0000000000000005 000000000000000000000000000000000000000000000005 13
4 4 0000000000000004 000000000000000000000000000000000000000000000004 3 3 0000000000000003 000000000000000000000000000000000000000000000003 11
4 4 0000000000000004 000000000000000000000000000000000000000000000004 4 4 0000000000000004 000000000000000000000000000000000000000000000004 10
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
3 3 0000000000000003 000000000000000000000000000000000000000000000003 3 3 0000000000000003 000000000000000000000000000000000000000000000003 7
2 2 0000000000000002 000000000000000000000000000000000000000000000002 1 1 0000000000000001 000000000000000000000000000000000000000000000001 5
2 2 0000000000000002 000000000000000000000000000000000000000000000002 2 2 0000000000000002 000000000000000000000000000000000000000000000002 4
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
1 1 0000000000000001 000000000000000000000000000000000000000000000001 1 1 0000000000000001 000000000000000000000000000000000000000000000001 1
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
NULL NULL NULL NULL 0 0 0000000000000000 000000000000000000000000000000000000000000000000 NULL
SELECT HEX(i), HEX(li), HEX(b), HEX(lb),
HEX(BIT_AND(i) OVER w), HEX(BIT_AND(li) OVER w),
HEX(BIT_AND(b) OVER w), HEX(BIT_AND(lb) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i DESC ROWS BETWEEN CURRENT ROW AND 2 FOLLOWING);
HEX(i) HEX(li) HEX(b) HEX(lb) HEX(BIT_AND(i) OVER w) HEX(BIT_AND(li) OVER w) HEX(BIT_AND(b) OVER w) HEX(BIT_AND(lb) OVER w) dsum
1234567 123456789ABCDEF 0123456789ABCDEF 000000000000000000000000000000000123456789ABCDEF 1200567 120056789ABCDEF 0120056789ABCDEF 000000000000000000000000000000000120056789ABCDEF 56840245
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 1200107 120010789ABCDEF 0120010789ABCDEF 0120010789ABCDEF0120010789ABCDEF0120010789ABCDEF 56626149
1200567 120056789ABCDEF 0120056789ABCDEF 0120056789ABCDEF0120056789ABCDEF0120056789ABCDEF 6 6 0000000000000006 000000000000000000000000000000000000000000000006 37750404
1200117 120011789ABCDEF 0120011789ABCDEF 0120011789ABCDEF0120011789ABCDEF0120011789ABCDEF 4 4 0000000000000004 000000000000000000000000000000000000000000000004 18874658
6 6 0000000000000006 000000000000000000000000000000000000000000000006 4 4 0000000000000004 000000000000000000000000000000000000000000000004 15
5 5 0000000000000005 000000000000000000000000000000000000000000000005 4 4 0000000000000004 000000000000000000000000000000000000000000000004 13
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 11
4 4 0000000000000004 000000000000000000000000000000000000000000000004 0 0 0000000000000000 000000000000000000000000000000000000000000000000 10
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 8
3 3 0000000000000003 000000000000000000000000000000000000000000000003 2 2 0000000000000002 000000000000000000000000000000000000000000000002 7
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 5
2 2 0000000000000002 000000000000000000000000000000000000000000000002 0 0 0000000000000000 000000000000000000000000000000000000000000000000 4
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 2
1 1 0000000000000001 000000000000000000000000000000000000000000000001 0 0 0000000000000000 000000000000000000000000000000000000000000000000 1
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
0 0 0000000000000000 000000000000000000000000000000000000000000000000 0 0 0000000000000000 000000000000000000000000000000000000000000000000 0
NULL NULL NULL NULL FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF NULL
Test that varying length string give an error if in same partition
Insert a short b at end of partition
INSERT INTO t(i, li, b, lb) VALUES
(10, 10, x'0A', x'00000000000000000000000000000000000000000000000A');
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
ERROR HY000: Binary operands of bitwise operators must be of equal length
DELETE FROM t WHERE i = 10;
Insert a short b at start of partition
INSERT INTO t(i, li, b, lb) VALUES
(-1, -1, x'0A', x'00000000000000000000000000000000000000000000000A');
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
ERROR HY000: Binary operands of bitwise operators must be of equal length
DELETE FROM t WHERE i = -1;
Insert a short b in middle of partition
INSERT INTO t(i, li, b, lb) VALUES
(4, 4, x'04', x'000000000000000000000000000000000000000000000004');
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS 2 PRECEDING);
ERROR HY000: Binary operands of bitwise operators must be of equal length
Partitioning on bit string length should make it work again
SELECT HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (PARTITION BY LENGTH(b) ORDER BY i ROWS 2 PRECEDING);
HEX(BIT_AND(b) OVER w) dsum
FFFFFFFFFFFFFFFF NULL
04 4
0000000000000000 0
0000000000000000 0
0000000000000000 1
0000000000000000 2
0000000000000000 4
0000000000000000 5
0000000000000002 7
0000000000000002 8
0000000000000000 10
0000000000000000 11
0000000000000004 13
0000000000000004 15
0000000000000004 18874658
0000000000000006 37750404
0120010789ABCDEF 56626149
0120056789ABCDEF 56840245
DROP TABLE t;
Test with empty frame at beginning and end: bitops don't get
NULL then but a "neutral" value
CREATE TABLE t(
c0004 LONGTEXT CHARACTER SET latin1 COLLATE latin1_bin
GENERATED ALWAYS AS (_utf8mb4'1') VIRTUAL NOT NULL,
d DOUBLE GENERATED ALWAYS AS (1.0))
ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
INSERT INTO t VALUES (), (), (), (), ();
SELECT c0004,
BIT_AND(c0004) OVER w,
BIT_OR(c0004) OVER w,
BIT_XOR(c0004) OVER w,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY c0004 ROWS BETWEEN 5 PRECEDING AND 3 PRECEDING);
c0004 BIT_AND(c0004) OVER w BIT_OR(c0004) OVER w BIT_XOR(c0004) OVER w dsum
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
1 1 1 1 1
1 1 1 0 2
SELECT c0004,
BIT_AND(c0004) OVER w,
BIT_OR(c0004) OVER w,
BIT_XOR(c0004) OVER w,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY c0004 ROWS BETWEEN 3 FOLLOWING AND 5 FOLLOWING);
c0004 BIT_AND(c0004) OVER w BIT_OR(c0004) OVER w BIT_XOR(c0004) OVER w dsum
1 1 1 0 2
1 1 1 1 1
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
1 18446744073709551615 0 0 NULL
DROP TABLE t;
CREATE TABLE t(i int, b VARBINARY(511), d DOUBLE GENERATED ALWAYS AS (i*1.0));
INSERT INTO t(i,b) VALUES (1, REPEAT(x'00', 511)),
(1, REPEAT(x'FF', 511)),
(1, REPEAT(x'77', 511)),
(1, REPEAT(x'11', 511));
SELECT '---',
HEX(BIT_OR(b) OVER w) AS `OR`,
HEX(BIT_AND(b) OVER w) AS `AND`,
HEX(BIT_XOR(b) OVER w) AS `XOR`,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS BETWEEN 1 PRECEDING AND CURRENT ROW);
--- ---
OR 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
AND 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
XOR 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
dsum 1
--- ---
OR FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
AND 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
XOR FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
dsum 2
--- ---
OR FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
AND 77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
XOR 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888
dsum 2
--- ---
OR 77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777
AND 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
XOR 66666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666
dsum 2
DROP TABLE t;
CREATE TABLE t(i int, b VARBINARY(512), d DOUBLE GENERATED ALWAYS AS (i*1.0));
INSERT INTO t(i,b) VALUES (1, REPEAT(x'00', 512)),
(1, REPEAT(x'FF', 512)),
(1, REPEAT(x'77', 512)),
(1, REPEAT(x'11', 512));
SELECT '---',
HEX(BIT_OR(b) OVER w) AS `OR`,
HEX(BIT_AND(b) OVER w) AS `AND`,
HEX(BIT_XOR(b) OVER w) AS `XOR`,
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (ORDER BY i ROWS BETWEEN 1 PRECEDING AND CURRENT ROW);
ERROR HY000: Aggregate bitwise functions cannot accept arguments longer than 511 bytes; consider using the SUBSTRING() function
DROP TABLE t;
# When switching from a partition to another, Item_sum_bit::clear()
# is called; it must reset Item_sum::m_digit_cnt if inversion is used
# inside the new frame.
CREATE TABLE t (id DECIMAL(3,1), b BINARY(9), d DOUBLE GENERATED ALWAYS AS (id*1.0));
INSERT INTO t(id, b)
VALUES (5.0,0x000000000000000000), (7.0,0x070000000000000007),
(6.0,0xFFFFFFFFFFFFFFFFFF), (5.5,0xFFFFFFFFFFFFFFFFFF);
SELECT id, id<=6 AS part, HEX(b), HEX(BIT_AND(b) OVER w),
SUM(d) OVER w AS dsum
FROM t
WINDOW w AS (PARTITION BY id<=6 ORDER BY id
ROWS BETWEEN 1 PRECEDING AND CURRENT ROW);
id part HEX(b) HEX(BIT_AND(b) OVER w) dsum
7.0 0 070000000000000007 070000000000000007 7
5.0 1 000000000000000000 000000000000000000 5
5.5 1 FFFFFFFFFFFFFFFFFF 000000000000000000 10.5
6.0 1 FFFFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFFFF 11.5
DROP TABLE t;
|
