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Diffstat (limited to 'mysql-test/main/win.result')
| -rw-r--r-- | mysql-test/main/win.result | 3925 |
1 files changed, 3925 insertions, 0 deletions
diff --git a/mysql-test/main/win.result b/mysql-test/main/win.result new file mode 100644 index 00000000000..08668965cf6 --- /dev/null +++ b/mysql-test/main/win.result @@ -0,0 +1,3925 @@ +drop table if exists t1,t2; +drop view if exists v1; +# ######################################################################## +# # Parser tests +# ######################################################################## +# +# Check what happens when one attempts to use window function without OVER clause +create table t1 (a int, b int); +insert into t1 values (1,1),(2,2); +select row_number() from t1; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'from t1' at line 1 +select rank() from t1; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'from t1' at line 1 +# Attempt to use window function in the WHERE clause +select * from t1 where 1=rank() over (order by a); +ERROR HY000: Window function is allowed only in SELECT list and ORDER BY clause +select * from t1 where 1>row_number() over (partition by b order by a); +ERROR HY000: Window function is allowed only in SELECT list and ORDER BY clause +drop table t1; +# ######################################################################## +# # Functionality tests +# ######################################################################## +# +# Check if ROW_NUMBER() works in basic cases +create table t1(a int, b int, x char(32)); +insert into t1 values (2, 10, 'xx'); +insert into t1 values (2, 10, 'zz'); +insert into t1 values (2, 20, 'yy'); +insert into t1 values (3, 10, 'xxx'); +insert into t1 values (3, 20, 'vvv'); +select a, row_number() over (partition by a order by b) from t1; +a row_number() over (partition by a order by b) +2 1 +2 2 +2 3 +3 1 +3 2 +select a, b, x, row_number() over (partition by a order by x) from t1; +a b x row_number() over (partition by a order by x) +2 10 xx 1 +2 20 yy 2 +2 10 zz 3 +3 20 vvv 1 +3 10 xxx 2 +drop table t1; +create table t1 (pk int primary key, a int, b int); +insert into t1 values +(1, 10, 22), +(2, 11, 21), +(3, 12, 20), +(4, 13, 19), +(5, 14, 18); +select +pk, a, b, +row_number() over (order by a), +row_number() over (order by b) +from t1 +order by b; +pk a b row_number() over (order by a) row_number() over (order by b) +5 14 18 5 1 +4 13 19 4 2 +3 12 20 3 3 +2 11 21 2 4 +1 10 22 1 5 +drop table t1; +# +# Try RANK() function +# +create table t2 ( +pk int primary key, +a int +); +insert into t2 values +( 1 , 0), +( 2 , 0), +( 3 , 1), +( 4 , 1), +( 8 , 2), +( 5 , 2), +( 6 , 2), +( 7 , 2), +( 9 , 4), +(10 , 4); +select pk, a, rank() over (order by a) from t2; +pk a rank() over (order by a) +1 0 1 +10 4 9 +2 0 1 +3 1 3 +4 1 3 +5 2 5 +6 2 5 +7 2 5 +8 2 5 +9 4 9 +select pk, a, rank() over (order by a desc) from t2; +pk a rank() over (order by a desc) +1 0 9 +10 4 1 +2 0 9 +3 1 7 +4 1 7 +5 2 3 +6 2 3 +7 2 3 +8 2 3 +9 4 1 +drop table t2; +# +# Try Aggregates as window functions. With frames. +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 (pk int, c int); +insert into t1 select a+1,1 from t0; +update t1 set c=2 where pk not in (1,2,3,4); +select * from t1; +pk c +1 1 +2 1 +3 1 +4 1 +5 2 +6 2 +7 2 +8 2 +9 2 +10 2 +select +pk, c, +count(*) over (partition by c order by pk +rows between 2 preceding and 2 following) as CNT +from t1; +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +select +pk, c, +count(*) over (partition by c order by pk +rows between 1 preceding and 2 following) as CNT +from t1; +pk c CNT +1 1 3 +2 1 4 +3 1 3 +4 1 2 +5 2 3 +6 2 4 +7 2 4 +8 2 4 +9 2 3 +10 2 2 +select +pk, c, +count(*) over (partition by c order by pk +rows between 2 preceding and current row) as CNT +from t1; +pk c CNT +1 1 1 +2 1 2 +3 1 3 +4 1 3 +5 2 1 +6 2 2 +7 2 3 +8 2 3 +9 2 3 +10 2 3 +select +pk,c, +count(*) over (partition by c order by pk rows +between 1 following and 2 following) as CNT +from t1; +pk c CNT +1 1 2 +2 1 2 +3 1 1 +4 1 0 +5 2 2 +6 2 2 +7 2 2 +8 2 2 +9 2 1 +10 2 0 +select +pk,c, +count(*) over (partition by c order by pk rows +between 2 preceding and 1 preceding) as CNT +from t1; +pk c CNT +1 1 0 +2 1 1 +3 1 2 +4 1 2 +5 2 0 +6 2 1 +7 2 2 +8 2 2 +9 2 2 +10 2 2 +select +pk, c, +count(*) over (partition by c order by pk +rows between current row and 1 following) as CNT +from t1; +pk c CNT +1 1 2 +2 1 2 +3 1 2 +4 1 1 +5 2 2 +6 2 2 +7 2 2 +8 2 2 +9 2 2 +10 2 1 +# Check ORDER BY DESC +select +pk, c, +count(*) over (partition by c order by pk desc +rows between 2 preceding and 2 following) as CNT +from t1; +pk c CNT +4 1 3 +3 1 4 +2 1 4 +1 1 3 +10 2 3 +9 2 4 +8 2 5 +7 2 5 +6 2 4 +5 2 3 +drop table t0,t1; +# +# Resolution of window names +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 (pk int, c int); +insert into t1 select a+1,1 from t0; +update t1 set c=2 where pk not in (1,2,3,4); +select * from t1; +pk c +1 1 +2 1 +3 1 +4 1 +5 2 +6 2 +7 2 +8 2 +9 2 +10 2 +select +pk, c, +count(*) over w1 as CNT +from t1 +window w1 as (partition by c order by pk +rows between 2 preceding and 2 following); +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +select +pk, c, +count(*) over (w1 rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c order by pk); +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +select +pk, c, +count(*) over (w1 order by pk rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c); +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +select +pk, c, +count(*) over (w2 rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c), w2 as (w1 order by pk); +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +select +pk, c, +count(*) over w3 as CNT +from t1 +window +w1 as (partition by c), +w2 as (w1 order by pk), +w3 as (w2 rows between 2 preceding and 2 following); +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +select +pk, c, +count(*) over w as CNT +from t1 +window w1 as (partition by c order by pk +rows between 2 preceding and 2 following); +ERROR HY000: Window specification with name 'w' is not defined +select +pk, c, +count(*) over (w2 rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c), w1 as (order by pk); +ERROR HY000: Multiple window specifications with the same name 'w1' +select +pk, c, +count(*) over (w2 rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c), w2 as (w partition by c order by pk); +ERROR HY000: Window specification with name 'w' is not defined +select +pk, c, +count(*) over (w2 rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c), w2 as (w1 partition by c order by pk); +ERROR HY000: Window specification referencing another one 'w1' cannot contain partition list +select +pk, c, +count(*) over (w2 rows between 2 preceding and 2 following) as CNT +from t1 +window w1 as (partition by c order by pk), w2 as (w1 order by pk); +ERROR HY000: Referenced window specification 'w1' already contains order list +select +pk, c, +count(*) over w3 as CNT +from t1 +window +w1 as (partition by c), +w2 as (w1 order by pk rows between 3 preceding and 2 following), +w3 as (w2 rows between 2 preceding and 2 following); +ERROR HY000: Referenced window specification 'w2' cannot contain window frame +select +pk, c, +count(*) over w1 as CNT +from t1 +window w1 as (partition by c order by pk +rows between unbounded following and 2 following); +ERROR HY000: Unacceptable combination of window frame bound specifications +select +pk, c, +count(*) over (w1 rows between 2 preceding and unbounded preceding) as CNT +from t1 +window w1 as (partition by c order by pk); +ERROR HY000: Unacceptable combination of window frame bound specifications +select +pk, c, +count(*) over (w1 order by pk rows between current row and 2 preceding) as CNT +from t1 +window w1 as (partition by c); +ERROR HY000: Unacceptable combination of window frame bound specifications +select +pk, c, +count(*) over (w2 rows between 2 following and current row) as CNT +from t1 +window w1 as (partition by c), w2 as (w1 order by pk); +ERROR HY000: Unacceptable combination of window frame bound specifications +select +pk, c +from t1 where rank() over w1 > 2 +window w1 as (partition by c order by pk); +ERROR HY000: Window function is allowed only in SELECT list and ORDER BY clause +select +c, max(pk) as m +from t1 +group by c + rank() over w1 +window w1 as (order by m); +ERROR HY000: Window function is allowed only in SELECT list and ORDER BY clause +select +c, max(pk) as m, rank() over w1 as r +from t1 +group by c+r +window w1 as (order by m); +ERROR HY000: Window function is allowed only in SELECT list and ORDER BY clause +select +c, max(pk) as m, rank() over w1 as r +from t1 +group by c having c+r > 3 +window w1 as (order by m); +ERROR HY000: Window function is allowed only in SELECT list and ORDER BY clause +select +c, max(pk) as m, rank() over w1 as r, +rank() over (partition by r+1 order by m) +from t1 +group by c +window w1 as (order by m); +ERROR HY000: Window function is not allowed in window specification +select +c, max(pk) as m, rank() over w1 as r, +rank() over (partition by m order by r) +from t1 +group by c +window w1 as (order by m); +ERROR HY000: Window function is not allowed in window specification +select +c, max(pk) as m, rank() over w1 as r, dense_rank() over w2 as dr +from t1 +group by c +window w1 as (order by m), w2 as (partition by r order by m); +ERROR HY000: Window function is not allowed in window specification +select +pk, c, +row_number() over (partition by c order by pk +range between unbounded preceding and current row) as r +from t1; +ERROR HY000: Window frame is not allowed with 'row_number' +select +pk, c, +rank() over w1 as r +from t1 +window w1 as (partition by c order by pk +rows between 2 preceding and 2 following); +ERROR HY000: Window frame is not allowed with 'rank' +select +pk, c, +dense_rank() over (partition by c order by pk +rows between 1 preceding and 1 following) as r +from t1; +ERROR HY000: Window frame is not allowed with 'dense_rank' +select +pk, c, +rank() over w1 as r +from t1 +window w1 as (partition by c); +ERROR HY000: No order list in window specification for 'rank' +select +pk, c, +dense_rank() over (partition by c) as r +from t1; +ERROR HY000: No order list in window specification for 'dense_rank' +drop table t0,t1; +# +# MDEV-9634: Window function produces incorrect value +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t2 (part_id int, pk int, a int); +insert into t2 select +if(a<5, 0, 1), a, if(a<5, NULL, 1) from t0; +select * from t2; +part_id pk a +0 0 NULL +0 1 NULL +0 2 NULL +0 3 NULL +0 4 NULL +1 5 1 +1 6 1 +1 7 1 +1 8 1 +1 9 1 +select +part_id, pk, a, +count(a) over (partition by part_id order by pk +rows between 1 preceding and 1 following) as CNT +from t2; +part_id pk a CNT +0 0 NULL 0 +0 1 NULL 0 +0 2 NULL 0 +0 3 NULL 0 +0 4 NULL 0 +1 5 1 2 +1 6 1 3 +1 7 1 3 +1 8 1 3 +1 9 1 2 +drop table t0, t2; +# +# RANGE-type bounds +# +create table t3 ( +pk int, +val int +); +insert into t3 values +(0, 1), +(1, 1), +(2, 1), +(3, 2), +(4, 2), +(5, 2), +(6, 2); +select +val, +count(val) over (order by val +range between current row and +current row) +as CNT +from t3; +val CNT +1 3 +1 3 +1 3 +2 4 +2 4 +2 4 +2 4 +insert into t3 values +(7, 3), +(8, 3); +select +val, +count(val) over (order by val +range between current row and +current row) +as CNT +from t3; +val CNT +1 3 +1 3 +1 3 +2 4 +2 4 +2 4 +2 4 +3 2 +3 2 +drop table t3; +# Now, check with PARTITION BY +create table t4 ( +part_id int, +pk int, +val int +); +insert into t4 values +(1234, 100, 1), +(1234, 101, 1), +(1234, 102, 1), +(1234, 103, 2), +(1234, 104, 2), +(1234, 105, 2), +(1234, 106, 2), +(1234, 107, 3), +(1234, 108, 3), +(5678, 200, 1), +(5678, 201, 1), +(5678, 202, 1), +(5678, 203, 2), +(5678, 204, 2), +(5678, 205, 2), +(5678, 206, 2), +(5678, 207, 3), +(5678, 208, 3); +select +part_id, +val, +count(val) over (partition by part_id +order by val +range between current row and +current row) +as CNT +from t4; +part_id val CNT +1234 1 3 +1234 1 3 +1234 1 3 +1234 2 4 +1234 2 4 +1234 2 4 +1234 2 4 +1234 3 2 +1234 3 2 +5678 1 3 +5678 1 3 +5678 1 3 +5678 2 4 +5678 2 4 +5678 2 4 +5678 2 4 +5678 3 2 +5678 3 2 +# +# Try RANGE UNBOUNDED PRECEDING | FOLLOWING +# +select +part_id, +val, +count(val) over (partition by part_id +order by val +range between unbounded preceding and +current row) +as CNT +from t4; +part_id val CNT +1234 1 3 +1234 1 3 +1234 1 3 +1234 2 7 +1234 2 7 +1234 2 7 +1234 2 7 +1234 3 9 +1234 3 9 +5678 1 3 +5678 1 3 +5678 1 3 +5678 2 7 +5678 2 7 +5678 2 7 +5678 2 7 +5678 3 9 +5678 3 9 +select +part_id, +val, +count(val) over (partition by part_id +order by val +range between current row and +unbounded following) +as CNT +from t4; +part_id val CNT +1234 1 9 +1234 1 9 +1234 1 9 +1234 2 6 +1234 2 6 +1234 2 6 +1234 2 6 +1234 3 2 +1234 3 2 +5678 1 9 +5678 1 9 +5678 1 9 +5678 2 6 +5678 2 6 +5678 2 6 +5678 2 6 +5678 3 2 +5678 3 2 +select +part_id, +val, +count(val) over (partition by part_id +order by val +range between unbounded preceding and +unbounded following) +as CNT +from t4; +part_id val CNT +1234 1 9 +1234 1 9 +1234 1 9 +1234 2 9 +1234 2 9 +1234 2 9 +1234 2 9 +1234 3 9 +1234 3 9 +5678 1 9 +5678 1 9 +5678 1 9 +5678 2 9 +5678 2 9 +5678 2 9 +5678 2 9 +5678 3 9 +5678 3 9 +drop table t4; +# +# MDEV-9695: Wrong window frame when using RANGE BETWEEN N FOLLOWING AND PRECEDING +# +create table t1 (pk int, 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); +select pk, a, b, +bit_or(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) as bit_or +from t1; +pk a b bit_or +1 0 1 3 +2 0 2 3 +3 1 4 12 +4 1 8 12 +5 2 32 96 +6 2 64 224 +7 2 128 208 +8 2 16 144 +# Extra ROWS n PRECEDING tests +select pk, a, b, +bit_or(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING) as bit_or +from t1; +pk a b bit_or +1 0 1 0 +2 0 2 1 +3 1 4 0 +4 1 8 4 +5 2 32 0 +6 2 64 32 +7 2 128 64 +8 2 16 128 +drop table t1; +create table t2 ( +pk int, +a int, +b int +); +insert into t2 values +( 1, 0, 1), +( 2, 0, 2), +( 3, 0, 4), +( 4, 0, 8), +( 5, 1, 16), +( 6, 1, 32), +( 7, 1, 64), +( 8, 1, 128), +( 9, 2, 256), +(10, 2, 512), +(11, 2, 1024), +(12, 2, 2048); +select pk, a, b, +bit_or(b) over (partition by a order by pk ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING) as bit_or +from t2; +pk a b bit_or +1 0 1 0 +2 0 2 1 +3 0 4 2 +4 0 8 4 +5 1 16 0 +6 1 32 16 +7 1 64 32 +8 1 128 64 +9 2 256 0 +10 2 512 256 +11 2 1024 512 +12 2 2048 1024 +select pk, a, b, +bit_or(b) over (partition by a order by pk ROWS BETWEEN 2 PRECEDING AND 2 PRECEDING) as bit_or +from t2; +pk a b bit_or +1 0 1 0 +2 0 2 0 +3 0 4 1 +4 0 8 2 +5 1 16 0 +6 1 32 0 +7 1 64 16 +8 1 128 32 +9 2 256 0 +10 2 512 0 +11 2 1024 256 +12 2 2048 512 +select pk, a, b, +bit_or(b) over (partition by a order by pk ROWS BETWEEN 2 PRECEDING AND 1 PRECEDING) as bit_or +from t2; +pk a b bit_or +1 0 1 0 +2 0 2 1 +3 0 4 3 +4 0 8 6 +5 1 16 0 +6 1 32 16 +7 1 64 48 +8 1 128 96 +9 2 256 0 +10 2 512 256 +11 2 1024 768 +12 2 2048 1536 +# Check CURRENT ROW +select pk, a, b, +bit_or(b) over (partition by a order by pk ROWS BETWEEN CURRENT ROW AND CURRENT ROW) as bit_or +from t2; +pk a b bit_or +1 0 1 1 +2 0 2 2 +3 0 4 4 +4 0 8 8 +5 1 16 16 +6 1 32 32 +7 1 64 64 +8 1 128 128 +9 2 256 256 +10 2 512 512 +11 2 1024 1024 +12 2 2048 2048 +drop table t2; +# +# Try RANGE PRECEDING|FOLLWING n +# +create table t1 ( +part_id int, +pk int, +a int +); +insert into t1 values +(10, 1, 1), +(10, 2, 2), +(10, 3, 4), +(10, 4, 8), +(10, 5,26), +(10, 6,27), +(10, 7,40), +(10, 8,71), +(10, 9,72); +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN UNBOUNDED PRECEDING +AND 10 FOLLOWING) as cnt +from t1; +pk a cnt +1 1 4 +2 2 4 +3 4 4 +4 8 4 +5 26 6 +6 27 6 +7 40 7 +8 71 9 +9 72 9 +select +pk, a, +count(a) over (ORDER BY a DESC +RANGE BETWEEN UNBOUNDED PRECEDING +AND 10 FOLLOWING) as cnt +from t1; +pk a cnt +9 72 2 +8 71 2 +7 40 3 +6 27 5 +5 26 5 +4 8 9 +3 4 9 +2 2 9 +1 1 9 +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN UNBOUNDED PRECEDING +AND 1 FOLLOWING) as cnt +from t1; +pk a cnt +1 1 2 +2 2 2 +3 4 3 +4 8 4 +5 26 6 +6 27 6 +7 40 7 +8 71 9 +9 72 9 +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN UNBOUNDED PRECEDING +AND 10 PRECEDING) as cnt +from t1; +pk a cnt +1 1 0 +2 2 0 +3 4 0 +4 8 0 +5 26 4 +6 27 4 +7 40 6 +8 71 7 +9 72 7 +select +pk, a, +count(a) over (ORDER BY a DESC +RANGE BETWEEN UNBOUNDED PRECEDING +AND 10 PRECEDING) as cnt +from t1; +pk a cnt +9 72 0 +8 71 0 +7 40 2 +6 27 3 +5 26 3 +4 8 5 +3 4 5 +2 2 5 +1 1 5 +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN UNBOUNDED PRECEDING +AND 1 PRECEDING) as cnt +from t1; +pk a cnt +1 1 0 +2 2 1 +3 4 2 +4 8 3 +5 26 4 +6 27 5 +7 40 6 +8 71 7 +9 72 8 +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN 1 PRECEDING +AND CURRENT ROW) as cnt +from t1; +pk a cnt +1 1 1 +2 2 2 +3 4 1 +4 8 1 +5 26 1 +6 27 2 +7 40 1 +8 71 1 +9 72 2 +select +pk, a, +count(a) over (ORDER BY a DESC +RANGE BETWEEN 1 PRECEDING +AND CURRENT ROW) as cnt +from t1; +pk a cnt +9 72 1 +8 71 2 +7 40 1 +6 27 1 +5 26 2 +4 8 1 +3 4 1 +2 2 1 +1 1 2 +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN 1 FOLLOWING +AND 3 FOLLOWING) as cnt +from t1; +pk a cnt +1 1 2 +2 2 1 +3 4 0 +4 8 0 +5 26 1 +6 27 0 +7 40 0 +8 71 1 +9 72 0 +# Try CURRENT ROW with[out] DESC +select +pk, a, +count(a) over (ORDER BY a +RANGE BETWEEN CURRENT ROW +AND 1 FOLLOWING) as cnt +from t1; +pk a cnt +1 1 2 +2 2 1 +3 4 1 +4 8 1 +5 26 2 +6 27 1 +7 40 1 +8 71 2 +9 72 1 +select +pk, a, +count(a) over (order by a desc +range between current row +and 1 following) as cnt +from t1; +pk a cnt +9 72 2 +8 71 1 +7 40 1 +6 27 2 +5 26 1 +4 8 1 +3 4 1 +2 2 2 +1 1 1 +insert into t1 select 22, pk, a from t1; +select +part_id, pk, a, +count(a) over (PARTITION BY part_id +ORDER BY a +RANGE BETWEEN UNBOUNDED PRECEDING +AND 10 FOLLOWING) as cnt +from t1; +part_id pk a cnt +10 1 1 4 +10 2 2 4 +10 3 4 4 +10 4 8 4 +10 5 26 6 +10 6 27 6 +10 7 40 7 +10 8 71 9 +10 9 72 9 +22 1 1 4 +22 2 2 4 +22 3 4 4 +22 4 8 4 +22 5 26 6 +22 6 27 6 +22 7 40 7 +22 8 71 9 +22 9 72 9 +select +pk, a, +count(a) over (PARTITION BY part_id +ORDER BY a +RANGE BETWEEN UNBOUNDED PRECEDING +AND 1 PRECEDING) as cnt +from t1; +pk a cnt +1 1 0 +2 2 1 +3 4 2 +4 8 3 +5 26 4 +6 27 5 +7 40 6 +8 71 7 +9 72 8 +1 1 0 +2 2 1 +3 4 2 +4 8 3 +5 26 4 +6 27 5 +7 40 6 +8 71 7 +9 72 8 +drop table t1; +# Try a RANGE frame over non-integer datatype: +create table t1 ( +col1 int, +a decimal(5,3) +); +insert into t1 values (1, 0.45); +insert into t1 values (1, 0.5); +insert into t1 values (1, 0.55); +insert into t1 values (1, 1.21); +insert into t1 values (1, 1.22); +insert into t1 values (1, 3.33); +select +a, +count(col1) over (order by a +range between 0.1 preceding +and 0.1 following) +from t1; +a count(col1) over (order by a +range between 0.1 preceding +and 0.1 following) +0.450 3 +0.500 3 +0.550 3 +1.210 2 +1.220 2 +3.330 1 +drop table t1; +# +# RANGE-type frames and NULL values +# +create table t1 ( +pk int, +a int, +b int +); +insert into t1 values (1, NULL,1); +insert into t1 values (2, NULL,1); +insert into t1 values (3, NULL,1); +insert into t1 values (4, 10 ,1); +insert into t1 values (5, 11 ,1); +insert into t1 values (6, 12 ,1); +insert into t1 values (7, 13 ,1); +insert into t1 values (8, 14 ,1); +select +pk, a, +count(b) over (order by a +range between 2 preceding +and 2 following) as CNT +from t1 +order by a, pk; +pk a CNT +1 NULL 3 +2 NULL 3 +3 NULL 3 +4 10 3 +5 11 4 +6 12 5 +7 13 4 +8 14 3 +drop table t1; +# +# Try ranges that have bound1 > bound2. The standard actually allows them +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 (pk int, c int); +insert into t1 select a+1,1 from t0; +update t1 set c=2 where pk not in (1,2,3,4); +select * from t1; +pk c +1 1 +2 1 +3 1 +4 1 +5 2 +6 2 +7 2 +8 2 +9 2 +10 2 +select +pk, c, +count(*) over (partition by c +order by pk +rows between 1 preceding +and 2 preceding) +as cnt +from t1; +pk c cnt +1 1 0 +2 1 0 +3 1 0 +4 1 0 +5 2 0 +6 2 0 +7 2 0 +8 2 0 +9 2 0 +10 2 0 +select +pk, c, +sum(c) over (partition by c +order by pk +rows between 1 preceding +and 2 preceding) +as sum +from t1; +pk c sum +1 1 NULL +2 1 NULL +3 1 NULL +4 1 NULL +5 2 NULL +6 2 NULL +7 2 NULL +8 2 NULL +9 2 NULL +10 2 NULL +select +pk, c, +sum(c) over (partition by c +order by pk +rows between 2 following +and 1 following) +as sum +from t1; +pk c sum +1 1 NULL +2 1 NULL +3 1 NULL +4 1 NULL +5 2 NULL +6 2 NULL +7 2 NULL +8 2 NULL +9 2 NULL +10 2 NULL +select +pk, c, +count(*) over (partition by c +order by pk +range between 1 preceding +and 2 preceding) +as cnt +from t1; +pk c cnt +1 1 0 +2 1 0 +3 1 0 +4 1 0 +5 2 0 +6 2 0 +7 2 0 +8 2 0 +9 2 0 +10 2 0 +drop table t0, t1; +# +# Error checking for frame bounds +# +create table t1 (a int, b int, c varchar(32)); +insert into t1 values (1,1,'foo'); +insert into t1 values (2,2,'bar'); +select +count(*) over (order by a,b +range between unbounded preceding and current row) +from t1; +ERROR HY000: RANGE-type frame requires ORDER BY clause with single sort key +select +count(*) over (order by c +range between unbounded preceding and current row) +from t1; +ERROR HY000: Numeric datatype is required for RANGE-type frame +select +count(*) over (order by a +range between 'abcd' preceding and current row) +from t1; +ERROR HY000: Numeric datatype is required for RANGE-type frame +select +count(*) over (order by a +range between current row and 'foo' following) +from t1; +ERROR HY000: Numeric datatype is required for RANGE-type frame +# Try range frame with invalid bounds +select +count(*) over (order by a +rows between 0.5 preceding and current row) +from t1; +ERROR HY000: Integer is required for ROWS-type frame +select +count(*) over (order by a +rows between current row and 3.14 following) +from t1; +ERROR HY000: Integer is required for ROWS-type frame +# +# EXCLUDE clause is parsed but not supported +# +select +count(*) over (order by a +rows between 1 preceding and 1 following +exclude current row) +from t1; +ERROR HY000: Frame exclusion is not supported yet +select +count(*) over (order by a +range between 1 preceding and 1 following +exclude ties) +from t1; +ERROR HY000: Frame exclusion is not supported yet +select +count(*) over (order by a +range between 1 preceding and 1 following +exclude group) +from t1; +ERROR HY000: Frame exclusion is not supported yet +select +count(*) over (order by a +rows between 1 preceding and 1 following +exclude no others) +from t1; +count(*) over (order by a +rows between 1 preceding and 1 following +exclude no others) +2 +2 +drop table t1; +# +# Window function in grouping query +# +create table t1 ( +username varchar(32), +amount int +); +insert into t1 values +('user1',1), +('user1',5), +('user1',3), +('user2',10), +('user2',20), +('user2',30); +select +username, +sum(amount) as s, +rank() over (order by s desc) +from t1 +group by username; +username s rank() over (order by s desc) +user1 9 2 +user2 60 1 +drop table t1; +# +# mdev-9719: Window function in prepared statement +# +create table t1(a int, b int, x char(32)); +insert into t1 values (2, 10, 'xx'); +insert into t1 values (2, 10, 'zz'); +insert into t1 values (2, 20, 'yy'); +insert into t1 values (3, 10, 'xxx'); +insert into t1 values (3, 20, 'vvv'); +prepare stmt from 'select a, row_number() over (partition by a order by b) from t1'; +execute stmt; +a row_number() over (partition by a order by b) +2 1 +2 2 +2 3 +3 1 +3 2 +drop table t1; +# +# mdev-9754: Window name resolution in prepared statement +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 (pk int, c int); +insert into t1 select a+1,1 from t0; +update t1 set c=2 where pk not in (1,2,3,4); +select * from t1; +pk c +1 1 +2 1 +3 1 +4 1 +5 2 +6 2 +7 2 +8 2 +9 2 +10 2 +prepare stmt from +'select + pk, c, + count(*) over w1 as CNT +from t1 +window w1 as (partition by c order by pk + rows between 2 preceding and 2 following)'; +execute stmt; +pk c CNT +1 1 3 +2 1 4 +3 1 4 +4 1 3 +5 2 3 +6 2 4 +7 2 5 +8 2 5 +9 2 4 +10 2 3 +drop table t0,t1; +# +# EXPLAIN FORMAT=JSON support for window functions +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +explain format=json select rank() over (order by a) from t0; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t0.a" + } + }, + "temporary_table": { + "table": { + "table_name": "t0", + "access_type": "ALL", + "rows": 10, + "filtered": 100 + } + } + } + } +} +create table t1 (a int, b int, c int); +insert into t1 select a,a,a from t0; +explain format=json +select +a, +rank() over (order by sum(b)) +from t1 +group by a; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "filesort": { + "sort_key": "t1.a", + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "sum(t1.b)" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 10, + "filtered": 100 + } + } + } + } + } +} +explain format=json +select +a, +rank() over (order by sum(b)) +from t1 +group by a +order by null; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "sum(t1.b)" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 10, + "filtered": 100 + } + } + } + } +} +# +# Check how window function works together with GROUP BY and HAVING +# +select b,max(a) as MX, rank() over (order by b) from t1 group by b having MX in (3,5,7); +b MX rank() over (order by b) +3 3 1 +5 5 2 +7 7 3 +explain format=json +select b,max(a) as MX, rank() over (order by b) from t1 group by b having MX in (3,5,7); +EXPLAIN +{ + "query_block": { + "select_id": 1, + "having_condition": "MX in (3,5,7)", + "filesort": { + "sort_key": "t1.b", + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.b" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 10, + "filtered": 100 + } + } + } + } + } +} +drop table t1; +drop table t0; +# +# Building ordering index for window functions +# +create table t1 ( +pk int primary key, +a int, +b int, +c int +); +insert into t1 values +(101 , 0, 10, 1), +(102 , 0, 10, 2), +(103 , 1, 10, 3), +(104 , 1, 10, 4), +(108 , 2, 10, 5), +(105 , 2, 20, 6), +(106 , 2, 20, 7), +(107 , 2, 20, 8), +(109 , 4, 20, 9), +(110 , 4, 20, 10), +(111 , 5, NULL, 11), +(112 , 5, 1, 12), +(113 , 5, NULL, 13), +(114 , 5, NULL, 14), +(115 , 5, NULL, 15), +(116 , 6, 1, NULL), +(117 , 6, 1, 10), +(118 , 6, 1, 1), +(119 , 6, 1, NULL), +(120 , 6, 1, NULL), +(121 , 6, 1, NULL), +(122 , 6, 1, 2), +(123 , 6, 1, 20), +(124 , 6, 1, -10), +(125 , 6, 1, NULL), +(126 , 6, 1, NULL), +(127 , 6, 1, NULL); +select sum(b) over (partition by a order by b,pk +rows between unbounded preceding and current row) as c1, +avg(b) over (w1 rows between 1 preceding and 1 following) as c2, +sum(c) over (w2 rows between 1 preceding and 1 following) as c5, +avg(b) over (w1 rows between 5 preceding and 5 following) as c3, +sum(b) over (w1 rows between 1 preceding and 1 following) as c4 +from t1 +window w1 as (partition by a order by b,pk), +w2 as (partition by b order by c,pk); +c1 c2 c5 c3 c4 +1 1.0000 42 1.0000 1 +1 1.0000 NULL 1.0000 2 +10 1.0000 NULL 1.0000 3 +10 10.0000 3 10.0000 20 +10 10.0000 9 10.0000 20 +10 15.0000 9 17.5000 30 +11 1.0000 NULL 1.0000 3 +12 1.0000 -10 1.0000 2 +2 1.0000 24 1.0000 3 +20 10.0000 12 10.0000 20 +20 10.0000 6 10.0000 20 +20 20.0000 27 20.0000 40 +3 1.0000 -7 1.0000 3 +30 16.6667 13 17.5000 50 +4 1.0000 NULL 1.0000 3 +40 20.0000 19 20.0000 40 +5 1.0000 NULL 1.0000 3 +50 20.0000 21 17.5000 60 +6 1.0000 NULL 1.0000 3 +7 1.0000 13 1.0000 3 +70 20.0000 24 17.5000 40 +8 1.0000 32 1.0000 3 +9 1.0000 -9 1.0000 3 +NULL 1.0000 29 1.0000 1 +NULL NULL 24 1.0000 NULL +NULL NULL 38 1.0000 NULL +NULL NULL 42 1.0000 NULL +drop table t1; +# +# MDEV-9848: Window functions: reuse sorting and/or scanning +# +create table t1 (a int, b int, c int); +insert into t1 values +(1,3,1), +(2,2,1), +(3,1,1); +# Check using counters +flush status; +select +rank() over (partition by c order by a), +rank() over (partition by c order by b) +from t1; +rank() over (partition by c order by a) rank() over (partition by c order by b) +1 3 +2 2 +3 1 +show status like '%sort%'; +Variable_name Value +Sort_merge_passes 0 +Sort_priority_queue_sorts 0 +Sort_range 0 +Sort_rows 6 +Sort_scan 2 +flush status; +select +rank() over (partition by c order by a), +rank() over (partition by c order by a) +from t1; +rank() over (partition by c order by a) rank() over (partition by c order by a) +1 1 +2 2 +3 3 +show status like '%sort%'; +Variable_name Value +Sort_merge_passes 0 +Sort_priority_queue_sorts 0 +Sort_range 0 +Sort_rows 3 +Sort_scan 1 +explain format=json +select +rank() over (partition by c order by a), +rank() over (partition by c order by a) +from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.c, t1.a" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 3, + "filtered": 100 + } + } + } + } +} +explain format=json +select +rank() over (order by a), +row_number() over (order by a) +from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.a" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 3, + "filtered": 100 + } + } + } + } +} +explain format=json +select +rank() over (partition by c order by a), +count(*) over (partition by c) +from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.c, t1.a" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 3, + "filtered": 100 + } + } + } + } +} +explain format=json +select +count(*) over (partition by c), +rank() over (partition by c order by a) +from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.c, t1.a" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 3, + "filtered": 100 + } + } + } + } +} +drop table t1; +# +# MDEV-9847: Window functions: crash with big_tables=1 +# +create table t1(a int); +insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +set @tmp=@@big_tables; +set big_tables=1; +select rank() over (order by a) from t1; +rank() over (order by a) +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +set big_tables=@tmp; +drop table t1; +# +# Check if "ORDER BY window_func" works +# +create table t1 (s1 int, s2 char(5)); +insert into t1 values (1,'a'); +insert into t1 values (null,null); +insert into t1 values (1,null); +insert into t1 values (null,'a'); +insert into t1 values (2,'b'); +insert into t1 values (-1,''); +explain format=json +select *, row_number() over (order by s1, s2) as X from t1 order by X desc; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "filesort": { + "sort_key": "row_number() over ( order by t1.s1,t1.s2) desc", + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.s1, t1.s2" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 6, + "filtered": 100 + } + } + } + } + } +} +select *, row_number() over (order by s1, s2) as X from t1 order by X desc; +s1 s2 X +2 b 6 +1 a 5 +1 NULL 4 +-1 3 +NULL a 2 +NULL NULL 1 +drop table t1; +# +# Try window functions that are not directly present in the select list +# +create table t1 (a int, b int); +insert into t1 values +(1,3), +(2,2), +(3,1); +select +a, b, +rank() over (order by a), rank() over (order by b), +rank() over (order by a) - rank() over (order by b) as diff +from +t1; +a b rank() over (order by a) rank() over (order by b) diff +1 3 1 3 -2 +2 2 2 2 0 +3 1 3 1 2 +drop table t1; +create table t1 (i int); +insert into t1 values (1),(2); +SELECT MAX(i) OVER (PARTITION BY (i)) FROM t1; +MAX(i) OVER (PARTITION BY (i)) +1 +2 +drop table t1; +# +# Check the 0 in ROWS 0 PRECEDING +# +create table t1 ( +part_id int, +pk int, +a int +); +insert into t1 values (1, 1, 1); +insert into t1 values (1, 2, 2); +insert into t1 values (1, 3, 4); +insert into t1 values (1, 4, 8); +select +pk, a, +sum(a) over (order by pk rows between 0 preceding and current row) +from t1; +pk a sum(a) over (order by pk rows between 0 preceding and current row) +1 1 1 +2 2 2 +3 4 4 +4 8 8 +select +pk, a, +sum(a) over (order by pk rows between 1 preceding and 0 preceding) +from t1; +pk a sum(a) over (order by pk rows between 1 preceding and 0 preceding) +1 1 1 +2 2 3 +3 4 6 +4 8 12 +insert into t1 values (200, 1, 1); +insert into t1 values (200, 2, 2); +insert into t1 values (200, 3, 4); +insert into t1 values (200, 4, 8); +select +part_id, pk, a, +sum(a) over (partition by part_id order by pk rows between 0 preceding and current row) +from t1; +part_id pk a sum(a) over (partition by part_id order by pk rows between 0 preceding and current row) +1 1 1 1 +1 2 2 2 +1 3 4 4 +1 4 8 8 +200 1 1 1 +200 2 2 2 +200 3 4 4 +200 4 8 8 +select +part_id, pk, a, +sum(a) over (partition by part_id order by pk rows between 1 preceding and 0 preceding) +from t1; +part_id pk a sum(a) over (partition by part_id order by pk rows between 1 preceding and 0 preceding) +1 1 1 1 +1 2 2 3 +1 3 4 6 +1 4 8 12 +200 1 1 1 +200 2 2 3 +200 3 4 6 +200 4 8 12 +drop table t1; +# +# MDEV-9780, The "DISTINCT must not bet converted into GROUP BY when +# window functions are present" part +# +create table t1 (part_id int, a int); +insert into t1 values +(100, 1), +(100, 2), +(100, 2), +(100, 3), +(2000, 1), +(2000, 2), +(2000, 3), +(2000, 3), +(2000, 3); +select rank() over (partition by part_id order by a) from t1; +rank() over (partition by part_id order by a) +1 +2 +2 +4 +1 +2 +3 +3 +3 +select distinct rank() over (partition by part_id order by a) from t1; +rank() over (partition by part_id order by a) +1 +2 +4 +3 +explain format=json +select distinct rank() over (partition by part_id order by a) from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "duplicate_removal": { + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.part_id, t1.a" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 9, + "filtered": 100 + } + } + } + } + } +} +drop table t1; +# +# MDEV-9893: Window functions with different ORDER BY lists, +# one of these lists containing an expression +# +create table t1 (s1 int, s2 char(5)); +insert into t1 values (1,'a'); +insert into t1 values (null,null); +insert into t1 values (3,null); +insert into t1 values (4,'a'); +insert into t1 values (2,'b'); +insert into t1 values (-1,''); +select +*, +ROW_NUMBER() OVER (order by s1), +CUME_DIST() OVER (order by -s1) +from t1; +s1 s2 ROW_NUMBER() OVER (order by s1) CUME_DIST() OVER (order by -s1) +-1 2 1.0000000000 +1 a 3 0.8333333333 +2 b 4 0.6666666667 +3 NULL 5 0.5000000000 +4 a 6 0.3333333333 +NULL NULL 1 0.1666666667 +drop table t1; +# +# MDEV-9925: Wrong result with aggregate function as a window function +# +create table t1 (i int); +insert into t1 values (1),(2); +select i, sum(i) over (partition by i) from t1; +i sum(i) over (partition by i) +1 1 +2 2 +drop table t1; +# +# MDEV-9922: Assertion `!join->only_const_tables() && fsort' failed in int create_sort_index +# +create view v1 as select 1 as i; +select rank() over (order by i) from v1; +rank() over (order by i) +1 +drop view v1; +# +# MDEV-10097: Assertion `count > 0' failed in Item_sum_sum::add_helper(bool) +# +CREATE TABLE `orders` ( +`o_orderkey` int(11) NOT NULL, +`o_custkey` int(11) DEFAULT NULL, +PRIMARY KEY (`o_orderkey`) +) DEFAULT CHARSET=latin1; +INSERT INTO `orders` VALUES (59908,242); +INSERT INTO `orders` VALUES (59940,238); +SELECT o_custkey, avg(o_custkey) OVER (PARTITION BY abs(o_custkey) +ORDER BY o_custkey +RANGE BETWEEN 15 FOLLOWING +AND 15 FOLLOWING) from orders; +o_custkey avg(o_custkey) OVER (PARTITION BY abs(o_custkey) +ORDER BY o_custkey +RANGE BETWEEN 15 FOLLOWING +AND 15 FOLLOWING) +238 NULL +242 NULL +DROP table orders; +# +# MDEV-10842: window functions with the same order column +# but different directions +# +create table t1 ( +pk int primary key, +a int, +b int, +c char(10) +); +insert into t1 values +( 1, 0, 1, 'one'), +( 2, 0, 2, 'two'), +( 3, 0, 3, 'three'), +( 4, 1, 1, 'one'), +( 5, 1, 1, 'two'), +( 6, 1, 2, 'three'), +( 7, 2, NULL, 'n_one'), +( 8, 2, 1, 'n_two'), +( 9, 2, 2, 'n_three'), +(10, 2, 0, 'n_four'), +(11, 2, 10, NULL); +select pk, +row_number() over (order by pk desc) as r_desc, +row_number() over (order by pk asc) as r_asc +from t1; +pk r_desc r_asc +11 1 11 +10 2 10 +9 3 9 +8 4 8 +7 5 7 +6 6 6 +5 7 5 +4 8 4 +3 9 3 +2 10 2 +1 11 1 +drop table t1; +# +# MDEV-10874: two window functions with compatible sorting +# +create table t1 ( +pk int primary key, +a int, +b int, +c char(10), +d decimal(10, 3), +e real +); +insert into t1 values +( 1, 0, 1, 'one', 0.1, 0.001), +( 2, 0, 2, 'two', 0.2, 0.002), +( 3, 0, 3, 'three', 0.3, 0.003), +( 4, 1, 2, 'three', 0.4, 0.004), +( 5, 1, 1, 'two', 0.5, 0.005), +( 6, 1, 1, 'one', 0.6, 0.006), +( 7, 2, NULL, 'n_one', 0.5, 0.007), +( 8, 2, 1, 'n_two', NULL, 0.008), +( 9, 2, 2, NULL, 0.7, 0.009), +(10, 2, 0, 'n_four', 0.8, 0.010), +(11, 2, 10, NULL, 0.9, NULL); +select pk, a, d, +sum(d) over (partition by a order by pk +ROWS between 1 preceding and current row) as sum_1, +sum(d) over (order by a +ROWS BETWEEN 1 preceding and 2 following) as sum_2 +from t1; +pk a d sum_1 sum_2 +1 0 0.100 0.100 0.600 +2 0 0.200 0.300 1.000 +3 0 0.300 0.500 1.400 +4 1 0.400 0.400 1.800 +5 1 0.500 0.900 2.000 +6 1 0.600 1.100 1.600 +7 2 0.500 0.500 1.800 +8 2 NULL 0.500 2.000 +9 2 0.700 0.700 2.400 +10 2 0.800 1.500 2.400 +11 2 0.900 1.700 1.700 +explain format=json +select pk, a, d, +sum(d) over (partition by a order by pk +ROWS between 1 preceding and current row) as sum_1, +sum(d) over (order by a +ROWS BETWEEN 1 preceding and 2 following) as sum_2 +from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.a, t1.pk" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 11, + "filtered": 100 + } + } + } + } +} +select pk, a, d, +sum(d) over (partition by a order by pk desc +ROWS between 1 preceding and current row) as sum_1, +sum(d) over (order by a +ROWS BETWEEN 1 preceding and 2 following) as sum_2 +from t1; +pk a d sum_1 sum_2 +3 0 0.300 0.300 0.600 +2 0 0.200 0.500 1.200 +1 0 0.100 0.300 1.400 +6 1 0.600 0.600 1.600 +5 1 0.500 1.100 2.400 +4 1 0.400 0.900 2.600 +11 2 0.900 0.900 2.800 +10 2 0.800 1.700 2.400 +9 2 0.700 1.500 2.000 +8 2 NULL 0.700 1.200 +7 2 0.500 0.500 0.500 +drop table t1; +# +# MDEV-9941: two window functions with compatible partitions +# +create table t1 ( +a int, +b int, +c int +); +insert into t1 values +(10, 1, 1), +(10, 3, 10), +(10, 1, 10), +(10, 3, 100), +(10, 5, 1000), +(10, 1, 100); +explain format=json +select +a,b,c, +row_number() over (partition by a), +row_number() over (partition by a, b) +from t1; +EXPLAIN +{ + "query_block": { + "select_id": 1, + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "t1.a, t1.b" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "rows": 6, + "filtered": 100 + } + } + } + } +} +drop table t1; +# +# MDEV-10815: Window Function Expressions Wrong Results +# +create table t(a decimal(35,10), b int); +insert into t(a,b) values(1,1); +insert into t(a,b) values(2,1); +insert into t(a,b) values(0,1); +insert into t(a,b) values(1, 2); +insert into t(a,b) values(1.5,2); +insert into t(a,b) values(3, 2); +insert into t(a,b) values(4.5,2); +select a, b, +sum(t.a) over (partition by t.b order by a) as simple_sum, +sum(t.a) over (partition by t.b order by a) + 1 as sum_and_const, +sum(t.b) over (partition by t.b order by a) + sum(t.a) over (partition by t.b order by a) as sum_and_sum +from t +order by t.b, t.a; +a b simple_sum sum_and_const sum_and_sum +0.0000000000 1 0.0000000000 1.0000000000 1.0000000000 +1.0000000000 1 1.0000000000 2.0000000000 3.0000000000 +2.0000000000 1 3.0000000000 4.0000000000 6.0000000000 +1.0000000000 2 1.0000000000 2.0000000000 3.0000000000 +1.5000000000 2 2.5000000000 3.5000000000 6.5000000000 +3.0000000000 2 5.5000000000 6.5000000000 11.5000000000 +4.5000000000 2 10.0000000000 11.0000000000 18.0000000000 +drop table t; +# +# MDEV-10669: Crash in SELECT with window function used +# +create table t(a decimal(35,10), b int); +insert into t(a,b) values(1,1); +insert into t(a,b) values(2,1); +insert into t(a,b) values(0,1); +SELECT (CASE WHEN sum(t.a) over (partition by t.b)=0 THEN null ELSE null END) AS a FROM t; +a +NULL +NULL +NULL +SELECT ifnull(((t.a) / CASE WHEN sum(t.a) over(partition by t.b) =0 then null else null end) ,0) from t; +ifnull(((t.a) / CASE WHEN sum(t.a) over(partition by t.b) =0 then null else null end) ,0) +0.00000000000000 +0.00000000000000 +0.00000000000000 +SELECT sum(t.a) over (partition by t.b order by a), +sqrt(ifnull((sum(t.a) over (partition by t.b order by a)), 0)) +from t; +sum(t.a) over (partition by t.b order by a) sqrt(ifnull((sum(t.a) over (partition by t.b order by a)), 0)) +0.0000000000 0 +1.0000000000 1 +3.0000000000 1.7320508075688772 +drop table t; +# +# MDEV-10868: view definitions with window functions +# +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 (pk int, c int); +insert into t1 select a+1,1 from t0; +update t1 set c=2 where pk not in (1,2,3,4); +select * from t1; +pk c +1 1 +2 1 +3 1 +4 1 +5 2 +6 2 +7 2 +8 2 +9 2 +10 2 +select pk, c, c/count(*) over (partition by c order by pk +rows between 1 preceding and 2 following) as CNT +from t1; +pk c CNT +1 1 0.3333 +2 1 0.2500 +3 1 0.3333 +4 1 0.5000 +5 2 0.6667 +6 2 0.5000 +7 2 0.5000 +8 2 0.5000 +9 2 0.6667 +10 2 1.0000 +create view v1 as select pk, c, c/count(*) over (partition by c order by pk +rows between 1 preceding and 2 following) as CNT +from t1; +show create view v1; +View Create View character_set_client collation_connection +v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`pk` AS `pk`,`t1`.`c` AS `c`,`t1`.`c` / count(0) over ( partition by `t1`.`c` order by `t1`.`pk` rows between 1 preceding and 2 following ) AS `CNT` from `t1` latin1 latin1_swedish_ci +select * from v1; +pk c CNT +1 1 0.3333 +2 1 0.2500 +3 1 0.3333 +4 1 0.5000 +5 2 0.6667 +6 2 0.5000 +7 2 0.5000 +8 2 0.5000 +9 2 0.6667 +10 2 1.0000 +select pk, c, c/count(*) over w1 as CNT from t1 +window w1 as (partition by c order by pk rows between 1 preceding and 2 following); +pk c CNT +1 1 0.3333 +2 1 0.2500 +3 1 0.3333 +4 1 0.5000 +5 2 0.6667 +6 2 0.5000 +7 2 0.5000 +8 2 0.5000 +9 2 0.6667 +10 2 1.0000 +create view v2 as select pk, c, c/count(*) over w1 as CNT from t1 +window w1 as (partition by c order by pk rows between 1 preceding and 2 following); +show create view v2; +View Create View character_set_client collation_connection +v2 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`pk` AS `pk`,`t1`.`c` AS `c`,`t1`.`c` / count(0) over ( partition by `t1`.`c` order by `t1`.`pk` rows between 1 preceding and 2 following ) AS `CNT` from `t1` latin1 latin1_swedish_ci +select * from v2; +pk c CNT +1 1 0.3333 +2 1 0.2500 +3 1 0.3333 +4 1 0.5000 +5 2 0.6667 +6 2 0.5000 +7 2 0.5000 +8 2 0.5000 +9 2 0.6667 +10 2 1.0000 +select pk, c, c/count(*) over w1 as CNT from t1 +window w1 as (partition by c order by pk rows unbounded preceding); +pk c CNT +1 1 1.0000 +2 1 0.5000 +3 1 0.3333 +4 1 0.2500 +5 2 2.0000 +6 2 1.0000 +7 2 0.6667 +8 2 0.5000 +9 2 0.4000 +10 2 0.3333 +create view v3 as select pk, c, c/count(*) over w1 as CNT from t1 +window w1 as (partition by c order by pk rows unbounded preceding); +show create view v3; +View Create View character_set_client collation_connection +v3 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t1`.`pk` AS `pk`,`t1`.`c` AS `c`,`t1`.`c` / count(0) over ( partition by `t1`.`c` order by `t1`.`pk` rows between unbounded preceding and current row ) AS `CNT` from `t1` latin1 latin1_swedish_ci +select * from v3; +pk c CNT +1 1 1.0000 +2 1 0.5000 +3 1 0.3333 +4 1 0.2500 +5 2 2.0000 +6 2 1.0000 +7 2 0.6667 +8 2 0.5000 +9 2 0.4000 +10 2 0.3333 +select pk, c, c/count(*) over (partition by c order by pk +range between 3 preceding and current row) as CNT +from t1; +pk c CNT +1 1 1.0000 +2 1 0.5000 +3 1 0.3333 +4 1 0.2500 +5 2 2.0000 +6 2 1.0000 +7 2 0.6667 +8 2 0.5000 +9 2 0.5000 +10 2 0.5000 +create view v4 as select pk, c, c/count(*) over (partition by c order by pk +range between 3 preceding and current row) as CNT +from t1; +show create view v4; +View Create View character_set_client collation_connection +v4 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v4` AS select `t1`.`pk` AS `pk`,`t1`.`c` AS `c`,`t1`.`c` / count(0) over ( partition by `t1`.`c` order by `t1`.`pk` range between 3 preceding and current row ) AS `CNT` from `t1` latin1 latin1_swedish_ci +select * from v4; +pk c CNT +1 1 1.0000 +2 1 0.5000 +3 1 0.3333 +4 1 0.2500 +5 2 2.0000 +6 2 1.0000 +7 2 0.6667 +8 2 0.5000 +9 2 0.5000 +10 2 0.5000 +drop view v1,v2,v3,v4; +drop table t0,t1; +# +# MDEV-10875: window function in subquery +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (3),(1); +CREATE TABLE t2 (c VARCHAR(8)); +INSERT INTO t2 VALUES ('foo'),('bar'),('foo'); +SELECT COUNT(*) OVER (PARTITION BY c) FROM t2; +COUNT(*) OVER (PARTITION BY c) +1 +2 +2 +SELECT * FROM t1 WHERE i IN ( SELECT COUNT(*) OVER (PARTITION BY c) FROM t2 ); +i +1 +DROP TABLE t1, t2; +# +# MDEV-9976: window function without PARTITION BY and ORDER BY +# +CREATE TABLE t1 (id int, a int); +INSERT INTO t1 VALUES +(1,1000), (2,1100), (3,1800), (4,1500), (5,1700), (6,1200), +(7,2000), (8,2100), (9,1600); +SELECT id, sum(a) OVER (PARTITION BY id +ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING) +FROM t1; +id sum(a) OVER (PARTITION BY id +1 1000 +2 1100 +3 1800 +4 1500 +5 1700 +6 1200 +7 2000 +8 2100 +9 1600 +ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING) +SELECT id, sum(a) OVER (ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING) +FROM t1; +id sum(a) OVER (ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING) +1 14000 +2 13000 +3 5900 +4 10700 +5 7600 +6 11900 +7 4100 +8 2100 +9 9200 +DROP TABLE t1; +# +# MDEV-11867: window function with aggregation +# over the result of grouping +# +create table t1 ( +username varchar(32), +amount int +); +insert into t1 values +('user1',1), +('user1',5), +('user1',3), +('user2',10), +('user2',20), +('user2',30); +select username, sum(amount) as s, avg(sum(amount)) over (order by s desc) +from t1 +group by username; +username s avg(sum(amount)) over (order by s desc) +user1 9 34.5000 +user2 60 60.0000 +select username, sum(amount), avg(sum(amount)) over (order by sum(amount) desc) +from t1 +group by username; +username sum(amount) avg(sum(amount)) over (order by sum(amount) desc) +user1 9 34.5000 +user2 60 60.0000 +drop table t1; +# +# MDEV-11594: window function over implicit grouping +# +create table t1 (id int); +insert into t1 values (1), (2), (3), (2); +select sum(id) over (order by sum(id)) from t1; +sum(id) over (order by sum(id)) +1 +select sum(sum(id)) over (order by sum(id)) from t1; +sum(sum(id)) over (order by sum(id)) +8 +drop table t1; +# +# MDEV-9923: integer constant in order by list +# of window specification +# +create table t1 (id int); +insert into t1 values (1), (2), (3), (2); +select rank() over (order by 1) from t1; +rank() over (order by 1) +1 +1 +1 +1 +select rank() over (order by 2) from t1; +rank() over (order by 2) +1 +1 +1 +1 +select rank() over (partition by id order by 2) from t1; +rank() over (partition by id order by 2) +1 +1 +1 +1 +drop table t1; +# +# MDEV-10660: view using a simple window function +# +create table t1 (id int); +insert into t1 values (1), (2), (3), (2); +create view v1(id,rnk) as +select id, rank() over (order by id) from t1; +show create view v1; +View Create View character_set_client collation_connection +v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`id` AS `id`,rank() over ( order by `t1`.`id`) AS `rnk` from `t1` latin1 latin1_swedish_ci +select id, rank() over (order by id) from t1; +id rank() over (order by id) +1 1 +2 2 +2 2 +3 4 +select * from v1; +id rnk +1 1 +2 2 +2 2 +3 4 +drop view v1; +drop table t1; +# +# MDEV-11138: window function in the query without tables +# +select row_number() over (); +row_number() over () +1 +select count(*) over (); +count(*) over () +1 +select sum(5) over (); +sum(5) over () +5 +select row_number() over (), sum(5) over (); +row_number() over () sum(5) over () +1 5 +select row_number() over (order by 2); +row_number() over (order by 2) +1 +select row_number() over (partition by 2); +row_number() over (partition by 2) +1 +select row_number() over (partition by 4 order by 1+2); +row_number() over (partition by 4 order by 1+2) +1 +# +# MDEV-11999: execution of prepared statement for +# tableless query with window functions +# +prepare stmt from +"select row_number() over (partition by 4 order by 1+2)"; +execute stmt; +row_number() over (partition by 4 order by 1+2) +1 +execute stmt; +row_number() over (partition by 4 order by 1+2) +1 +deallocate prepare stmt; +# +# MDEV-11745: window function with min/max +# +create table t1 (i int, b int); +insert into t1 values +(1,1),(2,1),(3,1),(4,4),(5,4),(6,4),(7,8),(8,8),(9,8),(10,8); +select b, min(i) over (partition by b) as f +from t1 as tt +order by i; +b f +1 1 +1 1 +1 1 +4 4 +4 4 +4 4 +8 7 +8 7 +8 7 +8 7 +select b, min(i) over (partition by b) as f +from (select * from t1) as tt +order by i; +b f +1 1 +1 1 +1 1 +4 4 +4 4 +4 4 +8 7 +8 7 +8 7 +8 7 +select b, min(i+10) over (partition by b) as f +from t1 as tt +order by i; +b f +1 11 +1 11 +1 11 +4 14 +4 14 +4 14 +8 17 +8 17 +8 17 +8 17 +select b, min(i) over (partition by b) as f +from (select i+10 as i, b from t1) as tt +order by i; +b f +1 11 +1 11 +1 11 +4 14 +4 14 +4 14 +8 17 +8 17 +8 17 +8 17 +select b, min(i+20) over (partition by b) as f +from (select i+10 as i, b from t1) as tt +order by i; +b f +1 31 +1 31 +1 31 +4 34 +4 34 +4 34 +8 37 +8 37 +8 37 +8 37 +select b, max(i) over (partition by b) as f +from t1 as tt +order by i; +b f +1 3 +1 3 +1 3 +4 6 +4 6 +4 6 +8 10 +8 10 +8 10 +8 10 +select b, max(i) over (partition by b) as f +from (select * from t1) as tt +order by i; +b f +1 3 +1 3 +1 3 +4 6 +4 6 +4 6 +8 10 +8 10 +8 10 +8 10 +select b, max(i+10) over (partition by b) as f +from t1 as tt +order by i; +b f +1 13 +1 13 +1 13 +4 16 +4 16 +4 16 +8 20 +8 20 +8 20 +8 20 +select b, max(i) over (partition by b) as f +from (select i+10 as i, b from t1) as tt +order by i; +b f +1 13 +1 13 +1 13 +4 16 +4 16 +4 16 +8 20 +8 20 +8 20 +8 20 +select b, max(i+20) over (partition by b) as f +from (select i+10 as i, b from t1) as tt +order by i; +b f +1 33 +1 33 +1 33 +4 36 +4 36 +4 36 +8 40 +8 40 +8 40 +8 40 +select max(i), max(i), sum(i), count(i) +from t1 as tt +group by b; +max(i) max(i) sum(i) count(i) +3 3 6 3 +6 6 15 3 +10 10 34 4 +select max(i), min(sum(i)) over (partition by count(i)) f +from t1 as tt +group by b; +max(i) f +3 6 +6 6 +10 34 +select max(i), min(sum(i)) over (partition by count(i)) f +from (select * from t1) as tt +group by b; +max(i) f +3 6 +6 6 +10 34 +select max(i+10), min(sum(i)+10) over (partition by count(i)) f +from t1 as tt +group by b; +max(i+10) f +13 16 +16 16 +20 44 +select max(i), max(i), sum(i), count(i) +from (select i+10 as i, b from t1) as tt +group by b; +max(i) max(i) sum(i) count(i) +13 13 36 3 +16 16 45 3 +20 20 74 4 +select max(i), min(sum(i)) over (partition by count(i)) f +from (select i+10 as i, b from t1) as tt +group by b; +max(i) f +13 36 +16 36 +20 74 +select max(i), min(i), min(max(i)-min(i)) over (partition by count(i)) f +from (select i+10 as i, b from t1) as tt +group by b; +max(i) min(i) f +13 11 2 +16 14 2 +20 17 3 +drop table t1; +# +# MDEV-12015: window function over select with WHERE +# that is always FALSE +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (3), (1), (2); +SELECT i, ROW_NUMBER() OVER () FROM t1 WHERE 1 = 2; +i ROW_NUMBER() OVER () +SELECT i, COUNT(*) OVER () FROM t1 WHERE 1 = 2; +i COUNT(*) OVER () +DROP TABLE t1; +# +# MDEV-12051: window function in query with implicit grouping +# on always empty set +# +create table t1 (a int, b varchar(8)); +insert into t1 values (1,'foo'),(2,'bar'); +select max(a), row_number() over () from t1 where a > 10; +max(a) row_number() over () +NULL 1 +select max(a), sum(max(a)) over () from t1 where a > 10; +max(a) sum(max(a)) over () +NULL NULL +select max(a), sum(max(a)) over (partition by max(a)) from t1 where a > 10; +max(a) sum(max(a)) over (partition by max(a)) +NULL NULL +select max(a), row_number() over () from t1 where 1 = 2; +max(a) row_number() over () +NULL 1 +select max(a), sum(max(a)) over () from t1 where 1 = 2; +max(a) sum(max(a)) over () +NULL NULL +select max(a), sum(max(a)) over (partition by max(a)) from t1 where 1 = 2; +max(a) sum(max(a)) over (partition by max(a)) +NULL NULL +select max(a), row_number() over () from t1 where 1 = 2 +having max(a) is not null; +max(a) row_number() over () +select max(a), sum(max(a)) over () from t1 where 1 = 2 +having max(a) is not null; +max(a) sum(max(a)) over () +drop table t1; +# +# MDEV-10885: window function in query with implicit grouping +# with constant condition evaluated to false +# +CREATE TABLE t1 (a INT, b VARCHAR(8)); +INSERT INTO t1 VALUES (1,'foo'),(2,'bar'); +CREATE TABLE t2 (c INT); +INSERT INTO t2 VALUES (3),(4); +CREATE TABLE t3 (d INT); +INSERT INTO t3 VALUES (5),(6); +SELECT MAX(a), ROW_NUMBER() OVER (PARTITION BY MAX(a)) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ); +MAX(a) ROW_NUMBER() OVER (PARTITION BY MAX(a)) +NULL 1 +SELECT MAX(a), COUNT(MAX(a)) OVER (PARTITION BY MAX(a)) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ); +MAX(a) COUNT(MAX(a)) OVER (PARTITION BY MAX(a)) +NULL 0 +SELECT MAX(a), SUM(MAX(a)) OVER (PARTITION BY MAX(a)) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ); +MAX(a) SUM(MAX(a)) OVER (PARTITION BY MAX(a)) +NULL NULL +SELECT MAX(a), ROW_NUMBER() OVER (PARTITION BY MAX(a)) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ) +HAVING MAX(a) IS NOT NULL; +MAX(a) ROW_NUMBER() OVER (PARTITION BY MAX(a)) +SELECT a, MAX(a), ROW_NUMBER() OVER (PARTITION BY b) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ); +a MAX(a) ROW_NUMBER() OVER (PARTITION BY b) +NULL NULL 1 +SELECT a, COUNT(a), AVG(a) OVER (PARTITION BY b) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ); +a COUNT(a) AVG(a) OVER (PARTITION BY b) +NULL 0 NULL +SELECT a, MAX(a), AVG(a) OVER (PARTITION BY b) FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) ); +a MAX(a) AVG(a) OVER (PARTITION BY b) +NULL NULL NULL +DROP TABLE t1,t2,t3; +# +# MDEV-10859: Wrong result of aggregate window function in query +# with HAVING and no ORDER BY +# +create table empsalary (depname varchar(32), empno smallint primary key, salary int); +insert into empsalary values +('develop', 1, 5000), ('develop', 2, 4000),('sales', 3, '6000'),('sales', 4, 5000); +SELECT depname, empno, salary, avg(salary) OVER (PARTITION BY depname) FROM empsalary; +depname empno salary avg(salary) OVER (PARTITION BY depname) +develop 1 5000 4500.0000 +develop 2 4000 4500.0000 +sales 3 6000 5500.0000 +sales 4 5000 5500.0000 +SELECT depname, empno, salary, avg(salary) OVER (PARTITION BY depname) FROM empsalary ORDER BY depname; +depname empno salary avg(salary) OVER (PARTITION BY depname) +develop 1 5000 4500.0000 +develop 2 4000 4500.0000 +sales 3 6000 5500.0000 +sales 4 5000 5500.0000 +# +# These last 2 should have the same row results, ignoring order. +# +SELECT depname, empno, salary, avg(salary) OVER (PARTITION BY depname) FROM empsalary HAVING empno > 1; +depname empno salary avg(salary) OVER (PARTITION BY depname) +develop 2 4000 4000.0000 +sales 3 6000 5500.0000 +sales 4 5000 5500.0000 +SELECT depname, empno, salary, avg(salary) OVER (PARTITION BY depname) FROM empsalary HAVING empno > 1 ORDER BY depname; +depname empno salary avg(salary) OVER (PARTITION BY depname) +develop 2 4000 4000.0000 +sales 3 6000 5500.0000 +sales 4 5000 5500.0000 +drop table empsalary; +# +# MDEV-11868: min(distinct) over () returns wrong value +# +create table TDEC (CDEC int, RNUM int); +create view VDEC as select * from TDEC; +insert into TDEC (CDEC) values (null),(-1),(0),(1),(0),(10); +select TDEC.CDEC, min(TDEC.CDEC) over () from TDEC; +CDEC min(TDEC.CDEC) over () +NULL -1 +-1 -1 +0 -1 +0 -1 +1 -1 +10 -1 +select VDEC.CDEC, min(VDEC.CDEC) over () from VDEC; +CDEC min(VDEC.CDEC) over () +NULL -1 +-1 -1 +0 -1 +0 -1 +1 -1 +10 -1 +select TDEC.CDEC, max(TDEC.CDEC) over () from TDEC; +CDEC max(TDEC.CDEC) over () +NULL 10 +-1 10 +0 10 +0 10 +1 10 +10 10 +select VDEC.CDEC, max(VDEC.CDEC) over () from VDEC; +CDEC max(VDEC.CDEC) over () +NULL 10 +-1 10 +0 10 +0 10 +1 10 +10 10 +select TDEC.CDEC, min(distinct TDEC.CDEC) over () from TDEC; +CDEC min(distinct TDEC.CDEC) over () +NULL -1 +-1 -1 +0 -1 +0 -1 +1 -1 +10 -1 +select VDEC.CDEC, min(distinct VDEC.CDEC) over () from VDEC; +CDEC min(distinct VDEC.CDEC) over () +NULL -1 +-1 -1 +0 -1 +0 -1 +1 -1 +10 -1 +select TDEC.CDEC, max(distinct TDEC.CDEC) over () from TDEC; +CDEC max(distinct TDEC.CDEC) over () +NULL 10 +-1 10 +0 10 +0 10 +1 10 +10 10 +select VDEC.CDEC, max(distinct VDEC.CDEC) over () from VDEC; +CDEC max(distinct VDEC.CDEC) over () +NULL 10 +-1 10 +0 10 +0 10 +1 10 +10 10 +# +# These should be removed once support for them is added. +# +select TDEC.CDEC, count(distinct TDEC.CDEC) over () from TDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'COUNT(DISTINCT) aggregate as window function' +select VDEC.CDEC, count(distinct VDEC.CDEC) over () from VDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'COUNT(DISTINCT) aggregate as window function' +select TDEC.CDEC, sum(distinct TDEC.CDEC) over () from TDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'SUM(DISTINCT) aggregate as window function' +select VDEC.CDEC, sum(distinct VDEC.CDEC) over () from VDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'SUM(DISTINCT) aggregate as window function' +select TDEC.CDEC, avg(distinct TDEC.CDEC) over () from TDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'AVG(DISTINCT) aggregate as window function' +select VDEC.CDEC, avg(distinct VDEC.CDEC) over () from VDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'AVG(DISTINCT) aggregate as window function' +select TDEC.CDEC, GROUP_CONCAT(TDEC.CDEC) over () from TDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'GROUP_CONCAT() aggregate as window function' +select VDEC.CDEC, GROUP_CONCAT(distinct VDEC.CDEC) over () from VDEC; +ERROR 42000: This version of MariaDB doesn't yet support 'GROUP_CONCAT() aggregate as window function' +drop table TDEC; +drop view VDEC; +# +# MDEV-10700: 10.2.2 windowing function returns incorrect result +# +create table t(a int,b int, c int , d int); +insert into t(a,b,c,d) values(1, rand(10)*1000, rand(10)*1000, rand(10)*1000); +insert into t(a,b,c,d) values(1, rand(10)*1000, rand(10)*1000, rand(10)*1000); +replace into t(a,b,c,d) select 1, rand(10)*1000, rand(10)*1000, rand(10)*1000 from t t1, t t2, t t3, t t4, t t5, t t6, t t7, t t8, t t9, t t10, t t11, t t12, t t13, t t14, t t15, t t16, t t17; +select count(distinct s) from (select sum(d) over(partition by a,b,c) as s from t) Z where s > 0; +count(distinct s) +993 +select count(distinct s) from (select sum(d) as s from t group by a,b,c) Z where s > 0; +count(distinct s) +993 +select count(distinct s) from (select sum(d) over(partition by a,b) as s from t) Z where s > 0; +count(distinct s) +993 +select count(distinct s) from (select sum(d) as s from t group by a,b) Z where s > 0; +count(distinct s) +993 +select count(distinct s) from (select sum(d) over(partition by a) as s from t) Z where s > 0; +count(distinct s) +1 +select count(distinct s) from (select sum(d) as s from t group by a) Z where s > 0; +count(distinct s) +1 +drop table t; +# +# MDEV-9924: window function in query with group by optimized away +# +create table t1 (i int); +insert into t1 values (2),(3),(1); +select row_number() over () from t1 group by 1+2; +row_number() over () +1 +select max(i), row_number() over () from t1 group by 1+2; +max(i) row_number() over () +3 1 +select rank() over (order by max(i)) from t1 group by 1+2; +rank() over (order by max(i)) +1 +select i, row_number() over () from t1 group by 1+2; +i row_number() over () +2 1 +select i, rank() over (order by i) rnk from t1 group by 1+2; +i rnk +2 1 +drop table t1; +# +# MDEV-11907: window function as the second operand of division +# +create table t1 (pk int, c int); +insert into t1 values (1,1),(2,1),(3,1),(4,1),(5,2); +set @sql_mode_save= @@sql_mode; +set sql_mode='ERROR_FOR_DIVISION_BY_ZERO'; +select pk, c, c/count(*) over +(partition by c order by pk +rows between 1 preceding and 2 following) as CNT +from t1; +pk c CNT +1 1 0.3333 +2 1 0.2500 +3 1 0.3333 +4 1 0.5000 +5 2 2.0000 +show warnings; +Level Code Message +set sql_mode=@sql_mode_save; +drop table t1; +# +# MDEV-12336: several functions over a window function +# +create table t1 (name varchar(10), cnt int); +insert into t1 values ('Fred', 23), ('Fred', 35), ('Joe', 10); +select q.name, q.row_cnt, +round( 100 * ( q.row_cnt / +sum(q.row_cnt) over +( +order by q.name +rows between +unbounded preceding and +unbounded following +) +),2 +) pct_of_total +from +( +select name, count(*) row_cnt, sum(cnt) sum_cnt +from t1 +group by 1 +) q; +name row_cnt pct_of_total +Fred 2 66.67 +Joe 1 33.33 +drop table t1; +# +# MDEV-11990: window function over min/max aggregation +# +create table t1 (id int); +insert into t1 values (1), (2), (3), (2), (4), (2); +select sum(max(id)) over (order by max(id)) from t1; +sum(max(id)) over (order by max(id)) +4 +explain +select sum(max(id)) over (order by max(id)) from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 6 Using temporary +create index idx on t1(id); +select sum(max(id)) over (order by max(id)) from t1; +sum(max(id)) over (order by max(id)) +4 +explain +select sum(max(id)) over (order by max(id)) from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used +select sum(max(id)) over (order by max(id)) from t1 where id < 3; +sum(max(id)) over (order by max(id)) +2 +select count(max(id)) over (order by max(id)) from t1 where id < 3; +count(max(id)) over (order by max(id)) +1 +select max(id), rank() over (order by max(id)) from t1 where id < 3; +max(id) rank() over (order by max(id)) +2 1 +drop table t1; +# +# main.win failure post MDEV-12336 +# +create table t(a decimal(35,10), b int); +insert into t values (1, 10), (2, 20), (3, 30); +prepare stmt from "SELECT (CASE WHEN sum(t.a) over (partition by t.b)=1 THEN 1000 ELSE 300 END) AS a FROM t"; +execute stmt; +a +1000 +300 +300 +drop table t; +# +# MDEV-12851 case with window functions query crashes server +# +create table t1(dt datetime); +insert into t1 values ('2017-05-17'), ('2017-05-18'); +select dt, +case when (max(dt) over (order by dt rows between 1 following and 1 following) is null) +then '9999-12-31 12:00:00' + else max(dt) over (order by dt rows between 1 following and 1 following) +end x, +case when (max(dt) over (order by dt rows between 1 following and 1 following) is not null) +then '9999-12-31 12:00:00' + else max(dt) over (order by dt rows between 1 following and 1 following) +end x +from t1; +dt x x +2017-05-17 00:00:00 2017-05-18 00:00:00 9999-12-31 12:00:00 +2017-05-18 00:00:00 9999-12-31 12:00:00 NULL +drop table t1; +create table t1(i int); +insert into t1 values (null),(1),(2); +select max(i) over (order by i), +max(i) over (order by i) is null, +max(i) over (order by i) is not null +from t1; +max(i) over (order by i) max(i) over (order by i) is null max(i) over (order by i) is not null +NULL 1 0 +1 0 1 +2 0 1 +drop table t1; +# +# MDEV-13189: Window functions crash when using INTERVAL function +# +create table t1(i int); +insert into t1 values (1),(2),(10),(20),(30); +select sum(i) over (order by i), interval(sum(i) over (order by i), 10, 20) +from t1; +sum(i) over (order by i) interval(sum(i) over (order by i), 10, 20) +1 0 +3 0 +13 1 +33 2 +63 2 +drop table t1; +# +# MDEV-13352: Server crashes in st_join_table::remove_duplicates +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +SELECT DISTINCT ROW_NUMBER() OVER(), i FROM t1 WHERE 0; +ROW_NUMBER() OVER() i +SELECT ROW_NUMBER() OVER(), i FROM t1 WHERE 0; +ROW_NUMBER() OVER() i +DROP TABLE t1; +# +# MDEV-13344: Server crashes in in AGGR_OP::put_record on subquery +# with window function and constant table +# (Testcase only) +# +CREATE TABLE t1 (c CHAR(8)) ENGINE=MyISAM; +INSERT IGNORE INTO t1 VALUES ('foo'); +SELECT ('bar',1) IN ( SELECT c, ROW_NUMBER() OVER (PARTITION BY c) FROM t1); +('bar',1) IN ( SELECT c, ROW_NUMBER() OVER (PARTITION BY c) FROM t1) +0 +DROP TABLE t1; +# +# MDEV-13351: Server crashes in st_select_lex::set_explain_type upon UNION with window function +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +SELECT Nth_value(i,1) OVER() FROM t1 +UNION ALL +( SELECT Nth_value(i,2) OVER() FROM t1 LIMIT 0 ) +; +Nth_value(i,1) OVER() +1 +1 +DROP TABLE t1; +# +# A regression after MDEV-13351: +# MDEV-13374 : Server crashes in first_linear_tab / st_select_lex::set_explain_type +# upon UNION with aggregate function +# +CREATE TABLE t1 (i INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); +SELECT i AS fld FROM t1 UNION SELECT COUNT(*) AS fld FROM t1; +fld +1 +2 +DROP TABLE t1; +# +# MDEV-13240 Wrong warning with MAX(datetime_field) OVER (...) +# +CREATE TABLE t1 (dt DATETIME); +INSERT INTO t1 VALUES ('2017-05-17'); +SELECT MAX(dt) OVER (ORDER BY dt ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING) FROM t1; +MAX(dt) OVER (ORDER BY dt ROWS BETWEEN 1 FOLLOWING AND 1 FOLLOWING) +NULL +DROP TABLE t1; +# +# MDEV-13358 FIRST_VALUE throws SQL Error (1292): Incorrect datetime value +# +CREATE TABLE IF NOT EXISTS `fv_test` ( +`SOME_DATE` datetime NOT NULL +); +INSERT INTO `fv_test` (`SOME_DATE`) VALUES ('2017-07-20 12:47:56'); +CREATE TABLE fv_result +SELECT +FIRST_VALUE(SOME_DATE) OVER(ORDER BY SOME_DATE DESC) AS somedate +FROM fv_test; +SHOW CREATE TABLE fv_result; +Table Create Table +fv_result CREATE TABLE `fv_result` ( + `somedate` datetime DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +SELECT * FROM fv_result; +somedate +2017-07-20 12:47:56 +DROP TABLE fv_test, fv_result; +# +# MDEV-13649: Server crashes in set_field_to_null_with_conversions or in Field::set_notnull +# +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (0),(1),(2); +SELECT LEAD(a) OVER (PARTITION BY a ORDER BY a) as lead, +a AND LEAD(a) OVER (PARTITION BY a ORDER BY a) AS a_and_lead_part +FROM t1; +lead a_and_lead_part +NULL 0 +NULL NULL +NULL NULL +SELECT a OR LEAD(a) OVER (ORDER BY a) AS a_or_lead_order +FROM t1 +ORDER BY a; +a_or_lead_order +1 +1 +1 +SELECT a AND LEAD(a) OVER (ORDER BY a) AS a_and_lead_order +FROM t1 +ORDER BY a; +a_and_lead_order +0 +1 +NULL +SELECT a XOR LEAD(a) OVER (ORDER BY a) AS a_xor_lead_order +FROM t1 +ORDER BY a; +a_xor_lead_order +1 +0 +NULL +SELECT NOT LEAD(a) OVER (ORDER BY a) AS not_lead_order +FROM t1 +ORDER BY a; +not_lead_order +0 +0 +NULL +SELECT LEAD(a) OVER (ORDER BY a) is not null AS is_not_null_lead_order +FROM t1 +ORDER BY a; +is_not_null_lead_order +1 +1 +0 +drop table t1; +# +# MDEV-13354: Server crashes in find_field_in_tables upon PS with window function and subquery +# +CREATE TABLE t1 (i INT, a char); +INSERT INTO t1 VALUES (1, 'a'),(2, 'b'); +PREPARE stmt FROM "SELECT row_number() over (partition by i order by i), i FROM (SELECT * from t1) as sq"; +EXECUTE stmt; +row_number() over (partition by i order by i) i +1 1 +1 2 +DROP TABLE t1; +# +# MDEV-13384: "window" seems like a reserved column name but it's not listed as one +# +# Currently we allow window as an identifier, except for table aliases. +# +CREATE TABLE door (id INT, window VARCHAR(10)); +SELECT id +FROM door as window; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'window' at line 2 +SELECT id, window +FROM door; +id window +SELECT id, window +FROM door as window; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'window' at line 2 +DROP TABLE door; +# +# MDEV-13352: Server crashes in st_join_table::remove_duplicates +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +SELECT DISTINCT ROW_NUMBER() OVER(), i FROM t1 WHERE 0; +ROW_NUMBER() OVER() i +SELECT ROW_NUMBER() OVER(), i FROM t1 WHERE 0; +ROW_NUMBER() OVER() i +DROP TABLE t1; +# +# MDEV-15853: Assertion `tab->filesort_result == 0' failed +# +CREATE TABLE t1 ( a1 int); +insert into t1 values (1),(2),(3); +CREATE TABLE t2 (b1 int, a1 int, a2 int); +insert into t2 values (1,2,3),(2,3,4),(3,4,5); +SELECT COUNT(DISTINCT t2.a2), +rank() OVER (ORDER BY t2.b1) +FROM t2 ,t1 GROUP BY t2.b1 ORDER BY t1.a1; +COUNT(DISTINCT t2.a2) rank() OVER (ORDER BY t2.b1) +1 1 +1 2 +1 3 +DROP TABLE t1,t2; +# +# MDEV-16990: server crashes in base_list_iterator::next +# +CREATE TABLE t1(i int); +insert into t1 values (1),(2); +SELECT DISTINCT row_number() OVER (), MAX(1) FROM t1; +row_number() OVER () MAX(1) +1 1 +SELECT DISTINCT BIT_AND(0) OVER (), MAX(1) FROM t1; +BIT_AND(0) OVER () MAX(1) +0 1 +drop table t1; +# +# MDEV-17525: Window functions not working in ONLY_FULL_GROUP_BY mode +# +CREATE TABLE t1 (name CHAR(10), test CHAR(10), score TINYINT); +INSERT INTO t1 VALUES +('Chun', 'SQL', 75), ('Chun', 'Tuning', 73), +('Esben', 'SQL', 43), ('Esben', 'Tuning', 31), +('Kaolin', 'SQL', 56), ('Kaolin', 'Tuning', 88), +('Tatiana', 'SQL', 87), ('Tatiana', 'Tuning', 83); +SET @save_sql_mode= @@sql_mode; +SET sql_mode = 'ONLY_FULL_GROUP_BY'; +SELECT name, test, score, +AVG(score) OVER (PARTITION BY test) AS average_by_test +FROM t1 +ORDER BY test, name; +name test score average_by_test +Chun SQL 75 65.2500 +Esben SQL 43 65.2500 +Kaolin SQL 56 65.2500 +Tatiana SQL 87 65.2500 +Chun Tuning 73 68.7500 +Esben Tuning 31 68.7500 +Kaolin Tuning 88 68.7500 +Tatiana Tuning 83 68.7500 +set @@sql_mode= @save_sql_mode; +SELECT name, test, score, +AVG(score) OVER (PARTITION BY test) AS average_by_test +FROM t1 +ORDER BY test, name; +name test score average_by_test +Chun SQL 75 65.2500 +Esben SQL 43 65.2500 +Kaolin SQL 56 65.2500 +Tatiana SQL 87 65.2500 +Chun Tuning 73 68.7500 +Esben Tuning 31 68.7500 +Kaolin Tuning 88 68.7500 +Tatiana Tuning 83 68.7500 +drop table t1; +# +# MDEV-12575: Server crash in AGGR_OP::put_record or in JOIN_CACHE::free +# or Invalid write in JOIN::make_aggr_tables_info +# +SELECT DISTINCT BIT_OR(100) OVER () FROM dual +GROUP BY LEFT('2018-08-24', 100) order by 1+2; +BIT_OR(100) OVER () +100 +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +SELECT * FROM ( +SELECT +ROW_NUMBER() OVER(), i, sum(i) +FROM t1 +WHERE 1=0 +limit 0 +) AS sq; +ROW_NUMBER() OVER() i sum(i) +SELECT * FROM ( +SELECT +ROW_NUMBER() OVER(), i, sum(i) +FROM t1 +WHERE 1=0 +GROUP BY i +) AS sq; +ROW_NUMBER() OVER() i sum(i) +drop table t1; +create table t1 (a int); +explain +select distinct 1, row_number() over (order by 1) from t1 where a=0 group by a with rollup; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +select distinct 1, row_number() over (order by 1) from t1 where a=0 group by a with rollup; +1 row_number() over (order by 1) +drop table t1; +explain +SELECT DISTINCT BIT_OR(100) OVER () FROM dual +GROUP BY LEFT('2018-08-24', 100) WITH ROLLUP +HAVING @A := 'qwerty'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING +SELECT DISTINCT BIT_OR(100) OVER () FROM dual +GROUP BY LEFT('2018-08-24', 100) WITH ROLLUP +HAVING @A := 'qwerty'; +BIT_OR(100) OVER () +explain +SELECT DISTINCT BIT_OR(100) OVER () FROM dual +GROUP BY LEFT('2018-08-24', 100) +HAVING @A := 'qwerty'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING +SELECT DISTINCT BIT_OR(100) OVER () FROM dual +GROUP BY LEFT('2018-08-24', 100) +HAVING @A := 'qwerty'; +BIT_OR(100) OVER () +create table t1 (a int); +explain +SELECT DISTINCT BIT_OR(100) OVER () FROM t1 +GROUP BY LEFT('2018-08-24', 100) having 1=1 limit 0; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Zero limit +drop table t1; +# +# MDEV-13170: Database service (MySQL) stops after update with trigger +# +CREATE TABLE t1 ( t1_id int, point_id int, ml_id int, UNIQUE KEY t1_ml_u (ml_id,point_id)) ; +INSERT INTO t1 VALUES (1,1,8884),(2,1,8885); +CREATE TABLE t2 ( db_time datetime, au_nr int, col_id int, new_val int); +CREATE TABLE t3 (id1 int, id2 int, d1 int); +CREATE TRIGGER t1_aurtrg AFTER UPDATE ON t1 FOR EACH ROW begin +CREATE OR REPLACE TEMPORARY TABLE trg_u AS +WITH l AS +(SELECT a.*, +Max(t2.col_id) over (PARTITION BY a.d1), +Max(t2.new_val) over (PARTITION BY a.d1) +FROM +(SELECT d1 , id1, id2 FROM t3) a +JOIN t2 ON (a.d1=t2.db_time AND a.id1=t2.au_nr)) +SELECT 1; +END;// +update t1 set ml_id=8884 where point_id=1; +ERROR 23000: Duplicate entry '8884-1' for key 't1_ml_u' +update t1 set ml_id=8884 where point_id=1; +ERROR 23000: Duplicate entry '8884-1' for key 't1_ml_u' +drop table t1, t2,t3; +CREATE TABLE t1 (i INT, a char); +INSERT INTO t1 VALUES (1, 'a'),(2, 'b'); +create view v1 as select * from t1; +PREPARE stmt FROM "SELECT i, row_number() over (partition by i order by i) FROM v1"; +execute stmt; +i row_number() over (partition by i order by i) +1 1 +2 1 +deallocate prepare stmt; +drop table t1; +drop view v1; +# +# MDEV-17676: Assertion `inited==NONE || (inited==RND && scan)' failed in handler::ha_rnd_init +# +CREATE TABLE t1 (b1 text NOT NULL); +INSERT INTO t1 VALUES ('2'),('1'); +EXPLAIN +SELECT DISTINCT MIN(b1) OVER () FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT DISTINCT MIN(b1) OVER () FROM t1; +MIN(b1) OVER () +1 +drop table t1; +# +# MDEV-15424: Unreasonal SQL Error (1356) on select from view +# +create table t1 (id int, n1 int); +insert into t1 values (1,1), (2,1), (3,2), (4,4); +create view v1 as SELECT ifnull(max(n1) over (partition by n1),'aaa') FROM t1; +explain select * from v1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 +2 DERIVED t1 ALL NULL NULL NULL NULL 4 Using temporary +select * from v1; +ifnull(max(n1) over (partition by n1),'aaa') +1 +1 +2 +4 +drop table t1; +drop view v1; +# +# MDEV-18431: Select max + row_number giving incorrect result +# +create table t1 (id int, v int); +insert into t1 values (1, 1), (1,2), (1,3), (2, 1), (2, 2); +select e.id, +(select max(t1.v) from t1 where t1.id=e.id) as a, +row_number() over (partition by e.id order by e.v) as b, +(select max(t1.v) from t1 where t1.id=e.id) + (row_number() over (partition by e.id order by e.v)) as sum_a_b +from t1 e; +id a b sum_a_b +1 3 1 4 +1 3 2 5 +1 3 3 6 +2 2 1 3 +2 2 2 4 +drop table t1; +# +# MDEV-15837: Assertion `item1->type() == Item::FIELD_ITEM && item2->type() == Item::FIELD_ITEM' +# failed in compare_order_elements function +# +CREATE TABLE t1 (a1 int); +insert into t1 values (1),(2),(3); +SELECT rank() OVER (ORDER BY 1), ROW_NUMBER() OVER (ORDER BY (EXPORT_SET(5,'Y','N',',',4))) FROM t1; +rank() OVER (ORDER BY 1) ROW_NUMBER() OVER (ORDER BY (EXPORT_SET(5,'Y','N',',',4))) +1 1 +1 2 +1 3 +drop table t1; +# +# MDEV-17781: Server crashes in next_linear_tab +# +CREATE TABLE t1 (i1 int); +explain +(SELECT AVG(0) OVER (), MAX('2') FROM t1) +UNION ALL +(SELECT AVG(0) OVER (), MAX('2') FROM t1); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +(SELECT AVG(0) OVER (), MAX('2') FROM t1) +UNION ALL +(SELECT AVG(0) OVER (), MAX('2') FROM t1); +AVG(0) OVER () MAX('2') +0.0000 NULL +0.0000 NULL +drop table t1; +# +# MDEV-14791: Crash with order by expression containing window functions +# +CREATE TABLE t1 (b1 int, b2 int); +INSERT INTO t1 VALUES (1,1),(0,0); +explain +SELECT b1 from t1 order by row_number() over (ORDER BY b2) + 1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +SELECT b1 from t1 order by row_number() over (ORDER BY b2) + 1; +b1 +0 +1 +explain +SELECT b1 from t1 order by row_number() over (ORDER BY b2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +SELECT b1 from t1 order by row_number() over (ORDER BY b2); +b1 +0 +1 +DROP TABLE t1; +CREATE TABLE t1 (a int, b int, c int); +INSERT INTO t1 VALUES (2,3,207), (1,21,909), (7,13,312), (8,64,248); +explain +SELECT * FROM t1 ORDER BY max(t1.a) over (partition by c); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort +SELECT * FROM t1 ORDER BY max(t1.a) over (partition by c); +a b c +1 21 909 +2 3 207 +7 13 312 +8 64 248 +explain +SELECT max(t1.a) over (partition by c) as x, b, c from t1 order by max(t1.a) over (partition by c); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort +SELECT max(t1.a) over (partition by c) as x, b, c from t1 order by max(t1.a) over (partition by c); +x b c +1 21 909 +2 3 207 +7 13 312 +8 64 248 +drop table t1; +# +# MDEV-18373: DENSE_RANK is not calculated correctly +# +create table t1 (a int, b int); +insert into t1 values (60, 1515),(60, 2000),(70, 2000),(55, 1600); +select b, dense_rank() over (order by sum(a)) from t1 group by b; +b dense_rank() over (order by sum(a)) +1515 2 +1600 1 +2000 3 +select b, dense_rank() over (order by sum(a)+1) from t1 group by b; +b dense_rank() over (order by sum(a)+1) +1515 2 +1600 1 +2000 3 +select b, row_number() over (partition by sum(a)) from t1 group by b; +b row_number() over (partition by sum(a)) +1515 1 +1600 1 +2000 1 +select b, row_number() over (partition by sum(a)+1) from t1 group by b; +b row_number() over (partition by sum(a)+1) +1515 1 +1600 1 +2000 1 +drop table t1; +# +# MDEV-18015: Assertion `global_status_var.global_memory_used == 0' failed when using UDF, +# window functions and views +# +create table t1 (id int, n1 int); +insert into t1 values (1,1),(2,1),(3,2),(4,4); +explain +select max(n1) over (partition by 'abc') from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary +select max(n1) over (partition by 'abc') from t1; +max(n1) over (partition by 'abc') +4 +4 +4 +4 +explain +select rank() over (partition by 'abc' order by 'xyz') from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary +select rank() over (partition by 'abc' order by 'xyz') from t1; +rank() over (partition by 'abc' order by 'xyz') +1 +1 +1 +1 +drop table t1; +# +# MDEV-19380: ASAN heap-use-after-free in Protocol::net_store_data +# +CREATE TABLE t1 (i int); +INSERT INTO t1 VALUES (1),(2),(3); +SELECT (SELECT MIN('foo') OVER() FROM t1 LIMIT 1) as x; +x +foo +drop table t1; +# +# MDEV-16579: Wrong result of query using DISTINCT COUNT(*) OVER (*) +# +CREATE TABLE t1 (i int) ; +INSERT INTO t1 VALUES (1),(0),(1),(2),(0),(1),(2),(1),(2); +SELECT DISTINCT COUNT(*) OVER (), MOD(MIN(i),2) FROM t1 GROUP BY i ; +COUNT(*) OVER () MOD(MIN(i),2) +3 0 +3 1 +drop table t1; +# +# MDEV-21318: Wrong results with window functions and implicit grouping +# +CREATE TABLE t1 (a INT); +# +# With empty const table +# The expected result here is 1, NULL +# +explain +SELECT row_number() over(), sum(1) FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 system NULL NULL NULL NULL 0 Const row not found; Using temporary +SELECT row_number() over(), sum(1) FROM t1; +row_number() over() sum(1) +1 NULL +insert into t1 values (2); +# +# Const table has 1 row, but still impossible where +# The expected result here is 1, NULL +# +EXPLAIN SELECT row_number() over(), sum(1) FROM t1 where a=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +SELECT row_number() over(), sum(1) FROM t1 where a=1; +row_number() over() sum(1) +1 NULL +# +# Impossible HAVING +# Empty result is expected +# +EXPLAIN SELECT row_number() over(), sum(1) FROM t1 where a=1 having 1=0; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible HAVING +SELECT row_number() over(), sum(1) FROM t1 where a=1 having 1=0; +row_number() over() sum(1) +# +# const table has 1 row, no impossible where +# The expected result here is 1, 2 +# +EXPLAIN SELECT row_number() over(), sum(a) FROM t1 where a=2; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 system NULL NULL NULL NULL 1 Using temporary +SELECT row_number() over(), sum(a) FROM t1 where a=2; +row_number() over() sum(a) +1 2 +drop table t1; +# +# Impossible Where +# +create table t1(a int); +insert into t1 values (1); +# +# Expected result is NULL, 0, NULL +# +EXPLAIN SELECT MAX(a) OVER (), COUNT(a), abs(a) FROM t1 WHERE FALSE; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE +SELECT MAX(a) OVER (), COUNT(a), abs(a) FROM t1 WHERE FALSE; +MAX(a) OVER () COUNT(a) abs(a) +NULL 0 NULL +# +# Expected result is 1, 0, NULL +# +EXPLAIN +SELECT MAX(1) OVER (), COUNT(a), abs(a) FROM t1 WHERE FALSE; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE +SELECT MAX(1) OVER (), COUNT(a), abs(a) FROM t1 WHERE FALSE; +MAX(1) OVER () COUNT(a) abs(a) +1 0 NULL +drop table t1; +# +# MDEV-22461: JOIN::make_aggr_tables_info(): Assertion `select_options & (1ULL << 17)' failed. +# +CREATE TEMPORARY TABLE t0 (a INT PRIMARY KEY ) ; +INSERT INTO t0 VALUES (1),(2),(3); +SELECT a FROM t0 +WHERE a < 8 +GROUP BY 1.5 +WINDOW v2 AS ( PARTITION BY a ORDER BY a DESC ); +a +1 +SELECT a, ROW_NUMBER() OVER v2 +FROM t0 +WHERE a < 8 +GROUP BY 1.5 +WINDOW v2 AS ( PARTITION BY a ORDER BY a DESC ); +a ROW_NUMBER() OVER v2 +1 1 +drop table t0; +# +# MDEV-16230:Server crashes when Analyze format=json is run with a window function with +# empty PARTITION BY and ORDER BY clauses +# +CREATE TABLE t1(a INT, b INT); +INSERT INTO t1 VALUES (1,1),(2,2),(3,3); +ANALYZE FORMAT=JSON SELECT row_number() OVER() FROM t1; +ANALYZE +{ + "query_block": { + "select_id": 1, + "r_loops": 1, + "r_total_time_ms": "REPLACED", + "window_functions_computation": { + "sorts": { + "filesort": { + "sort_key": "`row_number() OVER()`", + "r_loops": 1, + "r_total_time_ms": "REPLACED", + "r_used_priority_queue": false, + "r_output_rows": 3, + "r_buffer_size": "REPLACED" + } + }, + "temporary_table": { + "table": { + "table_name": "t1", + "access_type": "ALL", + "r_loops": 1, + "rows": 3, + "r_rows": 3, + "r_total_time_ms": "REPLACED", + "filtered": 100, + "r_filtered": 100 + } + } + } + } +} +SELECT row_number() OVER() FROM t1; +row_number() OVER() +1 +2 +3 +DROP TABLE t1; +# +# MDEV-22984: Throw an error when arguments to window functions are window functions +# +CREATE TABLE t1(a INT, b INT); +INSERT INTO t1 VALUES (1,1), (2,2), (3,3); +SELECT NTILE(MAX(a) OVER (PARTITION BY a)) OVER (PARTITION BY a ORDER BY b) FROM t1; +ERROR HY000: Window functions can not be used as arguments to group functions. +SELECT FIRST_VALUE(MAX(a) OVER (PARTITION BY a)) OVER (ORDER BY a) AS x FROM t1 GROUP BY a; +ERROR HY000: Window functions can not be used as arguments to group functions. +DROP TABLE t1; +# +# MDEV-12059: Assertion `precision > 0' failed with a window function or window aggregate function +# +CREATE TABLE t1 (d DECIMAL(1,0) UNSIGNED); +INSERT INTO t1 VALUES (1),(2); +SELECT MIN(d) OVER () FROM t1; +MIN(d) OVER () +1 +1 +DROP TABLE t1; +# +# MDEV-22463: Element_type &Bounds_checked_array<Item *>::operator[](size_t) [Element_type = Item *]: +# Assertion `n < m_size' failed +# +CREATE TABLE t1 (a INT, b INT, c INT, d INT, e INT, f INT, g int, h INT, i INT); +INSERT INTO t1 SELECT seq,seq,seq,seq, seq,seq,seq,seq,seq FROM seq_1_to_5; +SELECT ROW_NUMBER() OVER w2 FROM t1 WINDOW w2 AS (PARTITION BY -1,0,1,2,3,4,5,6); +ROW_NUMBER() OVER w2 +1 +2 +3 +4 +5 +SELECT a FROM t1 ORDER BY ROW_NUMBER() OVER (PARTITION BY -1,1,0,2,3,4,5,6,7,8); +a +1 +2 +3 +4 +5 +SELECT a,b FROM t1 WINDOW w2 AS (PARTITION BY -1,1,0,2,3,4); +a b +1 1 +2 2 +3 3 +4 4 +5 5 +SELECT ROW_NUMBER() OVER w2 FROM t1 WINDOW w2 AS (PARTITION BY -1,0,1,2,3,4,5,6); +ROW_NUMBER() OVER w2 +1 +2 +3 +4 +5 +DROP TABLE t1; +# +# MDEV-18916: crash in Window_spec::print_partition() with decimals +# +SELECT cast((rank() over w1) as decimal (53,56)); +ERROR 42000: Too big scale 56 specified for 'rank() over w1'. Maximum is 38 +SELECT cast((rank() over w1) as decimal (53,30)); +ERROR HY000: Window specification with name 'w1' is not defined +# +# MDEV-15180: server crashed with NTH_VALUE() +# +CREATE TABLE t1 (i1 int, a int); +INSERT INTO t1 VALUES (1, 1), (2, 2),(3, 3); +CREATE TABLE t2 (i2 int); +INSERT INTO t2 VALUES (1),(2),(5),(1),(7),(4),(3); +CREATE VIEW v1 AS (SELECT * FROM t1,t2 WHERE t1.i1=t2.i2) ; +SELECT NTH_VALUE(i1, i1) OVER (PARTITION BY i1) FROM v1; +NTH_VALUE(i1, i1) OVER (PARTITION BY i1) +1 +1 +NULL +NULL +DROP VIEW v1; +DROP TABLE t1,t2; +# +# End of 10.2 tests +# +# +# MDEV-16489 when lead() returns null on a datetime field, the result is treated as the literal string '[NULL]' +# +CREATE TABLE t1 (d datetime); +INSERT INTO t1 VALUES ('2018-01-01 00:00:00'),('2018-02-01 00:00:00'); +SELECT *, LEAD(d) OVER (ORDER BY d) AS x FROM t1; +d x +2018-01-01 00:00:00 2018-02-01 00:00:00 +2018-02-01 00:00:00 NULL +DROP TABLE t1; +CREATE TABLE t1 (d time); +INSERT INTO t1 VALUES ('00:00:01'),('00:00:02'); +SELECT *, LEAD(d) OVER (ORDER BY d) AS x FROM t1; +d x +00:00:01 00:00:02 +00:00:02 NULL +DROP TABLE t1; +# +# MDEV-20351 Window function BIT_OR() OVER (..) return a wrong data type +# +CREATE TABLE t1 (pk INT, a INT, b BIGINT UNSIGNED); +INSERT INTO t1 VALUES (1, 0, 1), (2, 0, 18446744073709551615); +CREATE TABLE t2 AS +SELECT pk, a, bit_or(b) AS bit_or FROM t1 GROUP BY pk; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `pk` int(11) DEFAULT NULL, + `a` int(11) DEFAULT NULL, + `bit_or` bigint(21) unsigned NOT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +SELECT * FROM t1; +pk a b +1 0 1 +2 0 18446744073709551615 +DROP TABLE t2; +CREATE OR REPLACE TABLE t2 AS +SELECT pk, a, BIT_OR(b) OVER (PARTITION BY a ORDER BY pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) AS bit_or +FROM t1; +SHOW CREATE TABLE t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `pk` int(11) DEFAULT NULL, + `a` int(11) DEFAULT NULL, + `bit_or` bigint(21) unsigned NOT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +SELECT * FROM t2; +pk a bit_or +1 0 18446744073709551615 +2 0 18446744073709551615 +DROP TABLE t2; +DROP TABLE t1; +# +# End of 10.3 tests +# |