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Diffstat (limited to 'mysql-test/r/win.result')
| -rw-r--r-- | mysql-test/r/win.result | 1961 |
1 files changed, 1961 insertions, 0 deletions
diff --git a/mysql-test/r/win.result b/mysql-test/r/win.result new file mode 100644 index 00000000000..a6b43788ffe --- /dev/null +++ b/mysql-test/r/win.result @@ -0,0 +1,1961 @@ +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 10 zz 3 +2 20 yy 2 +3 10 xxx 2 +3 20 vvv 1 +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; +pk a b row_number() over (order by a) row_number() over (order by b) +1 10 22 1 5 +2 11 21 2 4 +3 12 20 3 3 +4 13 19 4 2 +5 14 18 5 1 +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 +2 0 1 +3 1 3 +4 1 3 +8 2 5 +5 2 5 +6 2 5 +7 2 5 +9 4 9 +10 4 9 +select pk, a, rank() over (order by a desc) from t2; +pk a rank() over (order by a desc) +1 0 9 +2 0 9 +3 1 7 +4 1 7 +8 2 3 +5 2 3 +6 2 3 +7 2 3 +9 4 1 +10 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 +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; +# +# 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 +pk, +val, +count(val) over (order by val +range between current row and +current row) +as CNT +from t3; +pk val CNT +0 1 3 +1 1 3 +2 1 3 +3 2 4 +4 2 4 +5 2 4 +6 2 4 +insert into t3 values +(7, 3), +(8, 3); +select +pk, +val, +count(val) over (order by val +range between current row and +current row) +as CNT +from t3; +pk val CNT +0 1 3 +1 1 3 +2 1 3 +3 2 4 +4 2 4 +5 2 4 +6 2 4 +7 3 2 +8 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, +pk, +val, +count(val) over (partition by part_id +order by val +range between current row and +current row) +as CNT +from t4; +part_id pk val CNT +1234 100 1 3 +1234 101 1 3 +1234 102 1 3 +1234 103 2 4 +1234 104 2 4 +1234 105 2 4 +1234 106 2 4 +1234 107 3 2 +1234 108 3 2 +5678 200 1 3 +5678 201 1 3 +5678 202 1 3 +5678 203 2 4 +5678 204 2 4 +5678 205 2 4 +5678 206 2 4 +5678 207 3 2 +5678 208 3 2 +# +# Try RANGE UNBOUNDED PRECEDING | FOLLOWING +# +select +part_id, +pk, +val, +count(val) over (partition by part_id +order by val +range between unbounded preceding and +current row) +as CNT +from t4; +part_id pk val CNT +1234 100 1 3 +1234 101 1 3 +1234 102 1 3 +1234 103 2 7 +1234 104 2 7 +1234 105 2 7 +1234 106 2 7 +1234 107 3 9 +1234 108 3 9 +5678 200 1 3 +5678 201 1 3 +5678 202 1 3 +5678 203 2 7 +5678 204 2 7 +5678 205 2 7 +5678 206 2 7 +5678 207 3 9 +5678 208 3 9 +select +part_id, +pk, +val, +count(val) over (partition by part_id +order by val +range between current row and +unbounded following) +as CNT +from t4; +part_id pk val CNT +1234 100 1 9 +1234 101 1 9 +1234 102 1 9 +1234 103 2 6 +1234 104 2 6 +1234 105 2 6 +1234 106 2 6 +1234 107 3 2 +1234 108 3 2 +5678 200 1 9 +5678 201 1 9 +5678 202 1 9 +5678 203 2 6 +5678 204 2 6 +5678 205 2 6 +5678 206 2 6 +5678 207 3 2 +5678 208 3 2 +select +part_id, +pk, +val, +count(val) over (partition by part_id +order by val +range between unbounded preceding and +unbounded following) +as CNT +from t4; +part_id pk val CNT +1234 100 1 9 +1234 101 1 9 +1234 102 1 9 +1234 103 2 9 +1234 104 2 9 +1234 105 2 9 +1234 106 2 9 +1234 107 3 9 +1234 108 3 9 +5678 200 1 9 +5678 201 1 9 +5678 202 1 9 +5678 203 2 9 +5678 204 2 9 +5678 205 2 9 +5678 206 2 9 +5678 207 3 9 +5678 208 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 +1 1 9 +2 2 9 +3 4 9 +4 8 9 +5 26 5 +6 27 5 +7 40 3 +8 71 2 +9 72 2 +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 +1 1 5 +2 2 5 +3 4 5 +4 8 5 +5 26 3 +6 27 3 +7 40 2 +8 71 0 +9 72 0 +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 +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 +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 +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 +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; +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, +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": "X", + "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 +rank() over (order by a) - +rank() over (order by b) +from +t1; +rank() over (order by a) - +rank() over (order by b) +0 +0 +0 +drop table t1; +# +# MDEV-9894: Assertion `0' failed in Window_func_runner::setup +# return ER_NOT_SUPPORTED_YET for aggregates that are not yet supported +# as window functions. +# +create table t1 (i int); +insert into t1 values (1),(2); +SELECT MAX(i) OVER (PARTITION BY (i)) FROM t1; +ERROR 42000: This version of MariaDB doesn't yet support 'This aggregate as window function' +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 a 3 0.8333333333 +NULL NULL 1 0.1666666667 +3 NULL 5 0.5000000000 +4 a 6 0.3333333333 +2 b 4 0.6666666667 +-1 2 1.0000000000 +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; |