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!6686 cume_dist/rank/percent_rank/dense_rank函数返回结果不符合预期

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Merge pull request !6686 from TinyBag/window
This commit is contained in:
opengauss_bot
2024-11-25 03:22:05 +00:00
committed by Gitee
parent 5d6de5a235 d48d28409a
commit 3e62019509
3 changed files with 348 additions and 16 deletions
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16
src/common/backend/parser/parse_func.cpp
View File

@ -1964,11 +1964,19 @@ static void unify_hypothetical_args(ParseState *pstate,
* Select common type, giving preference to the aggregated argument's
* type (we'd rather coerce the direct argument once than coerce all
* the aggregated values).
*
* In A compatibility, we always coerce the direct argument to the type
* of the aggregated values. So that even if they are not in the same
* type category, we can still do the coercing.
*/
commontype = select_common_type(pstate,
list_make2(args[aargpos], args[i]),
"WITHIN GROUP",
NULL);
if (DB_IS_CMPT(A_FORMAT)) {
commontype = getBaseType(exprType(args[aargpos]));
} else {
commontype = select_common_type(pstate,
list_make2(args[aargpos], args[i]),
"WITHIN GROUP",
NULL);
}
/*
* Perform the coercions. We don't need to worry about NamedArgExprs

293
src/test/regress/expected/aggregates_hypothetical.out
View File

@ -21,6 +21,12 @@ select cume_dist(3,0.2) within group (order by c1,c2) from test_aggregate;
.357142857142857
(1 row)
select cume_dist(3,.05) within group (order by c1,c3) from test_aggregate;
cume_dist
------------------
.214285714285714
(1 row)
--percent_rank
select percent_rank(3,0.2) within group (order by c1,c2) from test_aggregate;
percent_rank
@ -28,6 +34,12 @@ select percent_rank(3,0.2) within group (order by c1,c2) from test_aggregate;
.230769230769231
(1 row)
select percent_rank(3,.05) within group (order by c1,c3) from test_aggregate;
percent_rank
------------------
.153846153846154
(1 row)
--dense_rank
select dense_rank(4,0.2) within group (order by c1,c2) from test_aggregate;
dense_rank
@ -35,6 +47,12 @@ select dense_rank(4,0.2) within group (order by c1,c2) from test_aggregate;
6
(1 row)
select dense_rank(3,.05) within group (order by c1,c3) from test_aggregate;
dense_rank
------------
3
(1 row)
--rank
select rank(4,0.2) within group (order by c1,c2) from test_aggregate;
rank
@ -42,6 +60,12 @@ select rank(4,0.2) within group (order by c1,c2) from test_aggregate;
7
(1 row)
select rank(3,.05) within group (order by c1,c3) from test_aggregate;
rank
------
3
(1 row)
-- divide by zero check
select percent_rank(0) within group (order by x) from generate_series(1,0) x;
percent_rank
@ -69,12 +93,12 @@ LINE 1: select rank(x) within group (order by x) from generate_serie...
^
DETAIL: Direct arguments of an ordered-set aggregate must use only grouped columns.
-- enable_aggr_coerce_type = off, type conversion test
--error
select cume_dist(3) within group (order by c3) from test_aggregate;
ERROR: WITHIN GROUP types character varying and integer cannot be matched
LINE 1: select cume_dist(3) within group (order by c3) from test_agg...
^
CONTEXT: referenced column: cume_dist
cume_dist
------------------
.571428571428571
(1 row)
--error
select cume_dist('a') within group (order by c1) from test_aggregate;
ERROR: invalid input syntax for integer: "a"
@ -101,12 +125,12 @@ select cume_dist('1') within group (order by c1) from test_aggregate;
.142857142857143
(1 row)
--error boolean
select rank(1) within group (order by x) from (values (true),(false)) v(x);
ERROR: WITHIN GROUP types boolean and integer cannot be matched
LINE 1: select rank(1) within group (order by x) from (values (true)...
^
CONTEXT: referenced column: rank
rank
------
2
(1 row)
-- enable_aggr_coerce_type = on, type conversion test
set enable_aggr_coerce_type = on;
--success
@ -151,4 +175,253 @@ select rank(1) within group (order by x) from (values (true),(false)) v(x);
set enable_aggr_coerce_type = off;
drop table test_aggregate;
create table employees
(empno number,salary number,commission_pct varchar2(20));
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls first) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls last) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls first) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls last) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc, commission_pct) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
rank
------
1
(1 row)
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
rank
------
1
(1 row)
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
dense_rank
------------
1
(1 row)
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
dense_rank
------------
1
(1 row)
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
dense_rank
------------
1
(1 row)
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
dense_rank
------------
1
(1 row)
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
dense_rank
------------
1
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls first) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls last) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls first) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls last) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc, commission_pct) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
percent_rank
--------------
0
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls first) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls last) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls first) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls last) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary desc, commission_pct) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
cume_dist
-----------
1
(1 row)
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
cume_dist
-----------
1
(1 row)
drop table employees;
drop schema aggregate CASCADE;

55
src/test/regress/sql/aggregates_hypothetical.sql
View File

@ -19,15 +19,19 @@ insert into test_aggregate values(1,0.1,'1','2024-09-01 09:22:00'),
--cume_dist
select cume_dist(3,0.2) within group (order by c1,c2) from test_aggregate;
select cume_dist(3,.05) within group (order by c1,c3) from test_aggregate;
--percent_rank
select percent_rank(3,0.2) within group (order by c1,c2) from test_aggregate;
select percent_rank(3,.05) within group (order by c1,c3) from test_aggregate;
--dense_rank
select dense_rank(4,0.2) within group (order by c1,c2) from test_aggregate;
select dense_rank(3,.05) within group (order by c1,c3) from test_aggregate;
--rank
select rank(4,0.2) within group (order by c1,c2) from test_aggregate;
select rank(3,.05) within group (order by c1,c3) from test_aggregate;
-- divide by zero check
select percent_rank(0) within group (order by x) from generate_series(1,0) x;
@ -42,7 +46,6 @@ select rank(x) within group (order by x) from generate_series(1,5) x;
-- enable_aggr_coerce_type = off, type conversion test
--error
select cume_dist(3) within group (order by c3) from test_aggregate;
--error
@ -57,7 +60,6 @@ select cume_dist('2024-12-12') within group (order by c4) from test_aggregate;
--success
select cume_dist('1') within group (order by c1) from test_aggregate;
--error boolean
select rank(1) within group (order by x) from (values (true),(false)) v(x);
-- enable_aggr_coerce_type = on, type conversion test
@ -84,4 +86,53 @@ select rank(1) within group (order by x) from (values (true),(false)) v(x);
set enable_aggr_coerce_type = off;
drop table test_aggregate;
create table employees
(empno number,salary number,commission_pct varchar2(20));
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls first) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls last) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls first) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls last) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc, commission_pct) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
SELECT RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
SELECT dense_rank(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls first) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls last) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls first) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls last) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc, commission_pct) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
SELECT PERCENT_RANK(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls first) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct desc nulls last) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls first) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary, commission_pct asc nulls last) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary desc, commission_pct) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls first, commission_pct) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary desc nulls last, commission_pct) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary asc, commission_pct) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls first, commission_pct) FROM employees;
SELECT CUME_DIST(15500, .05) WITHIN GROUP (ORDER BY salary asc nulls last, commission_pct) FROM employees;
drop table employees;
drop schema aggregate CASCADE;