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aggregate(DISTINCT ...) works, per SQL spec.

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Note this forces initdb because of change of Aggref node in stored rules.
This commit is contained in:
Tom Lane
1999-12-13 01:27:21 +00:00
parent efb36d2be8
commit a8ae19ec3d
16 changed files with 771 additions and 269 deletions
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36
src/test/regress/expected/aggregates.out
View File

@@ -76,6 +76,42 @@ cnt_1000
1000
(1 row)
QUERY: SELECT count(DISTINCT four) AS cnt_4 FROM onek;
cnt_4
-----
4
(1 row)
QUERY: select ten, count(*), sum(four) from onek group by ten;
ten|count|sum
---+-----+---
0| 100|100
1| 100|200
2| 100|100
3| 100|200
4| 100|100
5| 100|200
6| 100|100
7| 100|200
8| 100|100
9| 100|200
(10 rows)
QUERY: select ten, count(four), sum(DISTINCT four) from onek group by ten;
ten|count|sum
---+-----+---
0| 100| 2
1| 100| 4
2| 100| 2
3| 100| 4
4| 100| 2
5| 100| 4
6| 100| 2
7| 100| 4
8| 100| 2
9| 100| 4
(10 rows)
QUERY: SELECT newavg(four) AS avg_1 FROM onek;
avg_1
-----

4
src/test/regress/expected/rules.out
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@@ -1075,9 +1075,9 @@ pg_user |SELECT pg_shadow.usename, pg_shadow.usesysid, pg_shadow.usecr
pg_views |SELECT c.relname AS viewname, pg_get_userbyid(c.relowner) AS viewowner, pg_get_viewdef(c.relname) AS definition FROM pg_class c WHERE (c.relhasrules AND (EXISTS (SELECT r.rulename FROM pg_rewrite r WHERE ((r.ev_class = c.oid) AND (r.ev_type = '1'::"char")))));
rtest_v1 |SELECT rtest_t1.a, rtest_t1.b FROM rtest_t1;
rtest_vcomp |SELECT x.part, (x.size * y.factor) AS size_in_cm FROM rtest_comp x, rtest_unitfact y WHERE (x.unit = y.unit);
rtest_vview1 |SELECT x.a, x.b FROM rtest_view1 x WHERE (0 < (SELECT count(1) AS count FROM rtest_view2 y WHERE (y.a = x.a)));
rtest_vview1 |SELECT x.a, x.b FROM rtest_view1 x WHERE (0 < (SELECT count(*) AS count FROM rtest_view2 y WHERE (y.a = x.a)));
rtest_vview2 |SELECT rtest_view1.a, rtest_view1.b FROM rtest_view1 WHERE rtest_view1.v;
rtest_vview3 |SELECT x.a, x.b FROM rtest_vview2 x WHERE (0 < (SELECT count(1) AS count FROM rtest_view2 y WHERE (y.a = x.a)));
rtest_vview3 |SELECT x.a, x.b FROM rtest_vview2 x WHERE (0 < (SELECT count(*) AS count FROM rtest_view2 y WHERE (y.a = x.a)));
rtest_vview4 |SELECT x.a, x.b, count(y.a) AS refcount FROM rtest_view1 x, rtest_view2 y WHERE (x.a = y.a) GROUP BY x.a, x.b;
rtest_vview5 |SELECT rtest_view1.a, rtest_view1.b, rtest_viewfunc1(rtest_view1.a) AS refcount FROM rtest_view1;
shoe |SELECT sh.shoename, sh.sh_avail, sh.slcolor, sh.slminlen, (sh.slminlen * un.un_fact) AS slminlen_cm, sh.slmaxlen, (sh.slmaxlen * un.un_fact) AS slmaxlen_cm, sh.slunit FROM shoe_data sh, unit un WHERE (sh.slunit = un.un_name);

6
src/test/regress/sql/aggregates.sql
View File

@@ -30,6 +30,12 @@ SELECT max(student.gpa) AS max_3_7 FROM student;
SELECT count(four) AS cnt_1000 FROM onek;
SELECT count(DISTINCT four) AS cnt_4 FROM onek;
select ten, count(*), sum(four) from onek group by ten;
select ten, count(four), sum(DISTINCT four) from onek group by ten;
SELECT newavg(four) AS avg_1 FROM onek;