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[SPARK-29688][SQL] Support average for interval type values #26347

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[SPARK-29688][SQL] Support average for interval type values #26347

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[SPARK-29688][SQL] Support average for interval type values
yaooqinn Oct 31, 2019
20c094d
fix ut
yaooqinn Nov 1, 2019
f1e197b
style
yaooqinn Nov 4, 2019
3726762
rebase, mv tests to groupby.sql
yaooqinn Nov 5, 2019
2ba835d
fix interval divide example's result
yaooqinn Nov 5, 2019
998bd95
rebase
yaooqinn Nov 6, 2019
161d742
Merge branch 'master' into SPARK-29688
yaooqinn Nov 7, 2019
6ac44e4
rm useless test and regen golden file
yaooqinn Nov 7, 2019
3443c18
fix example result
yaooqinn Nov 8, 2019
2e06305
address comments
yaooqinn Nov 8, 2019
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@yaooqinn
yaooqinn committed Nov 6, 2019
commit f1e197bcc83953f71fa9e217193aa040cdbe8653
7 changes: 3 additions & 4 deletions sql/core/src/test/resources/sql-tests/inputs/average.sql
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Original file line number Diff line number Diff line change
@@ -1,25 +1,24 @@
-- average with interval type

-- null
select avg(cast(v as interval)) from VALUES ('1 seconds'), ('2 seconds'), (null) t(v) where v is null;

-- empty set
select avg(cast(v as interval)) from VALUES ('1 seconds'), ('2 seconds'), (null) t(v) where 1=0;

--
-- basic interval avg
select avg(cast(v as interval)) from VALUES ('1 seconds'), ('2 seconds'), (null) t(v);
select avg(cast(v as interval)) from VALUES ('-1 seconds'), ('2 seconds'), (null) t(v);
select avg(cast(v as interval)) from VALUES ('-1 seconds'), ('-2 seconds'), (null) t(v);
select avg(cast(v as interval)) from VALUES ('-1 weeks'), ('2 seconds'), (null) t(v);

--group by
-- group by
select
i,
avg(cast(v as interval))
from VALUES (1, '-1 weeks'), (2, '2 seconds'), (3, null), (1, '5 days') t(i, v)
group by i;

--having
-- having
select
avg(cast(v as interval)) as sv
from VALUES (1, '-1 weeks'), (2, '2 seconds'), (3, null), (1, '5 days') t(i, v)
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