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# name: test/sql/insert/insert_from_many_grouping_sets.test
# description: Test parallel insert from many groups
# group: [insert]
statement ok
CREATE TABLE integers AS SELECT i, i%2 as j FROM generate_series(0,999999,1) tbl(i);
statement ok
CREATE TABLE integers2 AS SELECT * FROM integers GROUP BY GROUPING SETS ((), (i), (i, j), (j));
query IIIII
SELECT SUM(i), SUM(j), COUNT(*), COUNT(i), COUNT(j) FROM integers;
----
499999500000 500000 1000000 1000000 1000000
query IIIII
SELECT SUM(i), SUM(j), COUNT(*), COUNT(i), COUNT(j) FROM integers2;
----
999999000000 500001 2000003 2000000 1000002
statement ok
DROP TABLE integers;
statement ok
DROP TABLE integers2;
# now with null values
statement ok
CREATE TABLE integers AS SELECT case when i%2=0 then null else i end AS i, i%2 as j FROM generate_series(0,999999,1) tbl(i);
statement ok
CREATE TABLE integers2 AS SELECT * FROM integers GROUP BY GROUPING SETS ((), (i), (i, j), (j));
query IIIII
SELECT SUM(i), SUM(j), COUNT(*), COUNT(i), COUNT(j) FROM integers
----
250000000000 500000 1000000 500000 1000000
query IIIII
SELECT SUM(i), SUM(j), COUNT(*), COUNT(i), COUNT(j) FROM integers2
----
500000000000 500001 1000005 1000000 500003
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