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# name: test/sql/insert/insert_from_many_groups.test_slow
# description: Test parallel insert from many groups
# group: [insert]
statement ok
CREATE TABLE integers AS SELECT * FROM range(1000000) tbl(i);
statement ok
CREATE TABLE integers2 AS SELECT * FROM integers GROUP BY i
query III
SELECT SUM(i), COUNT(*), COUNT(i) FROM integers
----
499999500000 1000000 1000000
query III
SELECT SUM(i), COUNT(*), COUNT(i) FROM integers2
----
499999500000 1000000 1000000
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 FROM range(1000000) tbl(i);
statement ok
CREATE TABLE integers2 AS SELECT * FROM integers GROUP BY i
query III
SELECT SUM(i), COUNT(*), COUNT(i) FROM integers
----
250000000000 1000000 500000
query III
SELECT SUM(i), COUNT(*), COUNT(i) FROM integers2
----
250000000000 500001 500000
# varchars
statement ok
CREATE TABLE varchars AS SELECT case when i%2=0 then null else concat('thisismyvarchar-', i//4) end AS v FROM range(1000000) tbl(i);
statement ok
CREATE TABLE varchars2 AS SELECT * FROM varchars GROUP BY v
query IIIII
SELECT MIN(v), MAX(v), COUNT(*), COUNT(v), COUNT(DISTINCT v) FROM varchars
----
thisismyvarchar-0 thisismyvarchar-99999 1000000 500000 250000
query IIIII
SELECT MIN(v), MAX(v), COUNT(*), COUNT(v), COUNT(DISTINCT v) FROM varchars2
----
thisismyvarchar-0 thisismyvarchar-99999 250001 250000 250000
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