File: test_verify_parallelism.test

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# name: test/sql/parallelism/intraquery/test_verify_parallelism.test
# description: Test force parallelism on small-ish tables (few thousand rows)
# group: [intraquery]

statement ok
PRAGMA enable_verification

statement ok
PRAGMA threads=4

statement ok
PRAGMA verify_parallelism

statement ok
PRAGMA enable_profiling

statement ok
PRAGMA profiling_output='__TEST_DIR__/test.txt'

statement ok
PRAGMA profiling_mode = detailed

statement ok
CREATE TABLE integers AS SELECT * FROM range(0, 5000) tbl(i)

# test simple aggregates
query II
SELECT MIN(i), MAX(i) FROM integers
----
0	4999

query II
SELECT MIN(i), MAX(i) FROM integers WHERE i>2000
----
2001	4999

# test grouped aggregates
statement ok
CREATE TABLE integers2 AS SELECT i%4 i, i j FROM range(0, 5000) tbl(i)

query IIII
SELECT i, SUM(j), MIN(j), MAX(j) FROM integers2 GROUP BY i ORDER BY i
----
0	3122500	0	4996
1	3123750	1	4997
2	3125000	2	4998
3	3126250	3	4999