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# name: test/sql/parallelism/interquery/concurrent_append_index_join.test_slow
# description: Test concurrent appends during an index join
# group: [interquery]
statement ok
SET immediate_transaction_mode=true
statement ok
CREATE TABLE integers AS SELECT range AS i FROM range(1000000)
statement ok
CREATE TABLE integers_2 AS SELECT range AS i FROM range(500000)
statement ok
CREATE INDEX i_index ON integers(i)
concurrentloop threadid 0 12
loop x 0 2000
onlyif threadid>=2
statement ok
INSERT INTO integers VALUES (1)
endloop
onlyif threadid<2
statement ok
BEGIN TRANSACTION
onlyif threadid<2
statement ok
SET VARIABLE initial_count = (SELECT COUNT(*) FROM integers);
loop x 0 10
onlyif threadid<2
query I
SELECT case
when count(*)=500000+(getvariable('initial_count') - 1000000)
then null
else {'initial_count': getvariable('initial_count'), 'count': count(*)}
end
FROM integers INNER JOIN integers_2 ON (integers.i = integers_2.i)
----
NULL
endloop
onlyif threadid<2
statement ok
COMMIT
endloop
query I
SELECT COUNT(*) FROM integers INNER JOIN integers_2 ON (integers.i = integers_2.i)
----
520000
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