File: test_concurrent_sequence.test_slow

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# name: test/sql/parallelism/interquery/test_concurrent_sequence.test_slow
# description: Test concurrent usage of sequences
# group: [interquery]

statement ok
CREATE TABLE sequence_values(v BIGINT);

statement ok
CREATE SEQUENCE seq;

statement ok
CREATE SEQUENCE comparison_seq

loop seq_idx 0 2

concurrentloop threadid 0 10

statement ok
CREATE TEMPORARY TABLE temp_tbl(v BIGINT);

loop x 0 100

statement ok
INSERT INTO temp_tbl SELECT nextval('seq')

endloop

statement ok
INSERT INTO sequence_values FROM temp_tbl;

endloop

# the sequential and threaded data should be the same
query I
SELECT * FROM sequence_values EXCEPT ALL SELECT nextval('comparison_seq') FROM range(1000)

statement ok
DROP SEQUENCE seq;

statement ok
DROP SEQUENCE comparison_seq

statement ok
DELETE FROM sequence_values

# now do the same with a cyclical sequence
statement ok
CREATE SEQUENCE seq MAXVALUE 10 CYCLE;

statement ok
CREATE SEQUENCE comparison_seq MAXVALUE 10 CYCLE;

endloop