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# name: test/sql/parallelism/interquery/concurrent_checkpoint_wal.test
# description: Test concurrent appends to persistent while checkpointing
# group: [interquery]
statement ok
SET checkpoint_threshold='1TB'
statement ok
PRAGMA disable_checkpoint_on_shutdown
foreach sleep_time 0 25 50 75 100
statement ok
SET debug_checkpoint_sleep_ms=${sleep_time}
statement ok
ATTACH '__TEST_DIR__/concurrent_checkpoint_wal${sleep_time}.db' AS concurrent_checkpoint_wal
statement ok
CREATE TABLE concurrent_checkpoint_wal.integers(i INTEGER)
concurrentloop threadid 0 20
loop x 0 10
onlyif threadid<>10
statement ok
INSERT INTO concurrent_checkpoint_wal.integers SELECT * FROM range(${threadid} * 100, (${threadid} + 1) * 100);
onlyif threadid<>10
query I
SELECT CASE WHEN MAX(i) <= ANY_VALUE(regexp_extract(s, 'Max: (\d+)', 1)::INT) THEN NULL ELSE CONCAT('Stats ', ANY_VALUE(s), ' but got value ', MAX(i)) END
FROM (SELECT stats(i) s, i FROM concurrent_checkpoint_wal.integers)
----
NULL
endloop
onlyif threadid=10
statement ok
CHECKPOINT concurrent_checkpoint_wal
endloop
query II
SELECT COUNT(*), SUM(i) FROM concurrent_checkpoint_wal.integers
----
19000 18940500
statement ok
DETACH concurrent_checkpoint_wal
statement ok
ATTACH '__TEST_DIR__/concurrent_checkpoint_wal${sleep_time}.db' AS concurrent_checkpoint_wal
query II
SELECT COUNT(*), SUM(i) FROM concurrent_checkpoint_wal.integers
----
19000 18940500
statement ok
DETACH concurrent_checkpoint_wal
endloop
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