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# name: test/sql/attach/attach_replay_with_no_wal_writes.test
# description: Test the NO_WAL_WRITES recovery mode when having a WAL to replay.
# group: [attach]
require noforcestorage
require skip_reload
statement ok
SET threads = 1;
statement ok
SET wal_autocheckpoint = '1TB';
statement ok
PRAGMA disable_checkpoint_on_shutdown;
statement ok
ATTACH '__TEST_DIR__/wal_writes.db' AS wal_writes;
statement ok
CREATE TABLE wal_writes.tbl AS SELECT range AS id, 0 AS v FROM range(5_000);
statement ok
DETACH wal_writes;
# Ensure that we have a WAL.
query I
SELECT COUNT(*) FROM glob('__TEST_DIR__/wal_writes.db.wal')
----
1
# We'll still replay the WAL, but we won't write to it again after CHECKPOINT.
statement ok
ATTACH '__TEST_DIR__/wal_writes.db' AS wal_writes (RECOVERY_MODE NO_WAL_WRITES);
# Replayed the WAL, but not yet deleted (no CHECKPOINT).
query I
SELECT COUNT(*) FROM glob('__TEST_DIR__/wal_writes.db.wal')
----
1
statement ok
INSERT INTO wal_writes.tbl VALUES (42, 42);
# CHECKPOINT to delete the WAL.
statement ok
CHECKPOINT wal_writes;
query I
SELECT COUNT(*) FROM glob('__TEST_DIR__/wal_writes.db.wal')
----
0
# Ensure (again) that we persisted the table (replayed its creation).
statement ok
UPDATE wal_writes.tbl SET v = id;
# Verify no WAL creation.
query I
SELECT COUNT(*) FROM glob('__TEST_DIR__/wal_writes.db.wal')
----
0
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