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# If transaction A holds a lock, and transaction B does an update,
# make sure we don't forget the lock if B aborts.
setup
{
CREATE TABLE dont_forget (
value int
);
INSERT INTO dont_forget VALUES (1);
}
teardown
{
DROP TABLE dont_forget;
}
session s1
setup { BEGIN; }
step s1_show { SELECT current_setting('default_transaction_isolation') <> 'read committed'; }
step s1_lock { SELECT * FROM dont_forget FOR KEY SHARE; }
step s1_commit { COMMIT; }
session s2
setup { BEGIN; }
step s2_update { UPDATE dont_forget SET value = 2; }
step s2_abort { ROLLBACK; }
step s2_commit { COMMIT; }
session s3
# try cases with both a non-conflicting lock with s1's and a conflicting one
step s3_forkeyshr { SELECT * FROM dont_forget FOR KEY SHARE; }
step s3_fornokeyupd { SELECT * FROM dont_forget FOR NO KEY UPDATE; }
step s3_forupd { SELECT * FROM dont_forget FOR UPDATE; }
permutation s1_show s1_commit s2_commit
permutation s1_lock s2_update s2_abort s3_forkeyshr s1_commit
permutation s1_lock s2_update s2_commit s3_forkeyshr s1_commit
permutation s1_lock s2_update s1_commit s3_forkeyshr s2_commit
permutation s1_lock s2_update s2_abort s3_fornokeyupd s1_commit
permutation s1_lock s2_update s2_commit s3_fornokeyupd s1_commit
permutation s1_lock s2_update s1_commit s3_fornokeyupd s2_commit
permutation s1_lock s2_update s2_abort s3_forupd s1_commit
permutation s1_lock s2_update s2_commit s3_forupd s1_commit
permutation s1_lock s2_update s1_commit s3_forupd s2_commit
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