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# Tests for locking conflicts with VACUUM and ANALYZE commands.
setup
{
CREATE ROLE regress_vacuum_conflict;
CREATE TABLE vacuum_tab (a int);
}
teardown
{
DROP TABLE vacuum_tab;
DROP ROLE regress_vacuum_conflict;
}
session "s1"
step "s1_begin" { BEGIN; }
step "s1_lock" { LOCK vacuum_tab IN SHARE UPDATE EXCLUSIVE MODE; }
step "s1_commit" { COMMIT; }
session "s2"
step "s2_grant" { ALTER TABLE vacuum_tab OWNER TO regress_vacuum_conflict; }
step "s2_auth" { SET ROLE regress_vacuum_conflict; }
step "s2_vacuum" { VACUUM vacuum_tab; }
step "s2_analyze" { ANALYZE vacuum_tab; }
step "s2_reset" { RESET ROLE; }
# The role doesn't have privileges to vacuum the table, so VACUUM should
# immediately skip the table without waiting for a lock.
permutation "s1_begin" "s1_lock" "s2_auth" "s2_vacuum" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_auth" "s2_vacuum" "s1_lock" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_auth" "s1_lock" "s2_vacuum" "s1_commit" "s2_reset"
permutation "s2_auth" "s2_vacuum" "s1_begin" "s1_lock" "s1_commit" "s2_reset"
# Same as previously for ANALYZE
permutation "s1_begin" "s1_lock" "s2_auth" "s2_analyze" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_auth" "s2_analyze" "s1_lock" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_auth" "s1_lock" "s2_analyze" "s1_commit" "s2_reset"
permutation "s2_auth" "s2_analyze" "s1_begin" "s1_lock" "s1_commit" "s2_reset"
# The role has privileges to vacuum the table, VACUUM will block if
# another session holds a lock on the table and succeed in all cases.
permutation "s1_begin" "s2_grant" "s1_lock" "s2_auth" "s2_vacuum" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_grant" "s2_auth" "s2_vacuum" "s1_lock" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_grant" "s2_auth" "s1_lock" "s2_vacuum" "s1_commit" "s2_reset"
permutation "s2_grant" "s2_auth" "s2_vacuum" "s1_begin" "s1_lock" "s1_commit" "s2_reset"
# Same as previously for ANALYZE
permutation "s1_begin" "s2_grant" "s1_lock" "s2_auth" "s2_analyze" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_grant" "s2_auth" "s2_analyze" "s1_lock" "s1_commit" "s2_reset"
permutation "s1_begin" "s2_grant" "s2_auth" "s1_lock" "s2_analyze" "s1_commit" "s2_reset"
permutation "s2_grant" "s2_auth" "s2_analyze" "s1_begin" "s1_lock" "s1_commit" "s2_reset"
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