# Try various things to happen to a partition with an incomplete detach
#
# Note: Always keep "s2noop" right after "s1cancel" in permutations.  This
# reduces the probability of the timing problem that the cancel error report
# is shown together with the next query instead of with the cancel query.

setup
{
  CREATE TABLE d3_listp (a int) PARTITION BY LIST(a);
  CREATE TABLE d3_listp1 PARTITION OF d3_listp FOR VALUES IN (1);
  CREATE TABLE d3_listp2 PARTITION OF d3_listp FOR VALUES IN (2);
  CREATE TABLE d3_pid (pid int);
  INSERT INTO d3_listp VALUES (1);
}

teardown {
    DROP TABLE IF EXISTS d3_listp, d3_listp1, d3_listp2, d3_pid;
}

session "s1"
step "s1b"			{ BEGIN; }
step "s1brr"		{ BEGIN ISOLATION LEVEL REPEATABLE READ; }
step "s1s"			{ SELECT * FROM d3_listp; }
step "s1spart"		{ SELECT * FROM d3_listp1; }
# Sleep 0.1s after sending cancel, to give s2 time to react
step "s1cancel" 	{ SELECT pg_cancel_backend(pid), pg_sleep(0.1) FROM d3_pid; }
step "s1c"			{ COMMIT; }
step "s1alter"		{ ALTER TABLE d3_listp1 ALTER a DROP NOT NULL; }
step "s1insert"		{ INSERT INTO d3_listp VALUES (1); }
step "s1insertpart"	{ INSERT INTO d3_listp1 VALUES (1); }
step "s1drop"		{ DROP TABLE d3_listp; }
step "s1droppart"	{ DROP TABLE d3_listp1; }
step "s1trunc"		{ TRUNCATE TABLE d3_listp; }
step "s1list"		{ SELECT relname FROM pg_catalog.pg_class
					  WHERE relname LIKE 'd3_listp%' ORDER BY 1; }
step "s1describe"	{ SELECT 'd3_listp' AS root, * FROM pg_partition_tree('d3_listp')
					  UNION ALL SELECT 'd3_listp1', * FROM pg_partition_tree('d3_listp1'); }

session "s2"
step "s2begin"		{ BEGIN; }
step "s2snitch"		{ INSERT INTO d3_pid SELECT pg_backend_pid(); }
step "s2detach"		{ ALTER TABLE d3_listp DETACH PARTITION d3_listp1 CONCURRENTLY; }
step "s2detach2"	{ ALTER TABLE d3_listp DETACH PARTITION d3_listp2 CONCURRENTLY; }
step "s2noop"		{ UNLISTEN noop; }
step "s2detachfinal"	{ ALTER TABLE d3_listp DETACH PARTITION d3_listp1 FINALIZE; }
step "s2drop"		{ DROP TABLE d3_listp1; }
step "s2commit"		{ COMMIT; }

# Try various things while the partition is in "being detached" state, with
# no session waiting.
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1describe" "s1alter"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1insert" "s1c"
permutation "s2snitch" "s1brr" "s1s" "s2detach" "s1cancel" "s2noop" "s1insert" "s1c" "s1spart"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1insertpart"

# Test partition descriptor caching
permutation "s2snitch" "s1b" "s1s" "s2detach2" "s1cancel" "s2noop" "s1c" "s1brr" "s1insert" "s1s" "s1insert" "s1c"
permutation "s2snitch" "s1b" "s1s" "s2detach2" "s1cancel" "s2noop" "s1c" "s1brr" "s1s" "s1insert" "s1s" "s1c"

# "drop" here does both tables
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1drop" "s1list"
# "truncate" only does parent, not partition
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1trunc" "s1spart"

# If a partition pending detach exists, we cannot drop another one
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s2detach2" "s1c"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s2detachfinal" "s1c" "s2detach2"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1droppart" "s2detach2"

# When a partition with incomplete detach is dropped, we grab lock on parent too.
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s2begin" "s2drop" "s1s" "s2commit"

# Partially detach, then select and try to complete the detach.  Reading
# from partition blocks (AEL is required on partition); reading from parent
# does not block.
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1b" "s1spart" "s2detachfinal" "s1c"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1b" "s1s" "s2detachfinal" "s1c"

# DETACH FINALIZE in a transaction block. No insert/select on the partition
# is allowed concurrently with that.
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s1b" "s1spart" "s2detachfinal" "s1c"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s2begin" "s2detachfinal" "s2commit"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s2begin" "s2detachfinal" "s1spart" "s2commit"
permutation "s2snitch" "s1b" "s1s" "s2detach" "s1cancel" "s2noop" "s1c" "s2begin" "s2detachfinal" "s1insertpart" "s2commit"