CREATE TABLE t (pk INT PRIMARY KEY, l LIST<INT>);
UPDATE t SET l = [-1] + l WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = [-3,-2] + l WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = [-4] + l WHERE pk = 0 IF EXISTS;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = [-6, -5] + l WHERE pk = 0 IF EXISTS;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = l + [1] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = l + [2,3] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = l + [4] WHERE pk = 0 IF EXISTS;
SELECT l FROM t WHERE pk = 0;
UPDATE t SET l = l + [5,6] WHERE pk = 0 IF EXISTS;
SELECT l FROM t WHERE pk = 0;
BEGIN BATCH
    UPDATE t SET l = l + [7] WHERE pk = 0
    UPDATE t SET l = [-7] + l WHERE pk = 0
    UPDATE t SET l = l + [8, 9] WHERE pk = 0
    UPDATE t SET l = l + [10] WHERE pk = 0
    UPDATE t SET l = [-9, -8] + l WHERE pk = 0
    UPDATE t SET l = [-10] + l WHERE pk = 0
APPLY BATCH;
SELECT l FROM t WHERE pk = 0;
-- LWT batch
BEGIN BATCH
    UPDATE t SET l = [-11] + l WHERE pk = 0 IF EXISTS
    UPDATE t SET l = [-13, -12] + l WHERE pk = 0 IF EXISTS
    UPDATE t SET l = [-14] + l WHERE pk = 0 IF EXISTS
    UPDATE t SET l = l + [11] WHERE pk = 0 IF EXISTS
    UPDATE t SET l = l + [12, 13] WHERE pk = 0 IF EXISTS
    UPDATE t SET l = l + [14] WHERE pk = 0 IF EXISTS
APPLY BATCH;
SELECT l FROM t WHERE pk = 0;

DROP TABLE t;
-- test custom timestamps
-- Scylla, unlike Cassandra, takes custom timestamps into account
-- in list append/prepend operations
CREATE TABLE t (pk INT PRIMARY KEY, l LIST<INT>);

-- Even though it's an append, since the timestamp is in the past,
-- the result is going to be a prepend
UPDATE t USING TIMESTAMP 1607100000000000 SET l = l + [-4] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
-- using the same timestamp will reset the value to a new one, but only if
-- it is larger lexicographically
UPDATE t USING TIMESTAMP 1607100000000000 SET l = l + [-5] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
UPDATE t USING TIMESTAMP 1607100000000000 SET l = l + [-3] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
-- and what if we try two values at once?
UPDATE t USING TIMESTAMP 1607100000000000 SET l = l + [-5, -2] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
-- if a timestamp grows, the new value is after the previous one in the list
UPDATE t USING TIMESTAMP 1607100000000001 SET l = l + [-1] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
-- And if it goes back, it's prepended
UPDATE t USING TIMESTAMP 1607099999999999 SET l = l + [-4] WHERE pk = 0;
SELECT l FROM t WHERE pk = 0;
-- The batch has both list append and prepend.
-- The relative order of appends and prepends in the batch
-- is correct, but since batch timestamp is lower
-- than anything that is already in the list cell
-- all appends and prepends of the batch end up
-- preceding all previous values of the list.
BEGIN BATCH USING TIMESTAMP 1607099999999998
    UPDATE t SET l = [-5] + l WHERE pk = 0
    UPDATE t SET l = [-7, -6] + l WHERE pk = 0
    UPDATE t SET l = [-8] + l WHERE pk = 0
    UPDATE t SET l = l + [0] WHERE pk = 0
    UPDATE t SET l = l + [1, 2] WHERE pk = 0
    UPDATE t SET l = l + [3] WHERE pk = 0
APPLY BATCH;
SELECT l FROM t WHERE pk = 0;
-- try a very low timestamp
BEGIN BATCH USING TIMESTAMP 1000
    UPDATE t SET l = [-8] + l WHERE pk = 0
    UPDATE t SET l = [-10, -9] + l WHERE pk = 0
    UPDATE t SET l = [-11] + l WHERE pk = 0
    UPDATE t SET l = l + [4] WHERE pk = 0
    UPDATE t SET l = l + [5, 6] WHERE pk = 0
    UPDATE t SET l = l + [7] WHERE pk = 0
APPLY BATCH;
SELECT l FROM t WHERE pk = 0;

DROP TABLE t;