ClickHouse/tests/queries/0_stateless/02842_mutations_replace_non_deterministic.sql

DROP TABLE IF EXISTS t_mutations_nondeterministic SYNC;

SET mutations_sync = 2;
SET mutations_execute_subqueries_on_initiator = 1;
SET mutations_execute_nondeterministic_on_initiator = 1;

-- SELECT sum(...)

CREATE TABLE t_mutations_nondeterministic (id UInt64, v UInt64)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1')
ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, 20);

ALTER TABLE t_mutations_nondeterministic UPDATE v = (SELECT sum(number) FROM numbers(100)) WHERE 1;

SELECT id, v FROM t_mutations_nondeterministic ORDER BY id;

SELECT command FROM system.mutations
WHERE database = currentDatabase() AND table = 't_mutations_nondeterministic' AND is_done
ORDER BY command;

DROP TABLE t_mutations_nondeterministic SYNC;

-- SELECT groupArray(...)

CREATE TABLE t_mutations_nondeterministic (id UInt64, v Array(UInt64))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1')
ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, [20]);

ALTER TABLE t_mutations_nondeterministic UPDATE v = (SELECT groupArray(number) FROM numbers(10)) WHERE 1;

SELECT id, v FROM t_mutations_nondeterministic ORDER BY id;

-- Too big result.
ALTER TABLE t_mutations_nondeterministic UPDATE v = (SELECT groupArray(number) FROM numbers(10000)) WHERE 1; -- { serverError BAD_ARGUMENTS }

SELECT command FROM system.mutations
WHERE database = currentDatabase() AND table = 't_mutations_nondeterministic' AND is_done
ORDER BY command;

DROP TABLE t_mutations_nondeterministic SYNC;

-- SELECT uniqExactState(...)

CREATE TABLE t_mutations_nondeterministic (id UInt64, v AggregateFunction(uniqExact, UInt64))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1')
ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, initializeAggregation('uniqExactState', 1::UInt64));

ALTER TABLE t_mutations_nondeterministic UPDATE v = (SELECT uniqExactState(number) FROM numbers(5)) WHERE 1;

SELECT id, finalizeAggregation(v) FROM t_mutations_nondeterministic ORDER BY id;

SELECT command FROM system.mutations
WHERE database = currentDatabase() AND table = 't_mutations_nondeterministic' AND is_done
ORDER BY command;

DROP TABLE t_mutations_nondeterministic SYNC;

-- now()

CREATE TABLE t_mutations_nondeterministic (id UInt64, v DateTime)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1')
ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, '2020-10-10');

ALTER TABLE t_mutations_nondeterministic UPDATE v = now() WHERE 1;

SELECT id, v BETWEEN now() - INTERVAL 10 MINUTE AND now() FROM t_mutations_nondeterministic;

SELECT
    replaceRegexpOne(command, '(\\d{10})', 'timestamp'),
FROM system.mutations
WHERE database = currentDatabase() AND table = 't_mutations_nondeterministic' AND is_done
ORDER BY command;

DROP TABLE t_mutations_nondeterministic SYNC;

-- filesystem(...)

CREATE TABLE t_mutations_nondeterministic (id UInt64, v UInt64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1') ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, 10);

ALTER TABLE t_mutations_nondeterministic UPDATE v = filesystemCapacity(materialize('default')) WHERE 1; -- { serverError BAD_ARGUMENTS }

DROP TABLE t_mutations_nondeterministic SYNC;

-- UPDATE SELECT randConstant()

CREATE TABLE t_mutations_nondeterministic (id UInt64, v UInt64)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1')
ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, 10);

-- Check that function in subquery is not rewritten.
ALTER TABLE t_mutations_nondeterministic
UPDATE v =
(
    SELECT sum(number) FROM numbers(1000) WHERE number > randConstant()
) WHERE 1
SETTINGS mutations_execute_subqueries_on_initiator = 0, allow_nondeterministic_mutations = 1;

SELECT command FROM system.mutations
WHERE database = currentDatabase() AND table = 't_mutations_nondeterministic' AND is_done
ORDER BY command;

DROP TABLE t_mutations_nondeterministic SYNC;

-- DELETE WHERE now()

CREATE TABLE t_mutations_nondeterministic (id UInt64, d DateTime)
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/02842_mutations_replace', '1')
ORDER BY id;

INSERT INTO t_mutations_nondeterministic VALUES (10, '2000-10-10'), (20, '2100-10-10');

ALTER TABLE t_mutations_nondeterministic DELETE WHERE d < now();

SELECT
    replaceRegexpOne(command, '(\\d{10})', 'timestamp'),
FROM system.mutations
WHERE database = currentDatabase() AND table = 't_mutations_nondeterministic' AND NOT is_done
ORDER BY command;

SELECT id, d FROM t_mutations_nondeterministic ORDER BY id;

DROP TABLE t_mutations_nondeterministic SYNC;