ClickHouse/tests/queries/0_stateless/02456_test_zero_copy_mutation.sql

DROP TABLE IF EXISTS mutation_1;
DROP TABLE IF EXISTS mutation_2;

CREATE TABLE mutation_1
(
    a UInt64,
    b String
)
ENGINE = ReplicatedMergeTree('/clickhouse/test/{database}/t', '1')
ORDER BY tuple() SETTINGS min_bytes_for_wide_part=0, allow_remote_fs_zero_copy_replication=1;

CREATE TABLE mutation_2
(
    a UInt64,
    b String
)
ENGINE = ReplicatedMergeTree('/clickhouse/test/{database}/t', '2')
ORDER BY tuple() SETTINGS min_bytes_for_wide_part=0, allow_remote_fs_zero_copy_replication=1;

INSERT INTO mutation_1 VALUES (1, 'Hello');

SYSTEM SYNC REPLICA mutation_2;

SYSTEM STOP REPLICATION QUEUES mutation_2;

ALTER TABLE mutation_1 UPDATE a = 2 WHERE b = 'xxxxxx' SETTINGS mutations_sync=1;

SELECT * from mutation_1;
SELECT * from mutation_2;

DROP TABLE mutation_1 SYNC;

SELECT * from mutation_2;

DROP TABLE IF EXISTS mutation_1;
DROP TABLE IF EXISTS mutation_2;