-- Tags: replica DROP TABLE IF EXISTS replicated_mutations_empty_partitions SYNC; CREATE TABLE replicated_mutations_empty_partitions ( key UInt64, value String ) ENGINE = ReplicatedMergeTree('/clickhouse/test/'||currentDatabase()||'/01586_replicated_mutations_empty_partitions/{shard}', '{replica}') ORDER BY key PARTITION by key; -- insert_keeper* settings are adjusted since several actual inserts are happening behind one statement due to partitioning i.e. inserts in different partitions INSERT INTO replicated_mutations_empty_partitions SETTINGS insert_keeper_max_retries=100, insert_keeper_retry_max_backoff_ms=10 SELECT number, toString(number) FROM numbers(10); SELECT count(distinct value) FROM replicated_mutations_empty_partitions; SELECT count() FROM system.zookeeper WHERE path = '/clickhouse/test/'||currentDatabase()||'/01586_replicated_mutations_empty_partitions/s1/block_numbers'; ALTER TABLE replicated_mutations_empty_partitions DROP PARTITION '3'; ALTER TABLE replicated_mutations_empty_partitions DROP PARTITION '4'; ALTER TABLE replicated_mutations_empty_partitions DROP PARTITION '5'; ALTER TABLE replicated_mutations_empty_partitions DROP PARTITION '9'; -- still ten records SELECT count() FROM system.zookeeper WHERE path = '/clickhouse/test/'||currentDatabase()||'/01586_replicated_mutations_empty_partitions/s1/block_numbers'; ALTER TABLE replicated_mutations_empty_partitions MODIFY COLUMN value UInt64 SETTINGS replication_alter_partitions_sync=2; SELECT sum(value) FROM replicated_mutations_empty_partitions; SHOW CREATE TABLE replicated_mutations_empty_partitions; DROP TABLE IF EXISTS replicated_mutations_empty_partitions SYNC;