-- Tags: long

DROP TABLE IF EXISTS test_without_merge;
DROP TABLE IF EXISTS test_with_merge;
DROP TABLE IF EXISTS test_replicated;

SELECT 'Without merge';

CREATE TABLE test_without_merge (i Int64) ENGINE = MergeTree ORDER BY i;
INSERT INTO test_without_merge SELECT 1;
INSERT INTO test_without_merge SELECT 2;
INSERT INTO test_without_merge SELECT 3;

SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_without_merge' AND active;

DROP TABLE test_without_merge;

SELECT 'With merge any part range';

CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=false;
INSERT INTO test_with_merge SELECT 1;
INSERT INTO test_with_merge SELECT 2;
INSERT INTO test_with_merge SELECT 3;

SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;

DROP TABLE test_with_merge;

SELECT 'With merge partition only';

CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=true;
INSERT INTO test_with_merge SELECT 1;
INSERT INTO test_with_merge SELECT 2;
INSERT INTO test_with_merge SELECT 3;

SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;

DROP TABLE test_with_merge;

SELECT 'With merge replicated any part range';

CREATE TABLE test_replicated (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02473', 'node')  ORDER BY i
SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=false;
INSERT INTO test_replicated SELECT 1;
INSERT INTO test_replicated SELECT 2;
INSERT INTO test_replicated SELECT 3;

SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_replicated' AND active;

DROP TABLE test_replicated;

SELECT 'With merge replicated partition only';

CREATE TABLE test_replicated (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02473_partition_only', 'node')  ORDER BY i
SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=true;
INSERT INTO test_replicated SELECT 1;
INSERT INTO test_replicated SELECT 2;
INSERT INTO test_replicated SELECT 3;

SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_replicated' AND active;

DROP TABLE test_replicated;

SELECT 'With merge partition only and new parts';

CREATE TABLE test_with_merge (i Int64) ENGINE = MergeTree ORDER BY i
SETTINGS min_age_to_force_merge_seconds=3, min_age_to_force_merge_on_partition_only=true;
SYSTEM STOP MERGES test_with_merge;
-- These three parts will have min_age=6 at the time of merge
INSERT INTO test_with_merge SELECT 1;
INSERT INTO test_with_merge SELECT 2;
SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null;
-- These three parts will have min_age=0 at the time of merge
-- and so, nothing will be merged.
INSERT INTO test_with_merge SELECT 3;
SYSTEM START MERGES test_with_merge;

SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='test_with_merge' AND active;

DROP TABLE test_with_merge;