diff --git a/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/__init__.py b/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/__init__.py
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/configs/mergetree_settings.xml b/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/configs/mergetree_settings.xml
deleted file mode 100644
index 508b251c920..00000000000
--- a/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/configs/mergetree_settings.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<yandex>
-     <merge_tree>
-                <enable_vertical_merge_algorithm>1</enable_vertical_merge_algorithm>
-                <vertical_merge_algorithm_min_rows_to_activate>1</vertical_merge_algorithm_min_rows_to_activate>
-                <vertical_merge_algorithm_min_columns_to_activate>0</vertical_merge_algorithm_min_columns_to_activate>
-     </merge_tree>
-</yandex>
diff --git a/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/test.py b/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/test.py
deleted file mode 100644
index 2f93036dce9..00000000000
--- a/dbms/tests/integration/test_multiversion_merge_tree_vertical_merge/test.py
+++ /dev/null
@@ -1,125 +0,0 @@
-import pytest
-
-from helpers.cluster import ClickHouseCluster
-
-
-cluster = ClickHouseCluster(__file__)
-
-instance = cluster.add_instance('node', main_configs=['configs/mergetree_settings.xml'])
-
-
-
-@pytest.fixture(scope="module")
-def started_cluster():
-    try:
-        cluster.start()
-
-        yield cluster
-
-    finally:
-        cluster.shutdown()
-
-
-def test(started_cluster):
-
-    instance.query('create database if not exists test;')
-
-    instance.query('''
-    drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-    ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '0\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '2\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, value, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-        ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '20\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '20\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, value, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
-            ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '0\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '2\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, value, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 2, -1, 1) from system.numbers limit 10;
-                ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '20\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '20\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, value, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
-                    ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '0\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '2\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, value, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 3 = 0, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 3 = 1, 1, -1) from system.numbers limit 10;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 3 = 2, 1, -1) from system.numbers limit 10;
-                        ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '10\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '10\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, value, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 1000000;
-insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 1000000;
-                            ''')
-
-    assert instance.query("select count() from test.mult_tab final;") == '0\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '2\n'
-
-
-    instance.query('''
-drop table if exists test.mult_tab;
-create table test.mult_tab (date Date, value UInt64, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(date, (date, version), 8192, sign, version);
-insert into test.mult_tab select '2018-01-31', number, 0, if(number < 64, 1, -1) from system.numbers limit 128;
-insert into test.mult_tab select '2018-01-31', number, 0, if(number < 64, -1, 1) from system.numbers limit 128;
-                            ''')
-
-    assert instance.query("select count() from test.mult_tab final settings max_block_size=32;") == '128\n'
-    instance.query('optimize table test.mult_tab;')
-    assert instance.query("select count() from test.mult_tab;") == '2\n'
diff --git a/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.reference b/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.reference
index a29af635f6c..edc91a8f558 100644
--- a/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.reference
+++ b/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.reference
@@ -160,38 +160,40 @@ table with 2 blocks final
 2018-01-31	29	0	1
 2018-01-31	30	0	1
 2018-01-31	31	0	1
-2018-01-31	64	0	-1
-2018-01-31	65	0	-1
-2018-01-31	66	0	-1
-2018-01-31	67	0	-1
-2018-01-31	68	0	-1
-2018-01-31	69	0	-1
-2018-01-31	70	0	-1
-2018-01-31	71	0	-1
-2018-01-31	72	0	-1
-2018-01-31	73	0	-1
-2018-01-31	74	0	-1
-2018-01-31	75	0	-1
-2018-01-31	76	0	-1
-2018-01-31	77	0	-1
-2018-01-31	78	0	-1
-2018-01-31	79	0	-1
-2018-01-31	80	0	-1
-2018-01-31	81	0	-1
-2018-01-31	82	0	-1
-2018-01-31	83	0	-1
-2018-01-31	84	0	-1
-2018-01-31	85	0	-1
-2018-01-31	86	0	-1
-2018-01-31	87	0	-1
-2018-01-31	88	0	-1
-2018-01-31	89	0	-1
-2018-01-31	90	0	-1
-2018-01-31	91	0	-1
-2018-01-31	92	0	-1
-2018-01-31	93	0	-1
-2018-01-31	94	0	-1
+2018-01-31	32	0	1
 2018-01-31	95	0	-1
+2018-01-31	96	0	-1
+2018-01-31	97	0	-1
+2018-01-31	98	0	-1
+2018-01-31	99	0	-1
+2018-01-31	100	0	-1
+2018-01-31	101	0	-1
+2018-01-31	102	0	-1
+2018-01-31	103	0	-1
+2018-01-31	104	0	-1
+2018-01-31	105	0	-1
+2018-01-31	106	0	-1
+2018-01-31	107	0	-1
+2018-01-31	108	0	-1
+2018-01-31	109	0	-1
+2018-01-31	110	0	-1
+2018-01-31	111	0	-1
+2018-01-31	112	0	-1
+2018-01-31	113	0	-1
+2018-01-31	114	0	-1
+2018-01-31	115	0	-1
+2018-01-31	116	0	-1
+2018-01-31	117	0	-1
+2018-01-31	118	0	-1
+2018-01-31	119	0	-1
+2018-01-31	120	0	-1
+2018-01-31	121	0	-1
+2018-01-31	122	0	-1
+2018-01-31	123	0	-1
+2018-01-31	124	0	-1
+2018-01-31	125	0	-1
+2018-01-31	126	0	-1
+2018-01-31	127	0	-1
 2018-01-31	0	0	-1
 2018-01-31	1	0	-1
 2018-01-31	2	0	-1
@@ -224,38 +226,308 @@ table with 2 blocks final
 2018-01-31	29	0	-1
 2018-01-31	30	0	-1
 2018-01-31	31	0	-1
-2018-01-31	64	0	1
-2018-01-31	65	0	1
-2018-01-31	66	0	1
-2018-01-31	67	0	1
-2018-01-31	68	0	1
-2018-01-31	69	0	1
-2018-01-31	70	0	1
-2018-01-31	71	0	1
-2018-01-31	72	0	1
-2018-01-31	73	0	1
-2018-01-31	74	0	1
-2018-01-31	75	0	1
-2018-01-31	76	0	1
-2018-01-31	77	0	1
-2018-01-31	78	0	1
-2018-01-31	79	0	1
-2018-01-31	80	0	1
-2018-01-31	81	0	1
-2018-01-31	82	0	1
-2018-01-31	83	0	1
-2018-01-31	84	0	1
-2018-01-31	85	0	1
-2018-01-31	86	0	1
-2018-01-31	87	0	1
-2018-01-31	88	0	1
-2018-01-31	89	0	1
-2018-01-31	90	0	1
-2018-01-31	91	0	1
-2018-01-31	92	0	1
-2018-01-31	93	0	1
-2018-01-31	94	0	1
+2018-01-31	32	0	-1
 2018-01-31	95	0	1
+2018-01-31	96	0	1
+2018-01-31	97	0	1
+2018-01-31	98	0	1
+2018-01-31	99	0	1
+2018-01-31	100	0	1
+2018-01-31	101	0	1
+2018-01-31	102	0	1
+2018-01-31	103	0	1
+2018-01-31	104	0	1
+2018-01-31	105	0	1
+2018-01-31	106	0	1
+2018-01-31	107	0	1
+2018-01-31	108	0	1
+2018-01-31	109	0	1
+2018-01-31	110	0	1
+2018-01-31	111	0	1
+2018-01-31	112	0	1
+2018-01-31	113	0	1
+2018-01-31	114	0	1
+2018-01-31	115	0	1
+2018-01-31	116	0	1
+2018-01-31	117	0	1
+2018-01-31	118	0	1
+2018-01-31	119	0	1
+2018-01-31	120	0	1
+2018-01-31	121	0	1
+2018-01-31	122	0	1
+2018-01-31	123	0	1
+2018-01-31	124	0	1
+2018-01-31	125	0	1
+2018-01-31	126	0	1
+2018-01-31	127	0	1
+table with 2 blocks optimized
+2018-01-31	0	0	-1
+2018-01-31	127	0	1
+#########################
+Vertival merge
+#########################
+table with 2 blocks final
+table with 2 blocks optimized
+2018-01-31	str_8	0	-1
+2018-01-31	str_9	0	1
+#########################
+table with 2 blocks final
+2018-01-31	str_0	0	-1
+2018-01-31	str_0	0	-1
+2018-01-31	str_1	0	1
+2018-01-31	str_1	0	1
+2018-01-31	str_2	0	-1
+2018-01-31	str_2	0	-1
+2018-01-31	str_3	0	1
+2018-01-31	str_3	0	1
+2018-01-31	str_4	0	-1
+2018-01-31	str_4	0	-1
+2018-01-31	str_5	0	1
+2018-01-31	str_5	0	1
+2018-01-31	str_6	0	-1
+2018-01-31	str_6	0	-1
+2018-01-31	str_7	0	1
+2018-01-31	str_7	0	1
+2018-01-31	str_8	0	-1
+2018-01-31	str_8	0	-1
+2018-01-31	str_9	0	1
+2018-01-31	str_9	0	1
+table with 2 blocks optimized
+2018-01-31	str_0	0	-1
+2018-01-31	str_0	0	-1
+2018-01-31	str_1	0	1
+2018-01-31	str_1	0	1
+2018-01-31	str_2	0	-1
+2018-01-31	str_2	0	-1
+2018-01-31	str_3	0	1
+2018-01-31	str_3	0	1
+2018-01-31	str_4	0	-1
+2018-01-31	str_4	0	-1
+2018-01-31	str_5	0	1
+2018-01-31	str_5	0	1
+2018-01-31	str_6	0	-1
+2018-01-31	str_6	0	-1
+2018-01-31	str_7	0	1
+2018-01-31	str_7	0	1
+2018-01-31	str_8	0	-1
+2018-01-31	str_8	0	-1
+2018-01-31	str_9	0	1
+2018-01-31	str_9	0	1
+#########################
+table with 2 blocks final
+table with 2 blocks optimized
+2018-01-31	str_9	0	1
+2018-01-31	str_9	0	-1
+#########################
+table with 2 blocks final
+2018-01-31	str_0	0	-1
+2018-01-31	str_0	1	1
+2018-01-31	str_1	0	1
+2018-01-31	str_1	1	-1
+2018-01-31	str_2	0	-1
+2018-01-31	str_2	1	1
+2018-01-31	str_3	0	1
+2018-01-31	str_3	1	-1
+2018-01-31	str_4	0	-1
+2018-01-31	str_4	1	1
+2018-01-31	str_5	0	1
+2018-01-31	str_5	1	-1
+2018-01-31	str_6	0	-1
+2018-01-31	str_6	1	1
+2018-01-31	str_7	0	1
+2018-01-31	str_7	1	-1
+2018-01-31	str_8	0	-1
+2018-01-31	str_8	1	1
+2018-01-31	str_9	0	1
+2018-01-31	str_9	1	-1
+table with 2 blocks optimized
+2018-01-31	str_0	0	-1
+2018-01-31	str_0	1	1
+2018-01-31	str_1	0	1
+2018-01-31	str_1	1	-1
+2018-01-31	str_2	0	-1
+2018-01-31	str_2	1	1
+2018-01-31	str_3	0	1
+2018-01-31	str_3	1	-1
+2018-01-31	str_4	0	-1
+2018-01-31	str_4	1	1
+2018-01-31	str_5	0	1
+2018-01-31	str_5	1	-1
+2018-01-31	str_6	0	-1
+2018-01-31	str_6	1	1
+2018-01-31	str_7	0	1
+2018-01-31	str_7	1	-1
+2018-01-31	str_8	0	-1
+2018-01-31	str_8	1	1
+2018-01-31	str_9	0	1
+2018-01-31	str_9	1	-1
+#########################
+table with 4 blocks final
+table with 4 blocks optimized
+2018-01-31	str_9	0	1
+2018-01-31	str_9	0	-1
+#########################
+table with 5 blocks final
+2018-01-31	str_0	1	-1
+2018-01-31	str_1	1	-1
+2018-01-31	str_2	1	-1
+2018-01-31	str_3	1	-1
+2018-01-31	str_4	1	-1
+2018-01-31	str_5	1	-1
+2018-01-31	str_6	1	-1
+2018-01-31	str_7	1	-1
+2018-01-31	str_8	1	-1
+2018-01-31	str_9	1	-1
+table with 5 blocks optimized
+2018-01-31	str_0	1	-1
+2018-01-31	str_1	1	-1
+2018-01-31	str_2	1	-1
+2018-01-31	str_3	1	-1
+2018-01-31	str_4	1	-1
+2018-01-31	str_5	1	-1
+2018-01-31	str_6	1	-1
+2018-01-31	str_7	1	-1
+2018-01-31	str_8	1	-1
+2018-01-31	str_9	1	-1
+#########################
+table with 2 blocks final
+table with 2 blocks optimized
+2018-01-31	str_999999	0	1
+2018-01-31	str_999999	0	-1
+#########################
+table with 2 blocks final
+2018-01-31	0	0	1
+2018-01-31	1	0	1
+2018-01-31	2	0	1
+2018-01-31	3	0	1
+2018-01-31	4	0	1
+2018-01-31	5	0	1
+2018-01-31	6	0	1
+2018-01-31	7	0	1
+2018-01-31	8	0	1
+2018-01-31	9	0	1
+2018-01-31	10	0	1
+2018-01-31	11	0	1
+2018-01-31	12	0	1
+2018-01-31	13	0	1
+2018-01-31	14	0	1
+2018-01-31	15	0	1
+2018-01-31	16	0	1
+2018-01-31	17	0	1
+2018-01-31	18	0	1
+2018-01-31	19	0	1
+2018-01-31	20	0	1
+2018-01-31	21	0	1
+2018-01-31	22	0	1
+2018-01-31	23	0	1
+2018-01-31	24	0	1
+2018-01-31	25	0	1
+2018-01-31	26	0	1
+2018-01-31	27	0	1
+2018-01-31	28	0	1
+2018-01-31	29	0	1
+2018-01-31	30	0	1
+2018-01-31	31	0	1
+2018-01-31	32	0	1
+2018-01-31	95	0	-1
+2018-01-31	96	0	-1
+2018-01-31	97	0	-1
+2018-01-31	98	0	-1
+2018-01-31	99	0	-1
+2018-01-31	100	0	-1
+2018-01-31	101	0	-1
+2018-01-31	102	0	-1
+2018-01-31	103	0	-1
+2018-01-31	104	0	-1
+2018-01-31	105	0	-1
+2018-01-31	106	0	-1
+2018-01-31	107	0	-1
+2018-01-31	108	0	-1
+2018-01-31	109	0	-1
+2018-01-31	110	0	-1
+2018-01-31	111	0	-1
+2018-01-31	112	0	-1
+2018-01-31	113	0	-1
+2018-01-31	114	0	-1
+2018-01-31	115	0	-1
+2018-01-31	116	0	-1
+2018-01-31	117	0	-1
+2018-01-31	118	0	-1
+2018-01-31	119	0	-1
+2018-01-31	120	0	-1
+2018-01-31	121	0	-1
+2018-01-31	122	0	-1
+2018-01-31	123	0	-1
+2018-01-31	124	0	-1
+2018-01-31	125	0	-1
+2018-01-31	126	0	-1
+2018-01-31	127	0	-1
+2018-01-31	0	0	-1
+2018-01-31	1	0	-1
+2018-01-31	2	0	-1
+2018-01-31	3	0	-1
+2018-01-31	4	0	-1
+2018-01-31	5	0	-1
+2018-01-31	6	0	-1
+2018-01-31	7	0	-1
+2018-01-31	8	0	-1
+2018-01-31	9	0	-1
+2018-01-31	10	0	-1
+2018-01-31	11	0	-1
+2018-01-31	12	0	-1
+2018-01-31	13	0	-1
+2018-01-31	14	0	-1
+2018-01-31	15	0	-1
+2018-01-31	16	0	-1
+2018-01-31	17	0	-1
+2018-01-31	18	0	-1
+2018-01-31	19	0	-1
+2018-01-31	20	0	-1
+2018-01-31	21	0	-1
+2018-01-31	22	0	-1
+2018-01-31	23	0	-1
+2018-01-31	24	0	-1
+2018-01-31	25	0	-1
+2018-01-31	26	0	-1
+2018-01-31	27	0	-1
+2018-01-31	28	0	-1
+2018-01-31	29	0	-1
+2018-01-31	30	0	-1
+2018-01-31	31	0	-1
+2018-01-31	32	0	-1
+2018-01-31	95	0	1
+2018-01-31	96	0	1
+2018-01-31	97	0	1
+2018-01-31	98	0	1
+2018-01-31	99	0	1
+2018-01-31	100	0	1
+2018-01-31	101	0	1
+2018-01-31	102	0	1
+2018-01-31	103	0	1
+2018-01-31	104	0	1
+2018-01-31	105	0	1
+2018-01-31	106	0	1
+2018-01-31	107	0	1
+2018-01-31	108	0	1
+2018-01-31	109	0	1
+2018-01-31	110	0	1
+2018-01-31	111	0	1
+2018-01-31	112	0	1
+2018-01-31	113	0	1
+2018-01-31	114	0	1
+2018-01-31	115	0	1
+2018-01-31	116	0	1
+2018-01-31	117	0	1
+2018-01-31	118	0	1
+2018-01-31	119	0	1
+2018-01-31	120	0	1
+2018-01-31	121	0	1
+2018-01-31	122	0	1
+2018-01-31	123	0	1
+2018-01-31	124	0	1
+2018-01-31	125	0	1
+2018-01-31	126	0	1
+2018-01-31	127	0	1
 table with 2 blocks optimized
 2018-01-31	0	0	-1
 2018-01-31	127	0	1
diff --git a/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.sql b/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.sql
index 541de5bac19..3b5d7adb4ea 100644
--- a/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.sql
+++ b/dbms/tests/queries/0_stateless/00564_versioned_collapsing_merge_tree.sql
@@ -92,7 +92,112 @@ create table test.mult_tab (date Date, value UInt64, version UInt64, sign Int8)
 insert into test.mult_tab select '2018-01-31', number, 0, if(number < 64, 1, -1) from system.numbers limit 128;
 insert into test.mult_tab select '2018-01-31', number, 0, if(number < 64, -1, 1) from system.numbers limit 128;
 select 'table with 2 blocks final';
-select * from test.mult_tab final settings max_block_size=32;
+select * from test.mult_tab final settings max_block_size=33;
 optimize table test.mult_tab;
 select 'table with 2 blocks optimized';
 select * from test.mult_tab;
+
+select '#########################';
+select 'Vertival merge';
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+select 'table with 2 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 2 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, value, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+select 'table with 2 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 2 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, value, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
+select 'table with 2 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 2 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, value, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 2, -1, 1) from system.numbers limit 10;
+select 'table with 2 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 2 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, value, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
+select 'table with 4 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 4 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, value, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 3 = 0, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 3 = 1, 1, -1) from system.numbers limit 10;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 1, if(number % 3 = 2, 1, -1) from system.numbers limit 10;
+select 'table with 5 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 5 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value String, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, value, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, 1, -1) from system.numbers limit 1000000;
+insert into test.mult_tab select '2018-01-31', 'str_' || toString(number), 0, if(number % 2, -1, 1) from system.numbers limit 1000000;
+select 'table with 2 blocks final';
+select * from test.mult_tab final;
+optimize table test.mult_tab;
+select 'table with 2 blocks optimized';
+select * from test.mult_tab;
+
+select '#########################';
+
+drop table if exists test.mult_tab;
+create table test.mult_tab (date Date, value UInt64, version UInt64, sign Int8) engine = VersionedCollapsingMergeTree(sign, version) order by (date, version) settings enable_vertical_merge_algorithm = 1, vertical_merge_algorithm_min_rows_to_activate = 1, vertical_merge_algorithm_min_columns_to_activate = 0;
+insert into test.mult_tab select '2018-01-31', number, 0, if(number < 64, 1, -1) from system.numbers limit 128;
+insert into test.mult_tab select '2018-01-31', number, 0, if(number < 64, -1, 1) from system.numbers limit 128;
+select 'table with 2 blocks final';
+select * from test.mult_tab final settings max_block_size=33;
+optimize table test.mult_tab;
+select 'table with 2 blocks optimized';
+select * from test.mult_tab;
+
+