*** Check SHOW CREATE TABLE ***
CREATE TABLE test.alter_column (`x` UInt32, `y` Int32) ENGINE = MergeTree PARTITION BY x ORDER BY x SETTINGS index_granularity = 8192
*** Check parts ***
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*** Check SHOW CREATE TABLE after ALTER MODIFY ***
CREATE TABLE test.alter_column (`x` UInt32, `y` Int64) ENGINE = MergeTree PARTITION BY x ORDER BY x SETTINGS index_granularity = 8192
*** Check parts after ALTER MODIFY ***
0	0
10	-10
11	-11
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13	-13
14	-14
15	-15
16	-16
17	-17
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19	-19
1	-1
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21	-21
22	-22
23	-23
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25	-25
26	-26
27	-27
28	-28
29	-29
2	-2
30	-30
31	-31
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33	-33
34	-34
35	-35
36	-36
37	-37
38	-38
39	-39
3	-3
40	-40
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43	-43
44	-44
45	-45
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8	-8
90	-90
91	-91
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93	-93
94	-94
95	-95
96	-96
97	-97
98	-98
99	-99
9	-9