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22 lines
690 B
MySQL
22 lines
690 B
MySQL
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DROP TABLE IF EXISTS t_nested_modify;
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CREATE TABLE t_nested_modify (id UInt64, `n.a` Array(UInt32), `n.b` Array(String))
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ENGINE = MergeTree ORDER BY id
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SETTINGS min_bytes_for_wide_part = 0;
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INSERT INTO t_nested_modify VALUES (1, [2], ['aa']);
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INSERT INTO t_nested_modify VALUES (2, [44, 55], ['bb', 'cc']);
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SELECT id, `n.a`, `n.b`, toTypeName(`n.b`) FROM t_nested_modify ORDER BY id;
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ALTER TABLE t_nested_modify MODIFY COLUMN `n.b` String;
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SELECT id, `n.a`, `n.b`, toTypeName(`n.b`) FROM t_nested_modify ORDER BY id;
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DETACH TABLE t_nested_modify;
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ATTACH TABLE t_nested_modify;
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SELECT id, `n.a`, `n.b`, toTypeName(`n.b`) FROM t_nested_modify ORDER BY id;
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DROP TABLE t_nested_modify;
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