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23 lines
593 B
SQL
23 lines
593 B
SQL
SET flatten_nested = 0;
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DROP TABLE IF EXISTS nested_table;
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CREATE TABLE nested_table (id UInt64, first Nested(a Int8, b String)) ENGINE = MergeTree() ORDER BY id;
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SHOW CREATE nested_table;
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SET flatten_nested = 1;
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ALTER TABLE nested_table ADD COLUMN second Nested(c Int8, d String) AFTER id;
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SHOW CREATE nested_table;
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SET flatten_nested = 0;
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ALTER TABLE nested_table ADD COLUMN third Nested(e Int8, f String) FIRST;
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SHOW CREATE nested_table;
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SET flatten_nested = 1;
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ALTER TABLE nested_table ADD COLUMN fourth Nested(g Int8, h String);
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SHOW CREATE nested_table;
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DROP TABLE nested_table;
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