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25 lines
952 B
MySQL
25 lines
952 B
MySQL
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drop table if exists aliases_test;
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create table aliases_test (date default today(), id default rand(), array default [0, 1, 2]) engine=MergeTree(date, id, 1);
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insert into aliases_test (id) values (0);
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select array from aliases_test;
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alter table aliases_test modify column array alias [0, 1, 2];
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select array from aliases_test;
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alter table aliases_test modify column array default [0, 1, 2];
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select array from aliases_test;
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alter table aliases_test add column struct.key default [0, 1, 2], add column struct.value default array;
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select struct.key, struct.value from aliases_test;
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alter table aliases_test modify column struct.value alias array;
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select struct.key, struct.value from aliases_test;
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select struct.key, struct.value from aliases_test array join struct;
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select struct.key, struct.value from aliases_test array join struct as struct;
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select class.key, class.value from aliases_test array join struct as class;
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drop table aliases_test;
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