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16 lines
608 B
SQL
16 lines
608 B
SQL
drop table if exists test_join;
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create table test_join (date Date, id Int32, name Nullable(String)) engine = MergeTree partition by date order by id;
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insert into test_join values ('2019-01-01', 1, 'a');
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insert into test_join values ('2019-01-01', 2, 'b');
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insert into test_join values ('2019-01-01', 3, 'c');
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insert into test_join values ('2019-01-01', 1, null);
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SELECT id, date, name FROM (SELECT id, date, name FROM test_join GROUP BY id, name, date) js1
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FULL OUTER JOIN (SELECT id, date, name FROM test_join GROUP BY id, name, date) js2
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USING (id, name, date)
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ORDER BY id, name;
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drop table test_join;
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