2018-06-28 15:11:05 +00:00
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drop table if exists test.tab;
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create table test.tab (val UInt32, n Nested(x UInt8, y String)) engine = Memory;
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insert into test.tab values (1, [1, 2, 1, 1, 2, 1], ['a', 'a', 'b', 'a', 'b', 'b']);
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select arrayEnumerateUniq(n.x) from test.tab;
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select arrayEnumerateUniq(n.y) from test.tab;
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select arrayEnumerateUniq(n.x, n.y) from test.tab;
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select arrayEnumerateUniq(arrayMap((a, b) -> (a, b), n.x, n.y)) from test.tab;
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select arrayEnumerateUniq(arrayMap((a, b) -> (a, b), n.x, n.y), n.x) from test.tab;
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select arrayEnumerateUniq(arrayMap((a, b) -> (a, b), n.x, n.y), arrayMap((a, b) -> (b, a), n.x, n.y)) from test.tab;
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drop table test.tab;
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create table test.tab (val UInt32, n Nested(x Nullable(UInt8), y String)) engine = Memory;
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insert into test.tab values (1, [1, Null, 2, 1, 1, 2, 1, Null, Null], ['a', 'a', 'a', 'b', 'a', 'b', 'b', 'b', 'a']);
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select arrayEnumerateUniq(n.x) from test.tab;
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select arrayEnumerateUniq(n.y) from test.tab;
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select arrayEnumerateUniq(n.x, n.y) from test.tab;
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select arrayEnumerateUniq(arrayMap((a, b) -> (a, b), n.x, n.y)) from test.tab;
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select arrayEnumerateUniq(arrayMap((a, b) -> (a, b), n.x, n.y), n.x) from test.tab;
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select arrayEnumerateUniq(arrayMap((a, b) -> (a, b), n.x, n.y), arrayMap((a, b) -> (b, a), n.x, n.y)) from test.tab;
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2019-04-11 17:20:36 +00:00
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drop table test.tab;
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