2019-04-16 14:13:13 +00:00
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drop table if exists lc_lambda;
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create table lc_lambda (arr Array(LowCardinality(UInt64))) engine = Memory;
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insert into lc_lambda select range(number) from system.numbers limit 10;
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select arrayFilter(x -> x % 2 == 0, arr) from lc_lambda;
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drop table if exists lc_lambda;
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2018-11-22 15:52:26 +00:00
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2020-05-25 19:22:03 +00:00
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drop table if exists test_array;
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CREATE TABLE test_array(resources_host Array(LowCardinality(String))) ENGINE = MergeTree() ORDER BY (resources_host);
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insert into test_array values (['a']);
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SELECT arrayMap(i -> [resources_host[i]], arrayEnumerate(resources_host)) FROM test_array;
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drop table if exists test_array;
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