2021-01-13 12:42:30 +00:00
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drop table if exists perf_lc_num;
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CREATE TABLE perf_lc_num( num UInt8, arr Array(LowCardinality(Int64)) default [num] ) ENGINE = TinyLog;
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INSERT INTO perf_lc_num (num) SELECT toUInt8(number) FROM numbers(10000000);
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select sum(length(arr)) from perf_lc_num;
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select sum(length(arr)), sum(num) from perf_lc_num;
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INSERT INTO perf_lc_num (num) SELECT toUInt8(number) FROM numbers(10000000);
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select sum(length(arr)) from perf_lc_num;
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select sum(length(arr)), sum(num) from perf_lc_num;
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drop table if exists perf_lc_num;
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2021-01-13 13:29:39 +00:00
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CREATE TABLE perf_lc_num( num UInt8, arr Array(LowCardinality(Int64)) default [num] ) ENGINE = Log;
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INSERT INTO perf_lc_num (num) SELECT toUInt8(number) FROM numbers(10000000);
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select sum(length(arr)) from perf_lc_num;
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select sum(length(arr)), sum(num) from perf_lc_num;
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INSERT INTO perf_lc_num (num) SELECT toUInt8(number) FROM numbers(10000000);
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select sum(length(arr)) from perf_lc_num;
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select sum(length(arr)), sum(num) from perf_lc_num;
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drop table if exists perf_lc_num;
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CREATE TABLE perf_lc_num( num UInt8, arr Array(LowCardinality(Int64)) default [num] ) ENGINE = StripeLog;
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INSERT INTO perf_lc_num (num) SELECT toUInt8(number) FROM numbers(10000000);
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select sum(length(arr)) from perf_lc_num;
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select sum(length(arr)), sum(num) from perf_lc_num;
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INSERT INTO perf_lc_num (num) SELECT toUInt8(number) FROM numbers(10000000);
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select sum(length(arr)) from perf_lc_num;
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select sum(length(arr)), sum(num) from perf_lc_num;
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drop table if exists perf_lc_num;
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