mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 23:52:03 +00:00
38 lines
2.2 KiB
MySQL
38 lines
2.2 KiB
MySQL
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create database if not exists test;
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drop table if exists test.test_ins_arr;
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create table test.test_ins_arr (date Date, val Array(UInt64)) engine = MergeTree(date, (date), 8192);
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insert into test.test_ins_arr select toDate('2017-10-02'), [number, 42] from system.numbers limit 10000;
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select * from test.test_ins_arr limit 10;
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drop table test.test_ins_arr;
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drop table if exists test.test_ins_null;
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create table test.test_ins_null (date Date, val Nullable(UInt64)) engine = MergeTree(date, (date), 8192);
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insert into test.test_ins_null select toDate('2017-10-02'), if(number % 2, number, Null) from system.numbers limit 10000;
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select * from test.test_ins_null limit 10;
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drop table test.test_ins_null;
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drop table if exists test.test_ins_arr_null;
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create table test.test_ins_arr_null (date Date, val Array(Nullable(UInt64))) engine = MergeTree(date, (date), 8192);
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insert into test.test_ins_arr_null select toDate('2017-10-02'), [if(number % 2, number, Null), number, Null] from system.numbers limit 10000;
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select * from test.test_ins_arr_null limit 10;
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drop table test.test_ins_arr_null;
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drop table if exists test.test_ins_arr_arr;
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create table test.test_ins_arr_arr (date Date, val Array(Array(UInt64))) engine = MergeTree(date, (date), 8192);
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insert into test.test_ins_arr_arr select toDate('2017-10-02'), [[number],[number + 1, number + 2]] from system.numbers limit 10000;
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select * from test.test_ins_arr_arr limit 10;
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drop table test.test_ins_arr_arr;
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drop table if exists test.test_ins_arr_arr_null;
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create table test.test_ins_arr_arr_null (date Date, val Array(Array(Nullable(UInt64)))) engine = MergeTree(date, (date), 8192);
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insert into test.test_ins_arr_arr_null select toDate('2017-10-02'), [[1, Null, number], [3, Null, number]] from system.numbers limit 10000;
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select * from test.test_ins_arr_arr_null limit 10;
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drop table test.test_ins_arr_arr_null;
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drop table if exists test.test_ins_arr_arr_arr;
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create table test.test_ins_arr_arr_arr (date Date, val Array(Array(Array(UInt64)))) engine = MergeTree(date, (date), 8192);
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insert into test.test_ins_arr_arr_arr select toDate('2017-10-02'), [[[number]],[[number + 1], [number + 2, number + 3]]] from system.numbers limit 10000;
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select * from test.test_ins_arr_arr_arr limit 10;
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drop table test.test_ins_arr_arr_arr;
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