mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-02 12:32:04 +00:00
26 lines
1.2 KiB
SQL
26 lines
1.2 KiB
SQL
-- Tags: long
|
|
|
|
set allow_experimental_dynamic_type = 1;
|
|
set max_block_size = 1000;
|
|
|
|
drop table if exists test;
|
|
|
|
create table test (d Dynamic) engine=MergeTree order by tuple();
|
|
insert into test select multiIf(number < 1000, NULL::Dynamic(max_types=1), number < 3000, range(number % 5)::Dynamic(max_types=1), number::Dynamic(max_types=1)) from numbers(100000);
|
|
select '1';
|
|
select distinct dynamicType(d) as type, isDynamicElementInSharedData(d) as flag from test order by type;
|
|
|
|
drop table test;
|
|
create table test (d Dynamic(max_types=1)) engine=MergeTree order by tuple();
|
|
insert into test select multiIf(number < 1000, NULL::Dynamic(max_types=1), number < 3000, range(number % 5)::Dynamic(max_types=1), number::Dynamic(max_types=1)) from numbers(100000);
|
|
select '2';
|
|
select distinct dynamicType(d) as type, isDynamicElementInSharedData(d) as flag from test order by type;
|
|
|
|
truncate table test;
|
|
insert into test select multiIf(number < 1000, 'Str'::Dynamic(max_types=1), number < 3000, range(number % 5)::Dynamic(max_types=1), number::Dynamic(max_types=1)) from numbers(100000);
|
|
select '3';
|
|
select distinct dynamicType(d) as type, isDynamicElementInSharedData(d) as flag from test order by type;
|
|
|
|
drop table test;
|
|
|