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add test for mutations with TTL

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This commit is contained in:
CurtizJ 2020-02-19 20:18:12 +03:00
parent b0f7905567
commit 803d9da496
4 changed files with 63 additions and 1 deletions
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7
dbms/src/Interpreters/MutationsInterpreter.cpp
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@ -425,6 +425,13 @@ ASTPtr MutationsInterpreter::prepare(bool dry_run)
if (dependency.kind == ColumnDependency::SKIP_INDEX)
dependencies.insert(dependency);
}
if (dependencies.empty())
{
/// Very rare case. It can happen if we have only one MOVE TTL with constant expression.
/// But we still have to read at least one column.
dependencies.emplace(all_columns.front().name, ColumnDependency::TTL_EXPRESSION);
}
}
}
else

2
dbms/src/Storages/MergeTree/MergeTreeDataMergerMutator.cpp
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@ -1167,7 +1167,7 @@ MergeTreeData::MutableDataPartPtr MergeTreeDataMergerMutator::mutatePartToTempor
new_data_part->checksums = source_part->checksums;
new_data_part->checksums.add(std::move(changed_checksums));
if (need_remove_expired_values && !new_data_part->ttl_infos.empty())
if (need_remove_expired_values)
{
/// Write a file with ttl infos in json format.
WriteBufferFromFile out_ttl(new_part_tmp_path + "ttl.txt", 4096);

11
dbms/tests/queries/0_stateless/01070_mutations_with_dependencies.reference Normal file
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@ -0,0 +1,11 @@
1 1 a
2 1 b
3 1 c
4 1 d
1 1 a
3 1 c
===================
4
2
2
1 2 42 2000-01-01

44
dbms/tests/queries/0_stateless/01070_mutations_with_dependencies.sql Normal file
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@ -0,0 +1,44 @@
drop table if exists ttl;
set mutations_sync = 2;
-- check that ttl info was updated after mutation.
create table ttl (i Int, a Int, s String) engine = MergeTree order by i;
insert into ttl values (1, 1, 'a') (2, 1, 'b') (3, 1, 'c') (4, 1, 'd');
alter table ttl modify ttl a % 2 = 0 ? today() - 10 : toDate('2100-01-01');
alter table ttl materialize ttl;
select * from ttl order by i;
alter table ttl update a = 0 where i % 2 = 0;
select * from ttl order by i;
drop table ttl;
select '===================';
-- check that skip index is updated after column was modified by ttl.
create table ttl (i Int, a Int, s String default 'b' ttl a % 2 = 0 ? today() - 10 : toDate('2100-01-01'),
index ind_s (s) type set(1) granularity 1) engine = MergeTree order by i;
insert into ttl values (1, 1, 'a') (2, 1, 'a') (3, 1, 'a') (4, 1, 'a');
select count() from ttl where s = 'a';
alter table ttl update a = 0 where i % 2 = 0;
select count() from ttl where s = 'a';
select count() from ttl where s = 'b';
drop table ttl;
-- check only that it doesn't throws exceptions.
create table ttl (i Int, s String) engine = MergeTree order by i ttl toDate('2000-01-01') TO DISK 'default';
alter table ttl materialize ttl;
drop table ttl;
create table ttl (a Int, b Int, c Int default 42 ttl d, d Date, index ind (b * c) type minmax granularity 1)
engine = MergeTree order by a;
insert into ttl values (1, 2, 3, '2100-01-01');
alter table ttl update d = '2000-01-01' where 1;
alter table ttl materialize ttl;
select * from ttl;
drop table ttl;