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Allow shard pruning with IN literal

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This commit is contained in:
Amos Bird 2021-06-04 21:16:15 +08:00
parent 78fca8f8fa
commit fd336411ee
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GPG Key ID: 80D430DCBECFEDB4
5 changed files with 38 additions and 16 deletions
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28
src/Interpreters/evaluateConstantExpression.cpp
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@ -224,24 +224,28 @@ namespace
}
}
}
else if (const auto * tuple_literal = right->as<ASTLiteral>();
tuple_literal && tuple_literal->value.getType() == Field::Types::Tuple)
else if (const auto * tuple_literal = right->as<ASTLiteral>(); tuple_literal)
{
const auto & tuple = tuple_literal->value.get<const Tuple &>();
for (const auto & child : tuple)
if (tuple_literal->value.getType() == Field::Types::Tuple)
{
const auto dnf = analyzeEquals(identifier, child, expr);
if (dnf.empty())
const auto & tuple = tuple_literal->value.get<const Tuple &>();
for (const auto & child : tuple)
{
return {};
}
const auto dnf = analyzeEquals(identifier, child, expr);
if (!add_dnf(dnf))
{
return {};
if (dnf.empty())
{
return {};
}
if (!add_dnf(dnf))
{
return {};
}
}
}
else
return analyzeEquals(identifier, tuple_literal, expr);
}
else
{

2
tests/queries/0_stateless/01756_optimize_skip_unused_shards_rewrite_in.reference
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@ -12,6 +12,8 @@ WITH CAST(\'default\', \'String\') AS id_2 SELECT one.dummy, ignore(id_2) FROM s
optimize_skip_unused_shards_rewrite_in(0,)
0 0
WITH CAST(\'default\', \'String\') AS id_0 SELECT one.dummy, ignore(id_0) FROM system.one WHERE dummy IN tuple(0)
0
0
errors
others
0

8
tests/queries/0_stateless/01756_optimize_skip_unused_shards_rewrite_in.sql
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@ -81,18 +81,18 @@ select query from system.query_log where
type = 'QueryFinish'
order by query;
-- not tuple
select * from dist_01756 where dummy in (0);
select * from dist_01756 where dummy in ('0');
--
-- errors
--
select 'errors';
-- not tuple
select * from dist_01756 where dummy in (0); -- { serverError 507 }
-- optimize_skip_unused_shards does not support non-constants
select * from dist_01756 where dummy in (select * from system.one); -- { serverError 507 }
select * from dist_01756 where dummy in (toUInt8(0)); -- { serverError 507 }
-- wrong type (tuple)
select * from dist_01756 where dummy in ('0'); -- { serverError 507 }
-- intHash64 does not accept string
select * from dist_01756 where dummy in ('0', '2'); -- { serverError 43 }
-- NOT IN does not supported

1
tests/queries/0_stateless/01901_in_literal_shard_prune.reference Normal file
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@ -0,0 +1 @@
1

15
tests/queries/0_stateless/01901_in_literal_shard_prune.sql Normal file
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@ -0,0 +1,15 @@
set optimize_skip_unused_shards=1;
set force_optimize_skip_unused_shards=1;
drop table if exists d;
drop table if exists dp;
create table d (i UInt8) Engine=Memory;
create table dp as d Engine=Distributed(test_cluster_two_shards, currentDatabase(), d, i);
insert into d values (1), (2);
select * from dp where i in (1);
drop table if exists d;
drop table if exists dp;