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Allow shard pruning with IN literal
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parent
78fca8f8fa
commit
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@ -224,24 +224,28 @@ namespace
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}
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}
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}
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else if (const auto * tuple_literal = right->as<ASTLiteral>();
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tuple_literal && tuple_literal->value.getType() == Field::Types::Tuple)
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else if (const auto * tuple_literal = right->as<ASTLiteral>(); tuple_literal)
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{
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const auto & tuple = tuple_literal->value.get<const Tuple &>();
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for (const auto & child : tuple)
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if (tuple_literal->value.getType() == Field::Types::Tuple)
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{
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const auto dnf = analyzeEquals(identifier, child, expr);
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if (dnf.empty())
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const auto & tuple = tuple_literal->value.get<const Tuple &>();
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for (const auto & child : tuple)
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{
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return {};
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}
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const auto dnf = analyzeEquals(identifier, child, expr);
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if (!add_dnf(dnf))
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{
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return {};
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if (dnf.empty())
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{
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return {};
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}
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if (!add_dnf(dnf))
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{
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return {};
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}
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}
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}
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else
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return analyzeEquals(identifier, tuple_literal, expr);
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}
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else
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{
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@ -12,6 +12,8 @@ WITH CAST(\'default\', \'String\') AS id_2 SELECT one.dummy, ignore(id_2) FROM s
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optimize_skip_unused_shards_rewrite_in(0,)
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0 0
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WITH CAST(\'default\', \'String\') AS id_0 SELECT one.dummy, ignore(id_0) FROM system.one WHERE dummy IN tuple(0)
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0
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0
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errors
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others
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0
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@ -81,18 +81,18 @@ select query from system.query_log where
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type = 'QueryFinish'
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order by query;
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-- not tuple
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select * from dist_01756 where dummy in (0);
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select * from dist_01756 where dummy in ('0');
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--
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-- errors
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--
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select 'errors';
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-- not tuple
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select * from dist_01756 where dummy in (0); -- { serverError 507 }
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-- optimize_skip_unused_shards does not support non-constants
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select * from dist_01756 where dummy in (select * from system.one); -- { serverError 507 }
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select * from dist_01756 where dummy in (toUInt8(0)); -- { serverError 507 }
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-- wrong type (tuple)
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select * from dist_01756 where dummy in ('0'); -- { serverError 507 }
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-- intHash64 does not accept string
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select * from dist_01756 where dummy in ('0', '2'); -- { serverError 43 }
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-- NOT IN does not supported
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@ -0,0 +1 @@
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1
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15
tests/queries/0_stateless/01901_in_literal_shard_prune.sql
Normal file
15
tests/queries/0_stateless/01901_in_literal_shard_prune.sql
Normal file
@ -0,0 +1,15 @@
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set optimize_skip_unused_shards=1;
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set force_optimize_skip_unused_shards=1;
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drop table if exists d;
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drop table if exists dp;
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create table d (i UInt8) Engine=Memory;
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create table dp as d Engine=Distributed(test_cluster_two_shards, currentDatabase(), d, i);
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insert into d values (1), (2);
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select * from dp where i in (1);
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drop table if exists d;
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drop table if exists dp;
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