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Merge pull request #30877 from amosbird/projection-fix22

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Fix invalid header in projection block calculation
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alexey-milovidov 2021-10-31 16:30:02 +03:00 committed by GitHub
commit 1285d3bd8c
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3 changed files with 12 additions and 1 deletions
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2
src/Storages/ProjectionsDescription.cpp
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@ -237,7 +237,7 @@ Block ProjectionDescription::calculate(const Block & block, ContextPtr context)
auto builder = InterpreterSelectQuery(
query_ast,
context,
Pipe(std::make_shared<SourceFromSingleChunk>(block, Chunk(block.getColumns(), block.rows()))),
Pipe(std::make_shared<SourceFromSingleChunk>(block)),
SelectQueryOptions{
type == ProjectionDescription::Type::Normal ? QueryProcessingStage::FetchColumns
: QueryProcessingStage::WithMergeableState})

0
tests/queries/0_stateless/01710_aggregate_projection_with_hashing.reference Normal file
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11
tests/queries/0_stateless/01710_aggregate_projection_with_hashing.sql Normal file
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@ -0,0 +1,11 @@
set allow_experimental_projection_optimization = 1, force_optimize_projection = 1;
drop table if exists tp;
create table tp (type Int32, device UUID, cnt UInt64) engine = MergeTree order by (type, device);
insert into tp select number%3, generateUUIDv4(), 1 from numbers(300);
alter table tp add projection uniq_city_proj ( select type, uniq(cityHash64(device)), sum(cnt) group by type );
alter table tp materialize projection uniq_city_proj settings mutations_sync = 1;
drop table tp;