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Merge pull request #70205 from ClickHouse/backport/24.9/70127

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Backport #70127 to 24.9: Fix wrong result with skipping index
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robot-clickhouse 2024-10-01 21:02:09 +02:00 committed by GitHub
commit 9a435e4c9e
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4 changed files with 24 additions and 0 deletions
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3
src/Storages/MergeTree/MergeTreeIndexSet.cpp
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@ -100,7 +100,10 @@ void MergeTreeIndexGranuleSet::deserializeBinary(ReadBuffer & istr, MergeTreeInd
size_t rows_to_read = field_rows.safeGet<size_t>(); size_t rows_to_read = field_rows.safeGet<size_t>();
if (rows_to_read == 0) if (rows_to_read == 0)
{
block.clear();
return; return;
}
size_t num_columns = block.columns(); size_t num_columns = block.columns();

2
tests/queries/0_stateless/03246_skipping_index_70108.reference Normal file
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@ -0,0 +1,2 @@
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19
tests/queries/0_stateless/03246_skipping_index_70108.sh Executable file
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@ -0,0 +1,19 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
$CLICKHOUSE_LOCAL -m "
CREATE TABLE t
(
c0 UInt64,
c1 String,
INDEX c1_idx c1 TYPE set(666) GRANULARITY 1
)
ENGINE = MergeTree
ORDER BY c0;
INSERT INTO t SELECT * FROM file('$CURDIR/data_i70108/repro.tsv.zstd');
SELECT count() FROM t WHERE c1 = 'dedenk1d4q' SETTINGS use_skip_indexes=1;
SELECT count() FROM t WHERE c1 = 'dedenk1d4q' SETTINGS use_skip_indexes=0;
"

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tests/queries/0_stateless/data_i70108/repro.tsv.zstd Normal file
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