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Fix usage of columns from header in SummingSortedBlockInputStream. #2273

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This commit is contained in:
Nikolai Kochetov 2018-05-14 13:48:50 +03:00
parent d57c118fdf
commit 6ba8cb922c
3 changed files with 30 additions and 1 deletions
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2
dbms/src/DataStreams/SummingSortedBlockInputStream.cpp
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@ -263,7 +263,7 @@ Block SummingSortedBlockInputStream::readImpl()
size_t tuple_size = desc.column_numbers.size();
MutableColumns tuple_columns(tuple_size);
for (size_t i = 0; i < tuple_size; ++i)
tuple_columns[i] = header.safeGetByPosition(desc.column_numbers[i]).column->assumeMutable();
tuple_columns[i] = header.safeGetByPosition(desc.column_numbers[i]).column->cloneEmpty();
desc.merged_column = ColumnTuple::create(std::move(tuple_columns));
}

0
dbms/tests/queries/0_stateless/00625_summing_merge_tree_merge.reference Normal file
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29
dbms/tests/queries/0_stateless/00625_summing_merge_tree_merge.sql Normal file
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@ -0,0 +1,29 @@
DROP TABLE IF EXISTS test.tab ;
CREATE TABLE test.tab
(
date Date,
key UInt32,
testMap Nested(
k UInt16,
v UInt64)
)
ENGINE = SummingMergeTree(date, (date, key), 1);
INSERT INTO test.tab SELECT
today(),
number,
[toUInt16(number)],
[number]
FROM system.numbers
LIMIT 8190;
INSERT INTO test.tab SELECT
today(),
number + 8190,
[toUInt16(number)],
[number + 8190]
FROM system.numbers
LIMIT 10;
OPTIMIZE TABLE test.tab;