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fix mistake in MergeTreeDataSelectExecutor

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This commit is contained in:
CurtizJ 2020-02-19 00:00:51 +03:00
parent 90a121cc1e
commit dea444b69c
3 changed files with 9 additions and 1 deletions
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2
dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
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@ -912,7 +912,7 @@ Pipes MergeTreeDataSelectExecutor::spreadMarkRangesAmongStreamsWithOrder(
RangesInDataPart part = parts.back();
parts.pop_back();
size_t & marks_in_part = sum_marks_in_parts.front();
size_t & marks_in_part = sum_marks_in_parts.back();
/// We will not take too few rows from a part.
if (marks_in_part >= min_marks_for_concurrent_read &&

1
dbms/tests/queries/0_stateless/01079_order_by_pk.reference Normal file
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@ -0,0 +1 @@
10000000

7
dbms/tests/queries/0_stateless/01079_order_by_pk.sql Normal file
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@ -0,0 +1,7 @@
DROP TABLE IF EXISTS mt_pk;
CREATE TABLE mt_pk ENGINE = MergeTree PARTITION BY d ORDER BY x
AS SELECT toDate(number % 32) AS d, number AS x FROM system.numbers LIMIT 10000010;
SELECT x FROM mt_pk ORDER BY x ASC LIMIT 10000000, 1;
DROP TABLE mt_pk;