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cleanup

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This commit is contained in:
Alexander Kuzmenkov 2021-02-03 16:41:59 +03:00
parent bd6d7facf1
commit 7c55ecf67d
3 changed files with 6 additions and 1 deletions
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2
src/Processors/Transforms/WindowTransform.h
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@ -246,7 +246,7 @@ public:
// Boundaries of the current partition.
// partition_start doesn't point to a valid block, because we want to drop
// the blocks early to save memory. We still have track it so that we can
// the blocks early to save memory. We still have to track it so that we can
// cut off a PRECEDING frame at the partition start.
// The `partition_end` is past-the-end, as usual. When
// partition_ended = false, it still haven't ended, and partition_end is the

3
tests/queries/0_stateless/01591_window_functions.reference
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@ -565,3 +565,6 @@ SELECT count(*) OVER (ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) FROM numbers(4);
3
-- seen a use-after-free under MSan in this query once
SELECT number, max(number) OVER (PARTITION BY intDiv(number, 7) ORDER BY number ASC NULLS LAST ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM numbers(1024) SETTINGS max_block_size = 2 FORMAT Null;
-- a corner case
select count() over ();
1

2
tests/queries/0_stateless/01591_window_functions.sql
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@ -180,3 +180,5 @@ SELECT count(*) OVER (ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) FROM numbers(4);
-- seen a use-after-free under MSan in this query once
SELECT number, max(number) OVER (PARTITION BY intDiv(number, 7) ORDER BY number ASC NULLS LAST ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM numbers(1024) SETTINGS max_block_size = 2 FORMAT Null;
-- a corner case
select count() over ();