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Merge pull request #6779 from proller/fix27

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CLICKHOUSE-4644 function arrayEnumerateUniqRanked: fix for empty arrays
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alexey-milovidov 2019-09-02 21:40:35 +03:00 committed by GitHub
commit f180f7dd3d
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3 changed files with 17 additions and 1 deletions
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4
dbms/src/Functions/array/arrayEnumerateRanked.h
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@ -336,7 +336,9 @@ void FunctionArrayEnumerateRankedExtended<Derived>::executeMethodImpl(
/// Skipping offsets if no data in this array
if (prev_off == off)
{
want_clear = true;
if (depth_to_look > 2)
want_clear = true;
if (depth_to_look >= 2)
{

6
dbms/tests/queries/0_stateless/00909_arrayEnumerateUniq.reference
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@ -278,3 +278,9 @@ a1,a2 12 [1,2]
1 2019-06-06 1 4 2 1 5 1 [1,2] [1001,1002] [1,1]
1 2019-06-06 1 4 2 1 5 0 [1,2] [1002,1003] [1,1]
1 2019-06-06 1 4 2 1 6 0 [3] [2001] [1]
-- empty
[[1],[],[2]]
[[1],[],[2]]
[[1],[],[2],[],[3],[],[4],[],[5],[],[6],[],[7],[],[8],[],[9]]
[[],[1],[],[2],[],[3],[],[4],[],[5],[],[6],[],[7],[],[8]]
[[1],[2],[],[3]]

8
dbms/tests/queries/0_stateless/00909_arrayEnumerateUniq.sql
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@ -305,3 +305,11 @@ ARRAY JOIN
Test.PuidVal AS PuidValArr;
DROP TABLE arr_tests_visits;
select '-- empty';
SELECT arrayEnumerateUniqRanked([['a'], [], ['a']]);
SELECT arrayEnumerateUniqRanked([[1], [], [1]]);
SELECT arrayEnumerateUniqRanked([[1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1]]);
SELECT arrayEnumerateUniqRanked([[], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1]]);
SELECT arrayEnumerateUniqRanked([[1], [1], [], [1]]);