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CLICKHOUSE-4652 Another fix for АrrayEnumerateUniqRanked with empty arrays

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This commit is contained in:
proller 2019-09-12 22:38:34 +03:00
parent 45982253cd
commit 8ce32897fa
3 changed files with 7 additions and 0 deletions
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1
dbms/src/Functions/array/arrayEnumerateRanked.h
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@ -357,6 +357,7 @@ void FunctionArrayEnumerateRankedExtended<Derived>::executeMethodImpl(
{
last_offset_by_depth[depth] = (*offsets_by_depth[depth])[current_offset_n_by_depth[depth]];
++current_offset_n_by_depth[depth];
want_clear = true;
}
else
{

3
dbms/tests/queries/0_stateless/00909_arrayEnumerateUniq.reference
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@ -284,3 +284,6 @@ a1,a2 12 [1,2]
[[1],[],[2],[],[3],[],[4],[],[5],[],[6],[],[7],[],[8],[],[9]]
[[],[1],[],[2],[],[3],[],[4],[],[5],[],[6],[],[7],[],[8]]
[[1],[2],[],[3]]
-- empty corner
[[],[1],[]] [[],[1],[]]
[[1]] [[1]]

3
dbms/tests/queries/0_stateless/00909_arrayEnumerateUniq.sql
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@ -313,3 +313,6 @@ 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]]);
select '-- empty corner';
SELECT a, arrayEnumerateUniqRanked(a) FROM ( SELECT * FROM ( SELECT [[],[1],[]] AS a UNION ALL SELECT [[1]] AS a ) ORDER BY a ASC );