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Merge pull request #70623 from ClickHouse/backport/24.8/70264

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Backport #70264 to 24.8: Fix segfault on creating materialized view with intersect
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Nikita Taranov 2024-10-14 19:07:56 +02:00 committed by GitHub
commit 4bdf94f150
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3 changed files with 9 additions and 5 deletions
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13
src/Storages/SelectQueryDescription.cpp
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@ -100,17 +100,20 @@ void checkAllowedQueries(const ASTSelectQuery & query)
/// check if only one single select query in SelectWithUnionQuery
static bool isSingleSelect(const ASTPtr & select, ASTPtr & res)
{
auto new_select = select->as<ASTSelectWithUnionQuery &>();
if (new_select.list_of_selects->children.size() != 1)
auto * new_select = select->as<ASTSelectWithUnionQuery>();
if (new_select == nullptr)
return false;
auto & new_inner_query = new_select.list_of_selects->children.at(0);
if (new_select->list_of_selects->children.size() != 1)
return false;
auto & new_inner_query = new_select->list_of_selects->children.at(0);
if (new_inner_query->as<ASTSelectQuery>())
{
res = new_inner_query;
return true;
}
else
return isSingleSelect(new_inner_query, res);
return isSingleSelect(new_inner_query, res);
}
SelectQueryDescription SelectQueryDescription::getSelectQueryFromASTForMatView(const ASTPtr & select, bool refreshable, ContextPtr context)

0
tests/queries/0_stateless/03247_materialized_view_select_intersect.reference Normal file
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1
tests/queries/0_stateless/03247_materialized_view_select_intersect.sql Normal file
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@ -0,0 +1 @@
CREATE MATERIALIZED VIEW v0 AS (SELECT 1) INTERSECT (SELECT 1); --{serverError QUERY_IS_NOT_SUPPORTED_IN_MATERIALIZED_VIEW}