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Allow to execute subquery with scalar aggregate function state.

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This commit is contained in:
Nikolai Kochetov 2019-02-11 18:50:52 +03:00
parent d4ba5432b3
commit 0a6f75a1b6
1 changed files with 0 additions and 10 deletions
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10
dbms/src/Interpreters/ExecuteScalarSubqueriesVisitor.cpp
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@ -109,11 +109,6 @@ void ExecuteScalarSubqueriesMatcher::visit(const ASTSubquery & subquery, ASTPtr
size_t columns = block.columns();
if (columns == 1)
{
if (typeid_cast<const DataTypeAggregateFunction*>(block.safeGetByPosition(0).type.get()))
{
throw Exception("Scalar subquery can't return an aggregate function state", ErrorCodes::INCORRECT_RESULT_OF_SCALAR_SUBQUERY);
}
auto lit = std::make_unique<ASTLiteral>((*block.safeGetByPosition(0).column)[0]);
lit->alias = subquery.alias;
lit->prefer_alias_to_column_name = subquery.prefer_alias_to_column_name;
@ -132,11 +127,6 @@ void ExecuteScalarSubqueriesMatcher::visit(const ASTSubquery & subquery, ASTPtr
exp_list->children.resize(columns);
for (size_t i = 0; i < columns; ++i)
{
if (typeid_cast<const DataTypeAggregateFunction*>(block.safeGetByPosition(i).type.get()))
{
throw Exception("Scalar subquery can't return an aggregate function state", ErrorCodes::INCORRECT_RESULT_OF_SCALAR_SUBQUERY);
}
exp_list->children[i] = addTypeConversion(
std::make_unique<ASTLiteral>((*block.safeGetByPosition(i).column)[0]),
block.safeGetByPosition(i).type->getName());