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fix assertion with transform_null_in

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This commit is contained in:
Anton Popov 2020-10-07 18:36:34 +03:00
parent 403a5320f5
commit cc451e41f5
3 changed files with 34 additions and 8 deletions
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24
src/Interpreters/ActionsVisitor.cpp
View File

@ -74,7 +74,7 @@ static size_t getTypeDepth(const DataTypePtr & type)
}
template<typename Collection>
static Block createBlockFromCollection(const Collection & collection, const DataTypes & types, const Context & context)
static Block createBlockFromCollection(const Collection & collection, const DataTypes & types, bool transform_null_in)
{
size_t columns_num = types.size();
MutableColumns columns(columns_num);
@ -87,7 +87,8 @@ static Block createBlockFromCollection(const Collection & collection, const Data
if (columns_num == 1)
{
auto field = convertFieldToType(value, *types[0]);
if (!field.isNull() || context.getSettingsRef().transform_null_in)
bool need_insert_null = transform_null_in && types[0]->isNullable();
if (!field.isNull() || need_insert_null)
columns[0]->insert(std::move(field));
}
else
@ -110,7 +111,8 @@ static Block createBlockFromCollection(const Collection & collection, const Data
for (; i < tuple_size; ++i)
{
tuple_values[i] = convertFieldToType(tuple[i], *types[i]);
if (tuple_values[i].isNull() && !context.getSettingsRef().transform_null_in)
bool need_insert_null = transform_null_in && types[i]->isNullable();
if (tuple_values[i].isNull() && !need_insert_null)
break;
}
@ -155,6 +157,7 @@ static Block createBlockFromAST(const ASTPtr & node, const DataTypes & types, co
DataTypePtr tuple_type;
Row tuple_values;
const auto & list = node->as<ASTExpressionList &>();
bool transform_null_in = context.getSettingsRef().transform_null_in;
for (const auto & elem : list.children)
{
if (num_columns == 1)
@ -162,8 +165,9 @@ static Block createBlockFromAST(const ASTPtr & node, const DataTypes & types, co
/// One column at the left of IN.
Field value = extractValueFromNode(elem, *types[0], context);
bool need_insert_null = transform_null_in && types[0]->isNullable();
if (!value.isNull() || context.getSettingsRef().transform_null_in)
if (!value.isNull() || need_insert_null)
columns[0]->insert(value);
}
else if (elem->as<ASTFunction>() || elem->as<ASTLiteral>())
@ -217,9 +221,11 @@ static Block createBlockFromAST(const ASTPtr & node, const DataTypes & types, co
Field value = tuple ? convertFieldToType((*tuple)[i], *types[i])
: extractValueFromNode(func->arguments->children[i], *types[i], context);
bool need_insert_null = transform_null_in && types[i]->isNullable();
/// If at least one of the elements of the tuple has an impossible (outside the range of the type) value,
/// then the entire tuple too.
if (value.isNull() && !context.getSettings().transform_null_in)
if (value.isNull() && !need_insert_null)
break;
tuple_values[i] = value;
@ -254,20 +260,22 @@ Block createBlockForSet(
};
Block block;
bool tranform_null_in = context.getSettingsRef().transform_null_in;
/// 1 in 1; (1, 2) in (1, 2); identity(tuple(tuple(tuple(1)))) in tuple(tuple(tuple(1))); etc.
if (left_type_depth == right_type_depth)
{
Array array{right_arg_value};
block = createBlockFromCollection(array, set_element_types, context);
block = createBlockFromCollection(array, set_element_types, tranform_null_in);
}
/// 1 in (1, 2); (1, 2) in ((1, 2), (3, 4)); etc.
else if (left_type_depth + 1 == right_type_depth)
{
auto type_index = right_arg_type->getTypeId();
if (type_index == TypeIndex::Tuple)
block = createBlockFromCollection(DB::get<const Tuple &>(right_arg_value), set_element_types, context);
block = createBlockFromCollection(DB::get<const Tuple &>(right_arg_value), set_element_types, tranform_null_in);
else if (type_index == TypeIndex::Array)
block = createBlockFromCollection(DB::get<const Array &>(right_arg_value), set_element_types, context);
block = createBlockFromCollection(DB::get<const Array &>(right_arg_value), set_element_types, tranform_null_in);
else
throw_unsupported_type(right_arg_type);
}

8
tests/queries/0_stateless/01507_transform_null_in.refernce Normal file
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@ -0,0 +1,8 @@
1
0
1
1
0
0
1
1

10
tests/queries/0_stateless/01507_transform_null_in.sql Normal file
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@ -0,0 +1,10 @@
SET transform_null_in = 1;
SELECT NULL IN NULL;
SELECT 1 IN NULL;
SELECT 1 IN (1, NULL);
SELECT 1 IN tuple(1, NULL);
SELECT (1, 2) IN (1, NULL);
SELECT (1, 2) IN tuple(1, NULL);
SELECT (1, 2) IN ((1, NULL), (1, 2));
SELECT (1, NULL) IN (1, NULL);