Merge branch 'joins' into nulls

This commit is contained in:
chertus 2019-03-25 14:54:47 +03:00
commit aac69eaa2c
4 changed files with 266 additions and 250 deletions

View File

@ -120,56 +120,6 @@ Join::Type Join::chooseMethod(const ColumnRawPtrs & key_columns, Sizes & key_siz
}
template <typename Maps>
static void initImpl(Maps & maps, Join::Type type)
{
switch (type)
{
case Join::Type::EMPTY: break;
case Join::Type::CROSS: break;
#define M(TYPE) \
case Join::Type::TYPE: maps.TYPE = std::make_unique<typename decltype(maps.TYPE)::element_type>(); break;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
}
}
template <typename Maps>
static size_t getTotalRowCountImpl(const Maps & maps, Join::Type type)
{
switch (type)
{
case Join::Type::EMPTY: return 0;
case Join::Type::CROSS: return 0;
#define M(NAME) \
case Join::Type::NAME: return maps.NAME ? maps.NAME->size() : 0;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
}
__builtin_unreachable();
}
template <typename Maps>
static size_t getTotalByteCountImpl(const Maps & maps, Join::Type type)
{
switch (type)
{
case Join::Type::EMPTY: return 0;
case Join::Type::CROSS: return 0;
#define M(NAME) \
case Join::Type::NAME: return maps.NAME ? maps.NAME->getBufferSizeInBytes() : 0;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
}
__builtin_unreachable();
}
template <Join::Type type, typename Value, typename Mapped>
struct KeyGetterForTypeImpl;
@ -227,7 +177,7 @@ void Join::init(Type type_)
if (kind == ASTTableJoin::Kind::Cross)
return;
dispatch(MapInitTag());
dispatch([&](auto, auto, auto & map) { initImpl(map, type); });
dispatch([&](auto, auto, auto & map) { map.create(type); });
}
size_t Join::getTotalRowCount() const
@ -241,7 +191,7 @@ size_t Join::getTotalRowCount() const
}
else
{
dispatch([&](auto, auto, auto & map) { res += getTotalRowCountImpl(map, type); });
dispatch([&](auto, auto, auto & map) { res += map.getTotalRowCount(type); });
}
return res;
@ -258,7 +208,7 @@ size_t Join::getTotalByteCount() const
}
else
{
dispatch([&](auto, auto, auto & map) { res += getTotalByteCountImpl(map, type); });
dispatch([&](auto, auto, auto & map) { res += map.getTotalByteCountImpl(type); });
res += pool.size();
}
@ -526,160 +476,178 @@ bool Join::insertFromBlock(const Block & block)
namespace
{
template <bool fill_left, ASTTableJoin::Strictness STRICTNESS, typename Map>
struct Adder;
template <typename Map>
struct Adder<true, ASTTableJoin::Strictness::Any, Map>
class AddedColumns
{
public:
using TypeAndNames = std::vector<std::pair<decltype(ColumnWithTypeAndName::type), decltype(ColumnWithTypeAndName::name)>>;
AddedColumns(const Block & sample_block_with_columns_to_add,
const Block & block_with_columns_to_add,
const Block & block, size_t num_columns_to_skip)
{
static void addFound(const typename Map::mapped_type & mapped, size_t num_columns_to_add, MutableColumns & added_columns,
size_t i, IColumn::Filter & filter, IColumn::Offset & /*current_offset*/, IColumn::Offsets * /*offsets*/,
const std::vector<size_t> & right_indexes)
size_t num_columns_to_add = sample_block_with_columns_to_add.columns();
columns.reserve(num_columns_to_add);
type_name.reserve(num_columns_to_add);
right_indexes.reserve(num_columns_to_add);
for (size_t i = 0; i < num_columns_to_add; ++i)
{
filter[i] = 1;
const ColumnWithTypeAndName & src_column = sample_block_with_columns_to_add.safeGetByPosition(i);
for (size_t j = 0; j < num_columns_to_add; ++j)
added_columns[j]->insertFrom(*mapped.block->getByPosition(right_indexes[j]).column, mapped.row_num);
}
static void addNotFound(size_t num_columns_to_add, MutableColumns & added_columns,
size_t i, IColumn::Filter & filter, IColumn::Offset & /*current_offset*/, IColumn::Offsets * /*offsets*/)
{
filter[i] = 0;
for (size_t j = 0; j < num_columns_to_add; ++j)
added_columns[j]->insertDefault();
}
};
template <typename Map>
struct Adder<false, ASTTableJoin::Strictness::Any, Map>
{
static void addFound(const typename Map::mapped_type & mapped, size_t num_columns_to_add, MutableColumns & added_columns,
size_t i, IColumn::Filter & filter, IColumn::Offset & /*current_offset*/, IColumn::Offsets * /*offsets*/,
const std::vector<size_t> & right_indexes)
{
filter[i] = 1;
for (size_t j = 0; j < num_columns_to_add; ++j)
added_columns[j]->insertFrom(*mapped.block->getByPosition(right_indexes[j]).column, mapped.row_num);
}
static void addNotFound(size_t /*num_columns_to_add*/, MutableColumns & /*added_columns*/,
size_t i, IColumn::Filter & filter, IColumn::Offset & /*current_offset*/, IColumn::Offsets * /*offsets*/)
{
filter[i] = 0;
}
};
template <bool fill_left, typename Map>
struct Adder<fill_left, ASTTableJoin::Strictness::All, Map>
{
static void addFound(const typename Map::mapped_type & mapped, size_t num_columns_to_add, MutableColumns & added_columns,
size_t i, IColumn::Filter & filter, IColumn::Offset & current_offset, IColumn::Offsets * offsets,
const std::vector<size_t> & right_indexes)
{
filter[i] = 1;
size_t rows_joined = 0;
for (auto current = &static_cast<const typename Map::mapped_type::Base_t &>(mapped); current != nullptr; current = current->next)
{
for (size_t j = 0; j < num_columns_to_add; ++j)
added_columns[j]->insertFrom(*current->block->getByPosition(right_indexes[j]).column.get(), current->row_num);
++rows_joined;
}
current_offset += rows_joined;
(*offsets)[i] = current_offset;
}
static void addNotFound(size_t num_columns_to_add, MutableColumns & added_columns,
size_t i, IColumn::Filter & filter, IColumn::Offset & current_offset, IColumn::Offsets * offsets)
{
filter[i] = 0;
if (!fill_left)
{
(*offsets)[i] = current_offset;
}
else
{
++current_offset;
(*offsets)[i] = current_offset;
for (size_t j = 0; j < num_columns_to_add; ++j)
added_columns[j]->insertDefault();
}
}
};
template <ASTTableJoin::Kind KIND, ASTTableJoin::Strictness STRICTNESS, typename KeyGetter, typename Map, bool has_null_map>
void NO_INLINE joinBlockImplTypeCase(
const Map & map, size_t rows, const ColumnRawPtrs & key_columns, const Sizes & key_sizes,
MutableColumns & added_columns, ConstNullMapPtr null_map, IColumn::Filter & filter,
std::unique_ptr<IColumn::Offsets> & offsets_to_replicate,
const std::vector<size_t> & right_indexes)
{
IColumn::Offset current_offset = 0;
size_t num_columns_to_add = right_indexes.size();
Arena pool;
KeyGetter key_getter(key_columns, key_sizes, nullptr);
for (size_t i = 0; i < rows; ++i)
{
if (has_null_map && (*null_map)[i])
{
Adder<Join::KindTrait<KIND>::fill_left, STRICTNESS, Map>::addNotFound(
num_columns_to_add, added_columns, i, filter, current_offset, offsets_to_replicate.get());
}
else
{
auto find_result = key_getter.findKey(map, i, pool);
if (find_result.isFound())
{
auto & mapped = find_result.getMapped();
mapped.setUsed();
Adder<Join::KindTrait<KIND>::fill_left, STRICTNESS, Map>::addFound(
mapped, num_columns_to_add, added_columns, i, filter, current_offset, offsets_to_replicate.get(), right_indexes);
}
else
Adder<Join::KindTrait<KIND>::fill_left, STRICTNESS, Map>::addNotFound(
num_columns_to_add, added_columns, i, filter, current_offset, offsets_to_replicate.get());
}
/// Don't insert column if it's in left block or not explicitly required.
if (!block.has(src_column.name) && block_with_columns_to_add.has(src_column.name))
addColumn(src_column, num_columns_to_skip + i);
}
}
using BlockFilterData = std::pair<
std::unique_ptr<IColumn::Filter>,
std::unique_ptr<IColumn::Offsets>>;
size_t size() const { return columns.size(); }
template <ASTTableJoin::Kind KIND, ASTTableJoin::Strictness STRICTNESS, typename KeyGetter, typename Map>
BlockFilterData joinBlockImplType(
const Map & map, size_t rows, const ColumnRawPtrs & key_columns, const Sizes & key_sizes,
MutableColumns & added_columns, ConstNullMapPtr null_map, const std::vector<size_t> & right_indexes)
ColumnWithTypeAndName moveColumn(size_t i)
{
std::unique_ptr<IColumn::Filter> filter = std::make_unique<IColumn::Filter>(rows);
std::unique_ptr<IColumn::Offsets> offsets_to_replicate;
return ColumnWithTypeAndName(std::move(columns[i]), type_name[i].first, type_name[i].second);
}
if (STRICTNESS == ASTTableJoin::Strictness::All)
offsets_to_replicate = std::make_unique<IColumn::Offsets>(rows);
void appendFromBlock(const Block & block, size_t row_num)
{
for (size_t j = 0; j < right_indexes.size(); ++j)
columns[j]->insertFrom(*block.getByPosition(right_indexes[j]).column, row_num);
}
if (null_map)
joinBlockImplTypeCase<KIND, STRICTNESS, KeyGetter, Map, true>(
map, rows, key_columns, key_sizes, added_columns, null_map, *filter,
offsets_to_replicate, right_indexes);
else
joinBlockImplTypeCase<KIND, STRICTNESS, KeyGetter, Map, false>(
map, rows, key_columns, key_sizes, added_columns, null_map, *filter,
offsets_to_replicate, right_indexes);
void appendDefaultRow()
{
for (size_t j = 0; j < right_indexes.size(); ++j)
columns[j]->insertDefault();
}
return {std::move(filter), std::move(offsets_to_replicate)};
private:
TypeAndNames type_name;
MutableColumns columns;
std::vector<size_t> right_indexes;
void addColumn(const ColumnWithTypeAndName & src_column, size_t idx)
{
columns.push_back(src_column.column->cloneEmpty());
columns.back()->reserve(src_column.column->size());
type_name.emplace_back(src_column.type, src_column.name);
right_indexes.push_back(idx);
}
};
template <ASTTableJoin::Strictness STRICTNESS, typename Map>
void addFoundRow(const typename Map::mapped_type & mapped, AddedColumns & added, IColumn::Offset & current_offset [[maybe_unused]])
{
if constexpr (STRICTNESS == ASTTableJoin::Strictness::Any)
{
added.appendFromBlock(*mapped.block, mapped.row_num);
}
if constexpr (STRICTNESS == ASTTableJoin::Strictness::All)
{
for (auto current = &static_cast<const typename Map::mapped_type::Base_t &>(mapped); current != nullptr; current = current->next)
{
added.appendFromBlock(*current->block, current->row_num);
++current_offset;
}
}
};
template <bool _add_missing>
void addNotFoundRow(AddedColumns & added [[maybe_unused]], IColumn::Offset & current_offset [[maybe_unused]])
{
if constexpr (_add_missing)
{
added.appendDefaultRow();
++current_offset;
}
}
/// Joins right table columns which indexes are present in right_indexes using specified map.
/// Makes filter (1 if row presented in right table) and returns offsets to replicate (for ALL JOINS).
template <bool _add_missing, ASTTableJoin::Strictness STRICTNESS, typename KeyGetter, typename Map, bool _has_null_map>
std::unique_ptr<IColumn::Offsets> NO_INLINE joinRightIndexedColumns(
const Map & map, size_t rows, KeyGetter & key_getter,
AddedColumns & added_columns, ConstNullMapPtr null_map, IColumn::Filter & filter)
{
std::unique_ptr<IColumn::Offsets> offsets_to_replicate;
if constexpr (STRICTNESS == ASTTableJoin::Strictness::All)
offsets_to_replicate = std::make_unique<IColumn::Offsets>(rows);
IColumn::Offset current_offset = 0;
Arena pool;
for (size_t i = 0; i < rows; ++i)
{
if (_has_null_map && (*null_map)[i])
{
addNotFoundRow<_add_missing>(added_columns, current_offset);
}
else
{
auto find_result = key_getter.findKey(map, i, pool);
if (find_result.isFound())
{
filter[i] = 1;
auto & mapped = find_result.getMapped();
mapped.setUsed();
addFoundRow<STRICTNESS, Map>(mapped, added_columns, current_offset);
}
else
addNotFoundRow<_add_missing>(added_columns, current_offset);
}
if constexpr (STRICTNESS == ASTTableJoin::Strictness::All)
(*offsets_to_replicate)[i] = current_offset;
}
return offsets_to_replicate;
}
template <ASTTableJoin::Kind KIND, ASTTableJoin::Strictness STRICTNESS, typename KeyGetter, typename Map>
IColumn::Filter joinRightColumns(
const Map & map, size_t rows, const ColumnRawPtrs & key_columns, const Sizes & key_sizes,
AddedColumns & added_columns, ConstNullMapPtr null_map, std::unique_ptr<IColumn::Offsets> & offsets_to_replicate)
{
constexpr bool left_or_full = static_in_v<KIND, ASTTableJoin::Kind::Left, ASTTableJoin::Kind::Full>;
IColumn::Filter filter(rows, 0);
KeyGetter key_getter(key_columns, key_sizes, nullptr);
if (null_map)
offsets_to_replicate = joinRightIndexedColumns<left_or_full, STRICTNESS, KeyGetter, Map, true>(
map, rows, key_getter, added_columns, null_map, filter);
else
offsets_to_replicate = joinRightIndexedColumns<left_or_full, STRICTNESS, KeyGetter, Map, false>(
map, rows, key_getter, added_columns, null_map, filter);
return filter;
}
template <ASTTableJoin::Kind KIND, ASTTableJoin::Strictness STRICTNESS, typename Maps>
IColumn::Filter switchJoinRightColumns(
Join::Type type,
const Maps & maps_, size_t rows, const ColumnRawPtrs & key_columns, const Sizes & key_sizes,
AddedColumns & added_columns, ConstNullMapPtr null_map,
std::unique_ptr<IColumn::Offsets> & offsets_to_replicate)
{
switch (type)
{
#define M(TYPE) \
case Join::Type::TYPE: \
return joinRightColumns<KIND, STRICTNESS, typename KeyGetterForType<Join::Type::TYPE, const std::remove_reference_t<decltype(*maps_.TYPE)>>::Type>(\
*maps_.TYPE, rows, key_columns, key_sizes, added_columns, null_map, offsets_to_replicate);
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
default:
throw Exception("Unknown JOIN keys variant.", ErrorCodes::UNKNOWN_SET_DATA_VARIANT);
}
}
} /// nameless
template <ASTTableJoin::Kind KIND, ASTTableJoin::Strictness STRICTNESS, typename Maps>
void Join::joinBlockImpl(
@ -714,7 +682,8 @@ void Join::joinBlockImpl(
* Because if they are constants, then in the "not joined" rows, they may have different values
* - default values, which can differ from the values of these constants.
*/
if (isRightOrFull(kind))
constexpr bool right_or_full = static_in_v<KIND, ASTTableJoin::Kind::Right, ASTTableJoin::Kind::Full>;
if constexpr (right_or_full)
{
for (size_t i = 0; i < existing_columns; ++i)
{
@ -734,68 +703,33 @@ void Join::joinBlockImpl(
* but they will not be used at this stage of joining (and will be in `AdderNonJoined`), and they need to be skipped.
*/
size_t num_columns_to_skip = 0;
if (isRightOrFull(kind))
if constexpr (right_or_full)
num_columns_to_skip = keys_size;
/// Add new columns to the block.
size_t num_columns_to_add = sample_block_with_columns_to_add.columns();
MutableColumns added_columns;
added_columns.reserve(num_columns_to_add);
std::vector<std::pair<decltype(ColumnWithTypeAndName::type), decltype(ColumnWithTypeAndName::name)>> added_type_name;
added_type_name.reserve(num_columns_to_add);
AddedColumns added(sample_block_with_columns_to_add, block_with_columns_to_add, block, num_columns_to_skip);
std::vector<size_t> right_indexes;
right_indexes.reserve(num_columns_to_add);
for (size_t i = 0; i < num_columns_to_add; ++i)
{
const ColumnWithTypeAndName & src_column = sample_block_with_columns_to_add.safeGetByPosition(i);
/// Don't insert column if it's in left block or not explicitly required.
if (!block.has(src_column.name) && block_with_columns_to_add.has(src_column.name))
{
added_columns.push_back(src_column.column->cloneEmpty());
added_columns.back()->reserve(src_column.column->size());
added_type_name.emplace_back(src_column.type, src_column.name);
right_indexes.push_back(num_columns_to_skip + i);
}
}
std::unique_ptr<IColumn::Filter> filter;
std::unique_ptr<IColumn::Offsets> offsets_to_replicate;
switch (type)
{
#define M(TYPE) \
case Join::Type::TYPE: \
std::tie(filter, offsets_to_replicate) = \
joinBlockImplType<KIND, STRICTNESS, typename KeyGetterForType<Join::Type::TYPE, const std::remove_reference_t<decltype(*maps_.TYPE)>>::Type>(\
*maps_.TYPE, block.rows(), key_columns, key_sizes, added_columns, null_map, right_indexes); \
break;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
IColumn::Filter filter = switchJoinRightColumns<KIND, STRICTNESS>(
type, maps_, block.rows(), key_columns, key_sizes, added, null_map, offsets_to_replicate);
default:
throw Exception("Unknown JOIN keys variant.", ErrorCodes::UNKNOWN_SET_DATA_VARIANT);
}
for (size_t i = 0; i < added.size(); ++i)
block.insert(added.moveColumn(i));
const auto added_columns_size = added_columns.size();
for (size_t i = 0; i < added_columns_size; ++i)
block.insert(ColumnWithTypeAndName(std::move(added_columns[i]), added_type_name[i].first, added_type_name[i].second));
if (!filter)
throw Exception("No data to filter columns", ErrorCodes::LOGICAL_ERROR);
/// Filter & insert missing rows
NameSet needed_key_names_right = requiredRightKeys(key_names_right, columns_added_by_join);
if (strictness == ASTTableJoin::Strictness::Any)
if constexpr (STRICTNESS == ASTTableJoin::Strictness::Any)
{
if (isInnerOrRight(kind))
constexpr bool inner_or_right = static_in_v<KIND, ASTTableJoin::Kind::Inner, ASTTableJoin::Kind::Right>;
if constexpr (inner_or_right)
{
/// If ANY INNER | RIGHT JOIN - filter all the columns except the new ones.
for (size_t i = 0; i < existing_columns; ++i)
block.safeGetByPosition(i).column = block.safeGetByPosition(i).column->filter(*filter, -1);
block.safeGetByPosition(i).column = block.safeGetByPosition(i).column->filter(filter, -1);
/// Add join key columns from right block if they has different name.
for (size_t i = 0; i < key_names_right.size(); ++i)
@ -821,13 +755,13 @@ void Join::joinBlockImpl(
if (needed_key_names_right.count(right_name) && !block.has(right_name))
{
const auto & col = block.getByName(left_name);
auto & column = col.column;
ColumnPtr column = col.column->convertToFullColumnIfConst();
MutableColumnPtr mut_column = column->cloneEmpty();
for (size_t col_no = 0; col_no < filter->size(); ++col_no)
for (size_t row = 0; row < filter.size(); ++row)
{
if ((*filter)[col_no])
mut_column->insertFrom(*column, col_no);
if (filter[row])
mut_column->insertFrom(*column, row);
else
mut_column->insertDefault();
}
@ -851,22 +785,22 @@ void Join::joinBlockImpl(
if (needed_key_names_right.count(right_name) && !block.has(right_name))
{
const auto & col = block.getByName(left_name);
auto & column = col.column;
ColumnPtr column = col.column->convertToFullColumnIfConst();
MutableColumnPtr mut_column = column->cloneEmpty();
size_t last_offset = 0;
for (size_t col_no = 0; col_no < column->size(); ++col_no)
for (size_t row = 0; row < column->size(); ++row)
{
if (size_t to_insert = (*offsets_to_replicate)[col_no] - last_offset)
if (size_t to_insert = (*offsets_to_replicate)[row] - last_offset)
{
if (!(*filter)[col_no])
if (!filter[row])
mut_column->insertDefault();
else
for (size_t dup = 0; dup < to_insert; ++dup)
mut_column->insertFrom(*column, col_no);
mut_column->insertFrom(*column, row);
}
last_offset = (*offsets_to_replicate)[col_no];
last_offset = (*offsets_to_replicate)[row];
}
block.insert({std::move(mut_column), col.type, right_name});

View File

@ -228,6 +228,52 @@ public:
std::unique_ptr<HashMap<UInt128, Mapped, UInt128HashCRC32>> keys128;
std::unique_ptr<HashMap<UInt256, Mapped, UInt256HashCRC32>> keys256;
std::unique_ptr<HashMap<UInt128, Mapped, UInt128TrivialHash>> hashed;
void create(Type which)
{
switch (which)
{
case Type::EMPTY: break;
case Type::CROSS: break;
#define M(NAME) \
case Type::NAME: NAME = std::make_unique<typename decltype(NAME)::element_type>(); break;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
}
}
size_t getTotalRowCount(Type which) const
{
switch (which)
{
case Type::EMPTY: return 0;
case Type::CROSS: return 0;
#define M(NAME) \
case Type::NAME: return NAME ? NAME->size() : 0;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
}
__builtin_unreachable();
}
size_t getTotalByteCountImpl(Type which) const
{
switch (which)
{
case Type::EMPTY: return 0;
case Type::CROSS: return 0;
#define M(NAME) \
case Type::NAME: return NAME ? NAME->getBufferSizeInBytes() : 0;
APPLY_FOR_JOIN_VARIANTS(M)
#undef M
}
__builtin_unreachable();
}
};
using MapsAny = MapsTemplate<WithFlags<false, false, RowRef>>;

View File

@ -3,3 +3,18 @@
1
1
1 1
1 0
1 0
1 0
1 1
1 0
1 0
1 0
1 1
0 2
0 2
0 2
1 1
0 2
0 2
0 2

View File

@ -5,4 +5,25 @@ SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 1 AS x) AS t2 USING x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 USING x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 1 AS x) AS t2 ON t1.x = t2.x;
-- (bug) SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT materialize(1) AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT materialize(2) AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ANY LEFT JOIN (SELECT 1 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ANY LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT materialize(1) AS x) AS t1 ANY LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ANY LEFT JOIN (SELECT materialize(2) AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL RIGHT JOIN (SELECT 1 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL RIGHT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT materialize(1) AS x) AS t1 ALL RIGHT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ALL RIGHT JOIN (SELECT materialize(2) AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ANY RIGHT JOIN (SELECT 1 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ANY RIGHT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT materialize(1) AS x) AS t1 ANY RIGHT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
SELECT * FROM (SELECT 1 AS x) AS t1 ANY RIGHT JOIN (SELECT materialize(2) AS x) AS t2 ON t1.x = t2.x;
-- SET join_use_nulls = 1;
-- SELECT * FROM (SELECT 1 AS x) AS t1 ALL LEFT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;
-- SELECT * FROM (SELECT 1 AS x) AS t1 ALL RIGHT JOIN (SELECT 2 AS x) AS t2 ON t1.x = t2.x;