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dbms: Code cleanup [#METR-19266]

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This commit is contained in:
Alexey Arno 2016-08-12 18:22:28 +03:00
parent 8ebbc141eb
commit c74ee4e478
7 changed files with 45 additions and 42 deletions
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2
dbms/include/DB/Storages/MergeTree/MergeTreeBlockInputStream.h
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@ -275,7 +275,7 @@ protected:
size_t pre_bytes = res.bytes();
ColumnPtr observed_column;
if (column.get()->isNullable())
if (column->isNullable())
{
ColumnNullable & nullable_col = static_cast<ColumnNullable &>(*column);
observed_column = nullable_col.getNestedColumn();

2
dbms/include/DB/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
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@ -190,7 +190,7 @@ private:
const auto pre_bytes = res.bytes();
ColumnPtr observed_column;
if (column.get()->isNullable())
if (column->isNullable())
{
ColumnNullable & nullable_col = static_cast<ColumnNullable &>(*column);
observed_column = nullable_col.getNestedColumn();

58
dbms/src/Columns/ColumnNullable.cpp
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@ -13,7 +13,7 @@ extern const int LOGICAL_ERROR;
ColumnNullable::ColumnNullable(ColumnPtr nested_column_)
: nested_column{nested_column_}
{
if (nested_column.get()->isNullable())
if (nested_column->isNullable())
throw Exception{"A nullable column cannot contain another nullable column", ErrorCodes::LOGICAL_ERROR};
}
@ -21,32 +21,32 @@ ColumnNullable::ColumnNullable(ColumnPtr nested_column_, bool fill_with_nulls)
: nested_column{nested_column_},
null_map{std::make_shared<ColumnUInt8>()}
{
if (nested_column.get()->isNullable())
if (nested_column->isNullable())
throw Exception{"A nullable column cannot contain another nullable column", ErrorCodes::LOGICAL_ERROR};
size_t n = nested_column.get()->size();
size_t n = nested_column->size();
if (n > 0)
getNullMapContent().getData().resize_fill(n, (fill_with_nulls ? 1 : 0));
}
std::string ColumnNullable::getName() const
{
return "ColumnNullable(" + nested_column.get()->getName() + ")";
return "ColumnNullable(" + nested_column->getName() + ")";
}
bool ColumnNullable::isNumeric() const
{
return nested_column.get()->isNumeric();
return nested_column->isNumeric();
}
bool ColumnNullable::isConst() const
{
return nested_column.get()->isConst();
return nested_column->isConst();
}
bool ColumnNullable::isFixed() const
{
return nested_column.get()->isFixed();
return nested_column->isFixed();
}
bool ColumnNullable::isNullable() const
@ -58,7 +58,7 @@ ColumnPtr ColumnNullable::convertToFullColumnIfConst() const
{
ColumnPtr new_col_holder;
if (auto full_col = nested_column.get()->convertToFullColumnIfConst())
if (auto full_col = nested_column->convertToFullColumnIfConst())
{
new_col_holder = std::make_shared<ColumnNullable>(full_col);
ColumnNullable & new_col = static_cast<ColumnNullable &>(*new_col_holder);
@ -67,7 +67,7 @@ ColumnPtr ColumnNullable::convertToFullColumnIfConst() const
new_col.null_map = null_map;
else
{
size_t n = nested_column.get()->size();
size_t n = nested_column->size();
if (n > 0)
{
new_col.null_map = std::make_shared<ColumnUInt8>();
@ -92,13 +92,13 @@ void ColumnNullable::updateHashWithValue(size_t n, SipHash & hash) const
{
UInt8 tag = 0;
hash.update(reinterpret_cast<const char *>(&tag), sizeof(tag));
nested_column.get()->updateHashWithValue(n, hash);
nested_column->updateHashWithValue(n, hash);
}
}
ColumnPtr ColumnNullable::cloneResized(size_t size) const
{
ColumnPtr new_col_holder = std::make_shared<ColumnNullable>(nested_column.get()->cloneResized(size));
ColumnPtr new_col_holder = std::make_shared<ColumnNullable>(nested_column->cloneResized(size));
auto & new_col = static_cast<ColumnNullable &>(*new_col_holder);
/// Create a new null byte map for the cloned column.
@ -112,7 +112,7 @@ ColumnPtr ColumnNullable::cloneResized(size_t size) const
ColumnPtr ColumnNullable::cloneEmpty() const
{
ColumnPtr new_col_holder = std::make_shared<ColumnNullable>(nested_column.get()->cloneEmpty());
ColumnPtr new_col_holder = std::make_shared<ColumnNullable>(nested_column->cloneEmpty());
auto & new_col = static_cast<ColumnNullable &>(*new_col_holder);
new_col.null_map = null_map.get()->cloneEmpty();
return new_col_holder;
@ -120,7 +120,7 @@ ColumnPtr ColumnNullable::cloneEmpty() const
size_t ColumnNullable::size() const
{
return nested_column.get()->size();
return nested_column->size();
}
Field ColumnNullable::operator[](size_t n) const
@ -139,7 +139,7 @@ void ColumnNullable::get(size_t n, Field & res) const
if (isNullAt(n))
res = Field{};
else
nested_column.get()->get(n, res);
nested_column->get(n, res);
}
UInt64 ColumnNullable::get64(size_t n) const
@ -171,7 +171,7 @@ StringRef ColumnNullable::serializeValueIntoArena(size_t n, Arena & arena, char
const UInt8 tag = 0;
auto pos = arena.allocContinue(sizeof(tag), begin);
memcpy(pos, &tag, sizeof(tag));
return nested_column.get()->serializeValueIntoArena(n, arena, begin);
return nested_column->serializeValueIntoArena(n, arena, begin);
}
}
@ -188,7 +188,7 @@ const char * ColumnNullable::deserializeAndInsertFromArena(const char * pos)
else
{
getNullMapContent().insert(0);
return nested_column.get()->deserializeAndInsertFromArena(pos + sizeof(next_pos));
return nested_column->deserializeAndInsertFromArena(pos + sizeof(next_pos));
}
}
@ -207,38 +207,38 @@ void ColumnNullable::insertRangeFrom(const IColumn & src, size_t start, size_t l
ErrorCodes::PARAMETER_OUT_OF_BOUND};
getNullMapContent().insertRangeFrom(*concrete_src.null_map, start, length);
nested_column.get()->insertRangeFrom(*concrete_src.nested_column, start, length);
nested_column->insertRangeFrom(*concrete_src.nested_column, start, length);
}
void ColumnNullable::insert(const Field & x)
{
if (x.isNull())
{
nested_column.get()->insertDefault();
nested_column->insertDefault();
getNullMapContent().insert(1);
}
else
{
nested_column.get()->insert(x);
nested_column->insert(x);
getNullMapContent().insert(0);
}
}
void ColumnNullable::insertDefault()
{
nested_column.get()->insertDefault();
nested_column->insertDefault();
getNullMapContent().insert(0);
}
void ColumnNullable::popBack(size_t n)
{
nested_column.get()->popBack(n);
nested_column->popBack(n);
getNullMapContent().popBack(n);
}
ColumnPtr ColumnNullable::filter(const Filter & filt, ssize_t result_size_hint) const
{
ColumnPtr new_data = nested_column.get()->filter(filt, result_size_hint);
ColumnPtr new_data = nested_column->filter(filt, result_size_hint);
ColumnPtr filtered_col_holder = std::make_shared<ColumnNullable>(new_data);
ColumnNullable & filtered_col = static_cast<ColumnNullable &>(*filtered_col_holder);
filtered_col.null_map = getNullMapContent().filter(filt, result_size_hint);
@ -247,7 +247,7 @@ ColumnPtr ColumnNullable::filter(const Filter & filt, ssize_t result_size_hint)
ColumnPtr ColumnNullable::permute(const Permutation & perm, size_t limit) const
{
ColumnPtr new_data = nested_column.get()->permute(perm, limit);
ColumnPtr new_data = nested_column->permute(perm, limit);
ColumnPtr permuted_col_holder = std::make_shared<ColumnNullable>(new_data);
ColumnNullable & permuted_col = static_cast<ColumnNullable &>(*permuted_col_holder);
permuted_col.null_map = getNullMapContent().permute(perm, limit);
@ -272,12 +272,12 @@ int ColumnNullable::compareAt(size_t n, size_t m, const IColumn & rhs_, int nan_
return 1;
const IColumn & nested_rhs = *(nullable_rhs.getNestedColumn());
return nested_column.get()->compareAt(n, m, nested_rhs, nan_direction_hint);
return nested_column->compareAt(n, m, nested_rhs, nan_direction_hint);
}
void ColumnNullable::getPermutation(bool reverse, size_t limit, Permutation & res) const
{
nested_column.get()->getPermutation(reverse, limit, res);
nested_column->getPermutation(reverse, limit, res);
size_t s = res.size();
/// Since we have created a permutation "res" that sorts a subset of the column values
@ -342,13 +342,13 @@ void ColumnNullable::getPermutation(bool reverse, size_t limit, Permutation & re
void ColumnNullable::reserve(size_t n)
{
nested_column.get()->reserve(n);
nested_column->reserve(n);
getNullMapContent().reserve(n);
}
size_t ColumnNullable::byteSize() const
{
return nested_column.get()->byteSize() + getNullMapContent().byteSize();
return nested_column->byteSize() + getNullMapContent().byteSize();
}
void ColumnNullable::getExtremes(Field & min, Field & max) const
@ -374,12 +374,12 @@ void ColumnNullable::getExtremes(Field & min, Field & max) const
else if (auto col = typeid_cast<ColumnFloat64 *>(nested_column.get()))
col->getExtremesFromNullableContent(min, max, &getNullMapContent().getData());
else
nested_column.get()->getExtremes(min, max);
nested_column->getExtremes(min, max);
}
ColumnPtr ColumnNullable::replicate(const Offsets_t & offsets) const
{
ColumnPtr replicated_col_holder = std::make_shared<ColumnNullable>(nested_column.get()->replicate(offsets));
ColumnPtr replicated_col_holder = std::make_shared<ColumnNullable>(nested_column->replicate(offsets));
ColumnNullable & replicated_col = static_cast<ColumnNullable &>(*replicated_col_holder);
replicated_col.null_map = getNullMapContent().replicate(offsets);
return replicated_col_holder;

4
dbms/src/DataStreams/FilterBlockInputStream.cpp
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@ -78,7 +78,7 @@ Block FilterBlockInputStream::readImpl()
if (column)
{
if (column.get()->isNullable())
if (column->isNullable())
{
ColumnNullable & nullable_col = static_cast<ColumnNullable &>(*column);
column = nullable_col.getNestedColumn();
@ -117,7 +117,7 @@ Block FilterBlockInputStream::readImpl()
size_t columns = res.columns();
ColumnPtr column = res.getByPosition(filter_column).column;
bool is_nullable_column = column.get()->isNullable();
bool is_nullable_column = column->isNullable();
auto init_observed_column = [&column, &is_nullable_column]()
{

2
dbms/src/DataStreams/PrettyBlockOutputStream.cpp
View File

@ -62,7 +62,7 @@ void PrettyBlockOutputStream::calculateWidths(Block & block, Widths_t & max_widt
};
IColumn * observed_col;
if (column.column.get()->isNullable())
if (column.column->isNullable())
{
ColumnNullable & nullable_col = static_cast<ColumnNullable &>(*column.column);
observed_col = nullable_col.getNestedColumn().get();

8
dbms/src/Functions/FunctionsConditional.cpp
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@ -24,7 +24,7 @@ bool hasNullableBranches(const Block & block, const ColumnNumbers & args)
auto check = [](const Block & block, size_t arg)
{
const auto & elem = block.unsafeGetByPosition(arg);
return (elem.column && (elem.column.get()->isNullable() || elem.column.get()->isNull()));
return (elem.column && (elem.column->isNullable() || elem.column->isNull()));
};
size_t else_arg = Conditional::elseArg(args);
@ -179,7 +179,7 @@ void FunctionMultiIf::executeImpl(Block & block, const ColumnNumbers & args, siz
const ColumnWithTypeAndName & source_col = non_nullable_block.unsafeGetByPosition(result);
ColumnWithTypeAndName & dest_col = block.unsafeGetByPosition(result);
if (source_col.column.get()->isNull())
if (source_col.column->isNull())
{
/// Degenerate case: the result is a null column.
dest_col.column = source_col.column;
@ -459,7 +459,7 @@ bool FunctionMultiIf::performTrivialCase(Block & block, const ColumnNumbers & ar
{
first_type_name = name;
type = block.getByPosition(args[i]).type;
block.getByPosition(args[i]).column.get()->get(0, sample);
block.getByPosition(args[i]).column->get(0, sample);
}
else
{
@ -474,7 +474,7 @@ bool FunctionMultiIf::performTrivialCase(Block & block, const ColumnNumbers & ar
if (first_type_name.empty())
{
type = block.getByPosition(args[else_arg]).type;
block.getByPosition(args[else_arg]).column.get()->get(0, sample);
block.getByPosition(args[else_arg]).column->get(0, sample);
}
else
{

11
dbms/src/Functions/IFunction.cpp
View File

@ -26,7 +26,7 @@ void createNullValuesByteMap(Block & block, const ColumnNumbers & args, size_t r
continue;
const ColumnWithTypeAndName & elem = block.unsafeGetByPosition(arg);
if (elem.column && elem.column.get()->isNullable())
if (elem.column && elem.column->isNullable())
{
const ColumnNullable & nullable_col = static_cast<const ColumnNullable &>(*elem.column);
res_col.updateNullValuesByteMap(nullable_col);
@ -40,7 +40,7 @@ bool hasNullColumns(const Block & block, const ColumnNumbers & arguments)
for (const auto & arg : arguments)
{
const auto & elem = block.unsafeGetByPosition(arg);
if (elem.column && elem.column.get()->isNull())
if (elem.column && elem.column->isNull())
return true;
}
return false;
@ -76,7 +76,7 @@ bool hasNullableColumns(const Block & block, const ColumnNumbers & arguments)
for (const auto & arg : arguments)
{
const auto & elem = block.unsafeGetByPosition(arg);
if (elem.column && elem.column.get()->isNullable())
if (elem.column && elem.column->isNullable())
return true;
}
return false;
@ -217,7 +217,7 @@ Block IFunction::extractNonNullableBlock(const Block & block, ColumnNumbers args
bool found = std::binary_search(args.begin(), args.end(), i) && col.column && col.type;
if (found && col.column.get()->isNullable())
if (found && col.column->isNullable())
{
auto nullable_col = static_cast<const ColumnNullable *>(col.column.get());
ColumnPtr nested_col = nullable_col->getNestedColumn();
@ -239,6 +239,7 @@ void IFunction::perform(Block & block, const ColumnNumbers & arguments, size_t r
{
if (!hasSpecialSupportForNulls() && hasNullColumns(block, arguments))
{
/// We have found at least one NULL argument. Therefore we return NULL.
ColumnWithTypeAndName & dest_col = block.getByPosition(result);
dest_col.column = std::make_shared<ColumnNull>(block.rowsInFirstColumn(), Null());
return;
@ -248,9 +249,11 @@ void IFunction::perform(Block & block, const ColumnNumbers & arguments, size_t r
{
Block non_nullable_block = extractNonNullableBlock(block, arguments);
performer(non_nullable_block, arguments, result);
const ColumnWithTypeAndName & source_col = non_nullable_block.getByPosition(result);
ColumnWithTypeAndName & dest_col = block.getByPosition(result);
dest_col.column = std::make_shared<ColumnNullable>(source_col.column);
ColumnNullable & nullable_col = static_cast<ColumnNullable &>(*dest_col.column);
nullable_col.getNullValuesByteMap() = std::make_shared<ColumnUInt8>(dest_col.column->size(), 0);
createNullValuesByteMap(block, arguments, result);