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Persiyanov Dmitriy Andreevich 2018-12-03 14:28:22 +03:00
parent d982d39b1d
commit 4ec2a2792c
1 changed files with 17 additions and 12 deletions
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29
dbms/src/Functions/FunctionsRound.h
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@ -562,23 +562,22 @@ public:
};
class FunctionRoundDown : public IFunction {
class FunctionRoundDown : public IFunction
{
public:
static constexpr auto name = "roundDown";
static FunctionPtr create(const Context & context) { return std::make_shared<FunctionRoundDown>(context); }
FunctionRoundDown(const Context & context) : context(context) {}
public:
String getName() const override
{
return name;
}
String getName() const override { return name; }
bool isVariadic() const override { return false; }
size_t getNumberOfArguments() const override { return 2; }
ColumnNumbers getArgumentsThatAreAlwaysConstant() const override { return {1}; }
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override {
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{
const DataTypePtr & type_x = arguments[0];
if (!isNumber(type_x))
@ -602,7 +601,8 @@ public:
return getLeastSupertype({type_x, type_arr_nested});
}
void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override {
void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override
{
const ColumnConst * array = checkAndGetColumnConst<ColumnArray>(block.getByPosition(arguments[1]).column.get());
if (!array)
{
@ -629,7 +629,8 @@ public:
const auto in = in_column.get();
auto boundaries = array->getValue<Array>();
for (size_t i = 0; i < boundaries.size(); ++i) {
for (size_t i = 0; i < boundaries.size(); ++i)
{
boundaries[i] = convertFieldToType(boundaries[i], *return_type);
}
@ -651,7 +652,8 @@ public:
}
private:
void executeConst(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) {
void executeConst(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count)
{
/// Materialize the input column and compute the function as usual.
Block tmp_block;
@ -676,7 +678,8 @@ private:
}
template <typename T>
bool executeNum(const IColumn * in_untyped, IColumn * out_untyped, const Array & boundaries) {
bool executeNum(const IColumn * in_untyped, IColumn * out_untyped, const Array & boundaries)
{
const auto in = checkAndGetColumn<ColumnVector<T>>(in_untyped);
auto out = typeid_cast<ColumnVector<T> *>(out_untyped);
if (!in || !out)
@ -688,9 +691,11 @@ private:
}
template <typename T>
void executeImplNumToNum(const PaddedPODArray<T> & src, PaddedPODArray<T> & dst, const Array & boundaries) {
void executeImplNumToNum(const PaddedPODArray<T> & src, PaddedPODArray<T> & dst, const Array & boundaries)
{
PaddedPODArray<T> bvalues(boundaries.size());
for (size_t i = 0; i < boundaries.size(); ++i) {
for (size_t i = 0; i < boundaries.size(); ++i)
{
bvalues[i] = boundaries[i].get<T>();
}