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added IColumn::select

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This commit is contained in:
Nikolai Kochetov 2018-05-03 13:53:00 +03:00
parent 792caf4294
commit b662dcdd0a
3 changed files with 9 additions and 4 deletions
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8
dbms/src/Columns/ColumnsCommon.cpp
View File

@ -322,13 +322,13 @@ namespace detail
return nullptr;
}
template <>
template
const PaddedPODArray<UInt8> * getIndexesData<UInt8>(const DB::ColumnPtr & indexes);
template <>
template
const PaddedPODArray<UInt16> * getIndexesData<UInt16>(const DB::ColumnPtr & indexes);
template <>
template
const PaddedPODArray<UInt32> * getIndexesData<UInt32>(const DB::ColumnPtr & indexes);
template <>
template
const PaddedPODArray<UInt64> * getIndexesData<UInt64>(const DB::ColumnPtr & indexes);
}

2
dbms/src/Functions/FunctionsMiscellaneous.h
View File

@ -78,6 +78,7 @@ public:
bool useDefaultImplementationForNulls() const override { return false; }
bool useDefaultImplementationForConstants() const override { return true; }
bool useDefaultImplementationForColumnsWithDictionary() const override { return false; }
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{
@ -110,6 +111,7 @@ public:
bool useDefaultImplementationForNulls() const override { return false; }
bool useDefaultImplementationForConstants() const override { return true; }
bool useDefaultImplementationForColumnsWithDictionary() const override { return false; }
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{

3
dbms/src/Functions/IFunction.h
View File

@ -271,6 +271,7 @@ public:
/// Override this functions to change default implementation behavior. See details in IMyFunction.
bool useDefaultImplementationForNulls() const override { return true; }
bool useDefaultImplementationForConstants() const override { return false; }
bool useDefaultImplementationForColumnsWithDictionary() const override { return true; }
ColumnNumbers getArgumentsThatAreAlwaysConstant() const override { return {}; }
using PreparedFunctionImpl::execute;
@ -317,6 +318,7 @@ protected:
}
bool useDefaultImplementationForNulls() const final { return function->useDefaultImplementationForNulls(); }
bool useDefaultImplementationForConstants() const final { return function->useDefaultImplementationForConstants(); }
bool useDefaultImplementationForColumnsWithDictionary() const final { return function->useDefaultImplementationForColumnsWithDictionary(); }
ColumnNumbers getArgumentsThatAreAlwaysConstant() const final { return function->getArgumentsThatAreAlwaysConstant(); }
private:
@ -375,6 +377,7 @@ protected:
DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override { return function->getReturnTypeImpl(arguments); }
bool useDefaultImplementationForNulls() const override { return function->useDefaultImplementationForNulls(); }
bool useDefaultImplementationForColumnsWithDictionary() const override { return function->useDefaultImplementationForColumnsWithDictionary(); }
FunctionBasePtr buildImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & return_type) const override
{