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added IColumn::select

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This commit is contained in:
Nikolai Kochetov 2018-04-23 19:48:46 +03:00
parent 4369613435
commit 44807df50f
2 changed files with 10 additions and 10 deletions
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10
dbms/src/Columns/ColumnsCommon.cpp
View File

@ -313,7 +313,7 @@ INSTANTIATE(Float64)
namespace detail
{
template <typename T>
PaddedPODArray<T> * const getIndexesData(const ColumnPtr & indexes)
const PaddedPODArray<T> * getIndexesData(const ColumnPtr & indexes)
{
auto * column = typeid_cast<const ColumnVector<T> *>(indexes.get());
if (column)
@ -323,9 +323,9 @@ namespace detail
}
}
PaddedPODArray<UInt8> * const detail::getIndexesData<UInt8>(const DB::ColumnPtr & indexes);
PaddedPODArray<UInt16> * const detail::getIndexesData<UInt16>(const DB::ColumnPtr & indexes);
PaddedPODArray<UInt32> * const detail::getIndexesData<UInt32>(const DB::ColumnPtr & indexes);
PaddedPODArray<UInt64> * const detail::getIndexesData<UInt64>(const DB::ColumnPtr & indexes);
const PaddedPODArray<UInt8> * detail::getIndexesData<UInt8>(const DB::ColumnPtr & indexes);
const PaddedPODArray<UInt16> * detail::getIndexesData<UInt16>(const DB::ColumnPtr & indexes);
const PaddedPODArray<UInt32> * detail::getIndexesData<UInt32>(const DB::ColumnPtr & indexes);
const PaddedPODArray<UInt64> * detail::getIndexesData<UInt64>(const DB::ColumnPtr & indexes);
}

10
dbms/src/Columns/ColumnsCommon.h
View File

@ -41,7 +41,7 @@ void filterArraysImplOnlyData(
namespace detail
{
template <typename T>
PaddedPODArray<T> * const getIndexesData(const ColumnPtr & indexes);
const PaddedPODArray<T> * getIndexesData(const ColumnPtr & indexes);
}
/// Check limit <= indexes->size() and call column.indexImpl(const PaddedPodArray<Type> & indexes, size_t limit).
@ -55,13 +55,13 @@ ColumnPtr selectIndexImpl(const Column & column, const ColumnPtr & indexes, size
throw Exception("Size of indexes is less than required.", ErrorCodes::SIZES_OF_COLUMNS_DOESNT_MATCH);
if (auto * data_uint8 = detail::getIndexesData<UInt8>(indexes))
return column.selectImpl<UInt8>(*data_uint8, limit);
return column.template selectImpl<UInt8>(*data_uint8, limit);
else if (auto * data_uint16 = detail::getIndexesData<UInt16>(indexes))
return column.selectImpl<UInt16>(*data_uint16, limit);
return column.template selectImpl<UInt16>(*data_uint16, limit);
else if (auto * data_uint32 = detail::getIndexesData<UInt32>(indexes))
return column.selectImpl<UInt32>(*data_uint32, limit);
return column.template selectImpl<UInt32>(*data_uint32, limit);
else if (auto * data_uint64 = detail::getIndexesData<UInt64>(indexes))
return column.selectImpl<UInt64>(*data_uint64, limit);
return column.template selectImpl<UInt64>(*data_uint64, limit);
else
throw Exception("Indexes column for IColumn::select must be ColumnUInt, got" + indexes->getName(),
ErrorCodes::LOGICAL_ERROR);