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MCOL-4412 Introduce TypeHandler::getEmptyValueForType to return const ptr for an empty value

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WE changes for SQL DML and DDL operations

Changes for bulk operations

Changes for scanning operations

Cleanup
This commit is contained in:
Roman Nozdrin
2021-01-15 16:02:10 +00:00
parent 16b52860e8
commit 5fce19df0a
27 changed files with 741 additions and 580 deletions
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33
primitives/primproc/columncommand.h
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@ -129,6 +129,10 @@ private:
void makeScanMsg();
void makeStepMsg();
void setLBID(uint64_t rid);
template<typename T>
inline void fillEmptyBlock(uint8_t* dst,
const uint8_t*emptyValue,
const uint32_t number) const;
bool _isScan;
@ -171,6 +175,35 @@ private:
friend class RTSCommand;
};
template<typename T>
inline void ColumnCommand::fillEmptyBlock(uint8_t* dst,
const uint8_t*emptyValue,
const uint32_t number) const
{
T* typedDst = reinterpret_cast<T*>(dst);
const T* typedEmptyValue = reinterpret_cast<const T*>(emptyValue);
for (uint32_t idx = 0; idx < number; idx = idx + 4)
{
typedDst[idx] = *typedEmptyValue;
typedDst[idx+1] = *typedEmptyValue;
typedDst[idx+2] = *typedEmptyValue;
typedDst[idx+3] = *typedEmptyValue;
}
}
template<>
inline void ColumnCommand::fillEmptyBlock<messageqcpp::ByteStream::hexbyte>(uint8_t* dst,
const uint8_t*emptyValue,
const uint32_t number) const
{
for (uint32_t idx = 0; idx < number; idx++)
{
datatypes::TSInt128::assignPtrPtr(dst + idx * sizeof(messageqcpp::ByteStream::hexbyte),
emptyValue);
}
}
}
#endif