Add default definition for GetColWiseData and GetColWiseData

[shiyu1994]

This is to fix the compilation warnings mentioned in #5176.

[jameslamb]

I've added the label fix. Please add a labels when you create pull requests here, so your PR will be correctly categorized in the release notes (#5403 (comment)).

[StrikerRUS]

MinGW cannot compile this

[100%] Linking CXX shared library C:\Users\runneradmin\AppData\Local\Temp\Rtmp67bvjP\Rbuildad07d9f1baf\lightgbm\src\lib_lightgbm.dll

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0x10): multiple definition of `LightGBM::DenseBin<unsigned char, false>::GetColWiseData(unsigned char*, bool*, std::vector<LightGBM::BinIterator*, std::allocator<LightGBM::BinIterator*> >*, int) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinIhLb0EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi[_ZNK8LightGBM8DenseBinIhLb0EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0x30): multiple definition of `LightGBM::DenseBin<unsigned short, false>::GetColWiseData(unsigned char*, bool*, std::vector<LightGBM::BinIterator*, std::allocator<LightGBM::BinIterator*> >*, int) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinItLb0EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi[_ZNK8LightGBM8DenseBinItLb0EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0x50): multiple definition of `LightGBM::DenseBin<unsigned int, false>::GetColWiseData(unsigned char*, bool*, std::vector<LightGBM::BinIterator*, std::allocator<LightGBM::BinIterator*> >*, int) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinIjLb0EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi[_ZNK8LightGBM8DenseBinIjLb0EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0x70): multiple definition of `LightGBM::DenseBin<unsigned char, true>::GetColWiseData(unsigned char*, bool*, std::vector<LightGBM::BinIterator*, std::allocator<LightGBM::BinIterator*> >*, int) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinIhLb1EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi[_ZNK8LightGBM8DenseBinIhLb1EE14GetColWiseDataEPhPbPSt6vectorIPNS_11BinIteratorESaIS6_EEi]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0x90): multiple definition of `LightGBM::DenseBin<unsigned char, false>::GetColWiseData(unsigned char*, bool*, LightGBM::BinIterator**) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinIhLb0EE14GetColWiseDataEPhPbPPNS_11BinIteratorE[_ZNK8LightGBM8DenseBinIhLb0EE14GetColWiseDataEPhPbPPNS_11BinIteratorE]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0xb0): multiple definition of `LightGBM::DenseBin<unsigned short, false>::GetColWiseData(unsigned char*, bool*, LightGBM::BinIterator**) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinItLb0EE14GetColWiseDataEPhPbPPNS_11BinIteratorE[_ZNK8LightGBM8DenseBinItLb0EE14GetColWiseDataEPhPbPPNS_11BinIteratorE]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0xd0): multiple definition of `LightGBM::DenseBin<unsigned int, false>::GetColWiseData(unsigned char*, bool*, LightGBM::BinIterator**) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinIjLb0EE14GetColWiseDataEPhPbPPNS_11BinIteratorE[_ZNK8LightGBM8DenseBinIjLb0EE14GetColWiseDataEPhPbPPNS_11BinIteratorE]+0x0): first defined here

CMakeFiles\_lightgbm.dir/objects.a(dense_bin.cpp.obj):dense_bin.cpp:(.text+0xf0): multiple definition of `LightGBM::DenseBin<unsigned char, true>::GetColWiseData(unsigned char*, bool*, LightGBM::BinIterator**) const'

CMakeFiles\_lightgbm.dir/objects.a(bin.cpp.obj):bin.cpp:(.text$_ZNK8LightGBM8DenseBinIhLb1EE14GetColWiseDataEPhPbPPNS_11BinIteratorE[_ZNK8LightGBM8DenseBinIhLb1EE14GetColWiseDataEPhPbPPNS_11BinIteratorE]+0x0): first defined here

collect2.exe: error: ld returned 1 exit status

[shiyu1994]

The compilation warnings have been resolved.

[github-actions]

This pull request has been automatically locked since there has not been any recent activity since it was closed. To start a new related discussion, open a new issue at https://github.com/microsoft/LightGBM/issues including a reference to this.