[GitHub] [arrow] li-wu edited a comment on pull request #9450: ARROW-11565: [C++][Gandiva] Modify upper()/lower() logic to make them work for utf8 strings

Sat, 06 Mar 2021 22:25:31 -0800 


li-wu edited a comment on pull request #9450:
URL: https://github.com/apache/arrow/pull/9450#issuecomment-792167454


   Any update for the PR?
   
   I tried with the the code change and build arrow with option 
`-DARROW_WITH_UTF8PROC=ON` and `-DARROW_GANDIVA=ON`  with  `vcpkg`. When 
compiling my project with arrow it reports error:
   ```
     "_utf8proc_tolower", referenced from:
         arrow::compute::internal::(anonymous 
namespace)::EnsureLookupTablesFilled()::$_0::operator()() const in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::UTF8Lower<arrow::StringType>::TransformCodepoint(unsigned int) in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::UTF8Lower<arrow::LargeStringType>::TransformCodepoint(unsigned int) 
in libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::IsCasedCharacterUnicode(unsigned int) in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::IsLowerCaseCharacterUnicode(unsigned int) in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::IsUpperCaseCharacterUnicode(unsigned int) in 
libarrow.a(scalar_string.cc.o)
     "_utf8proc_toupper", referenced from:
         arrow::compute::internal::(anonymous 
namespace)::EnsureLookupTablesFilled()::$_0::operator()() const in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::UTF8Upper<arrow::StringType>::TransformCodepoint(unsigned int) in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::UTF8Upper<arrow::LargeStringType>::TransformCodepoint(unsigned int) 
in libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::IsCasedCharacterUnicode(unsigned int) in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::IsLowerCaseCharacterUnicode(unsigned int) in 
libarrow.a(scalar_string.cc.o)
         arrow::compute::internal::(anonymous 
namespace)::IsUpperCaseCharacterUnicode(unsigned int) in 
libarrow.a(scalar_string.cc.o)
   ld: symbol(s) not found for architecture x86_64
   ```


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