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https://issues.apache.org/jira/browse/ARROW-15700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17493837#comment-17493837
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Antoine Pitrou commented on ARROW-15700:
----------------------------------------
I'm curious: a too old protoc produces C++ compilation errors? What is the
mechanism?
> [C++] Compilation error on Ubuntu 18.04
> ---------------------------------------
>
> Key: ARROW-15700
> URL: https://issues.apache.org/jira/browse/ARROW-15700
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Compute IR, Continuous Integration
> Reporter: Antoine Pitrou
> Assignee: Jeroen van Straten
> Priority: Blocker
> Labels: pull-request-available, substrait
> Fix For: 8.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> See Crossbow build logs here:
> https://github.com/ursacomputing/crossbow/runs/5211900067?check_suite_focus=true#step:5:1389
> {code}
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc: In member
> function 'arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::Visit(const
> arrow::StringScalar&)':
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:469:78: error:
> no matching function for call to
> 'arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(<unresolved
> overloaded function type>, const arrow::StringScalar&)'
> Status Visit(const StringScalar& s) { return FromBuffer(&Lit::set_string,
> s); }
>
> ^
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> candidate: template<class ScalarWithBufferValue> arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&), const
> ScalarWithBufferValue&)
> Status FromBuffer(void
> (substrait::Expression::Literal::*set)(std::string&&),
> ^~~~~~~~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> template argument deduction/substitution failed:
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:469:59: note:
> cannot convert '& substrait::Expression_Literal::set_string' (type
> '<unresolved overloaded function type>') to type 'void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&) {aka void
> (substrait::Expression_Literal::*)(std::__cxx11::basic_string<char>&&)}'
> Status Visit(const StringScalar& s) { return FromBuffer(&Lit::set_string,
> s); }
> ^~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc: In member
> function 'arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::Visit(const
> arrow::BinaryScalar&)':
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:470:78: error:
> no matching function for call to
> 'arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(<unresolved
> overloaded function type>, const arrow::BinaryScalar&)'
> Status Visit(const BinaryScalar& s) { return FromBuffer(&Lit::set_binary,
> s); }
>
> ^
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> candidate: template<class ScalarWithBufferValue> arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&), const
> ScalarWithBufferValue&)
> Status FromBuffer(void
> (substrait::Expression::Literal::*set)(std::string&&),
> ^~~~~~~~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> template argument deduction/substitution failed:
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:470:59: note:
> cannot convert '& substrait::Expression_Literal::set_binary' (type
> '<unresolved overloaded function type>') to type 'void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&) {aka void
> (substrait::Expression_Literal::*)(std::__cxx11::basic_string<char>&&)}'
> Status Visit(const BinaryScalar& s) { return FromBuffer(&Lit::set_binary,
> s); }
> ^~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc: In member
> function 'arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::Visit(const
> arrow::FixedSizeBinaryScalar&)':
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:473:48: error:
> no matching function for call to
> 'arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(<unresolved
> overloaded function type>, const arrow::FixedSizeBinaryScalar&)'
> return FromBuffer(&Lit::set_fixed_binary, s);
> ^
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> candidate: template<class ScalarWithBufferValue> arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&), const
> ScalarWithBufferValue&)
> Status FromBuffer(void
> (substrait::Expression::Literal::*set)(std::string&&),
> ^~~~~~~~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> template argument deduction/substitution failed:
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:473:23: note:
> cannot convert '& substrait::Expression_Literal::set_fixed_binary' (type
> '<unresolved overloaded function type>') to type 'void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&) {aka void
> (substrait::Expression_Literal::*)(std::__cxx11::basic_string<char>&&)}'
> return FromBuffer(&Lit::set_fixed_binary, s);
> ^~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc: In member
> function 'arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::Visit(const
> arrow::ExtensionScalar&)':
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:598:77: error:
> no matching function for call to
> 'arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(<unresolved
> overloaded function type>, const arrow::FixedSizeBinaryScalar&)'
> checked_cast<const
> FixedSizeBinaryScalar&>(*s.value));
> ^
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> candidate: template<class ScalarWithBufferValue> arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&), const
> ScalarWithBufferValue&)
> Status FromBuffer(void
> (substrait::Expression::Literal::*set)(std::string&&),
> ^~~~~~~~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> template argument deduction/substitution failed:
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:597:25: note:
> cannot convert '& substrait::Expression_Literal::set_uuid' (type '<unresolved
> overloaded function type>') to type 'void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&) {aka void
> (substrait::Expression_Literal::*)(std::__cxx11::basic_string<char>&&)}'
> return FromBuffer(&Lit::set_uuid,
> ^~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:603:77: error:
> no matching function for call to
> 'arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(<unresolved
> overloaded function type>, const arrow::FixedSizeBinaryScalar&)'
> checked_cast<const
> FixedSizeBinaryScalar&>(*s.value));
> ^
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> candidate: template<class ScalarWithBufferValue> arrow::Status
> arrow::engine::{anonymous}::ScalarToProtoImpl::FromBuffer(void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&), const
> ScalarWithBufferValue&)
> Status FromBuffer(void
> (substrait::Expression::Literal::*set)(std::string&&),
> ^~~~~~~~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:447:10: note:
> template argument deduction/substitution failed:
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:602:25: note:
> cannot convert '& substrait::Expression_Literal::set_fixed_char' (type
> '<unresolved overloaded function type>') to type 'void
> (substrait::Expression_Literal::*)(std::__cxx11::string&&) {aka void
> (substrait::Expression_Literal::*)(std::__cxx11::basic_string<char>&&)}'
> return FromBuffer(&Lit::set_fixed_char,
> ^~~~
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc: In function
> 'arrow::Result<std::unique_ptr<substrait::Expression> >
> arrow::engine::ToProto(const arrow::compute::Expression&,
> arrow::engine::ExtensionSet*)':
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:860:74: error:
> 'bool substrait::Expression_Literal::has_i32() const' is private within this
> context
> if (arguments[1]->has_literal() && arguments[1]->literal().has_i32()) {
> ^
> In file included from
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.h:29:0,
> from
> /arrow/cpp/src/arrow/engine/substrait/expression_internal.cc:20:
> src/arrow/engine/generated/substrait/expression.pb.h:6207:13: note: declared
> private here
> inline bool Expression_Literal::has_i32() const {
> ^~~~~~~~~~~~~~~~~~
> {code}
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