niyue commented on code in PR #38116:
URL: https://github.com/apache/arrow/pull/38116#discussion_r1381130797
##########
cpp/src/gandiva/function_registry.cc:
##########
@@ -41,42 +62,80 @@ FunctionRegistry::iterator FunctionRegistry::back() const {
return &(pc_registry_.back());
}
-std::vector<NativeFunction> FunctionRegistry::pc_registry_;
+const NativeFunction* FunctionRegistry::LookupSignature(
+ const FunctionSignature& signature) const {
+ auto got = pc_registry_map_.find(&signature);
+ return got == pc_registry_map_.end() ? nullptr : got->second;
+}
+
+Status FunctionRegistry::Add(NativeFunction func) {
+ if (pc_registry_.size() == kMaxFunctionSignatures) {
+ return Status::CapacityError("Exceeded max function signatures limit of ",
+ kMaxFunctionSignatures);
+ }
+ pc_registry_.emplace_back(std::move(func));
+ auto const& last_func = pc_registry_.back();
+ for (auto const& func_signature : last_func.signatures()) {
+ pc_registry_map_.emplace(&func_signature, &last_func);
+ }
+ return arrow::Status::OK();
+}
-SignatureMap FunctionRegistry::pc_registry_map_ = InitPCMap();
+arrow::Result<std::unique_ptr<llvm::MemoryBuffer>> GetBufferFromFile(
+ const std::string& bitcode_file_path) {
+ auto buffer_or_error = llvm::MemoryBuffer::getFile(bitcode_file_path);
-SignatureMap FunctionRegistry::InitPCMap() {
- SignatureMap map;
+ ARROW_RETURN_IF(!buffer_or_error,
+ Status::IOError("Could not load module from bitcode file: ",
+ bitcode_file_path +
+ " Error: " +
buffer_or_error.getError().message()));
- auto v1 = GetArithmeticFunctionRegistry();
- pc_registry_.insert(std::end(pc_registry_), v1.begin(), v1.end());
- auto v2 = GetDateTimeFunctionRegistry();
- pc_registry_.insert(std::end(pc_registry_), v2.begin(), v2.end());
+ auto buffer = std::move(buffer_or_error.get());
+ return std::move(buffer);
+}
- auto v3 = GetHashFunctionRegistry();
- pc_registry_.insert(std::end(pc_registry_), v3.begin(), v3.end());
+Status FunctionRegistry::Register(const std::vector<NativeFunction>& funcs,
+ const std::string& bitcode_path) {
+ ARROW_ASSIGN_OR_RAISE(auto llvm_buffer, GetBufferFromFile(bitcode_path));
+ auto buffer =
std::make_unique<LLVMMemoryArrowBuffer>(std::move(llvm_buffer));
Review Comment:
Fixed
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