Function DecodeConcatMapping

cpp/src/arrow/engine/substrait/extension_set.cc:955–962

}

ExtensionIdRegistry::SubstraitCallToArrow DecodeConcatMapping() {
  return [](const SubstraitCall& call) -> Result<compute::Expression> {
    ARROW_ASSIGN_OR_RAISE(std::vector<compute::Expression> value_args,
                          GetValueArgs(call, 0));
    value_args.push_back(compute::literal(""));
    return compute::call("binary_join_element_wise", std::move(value_args));
  };
}

ExtensionIdRegistry::SubstraitAggregateToArrow DecodeBasicAggregate(
    const std::string& arrow_function_name) {