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[EXPORTER] Support empty arrays in OtlpRecordable attributes #2166

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May 31, 2023
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Merged

[EXPORTER] Support empty arrays in OtlpRecordable attributes #2166

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0ecceaa
Support empty arrays in `OtlpRecordable` attributes
mbrobbel May 31, 2023
c6dfea7
Use typed test for `OtlpRecordable` empty array test
mbrobbel May 31, 2023
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45 changes: 30 additions & 15 deletions exporters/otlp/src/otlp_populate_attribute_utils.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -67,58 +67,66 @@ void OtlpPopulateAttributeUtils::PopulateAnyValue(
}
else if (nostd::holds_alternative<nostd::span<const uint8_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const uint8_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const bool>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const bool>>(value))
{
proto_value->mutable_array_value()->add_values()->set_bool_value(val);
array_value->add_values()->set_bool_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const int>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const int>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const int64_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const int64_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const unsigned int>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const unsigned int>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const uint64_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const uint64_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const double>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const double>>(value))
{
proto_value->mutable_array_value()->add_values()->set_double_value(val);
array_value->add_values()->set_double_value(val);
}
}
else if (nostd::holds_alternative<nostd::span<const nostd::string_view>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<nostd::span<const nostd::string_view>>(value))
{
proto_value->mutable_array_value()->add_values()->set_string_value(val.data(), val.size());
array_value->add_values()->set_string_value(val.data(), val.size());
}
}
}
Expand Down Expand Up @@ -168,51 +176,58 @@ void OtlpPopulateAttributeUtils::PopulateAnyValue(
}
else if (nostd::holds_alternative<std::vector<bool>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto val : nostd::get<std::vector<bool>>(value))
{
proto_value->mutable_array_value()->add_values()->set_bool_value(val);
array_value->add_values()->set_bool_value(val);
}
}
else if (nostd::holds_alternative<std::vector<int32_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<std::vector<int32_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<std::vector<uint32_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<std::vector<uint32_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<std::vector<int64_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<std::vector<int64_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<std::vector<uint64_t>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<std::vector<uint64_t>>(value))
{
proto_value->mutable_array_value()->add_values()->set_int_value(val);
array_value->add_values()->set_int_value(val);
}
}
else if (nostd::holds_alternative<std::vector<double>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<std::vector<double>>(value))
{
proto_value->mutable_array_value()->add_values()->set_double_value(val);
array_value->add_values()->set_double_value(val);
}
}
else if (nostd::holds_alternative<std::vector<std::string>>(value))
{
auto array_value = proto_value->mutable_array_value();
for (const auto &val : nostd::get<std::vector<std::string>>(value))
{
proto_value->mutable_array_value()->add_values()->set_string_value(val);
array_value->add_values()->set_string_value(val);
}
}
}
Expand Down
13 changes: 13 additions & 0 deletions exporters/otlp/test/otlp_recordable_test.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -284,6 +284,19 @@ TEST(OtlpRecordable, SetArrayAttribute)
}
}

// Test empty array.
TEST(OtlpRecordable, SetEmptyArrayAttribute)
{
OtlpRecordable rec;

std::vector<int64_t> empty_array = {};
nostd::span<const int64_t> span(empty_array);
rec.SetAttribute("empty_arr_attr", span);

EXPECT_TRUE(rec.span().attributes(0).value().has_array_value());
EXPECT_TRUE(rec.span().attributes(0).value().array_value().values().empty());
}

/**
* AttributeValue can contain different int types, such as int, int64_t,
* unsigned int, and uint64_t. To avoid writing test cases for each, we can
Expand Down