kamcheungting-db commented on code in PR #974:
URL: https://github.com/apache/iceberg-cpp/pull/974#discussion_r4175927877
##########
src/iceberg/test/json_serde_test.cc:
##########
@@ -1044,4 +1048,37 @@ TEST(TableRequirementJsonTest,
TableRequirementUnknownType) {
EXPECT_THAT(result, HasErrorMessage("Unknown table requirement type"));
}
+std::unordered_map<int32_t, std::shared_ptr<PartitionSpec>>
UnpartitionedSpecs() {
Review Comment:
Done
##########
src/iceberg/catalog/rest/json_serde.cc:
##########
@@ -357,97 +192,12 @@ Result<std::vector<std::shared_ptr<FileScanTask>>>
FileScanTasksFromJson(
return file_scan_tasks;
}
-Result<nlohmann::json> DataFileToJsonUnchecked(const DataFile& data_file) {
- nlohmann::json json;
- switch (data_file.content) {
- case DataFile::Content::kData:
- json[kContent] = kContentData;
- break;
- case DataFile::Content::kPositionDeletes:
- json[kContent] = kContentPositionDeletes;
- break;
- case DataFile::Content::kEqualityDeletes:
- json[kContent] = kContentEqualityDeletes;
- break;
- }
- json[kFilePath] = data_file.file_path;
- json[kFileFormat] = ToString(data_file.file_format);
-
- if (!data_file.partition_spec_id.has_value()) {
- return ValidationFailed("Cannot serialize REST content file without
'spec-id'");
- }
- json[kSpecId] = data_file.partition_spec_id.value();
-
- nlohmann::json partition_json = nlohmann::json::array();
- for (const auto& literal : data_file.partition.values()) {
- ICEBERG_ASSIGN_OR_RAISE(auto lit_json, iceberg::ToJson(literal));
- partition_json.push_back(std::move(lit_json));
- }
- json[kPartition] = std::move(partition_json);
-
- json[kRecordCount] = data_file.record_count;
- json[kFileSizeInBytes] = data_file.file_size_in_bytes;
-
- SetKeyValueMap(json, kColumnSizes, data_file.column_sizes);
- SetKeyValueMap(json, kValueCounts, data_file.value_counts);
- SetKeyValueMap(json, kNullValueCounts, data_file.null_value_counts);
- SetKeyValueMap(json, kNanValueCounts, data_file.nan_value_counts);
- SetKeyValueMap(json, kLowerBounds, data_file.lower_bounds);
- SetKeyValueMap(json, kUpperBounds, data_file.upper_bounds);
-
- if (!data_file.key_metadata.empty()) {
- json[kKeyMetadata] = data_file.key_metadata;
- }
- if (!data_file.split_offsets.empty()) {
- json[kSplitOffsets] = data_file.split_offsets;
- }
- if (!data_file.equality_ids.empty()) {
- json[kEqualityIds] = data_file.equality_ids;
- }
- if (data_file.sort_order_id.has_value()) {
- json[kSortOrderId] = data_file.sort_order_id.value();
- }
- if (data_file.first_row_id.has_value()) {
- json[kFirstRowId] = data_file.first_row_id.value();
- }
- if (data_file.referenced_data_file.has_value()) {
- json[kReferencedDataFile] = data_file.referenced_data_file.value();
- }
- if (data_file.content_offset.has_value()) {
- json[kContentOffset] = data_file.content_offset.value();
- }
- if (data_file.content_size_in_bytes.has_value()) {
- json[kContentSizeInBytes] = data_file.content_size_in_bytes.value();
- }
-
- return json;
-}
-
Result<nlohmann::json> ToJson(
Review Comment:
done
##########
src/iceberg/catalog/rest/json_serde.cc:
##########
@@ -152,154 +126,14 @@ Result<StorageCredential>
StorageCredentialFromJson(const nlohmann::json& json)
return credential;
}
-template <typename Value>
-Result<std::map<int32_t, Value>> KeyValueMapFromJson(const nlohmann::json&
json,
- std::string_view key) {
- std::map<int32_t, Value> result;
- if (!json.contains(key) || json.at(key).is_null()) {
- return result;
- }
-
- ICEBERG_ASSIGN_OR_RAISE(auto map_json, GetJsonValue<nlohmann::json>(json,
key));
- ICEBERG_ASSIGN_OR_RAISE(auto keys,
- GetJsonValue<std::vector<int32_t>>(map_json,
kMapKeys));
- ICEBERG_ASSIGN_OR_RAISE(auto values,
- GetJsonValue<std::vector<Value>>(map_json,
kMapValues));
- if (keys.size() != values.size()) {
- return JsonParseError("'{}' map keys and values have different lengths",
key);
- }
-
- for (size_t i = 0; i < keys.size(); ++i) {
- result[keys[i]] = std::move(values[i]);
- }
- return result;
-}
-
-template <typename Value>
-void SetKeyValueMap(nlohmann::json& json, std::string_view key,
- const std::map<int32_t, Value>& map) {
- if (map.empty()) {
- return;
- }
-
- std::vector<int32_t> keys;
- std::vector<Value> values;
- keys.reserve(map.size());
- values.reserve(map.size());
- for (const auto& [field_id, value] : map) {
- keys.push_back(field_id);
- values.push_back(value);
- }
- json[key] = {{kMapKeys, std::move(keys)}, {kMapValues, std::move(values)}};
-}
-
} // namespace
Result<DataFile> DataFileFromJson(
Review Comment:
Good point
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