dongxiao1198 commented on code in PR #216:
URL: https://github.com/apache/iceberg-cpp/pull/216#discussion_r2342865281
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src/iceberg/manifest_adapter.h:
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@@ -33,34 +40,104 @@ class ICEBERG_EXPORT ManifestAdapter {
public:
ManifestAdapter() = default;
virtual ~ManifestAdapter() = default;
+ virtual Status Init() = 0;
- virtual Status StartAppending() = 0;
- virtual Result<ArrowArray> FinishAppending() = 0;
+ Status StartAppending();
+ Result<ArrowArray> FinishAppending();
int64_t size() const { return size_; }
+ virtual std::shared_ptr<Schema> schema() const = 0;
+
+ protected:
+ static Status AppendField(ArrowArray* arrowArray, int64_t value);
+ static Status AppendField(ArrowArray* arrowArray, uint64_t value);
+ static Status AppendField(ArrowArray* arrowArray, double value);
+ static Status AppendField(ArrowArray* arrowArray, std::string_view value);
+ static Status AppendField(ArrowArray* arrowArray, const
std::vector<uint8_t>& value);
+ static Status AppendField(ArrowArray* arrowArray, const std::array<uint8_t,
16>& value);
protected:
+ bool is_initialized_ = false;
ArrowArray array_;
+ ArrowSchema schema_; // converted from manifest_schema_ or
manifest_list_schema_
int64_t size_ = 0;
};
// \brief Implemented by different versions with different schemas to
// append a list of `ManifestEntry`s to an `ArrowArray`.
class ICEBERG_EXPORT ManifestEntryAdapter : public ManifestAdapter {
public:
- ManifestEntryAdapter() = default;
- ~ManifestEntryAdapter() override = default;
+ explicit ManifestEntryAdapter(std::shared_ptr<Schema> partition_schema,
+ std::shared_ptr<PartitionSpec> partition_spec)
Review Comment:
Oh， I see the impl of java, it's ok for us. I will add a transformer to get
this schema from spec directly
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