duckdb::ArrowJson Struct Reference

Static Public Member Functions
static unique_ptr< ArrowType >	GetType (ClientContext &context, const ArrowSchema &schema, const ArrowSchemaMetadata &schema_metadata)
static void	PopulateSchema (DuckDBArrowSchemaHolder &root_holder, ArrowSchema &schema, const LogicalType &type, ClientContext &context, const ArrowTypeExtension &extension)

Member Function Documentation

GetType()

static unique_ptr< ArrowType > duckdb::ArrowJson::GetType ( ClientContext &  context, const ArrowSchema &  schema, const ArrowSchemaMetadata &  schema_metadata  )

inlinestatic

                                                                                     {
        const auto format = string(schema.format);
        if (format == "u") {
            return make_uniq<ArrowType>(LogicalType::JSON(), make_uniq<ArrowStringInfo>(ArrowVariableSizeType::NORMAL));
        } else if (format == "U") {
            return make_uniq<ArrowType>(LogicalType::JSON(),
                                        make_uniq<ArrowStringInfo>(ArrowVariableSizeType::SUPER_SIZE));
        } else if (format == "vu") {
            return make_uniq<ArrowType>(LogicalType::JSON(), make_uniq<ArrowStringInfo>(ArrowVariableSizeType::VIEW));
        }
        throw InvalidInputException("Arrow extension type \"%s\" not supported for arrow.json", format.c_str());
    }

PopulateSchema()

static void duckdb::ArrowJson::PopulateSchema ( DuckDBArrowSchemaHolder &  root_holder, ArrowSchema &  schema, const LogicalType &  type, ClientContext &  context, const ArrowTypeExtension &  extension  )

inlinestatic

                                                                                            {
        const ArrowSchemaMetadata schema_metadata =
            ArrowSchemaMetadata::ArrowCanonicalType(extension.GetInfo().GetExtensionName());
        root_holder.metadata_info.emplace_back(schema_metadata.SerializeMetadata());
        schema.metadata = root_holder.metadata_info.back().get();
        const auto options = context.GetClientProperties();
        if (options.produce_arrow_string_view) {
            schema.format = "vu";
        } else {
            if (options.arrow_offset_size == ArrowOffsetSize::LARGE) {
                schema.format = "U";
            } else {
                schema.format = "u";
            }
        }
    }

---

The documentation for this struct was generated from the following file:

• external/duckdb/duckdb.cpp