[Feature] Row Type Foundation #1370
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This PR implements the foundation layer for complex data types support: Core Abstractions: - DataGetters: Abstract interface for data access operations - DataSetters: Abstract interface for data setting operations - Enhanced InternalRow interface with DataGetters support Memory Management: - AbstractPagedInputView: Abstract base for paged input views - ManagedPagedOutputView: Managed paged output view implementation - MemorySegmentInputView: Memory segment input view - MemorySegmentOutputView: Memory segment output view - Enhanced InputView/OutputView interfaces Serialization Framework: - Serializer: Core serialization interface - DataInputDeserializer: Data input deserialization - DataOutputSerializer: Data output serialization - PagedTypeSerializer: Paged type serialization - SerializerSingleton: Serializer singleton management Base Serializers: - BooleanSerializer, ByteSerializer, ShortSerializer - IntSerializer, LongSerializer, FloatSerializer, DoubleSerializer - BinarySerializer, BinaryStringSerializer - DecimalSerializer, TimestampLtzSerializer, TimestampNtzSerializer - NullableSerializer: Nullable value handling Utility Classes: - VarLengthIntUtils: Variable length integer encoding/decoding - InstantiationUtil: Object instantiation utilities - InternalRowUtils: Internal row utilities - ArrayUtils: Array manipulation utilities - Pair: Generic pair implementation - MurmurHashUtils: Murmur hash implementation Type System Extensions: - DataTypeChecks: Data type validation utilities - DataTypeDefaultVisitor: Default visitor implementation - DataTypeVisitor: Visitor pattern for data types - VarBinaryType, VarCharType, MultisetType: New type definitions Test Coverage: - Comprehensive test suite for all serializers - SerializerTestBase: Base test framework - SerializerTestInstance: Test instance management - Individual test classes for each serializer This foundation provides the necessary abstractions and infrastructure for supporting Array, Map, and Row data types in subsequent PRs.
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This PR implements the foundation layer for complex data types support: #816
Core Abstractions:
Memory Management:
Serialization Framework:
Base Serializers:
Utility Classes:
Type System Extensions:
Test Coverage:
This foundation provides the necessary abstractions and infrastructure for supporting Array, Map, and Row data types in subsequent PRs.
Purpose
Linked issue: close #1369
Brief change log
Tests
API and Format
Documentation