Apache Arrow 0.1.0 (10 October 2016)

Download

• Source Release: [apache-arrow-0.1.0.tar.gz][6]
• Verification: [md5][3], [asc][7]

Changelog

Contributors

$ git shortlog -sn d5aa7c46..apache-arrow-0.1.0
    49  Wes McKinney
    27  Uwe L. Korn
    25  Julien Le Dem
    13  Micah Kornfield
    11  Steven Phillips
     6  Jihoon Son
     5  Laurent Goujon
     5  adeneche
     4  Dan Robinson
     4  proflin
     2  Jacques Nadeau
     1  Christopher C. Aycock
     1  Edmon Begoli
     1  Kai Zheng
     1  MechCoder
     1  Minji Kim
     1  Philipp Moritz
     1  Smyatkin Maxim
     1  fengguangyuan
     1  hyukjinkwon
     1  hzhang2
     1  lfzCarlosC

New Features and Improvements

• ARROW-1 - Import Initial Codebase
• ARROW-10 - Fix mismatch of javadoc names and method parameters
• ARROW-100 - [C++] Computing RowBatch size
• ARROW-101 - Fix java warnings emitted by java compiler
• ARROW-102 - travis-ci support for java project
• ARROW-106 - Add IPC round trip for string types (string, char, varchar, binary)
• ARROW-107 - [C++] add ipc round trip for struct types
• ARROW-11 - Mirror JIRA activity to dev@arrow.apache.org
• ARROW-13 - Add PR merge tool similar to that used in Parquet
• ARROW-14 - Add JIRA components
• ARROW-15 - Fix a naming typo for memory.AllocationManager.AllocationOutcome
• ARROW-19 - C++: Externalize memory allocations and add a MemoryPool abstract interface to builder classes
• ARROW-190 - Python: Provide installable sdist builds
• ARROW-197 - [Python] Add conda dev recipe for pyarrow
• ARROW-199 - [C++] Refine third party dependency
• ARROW-2 - Post Simple Website
• ARROW-20 - C++: Add null count member to Array containers, remove nullable member
• ARROW-201 - C++: Initial ParquetWriter implementation
• ARROW-203 - Python: Basic filename based Parquet read/write
• ARROW-204 - [Python] Automate uploading conda build artifacts for libarrow and pyarrow
• ARROW-206 - [C++] Expose an equality API for arrays that compares a range of slots on two arrays
• ARROW-21 - C++: Add in-memory schema metadata container
• ARROW-212 - [C++] Clarify the fact that PrimitiveArray is now abstract class
• ARROW-213 - Exposing static arrow build
• ARROW-214 - C++: Add String support to Parquet I/O
• ARROW-215 - C++: Support other integer types in Parquet I/O
• ARROW-218 - Add option to use GitHub API token via environment variable when merging PRs
• ARROW-22 - C++: Add schema adapter routines for converting flat Parquet schemas to in-memory Arrow schemas
• ARROW-222 - [C++] Create prototype file-like interface to HDFS (via libhdfs) and begin defining more general IO interface for Arrow data adapters
• ARROW-23 - C++: Add logical "Column" container for chunked data
• ARROW-233 - [C++] Add visibility defines for limiting shared library symbol visibility
• ARROW-234 - [C++] Build with libhdfs support in arrow_io in conda builds
• ARROW-236 - [Python] Enable Parquet read/write to work with HDFS file objects
• ARROW-237 - [C++] Create Arrow specializations of Parquet allocator and read interfaces
• ARROW-238 - C++: InternalMemoryPool::Free() should throw an error when there is insufficient allocated memory
• ARROW-24 - C++: Add logical "Table" container
• ARROW-242 - C++/Python: Support Timestamp Data Type
• ARROW-245 - [Format] Clarify Arrow's relationship with big endian platforms
• ARROW-251 - [C++] Expose APIs for getting code and message of the status
• ARROW-252 - Add implementation guidelines to the documentation
• ARROW-253 - Int types should only have width of 8*2^n (8, 16, 32, 64)
• ARROW-254 - Remove Bit type as it is redundant with boolean
• ARROW-255 - Finalize Dictionary representation
• ARROW-256 - Add versioning to the arrow spec.
• ARROW-257 - Add a typeids Vector to Union type
• ARROW-26 - C++: Add developer instructions for building parquet-cpp integration
• ARROW-260 - TestValueVector.testFixedVectorReallocation and testVariableVectorReallocation are flaky
• ARROW-262 - [Format] Add a new format document for metadata and logical types for messaging and IPC / on-wire/file representations
• ARROW-264 - Create an Arrow File format
• ARROW-267 - [C++] C++ implementation of file-like layout for RPC / IPC
• ARROW-270 - [Format] Define more generic Interval logical type
• ARROW-271 - Update Field structure to be more explicit
• ARROW-272 - Arrow release 0.1
• ARROW-279 - rename vector module to arrow-vector for consistency
• ARROW-28 - C++: Add google/benchmark to the 3rd-party build toolchain
• ARROW-280 - [C++] Consolidate file and shared memory IO interfaces
• ARROW-285 - Allow for custom flatc compiler
• ARROW-286 - Build thirdparty dependencies in parallel
• ARROW-289 - Install test-util.h
• ARROW-290 - Specialize alloc() in ArrowBuf
• ARROW-292 - [Java] Upgrade Netty to 4.041
• ARROW-293 - [C++] Implementations of IO interfaces for operating system files
• ARROW-296 - [C++] Remove arrow_parquet C++ module and related parts of build system
• ARROW-298 - create release scripts
• ARROW-299 - Use absolute namespace in macros
• ARROW-3 - Post Initial Arrow Format Spec
• ARROW-30 - Python: pandas/NumPy to/from Arrow conversion routines
• ARROW-301 - [Format] Add some form of user field metadata to IPC schemas
• ARROW-302 - [Python] Add support to use the Arrow file format with file-like objects
• ARROW-305 - Add compression and use_dictionary options to Parquet interface
• ARROW-306 - Add option to pass cmake arguments via environment variable
• ARROW-31 - Python: basic PyList <-> Arrow marshaling code
• ARROW-315 - Finalize timestamp type
• ARROW-318 - [Python] Revise README to reflect current state of project
• ARROW-319 - Add canonical Arrow Schema json representation
• ARROW-324 - Update arrow metadata diagram
• ARROW-325 - make TestArrowFile not dependent on timezone
• ARROW-35 - Add a short call-to-action / how-to-get-involved to the main README.md
• ARROW-37 - C++: Represent boolean array data in bit-packed form
• ARROW-4 - Initial Arrow CPP Implementation
• ARROW-42 - Python: Add to Travis CI build
• ARROW-43 - Python: Add rudimentary console repr for array types
• ARROW-44 - Python: Implement basic object model for scalar values (i.e. results of arrow_arr[i])
• ARROW-48 - Python: Add Schema object wrapper
• ARROW-49 - Python: Add Column and Table wrapper interface
• ARROW-50 - C++: Enable library builds for 3rd-party users without having to build thirdparty googletest
• ARROW-53 - Python: Fix RPATH and add source installation instructions
• ARROW-54 - Python: rename package to "pyarrow"
• ARROW-56 - Format: Specify LSB bit ordering in bit arrays
• ARROW-57 - Format: Draft data headers IDL for data interchange
• ARROW-58 - Format: Draft type metadata ("schemas") IDL
• ARROW-59 - Python: Boolean data support for builtin data structures
• ARROW-60 - C++: Struct type builder API
• ARROW-64 - Add zsh support to C++ build scripts
• ARROW-66 - Maybe some missing steps in installation guide
• ARROW-67 - C++: Draft type metadata conversion to/from IPC representation
• ARROW-68 - Update setup_build_env and third-party script to be more userfriendly
• ARROW-7 - Add Python library build toolchain
• ARROW-70 - C++: Add "lite" DCHECK macros used in parquet-cpp
• ARROW-71 - C++: Add script to run clang-tidy on codebase
• ARROW-73 - Support CMake 2.8
• ARROW-76 - Revise format document to include null count, defer non-nullable arrays to the domain of metadata
• ARROW-78 - C++: Add constructor for DecimalType
• ARROW-79 - Python: Add benchmarks
• ARROW-8 - Set up Travis CI
• ARROW-82 - C++: Implement IPC exchange for List types
• ARROW-83 - Add basic test infrastructure for DecimalType
• ARROW-85 - C++: memcmp can be avoided in Equal when comparing with the same Buffer
• ARROW-86 - Python: Implement zero-copy Arrow-to-Pandas conversion
• ARROW-87 - Implement Decimal schema conversion for all ways supported in Parquet
• ARROW-89 - Python: Add benchmarks for Arrow<->Pandas conversion
• ARROW-9 - Rename some unchanged "Drill" to "Arrow"
• ARROW-90 - Apache Arrow cpp code does not support power architecture
• ARROW-91 - C++: First draft of an adapter class for parquet-cpp's ParquetFileReader that produces Arrow table/row batch objects
• ARROW-92 - C++: Arrow to Parquet Schema conversion

Bug Fixes

• ARROW-103 - Missing patterns from .gitignore
• ARROW-104 - Update Layout.md based on discussion on the mailing list
• ARROW-105 - Unit tests fail if assertions are disabled
• ARROW-113 - TestValueVector test fails if cannot allocate 2GB of memory
• ARROW-16 - Building cpp issues on XCode 7.2.1
• ARROW-17 - Set some vector fields to default access level for Drill compatibility
• ARROW-18 - Fix bug with decimal precision and scale
• ARROW-185 - [C++] Make sure alignment and memory padding conform to spec
• ARROW-188 - Python: Add numpy as install requirement
• ARROW-193 - For the instruction, typos "int his" should be "in this"
• ARROW-194 - C++: Allow read-only memory mapped source
• ARROW-200 - [Python] Convert Values String looks like it has incorrect error handling
• ARROW-209 - [C++] Broken builds: llvm.org apt repos are unavailable
• ARROW-210 - [C++] Tidy up the type system a little bit
• ARROW-211 - Several typos/errors in Layout.md examples
• ARROW-217 - Fix Travis w.r.t conda 4.1.0 changes
• ARROW-219 - [C++] Passed CMAKE_CXX_FLAGS are being dropped, fix compiler warnings
• ARROW-223 - Do not link against libpython
• ARROW-225 - [C++/Python] master Travis CI build is broken
• ARROW-244 - [C++] Some global APIs of IPC module should be visible to the outside
• ARROW-246 - [Java] UnionVector doesn't call allocateNew() when creating it's vectorType
• ARROW-247 - [C++] Missing explicit destructor in RowBatchReader causes an incomplete type error
• ARROW-250 - Fix for ARROW-246 may cause memory leaks
• ARROW-259 - Use flatbuffer fields in java implementation
• ARROW-265 - Negative decimal values have wrong padding
• ARROW-266 - [C++] Fix the broken build
• ARROW-274 - Make the MapVector nullable
• ARROW-278 - [Format] Struct type name consistency in implementations and metadata
• ARROW-283 - [C++] Update arrow_parquet to account for API changes in PARQUET-573
• ARROW-284 - [C++] Triage builds by disabling Arrow-Parquet module
• ARROW-287 - [java] Make nullable vectors use a BitVecor instead of UInt1Vector for bits
• ARROW-297 - Fix Arrow pom for release
• ARROW-304 - NullableMapReaderImpl.isSet() always returns true
• ARROW-308 - UnionListWriter.setPosition() should not call startList()
• ARROW-309 - Types.getMinorTypeForArrowType() does not work for Union type
• ARROW-313 - XCode 8.0 breaks builds
• ARROW-314 - JSONScalar is unnecessary and unused.
• ARROW-320 - ComplexCopier.copy(FieldReader, FieldWriter) should not start a list if reader is not set
• ARROW-321 - Fix Arrow licences
• ARROW-36 - Remove fixVersions from patch tool (until we have them)
• ARROW-46 - Port DRILL-4410 to Arrow
• ARROW-5 - Error when run maven install
• ARROW-51 - Move ValueVector test from Drill project
• ARROW-55 - Python: fix legacy Python (2.7) tests and add to Travis CI
• ARROW-62 - Format: Are the nulls bits 0 or 1 for null values?
• ARROW-63 - C++: ctest fails if Python 3 is the active Python interpreter
• ARROW-65 - Python: FindPythonLibsNew does not work in a virtualenv
• ARROW-69 - Change permissions for assignable users
• ARROW-72 - FindParquet searches for non-existent header
• ARROW-75 - C++: Fix handling of empty strings
• ARROW-77 - C++: conform null bit interpretation to match ARROW-62
• ARROW-80 - Segmentation fault on len(Array) for empty arrays
• ARROW-88 - C++: Refactor given PARQUET-572
• ARROW-93 - XCode 7.3 breaks builds
• ARROW-94 - Expand list example to clarify null vs empty list