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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

[2.12.0] - 2024-04-26

Fixes

  • Diff change column should respect comparators (#238)

Changed

  • Make create_temporary_dir work with pyspark-extension only (#222). This allows installing PIP packages and Poetry projects via pure Python spark-extension package (Maven package not required any more).
  • Add map diff comparator to Python API (#226)

[2.11.0] - 2024-01-04

Added

  • Add count_null aggregate function (#206)
  • Support reading parquet schema (#208)
  • Add more columns to reading parquet metadata (#209, #211)
  • Provide groupByKey shortcuts for groupBy.as (#213)
  • Allow to install PIP packages into PySpark job (#215)
  • Allow to install Poetry projects into PySpark job (#216)

[2.10.0] - 2023-09-27

Fixed

  • Update setup.py to include parquet methods in python package (#191)

Added

  • Add --statistics option to diff app (#189)
  • Add --filter option to diff app (#190)

[2.9.0] - 2023-08-23

Added

  • Add key order sensitive map comparator (#187)

Changed

  • Use dataset encoder rather than implicit value encoder for implicit dataset extension class (#183)

Fixed

  • Fix key-sensitivity in map comparator (#186)

[2.8.0] - 2023-05-24

Added

  • Add method to set and automatically unset Spark job description. (#172)
  • Add column function that converts between .Net (C#, F#, Visual Basic) DateTime.Ticks and Spark timestamp / Unix epoch timestamps. (#153)

[2.7.0] - 2023-05-05

Added

  • Spark app to diff files or tables and write result back to file or table. (#160)
  • Add null value count to parquetBlockColumns and parquet_block_columns. (#162)
  • Add parallelism argument to Parquet metadata methods. (#164)

Changed

  • Change data type of column name in parquetBlockColumns and parquet_block_columns to array of strings. Cast to string to get earlier behaviour (string column name). (#162)

[2.6.0] - 2023-04-11

Added

  • Add reader for parquet metadata. (#154)

[2.5.0] - 2023-03-23

Added

  • Add whitespace agnostic diff comparator. (#137)
  • Add Python whl package build. (#151)

[2.4.0] - 2022-12-08

Added

  • Allow for custom diff equality. (#127)

Fixed

  • Fix Python API calling into Scala code. (#132)

[2.3.0] - 2022-10-26

Added

  • Add diffWith to Scala, Java and Python Diff API. (#109)

Changed

  • Diff similar Datasets with ignoreColumns. Before, only similar DataFrame could be diffed with ignoreColumns. (#111)

Fixed

  • Cache before writing via partitionedBy to work around SPARK-40588. Unpersist via UnpersistHandle. (#124)

[2.2.0] - 2022-07-21

Added

  • Add (global) row numbers transformation to Scala, Java and Python API. (#97)

Removed

  • Removed support for Pyton 3.6

[2.1.0] - 2022-04-07

Added

  • Add sorted group methods to Dataset. (#76)

[2.0.0] - 2021-10-29

Added

  • Add support for Spark 3.2 and Scala 2.13.
  • Support to ignore columns in diff API. (#63)

Removed

  • Removed support for Spark 2.4.

[1.3.3] - 2020-12-17

Added

  • Add support for Spark 3.1.

[1.3.2] - 2020-12-17

Changed

  • Refine conditional transformation helper methods.

[1.3.1] - 2020-12-10

Changed

  • Refine conditional transformation helper methods.

[1.3.0] - 2020-12-07

Added

  • Add transformation to compute histogram. (#26)
  • Add conditional transformation helper methods. (#27)
  • Add partitioned writing helpers that simplifies writing optimally ordered partitioned data. (#29)

[1.2.0] - 2020-10-06

Added

  • Add diff modes (#22): column-by-column, side-by-side, left and right side diff modes.
  • Adds sparse mode (#23): diff DataFrame contains only changed values.

[1.1.0] - 2020-08-24

Added

  • Add Python API for Diff transformation.
  • Add change column to Diff transformation providing column names of all changed columns in a row.
  • Add fluent methods to change immutable diff options.
  • Add backticks method to handle column names that contain dots (.).

[1.0.0] - 2020-03-12

Added

  • Add Diff transformation for Datasets.