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CHANGELOG.md

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Changelog

0.2.1

  • Fixed PermissionError when trying to modify a previously opened file on windows
  • Changed minimum PyArrow requirement from 7.0.0 to 8.0.0

0.2.0

Warning: This update causes some API-breaking changes:

  • Changed metadata backend, which breaks tables written in earlier versions
  • Changed filtering for cols from cols=['like', <pattern>] to cols={'like': <pattern>}
  • Changed filtering for rows from rows=[<keyword>, <value>] to rows={<keyword>: <value>}
  • Changed store.store_name to store.name
  • Changed table.exists to table.exists()

Enhancements:

  • Restoring snapshots no longer overwrites existing store or tables by default
    • Added errors parameter to adjust this behavior
  • Added table.name
  • Added is_connected()
  • Added store_exists()
  • Added database_exists()
  • Added table.partition_size read only property
  • Added table.repartition(new_partition_size) for re-partitioning a table to new_partition_size
  • Dropping both rows and cols in table.drop() at the same time is now supported
  • Added support for numpy datatypes in table.astype()
  • rows and cols arguments now supports more sequence types than just lists
  • before, after, and between is no longer invalid index values
  • like is no longer a invalid column name
  • table.read(rows=[...]) now raises an exception when rows are not found in the table
  • Improved table.insert() performance
  • Made some exceptions messages clearer

Bugfixes:

  • connect(<Database>) now correctly switches connection to <Database> instead of staying connected to the old database
  • Fixed append not working properly with default index
  • Fixed read_pandas not working with binary columns
  • Fixed read_pandas not working with large string columns
  • Fixed read_pandas not working with date32 and date64 columns
  • Fixed a bug causing insert to sometimes delete a partition
  • Fixed Table.shape not working
  • Fixed store.rename not working
  • Fixed predicate filtering keeping one row to many in special cases
  • Fixed being able to write tables with non-string column names
  • Fixed performance bottleneck when making hidden files on windows

Other:

  • Updated dependency requirements to:
    • polars[timezone]=0.14.11
    • pyarrow>=7.0.0

0.1.1

  • Fixed behavior of Table.append() when using the default index

0.1.0

  • Added snapshots
  • Added Table.astype()
  • Added Table.reorder_columns() as a synonym to Table.columns = values
  • Added Store.drop() as a synonym to store.drop_store()
  • Added option to set partition_size=-1 to disable partitioning
  • Added performance comparison to docs
  • Added a simple performance benchmark script to benchmark reads and writes
  • Performance improvements

0.0.5

  • Added Table.add_columns()
  • Added Table.rename_columns()
  • You can now use Table.columns = values to reorganize columns
  • Improved performance of all write operations
  • Changed minimum PyArrow requirement from 4.0.0 to 5.0.0

0.0.4

Warning: This update causes some API-breaking changes:

  • store.table renamed to store.select_table
  • list_tables and list_store argument like now uses ? as single-character wildcard instead of _.
  • Removed read_table_metadata and read_partition_metadata

Enhancements:

  • Added Table.update()
  • Added Table.insert()
  • Added Table.drop(), Table.drop_rows() and Table.drop_columns()
  • Added Table.shape and Table.exists
  • Removed msgpack dependency
  • Performance improvements

0.0.3

  • Added missing dependencies
  • Updated docs

0.0.2

Warning: This update causes some API-breaking changes:

  • Table.read() and Store.read_table() has now been renamed to read_arrow()
  • The parameter new_name in rename_%() functions and methods have been changed to to

Enhancements:

  • Improved read_polars() performance
  • Index column now appears first when reading data as Arrow or Polars
  • read_pandas() now converts to Pandas Series where it is possible
  • Improved performance of all metadata handling

0.0.1

Initial release.