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CHANGELOG

1.0.1 (September 23, 2025)

Features

  • Support for | operator in node labels (#79, thanks @ericnwrites!)

1.0.0 (May 23, 2025)

Breaking Changes

  • The RETURN clause on nodes now returns a list of dictionaries instead of a list of IDs. This is compatible with the actual Cypher spec, but breaks compatibility with the previous version. For more information, see #73 and #57.
  • Migrate to uv for package management (#74)

0.14.0 (March 18 2025)

Features

  • Support for hints in the run method (#67)

0.13.0 (February 17 2025)

Housekeeping

  • Remove EOL Python 3.7 and 3.8 from CI, and adds 3.12 and 3.13 (#66, thanks @davidmezzetti!)

Features

  • Support for IN clause (#66, thanks @davidmezzetti!)

Fixes

  • Fix regression in null / true / false (#66, thanks @davidmezzetti!)

0.12.0 (January 10 2025)

Housekeeping

  • Switch to maintained lark parser (#60, thanks @ntjess!)

0.11.0 (December 4 2024)

Features

  • Support multidigraph/digraph without up-conversion (#55, thanks @jackboyla!)

0.10.0 (October 18 2024)

Bugfix for searching multigraphs, and other improvements for multigraphs.

Features

  • Aliasing (RETURN SUM(r.value) AS myvalue) (#46, thanks @jackboyla!)

Fixes

  • Fix bug in searching multigraphs where unwanted edges between returned nodes were returned (#48, thanks @jackboyla!)
  • Unify digraph and multigraph implementations (#46, thanks @jackboyla!)

0.9.0 (June 11 2024)

Support for aggregate functions like COUNT, SUM, MIN, MAX, and AVG.

Features

  • Support for aggregate functions like COUNT, SUM, MIN, MAX, and AVG (#45, thanks @jackboyla!)
  • Logical OR support in relationship matches (#44, thanks @jackboyla!)

Testing

  • Combine tests for digraphs and multidigraphs (#43, thanks @jackboyla!)

0.8.0 (May 14 2024)

Support for MultiDiGraphs.

Features

  • Support for MultiDiGraphs (#42, thanks @jackboyla!)

0.7.0 (May 4 2024)

Support for ORDER BY and DISTINCT

Features

  • Support for ORDER BY in queries, including ASC and DESC, and chaining multiple sorts (#41, thanks @jackboyla!)
  • Support for DISTINCT in queries (#40, thanks @jackboyla!)

Housekeeping

  • Refactor return for readability (#41, thanks @jackboyla!)

0.6.0 (February 15 2024)

New path group operator

Features

  • Support for path group operators (#37)

0.5.0 (February 13 2024)

Lots of language support for new query operators.

Features

  • Support for C-style comments in queries with // (#31)
  • Support for string operators, like CONTAINS, STARTS WITH, and ENDS WITH (#33)
  • Support for negation of clauses with NOT (#33)

Performance

  • Huge performance boost for nonexhaustive queries via streaming matches (#34, thanks @davidmezzetti!)

Housekeeping

  • Added more recent version of Python (3.9 through 3.11) to CI (#33)

0.4.0 (October 17 2023)

Many performance updates, language features, and label support.

Features

  • Support for multi-hop queries in MATCH statements (#24, thanks @khoale88!)
  • Support for single edge and node labels using the __labels__ magic property (#25, thanks @khoale88!)

Performance

  • Performance improvements by @khoale88 that eliminate duplicated entity lookups (#28)

0.3.0 (December 14 2022)

This version adds support for boolean arithmetic with AND/OR, and other language features.

Features

  • Support for boolean arithmetic with AND/OR (#20, thanks @khoale88!)
  • Support for undirected edges ((A)-[]-(B))

Housekeeping

  • Add install dependencies to setup.py

0.2.0 (December 12 2022)

Lots of great new language support by @khoale88, thank you!!

Performance

  • Improves performance of the limit argument by offloading the result-limiting behavior to grandiso.

Features

  • Add behavior for disconnected matches of multiple graph components (#17, thanks @khoale88!)
  • Add support for anonymous nodes (#16, thanks @khoale88!)
  • Support chained edges like (A)-[]->(B)-[]-(C) (#15, thanks @khoale88!)
  • Support backwards edges (#14, thanks @khoale88!)
  • Support NULL and the is operator in queriy WHERE and property queries (#13, thanks @khoale88!)

0.1.1 (October 1 2021)

This version adds support for node-only matches.

0.1.0 (March 23 2021)

This version adds initial support for querying networkx-flavored graphs with the Cypher query language.