2.4.7

Fixed

• When an optional node (for negation without existence) was not at the end of
  the query, find queries could give an empty output (#267).
• Create default components for the graph type when importing GraphML files.

2.4.6

Changed

• Compile release for macOS on version 11 (Big Sur). This is necessary, since
  GitHub actions deprecated the older macOS version.

2.4.5

Changed

• Compile releases on Ubuntu 20.04 instead of 18.04, which means the minimal
  GLIBC version is 2.31. This is necessary, since GitHub actions deprecated this
  Ubuntu version.

Fixed

• Update quick-xml to version 0.28 to avoid issues in future Rust versions
• Update sstable to version 0.11 to avoid issues in future Rust versions
• Update actix-web to version 4 to avoid issues in future Rust versions
• Update config crate to version 0.13 to avoid issues in future Rust versions
• Update diesel to version 2.0 due to issue in sqlite dependency

2.4.4

Fixed

• Importing a corpus with a relative path directly under the current working
  directory would fail if the corpus has linked files.
• Output of data items in GraphML for node/edge annotations could be unordered
  and cause test failures if comparing GraphML files.

2.4.3

Fixed

• Update smartstring crate to version 1 to avoid issues with newer Rust
  versions.

2.4.2

Fixed

• After re-using a deleted symbol ID (used in the annotation storage), the
  retrieved value was empty.

2.4.1

Fixed

• When importing relANNIS corpora with sub-corpora, add the PartOf edge to the
  parent corpus node of the document or sub-corpora, but not automatically to
  the top-level corpus.

2.4.0

Added

• Allow to configure how spans should be interpreted in the view when the token
  layer is representing a timeline with the timeline_strategy parameter in the
  view section of the corpus configuration. This allows the view to
  reconstruct an implicit relation between spans and their segmentation nodes
  (which is not possible to represent in the legacy relANNIS data model). New
  corpora should use explicit Coverage edges between spans and their
  segmentation nodes, but in order to maintain backward compatibility with
  relANNIS, we need to support these older corpus configuration values
  (virtual_tokenization_mapping and virtual_tokenization_from_namespace),
  which only affect the display of the corpora.

2.3.0

Fixed

• Fixed wrong result order for non-token searches.
• Estimation for negated regex was extremely off when the regex could possibly
  match all values. This caused problematic query plans including those with
  nested loop joins and long execution times.
• Better estimation of result sizes for regular expressions with multiple
  prefixes.
• Fix compilation issues in Rust projects that use the 2021 Rust edition.
  lalrpop/lalrpop#650
• Faster subgraph generation for subgraph queries with context. The previous
  implementation used an AQL query that got quite complex over time and was
  difficult to execute. The new implemenation directly implements the logic
  using iterators. It also sorts the nodes in the iterator by the order of the
  node in the text.

Added

• Add edges to the special Ordering/annis/datasource-gap between the last and
  first token of context regions in subgraph when the returned context regions
  do not overlap. This allows sorting the context regions that belong to the
  same data source but are not connected by ordinary Ordering/annis/ edges.

2.2.2

Fixed

• Use external sorting for match results to avoid out of memory errors for large
  results.