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pg_textsearch-pg17-v0.5.1.tar.gz 2026-02-12 580.9 kB
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pg_textsearch-pg18-v0.5.1.tar.gz 2026-02-12 595.7 kB
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README.md 2026-02-12 1.2 kB
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Highlights

  • CREATE INDEX CONCURRENTLY: BM25 indexes now support concurrent index builds, allowing index creation without blocking writes.

  • WAND pivot selection: Multi-term queries use improved pivot selection for faster top-k retrieval, complementing the existing Block-Max WAND optimization.

  • Iterative index scans: Queries without an explicit LIMIT now use exponential backoff to avoid scanning the entire index upfront.

  • Progress reporting: CREATE INDEX now reports progress via pg_stat_progress_create_index, visible in standard Postgres monitoring tools.

  • Index scan statistics: BM25 index scans now report tuple and page counts via pg_stat counters (visible in pg_stat_user_indexes and EXPLAIN (ANALYZE, BUFFERS)).

Bug Fixes

  • Fixed BM25 scoring accuracy: block-max upper bounds now use minimum fieldnorm instead of average, preventing valid matches from being incorrectly skipped by BMW optimization.

  • Fixed implicit text <@> text operator resolution in DML subqueries (INSERT...SELECT, UPDATE...FROM, etc.).

  • Fixed to_bm25query() to reject index names that don't refer to a BM25 index.

Full Changelog: https://github.com/timescale/pg_textsearch/compare/v0.5.0...v0.5.1

Source: README.md, updated 2026-02-12