Unverified50% confidenceFactExact time
In the local SQLite fact storage, FTS5 provides an inverted index for lexical retrieval, and a prefetch mechanism injects up to 5 facts into context per turn.
1
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50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
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Related Claims
UnverifiedFTS5 is based on the inverted index principle, recording the documents and positions where each term appears using terms as keys, which is the same underlying principle as search engines.73% similarUnverifiedFull-text search builds an inverted index over document text and matches via keywords, stemming, Boolean combinations, and the like, with representative implementations including Elasticsearch, PostgreSQL's tsvector, and SQLite's FTS5.68% similarUnverifiedFor personal projects and small-to-medium-scale data management, SQLite FTS5 is more suitable than large-scale search infrastructure such as Elasticsearch or vector databases.68% similarUnverifiedDatabricks' Query History records the execution plan, number of rows scanned, and time elapsed for each SQL statement, and can be used to diagnose full table scans, data skew, or join strategy issues.67% similarUnverifiedSQLite's built-in FTS5 full-text search engine and R*Tree spatial index are themselves implementations of virtual tables.66% similar
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