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DuckDB 1.3 ドキュメント 全文検索
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- Full-Text Search – DuckDB 11228
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...s within longer text strings. Example: Shakespeare Corpus Here's an example of building a full-text index of Shakespeare's plays. CREATE TABLE corpus AS SELECT * FROM 'https://blobs.duckdb.org/data/shakespeare.parquet' ; DESCRIBE corpus ; column_name...column_type null key default extra line_id VARCHAR YES NULL NULL NULL play_name VARCHAR YES NULL NULL NULL line_number VARCHAR YES NULL NULL NULL speaker VARCHAR YES NULL NULL NULL text_entry VARCH...and the column(s) to index. We will just index the single column text_entry , which contains the text of the lines in the play. PRAGMA create_fts_index ( 'corpus' , 'line_id' , 'text_entry' ); The table is now ready to query using the Okapi BM25 ran... - https://man.mtool.work/duckdb/1.3/guides/sql_features/full_text_search.html
- Concurrency – DuckDB 7485
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...lso simultaneously update separate tables or separate subsets of the same table. Optimistic concurrency control comes into play when two threads attempt to edit (update or delete) the same row at the same time. In that situation, the second thread to... - https://man.mtool.work/duckdb/1.3/connect/concurrency.html
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