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Reference 11761
This page lists the functions, settings, and log types exposed by the quack extension . For a tour of the protocol, start with the Overview . Function Reference Server Management Function Description quack_serve(⟨listen_uri⟩, ...) Start a s ... itted, the token of the default quack secret is used if one exists, otherwise a random token is generated. secret VARCHAR (unset) Name of an existing quack secret whose token the server uses. create_secret_if_not_exists BOOLEAN false If no token is gi ... . This also forces the DuckDB client to refresh its catalog. ATTACH Options Option Type Default Description TOKEN VARCHAR (unset) Authentication token. Overrides any matching quack secret on the client side. DISABLE_SSL BOOLEAN true for local, else fa ... o plain HTTP. TYPE VARCHAR inferred Pin the secret type used for token resolution (e.g., quack ). SSL_FINGERPRINT VARCHAR (unset) Expected fingerprint of the server's certificate, e.g., the fingerprint returned by quack_generate_keys . Use this to con ...
https://man.mtool.work/duckdb/2.0/quack/reference.html
COMMENT ON Statement 9930
The COMMENT ON statement allows adding metadata to catalog entries (tables, columns, etc.). It follows the PostgreSQL syntax . Examples Create a comment on a TABLE : COMMENT ON TABLE test_table IS 'very nice table'; Create a comment on a CO ... ry nice macro'; Create a comment on a MACRO TABLE : COMMENT ON MACRO TABLE test_table_macro IS 'very nice table macro'; To unset a comment, set it to NULL , e.g.: COMMENT ON TABLE test_table IS NULL; Reading Comments Comments can be read by querying t ...
https://man.mtool.work/duckdb/2.0/sql/statements/comment_on.html
Troubleshoot 8543
Overview This page collects common issues encountered when using the DuckDB Rust client, together with their workarounds. If you run into a problem that is not covered here, search the client's issue tracker on GitHub. Linking against a Sys ... crate's version from GitHub Releases, caches it under target/ , and adds it to the linker search path. Leave DUCKDB_STATIC unset, because the downloaded archives contain only the dynamic library: DUCKDB_DOWNLOAD_LIB=1 cargo build Use a Package Manager ...
https://man.mtool.work/duckdb/2.0/clients/rust/troubleshoot.html
Vector Similarity Search Extension 6712
The vss extension is an experimental extension for DuckDB that adds indexing support to accelerate vector similarity search queries using DuckDB's new fixed-size ARRAY type. See the announcement blog post and the “What's New in the Vector S ... s can be useful if you want to trade search performance for accuracy or vice-versa on a per-connection basis. You can also unset the override by calling RESET hnsw_ef_search . Persistence Due to some known issues related to persistence of custom exten ...
https://man.mtool.work/duckdb/2.0/core_extensions/vss.html
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