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- LOAD / INSTALL Statements 14931
- INSTALL The INSTALL statement downloads an extension so it can be loaded into a DuckDB session. Examples Install the httpfs extension: INSTALL httpfs; Install the h3 community extension : INSTALL h3 FROM community; Syntax LOAD The LOAD stat
...ement loads an installed DuckDB extension into the current session. LOAD does not install extensions: if the extension is not installe...LOAD to do both in one step. (When a query uses a function or feature of a known core extension, autoloading installs and loads it automatically.) Loading an extension also installs and loads any extensions it depends on. For example, loading iceberg...stalls the avro extension that it depends on. Examples Load the httpfs extension: LOAD httpfs; Load the spatial extension: LOAD spatial; Syntax INSTALL AND LOAD New The INSTALL AND LOAD statement was introduced in DuckDB 2.0. The INSTALL AND LOAD stat... - https://man.mtool.work/duckdb/2.0/sql/statements/load_and_install.html
- Deploy 9330
- Overview Deploying DuckDB-Wasm means serving its components so that the browser can fetch and instantiate them. This page describes each component a deployment needs to serve, how the worker and WebAssembly variants relate, how extensions a
...and instantiated by the browser. For further details, see below. DuckDB Extensions. Any relevant extensions the deployment loads. For further details, see below. Main Library Component This component is distributed as TypeScript or CommonJS JavaScript...duckdb-eh.wasm , loaded by the eh JS worker coi — for example duckdb-coi.wasm , loaded by the coi JS worker Each JS worker loads the WebAssembly module of its own flavor, so serve the module (or modules) that correspond to the JS workers you deploy. I... - https://man.mtool.work/duckdb/2.0/clients/wasm/deploying_duckdb_wasm.html
- Troubleshooting Quack 8682
- DuckDB 2.0 ships a polished version of Quack (first released in DuckDB 1.5.3) with substantial performance and stability improvements. If you experience any issues with Quack, try upgrading all your DuckDB clients to the latest version of t
...n: FORCE INSTALL quack; ATTACH Fails to Bind a Remote Table Definition When a Quack client runs ATTACH 'quack:⟨host⟩' , it loads the server's table definitions up front and binds them locally. A single definition that cannot be bound fails the entire... - https://man.mtool.work/duckdb/2.0/quack/troubleshooting.html
- Command Line Arguments 8367
- The table below summarizes DuckDB's command line options. To list all command line options, use the command: duckdb -help For a list of dot commands available in the CLI shell, see the Dot Commands page . Argument Description -agent Render
...bility version to use. To use the latest storage version, pass -storage-version latest -table Set output mode to table -ui Loads and starts the DuckDB UI . If the UI is not yet installed, it installs the ui extension -unredacted Allow printing unredac... - https://man.mtool.work/duckdb/2.0/clients/cli/arguments.html
- Securing Extensions 8367
- DuckDB has a powerful extension mechanism, which has the same privileges as the user running DuckDB's (parent) process. This introduces security considerations. Therefore, we recommend reviewing the configuration options listed on this page
...xtensions = false; Disabling Autoinstalling and Autoloading Known Extensions By default, DuckDB automatically installs and loads known extensions. To disable autoinstalling known extensions, run: SET autoinstall_known_extensions = false; To disable au... - https://man.mtool.work/duckdb/2.0/operations_manual/securing_duckdb/securing_ext...
- Write User Defined Functions 8209
- Overview The Rust client can register user-defined functions written in Rust: scalar functions with the vscalar feature and table functions with the vtab feature. Both operate on DuckDB's columnar data chunks, so a single call processes a b
...etadata footer. Start from the official extension-template-rs template, whose make debug produces a .duckdb_extension that loads with duckdb -unsigned . Further Reading Handle Results — the built-in ArrowVTab table function and the Arrow vector API sh... - https://man.mtool.work/duckdb/2.0/clients/rust/functions.html
- Load Extensions 8209
- Overview DuckDB-Wasm's (dynamic) extension loading is modeled after regular DuckDB's extension loading, with a few relevant differences due to the difference in platform. A growing subset of core, community, and external extensions is suppo
...AD The INSTALL semantic in native embeddings of DuckDB is to fetch, decompress from gzip and store data in local disk. The LOAD semantic in native embeddings of DuckDB is to (optionally) perform signature checks and dynamic load the binary with the ma...aded, rather than being bundled into the DuckDB-Wasm binary. For example: -- Explicitly load a core extension LOAD icu; -- Load spatial for geospatial support INSTALL spatial; LOAD spatial; -- Install a community extension, then load it INSTALL h3 FRO...; LOAD h3; -- Install an external extension from a repository INSTALL sqlite_scanner FROM 'https://extensions.duckdb.org'; LOAD sqlite_scanner; The core extensions commonly used with DuckDB-Wasm include: Extension name Description Aliases autocomplete... - https://man.mtool.work/duckdb/2.0/clients/wasm/extensions.html
- Python 8209
- The DuckDB Python package has its own repository at duckdb/duckdb-python and uses nanobind 3 to create Python bindings with DuckDB. Prerequisites This guide assumes: You have a full clone of the DuckDB Python package source, including its g
...# print(duckdb.sql("SELECT * FROM range(1000)").df()) lldb -- .venv/bin/python3 test.py In lldb: # Set breakpoint (library loads when imported) (lldb) br s -n duckdb::DuckDBPyResult::FetchDF (lldb) r Cross-Platform Testing You can run the Packaging wo... - https://man.mtool.work/duckdb/2.0/dev/building/python.html
- Installing Extensions 8209
- To install core DuckDB extensions, use the INSTALL command. For example: INSTALL httpfs; This installs the extension from the default repository ( core ). Extension Repositories By default, DuckDB extensions are installed from a single repo
...nightly DuckDB build could be ~/.duckdb/extensions/fc2e4b26a6/linux_amd64 . To change the location where DuckDB stores and loads its extensions, use the extension_directories configuration option. It takes a list of directories: extensions are install... - https://man.mtool.work/duckdb/2.0/extensions/installing_extensions.html
- AWS Extension 8052
- The aws extension adds functionality, e.g., authentication, on top of the httpfs extension's S3 capabilities , using the AWS SDK. Installing and Loading The aws extension will be transparently autoloaded on first use from the official exten
...d the AWS credentials in the legacy authentication method . Function Type Description load_aws_credentials PRAGMA function Loads the AWS credentials through the AWS Default Credentials Provider Chain Load AWS Credentials (Legacy) To load the AWS crede... - https://man.mtool.work/duckdb/2.0/core_extensions/aws.html
DuckDB 2.0 Documentation / man.mtool.work