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- Statically Linking Extensions 12131
- This page is for client and binding authors, and for anyone who embeds libduckdb in their own application. It describes how statically linking extensions changed in DuckDB 2.0 and what builders on top of DuckDB need to do. This change is in
...extension archive carries a generated describe function, duckdb_extension_⟨name⟩_describe , that fills a duckdb_extension_descriptor declared in the new public header duckdb_static_extension.h . The descriptor carries a layout version, so the engine refus...es an archive whose descriptor layout it does not support, with a clear message instead of misbehaving. The engine exposes a C API call, duckdb_register_...static_extension(describe) , which validates the descriptor and registers the extension for every database opened afterwards. A generated loader ( static_extension_loader.c ) defines... - https://man.mtool.work/duckdb/2.0/dev/building/linking_extensions.html
- ODBC 101: A Duck Themed Guide to ODBC 9523
- What is ODBC? ODBC which stands for Open Database Connectivity, is a standard that allows different programs to talk to different databases including, of course, DuckDB. This makes it easier to build programs that work with many different d
...les, each with a different purpose, these are the environment handle, the connection handle, the statement handle, and the descriptor handle. Handles are allocated using the SQLAllocHandle which takes as input the type of handle to allocate, and a pointer...ional information | To facilitate the execution of concurrent queries, multiple handles can be allocated per connection. | Descriptor | Handle name | Descriptor | | Type name | SQL_HANDLE_DESC | | Description | Describes the attributes of a data structure... - https://man.mtool.work/duckdb/2.0/guides/odbc/general.html
- I/O 7877
- Warning DuckDB ships with safe defaults. The configuration options described on this page are advanced options, so proceed with caution when changing them. Asynchronous I/O New Asynchronous I/O was introduced in DuckDB 2.0. Starting with v2
...ity is derived automatically from the number of CPU threads and asynchronous threads, bounded by the operating system file-descriptor limit, and capped at 256. Resizing async_threads also resizes the automatic pool so that it tracks the asynchronous pool.... - https://man.mtool.work/duckdb/2.0/data/io.html
- ODBC Extension Functions 7397
- odbc_begin_transaction odbc_bind_params odbc_close odbc_commit odbc_connect odbc_copy odbc_create_params odbc_list_data_sources odbc_list_drivers odbc_query odbc_rollback odbc_begin_transaction odbc_begin_transaction(conn_handle BIGINT) ->
..._through_ard ( BOOLEAN , default: false ): when reading a DECIMAL specify its precision and scale through "Application Row Descriptor" decimal_columns_as_ard_type ( BOOLEAN , default: false ): when reading a DECIMAL use SQL_ARD_TYPE instead of SQL_C_NUMERI... - https://man.mtool.work/duckdb/2.0/core_extensions/odbc/functions.html
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