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Statically Linking Extensions 12426
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 ... xtension.a The list of extensions to link in is now chosen when linking, not when compiling. As a follow-up, the extension loader and the built-in httplib also became opt-in at link time ( duckdb#26188 ). Two aspects that earlier builds relied on are g ... into a single libduckdb_bundle.a . Extensions, httplib , and loadable extensions are now separate archives. The generated loader that libduckdb_static.a used to register extensions automatically. libduckdb_static.a no longer registers extensions on it ... n(describe) , which validates the descriptor and registers the extension for every database opened afterwards. A generated loader ( static_extension_loader.c ) defines duckdb_register_static_extensions() , which passes every linked extension's describe ...
https://man.mtool.work/duckdb/2.0/dev/building/linking_extensions.html
Troubleshoot 8377
Overview This page collects common issues encountered when using the DuckDB JDBC driver, together with their workarounds. If you run into a problem that is not covered here, search the driver's issue tracker on GitHub. Driver Class Not Foun ... this error: Exception in thread "main" java.lang.ClassNotFoundException: org.duckdb.DuckDBDriver at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loa ... dClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at java.base/java.lang.Class.forName0(Native ...
https://man.mtool.work/duckdb/2.0/clients/java/troubleshoot.html
Data Import 8266
Recommended Import Methods When importing data from other systems to DuckDB, there are several considerations to take into account. We recommend importing using the following order: For systems which are supported by a DuckDB scanner extens ... rt feature in the data source system, export the data to Parquet or CSV format, then load it using DuckDB's Parquet or CSV loader . If the approaches above are not applicable, consider using the DuckDB appender , currently available in the C, C++, Go, ...
https://man.mtool.work/duckdb/2.0/guides/performance/import.html
Troubleshoot 7877
Overview This page collects common issues encountered when using the DuckDB Go client, together with their workarounds. Because the client uses cgo to embed DuckDB, most build problems are cgo or linker problems. If you run into a problem t ... shared library ( .so on Linux, .dylib on macOS) from the DuckDB releases page , then build and run with the library on the loader path: # On Linux. CGO_ENABLED=1 CGO_LDFLAGS="-lduckdb -L/path/to/libs" go build -tags=duckdb_use_lib main.go LD_LIBRARY_PA ...
https://man.mtool.work/duckdb/2.0/clients/go/troubleshoot.html
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DuckDB 2.0 Documentation / man.mtool.work