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Module plugin

linkrs_query::executor::expression::functions::udf

Module plugin

Expand description

UDF plugin interface.

A dynamically loaded library must export udf_create / udf_destroy and may optionally export udf_abi_version for compatibility checks.

Constants§

UDF_ABI_VERSION: ABI version implemented by the host. Plugins reporting a different version through udf_abi_version are rejected at load time.
UDF_ABI_VERSION_SYMBOL: Symbol name of the optional ABI version probe.
UDF_CREATE_SYMBOL: Symbol name of the plugin factory function.
UDF_DESTROY_SYMBOL: Symbol name of the plugin destructor function.

Traits§

UdfPlugin: Plugin interface implemented by user defined functions.

Functions§

check_arity: Validate the argument count against the plugin-declared range.

Type Aliases§

SharedPlugin: Shared ownership handle used to register a plugin as a custom function.
UdfAbiVersionFn: Optional ABI version probe exported by a UDF dynamic library.
UdfCreateFn: Factory function type exported by a UDF dynamic library.
UdfDestroyFn: Destructor function type exported by a UDF dynamic library.