Module custom_data 

Custom-data plug point.

A plug-in registers one CustomDataVTable per concrete custom-data type. The host calls through the vtable to decode JSON envelopes from the wire and to encode/decode Arrow IPC batches for catalog persistence.

Structs

CustomDataHandle

Opaque handle to a single custom-data value owned by the plug-in.

CustomDataVTable

Function table for a single custom-data type.

MetadataEntry

A single key/value pair in batch-decode metadata.

PluginCustomDataRef

Borrowed view of a plug-in custom-data value during on_data dispatch.

Traits

PluginCustomData

Author-facing trait for a custom-data type contributed by a plug-in.

Functions

custom_data_vtable

Returns a &'static CustomDataVTable for the given PluginCustomData type.