Unified read function with dispatch via dispatch.json. Reads from S3
metadata cache for data readers.
Arguments
- conn
A
datom_connobject fromdatom_get_conn().- name
Table name.
- version
Optional metadata_sha (datom version). If NULL, uses current.
- context
Optional context for dispatch (e.g., "default", "cached").
- ...
Additional parameters forwarded to routed function.