Function: readPointer()
readPointer<
TBody>(queryable,channel,pointer,options):Promise<TopicMessage<TBody> |undefined>
Fetch the one stored envelope a pointer names. Returns undefined when the row
is gone (TTL cleanup won the race) or the reader lacks the table’s grant, both
of which are expected on the restricted tier rather than errors.
Type Parameters
Section titled “Type Parameters”TBody extends SerializableValue
Parameters
Section titled “Parameters”queryable
Section titled “queryable”channel
Section titled “channel”string
pointer
Section titled “pointer”options
Section titled “options”ResolvedTopicBusPersistenceOptions
Returns
Section titled “Returns”Promise<TopicMessage<TBody> | undefined>