Michael Ummels

Add support for Proto 3 Optionals

1

Protobuf 3.12 has added support for [optional fields](https://github.com/protocolbuffers/protobuf/blob/master/docs/implementing_proto3_presence.md), and with version 3.15 this is no longer an experimental feature. Since the compiler plugin for `rsocket-rpc-java` depends on an older version...

ScheduledReporter reports metrics when stopped/closed even when not started

2

`ScheduledReporter`'s `close` method calls its `stop` method, which calls `report` to report the metrics "one last time". This also happens if `start` has never been called. In a SpringBoot application...

Unconstrained rels generate incorrect SQL queries

2

If I appy `sql` to a rel generate by `table`, the generated SQL query does not contain the table name, so `select` fails: ``` => (def t (table "test")) =>...

Check whether reporter is started before reporting metrics one last time. Closes https://github.com/dropwizard/metrics/issues/4135

Better describe what `Coercing.valueToLiteral` is for

2

While upgrading to GraphQL Java 21, I stumbled over the method `valueToLiteral` offered by the `Coercing` interface. So far, when implementing a custom scalar, I haven't bothered about implementing this...

## Motivation We have tried implementing a reactive state machine, i.e. a function that takes a `Flux` and returns a `Flux`. The state transition function is naturally reactive, i.e. it...