The problem is MsgTimeoutNow always results in a new election, because
it explicitly ignores the pre_vote step. This results in integration
test flakiness whenever a follower calls promote_or_fail while the
leader's raft log is longer.

- update sbroad submodule to commit with helper
patches for dml on global tables
- add support for sql dml insert/update/delete
on global tables. Insert on conflict is not
supported yet
- Current implementation uses a single batch of
dml commands via CAS. No additional predicates
are used in CAS, so no isolation level is guaranteed
even when query only refers to global tables

1. make it non-nullable
2. fix tests

Kurdakov Alexander authored 9 months ago and Alexander Kurdakov committed 9 months ago

following sections were renamed:
tiers -> tier
peers -> peer

- rename it to proc_sql_dispatch
- modify args so that it's more suitable for public RPC API