02-read-write-split

Primary and read replicas

ReplicaSet.Read() returns only the generated read wrapper and balances calls across replicas. ReplicaSet.Write() returns the primary-capable wrapper for writes and strong reads.

RW_PRIMARY_DSN='postgres://user:pass@primary/accounts?sslmode=disable' \
RW_REPLICA_DSN='postgres://user:pass@replica/accounts?sslmode=disable' \
  go run ./examples/02-read-write-split