Skip to content

Add configuration option to use named replication slots #37

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 22, 2020
Merged

Add configuration option to use named replication slots #37

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 6 additions & 1 deletion server/lib/realtime/application.ex
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,11 @@ defmodule Realtime.Application do
# Use this var to convert to sigil at connection
host = System.get_env("DB_HOST") || 'localhost'
port = System.get_env("DB_PORT") || 5432
# Use a named replication slot if you want realtime to pickup from where
# it left after a restart because of, for example, a crash.
# You can get a list of active replication slots with
# `select * from pg_replication_slots`
slot_name = System.get_env("SLOT_NAME") || :temporary
{port_number, _} = :string.to_integer(to_charlist(port))
epgsql_params = %{
host: ~c(#{host}),
Expand All @@ -29,7 +34,7 @@ defmodule Realtime.Application do
{
Realtime.Replication,
epgsql: epgsql_params,
slot: :temporary, # :temporary is also supported if you don't want Postgres keeping track of what you've acknowledged
slot: slot_name,
wal_position: {"0", "0"}, # You can provide a different WAL position if desired, or default to allowing Postgres to send you what it thinks you need
publications: ["supabase_realtime"]
},
Expand Down