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Merged
Ziinc merged 2 commits into from
Jul 1, 2025
Merged

Quote identifier names #23

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5a70a6e
Quote identifier names
josevalim Apr 22, 2025
4a35941
Test
josevalim Apr 22, 2025
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2 changes: 1 addition & 1 deletion lib/strategy.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ defmodule LibclusterPostgres.Strategy do

def handle_info(:heartbeat, state) do
Process.cancel_timer(state.meta.heartbeat_ref)
Postgrex.query(state.meta.conn, "NOTIFY #{state.config[:channel_name]}, '#{node()}'", [])
Postgrex.query(state.meta.conn, "NOTIFY \"#{state.config[:channel_name]}\", '#{node()}'", [])
ref = heartbeat(state.config[:heartbeat_interval])
{:noreply, put_in(state.meta.heartbeat_ref, ref)}
end
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14 changes: 14 additions & 0 deletions test/strategy_test.exs
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Expand Up @@ -26,6 +26,20 @@ defmodule LibclusterPostgres.StrategyTest do
assert_receive {:notification, _, _, ^channel_name, ^node}, 1000
end

@quoted_config Keyword.put(@config, :channel_name, "123_oops")
test "sends psql notification with cluster information to a channel that requires quoting" do
verify_conn_notification = start_supervised!({Notifications, @quoted_config})
Notifications.listen(verify_conn_notification, @quoted_config[:channel_name])

topologies = [postgres: [strategy: LibclusterPostgres.Strategy, config: @quoted_config]]
start_supervised!({Cluster.Supervisor, [topologies]})

channel_name = @quoted_config[:channel_name]
node = "#{node()}"

assert_receive {:notification, _, _, ^channel_name, ^node}, 1000
end

describe "connect via cookie" do
@cookie_config Keyword.put(@config, :channel_name, "my_random__123_long_cookie")
@cookie :"my-random-#123-long-cookie"
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