Maintain a custom PG to PG Connection With libpq’s COPY protocol

July 8, 2022

1. Introduction Recently in my development work, a custom connection is required to be maintained between a PG backend on primary and another PG backends on standby nodes to communicate custom data in addition to the existing walsender/walreceiver connection that streams WAL data. Of course, I could just create a new standalone backend and maintain…
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