Christophe Pettus: All Your GUCs in a Row: primary_conninfo
`primary_conninfo` tells a standby where to stream WAL from—but only after the archive and pg_wal run dry. (I consult on PostgreSQL through PGX Inc..)
原文：https://www.a8q9.cn/en/article/christophe-pettus-all-your-gucs-in-a-row-primary-conninfo-668b90.html