[plugin-postgres] suppress fetchXlogLocation when wal_level != 'logical' by handlename · Pull Request #804 · mackerelio/mackerel-agent-plugins
When wal_level is not set to logical, suppress fetchXlogLocation to avoid error.
Motivation
On AWS RDS Aurora PostgreSQL,
SELECT pg_is_in_recovery() returns f but wal_level is replica
$ psql -U XX...
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