Fine tune logging (#605)

* Fine tune logging

* Move log_statement after discussion

Author: eberlep

api/v1/postgres_types.go

@@ -962,9 +962,10 @@ func enableAuditLogs(parameters map[string]string) {
 	// default values: bg_mon,pg_stat_statements,pgextwlist,pg_auth_mon,set_user,timescaledb,pg_cron,pg_stat_kcache
 	parameters["shared_preload_libraries"] = "pg_stat_statements,pgextwlist,pg_auth_mon,set_user,timescaledb,pg_cron,pg_stat_kcache,pgaudit"
 	parameters["pgaudit.log_catalog"] = "off"
-	parameters["pgaudit.log"] = "ddl"
+	parameters["pgaudit.log"] = "ddl,role"
 	parameters["pgaudit.log_relation"] = "on"
 	parameters["pgaudit.log_parameter"] = "on"
+	parameters["log_statement"] = "none"
 }
 
 // setDefaultPostgresParams configures default keepalive values