Add first draft of shared buffers statistics when pg_buffercache extension is installed. Thanks to Thom Brown for the feature request.
Fix report of isdirty statistics.
Disable collect of cache statistics per relation, unused at this stage.
Fix error when pg_buffercache is not installed.
Add --exclude-time to stop collecting statistics during a period of time. Ex: --exclude-time "22:00-06:00" to stop collecting data from 22:00 to 06:00 am the next day. Thanks to Thom Brown for the feature request.
Really fix error when pg_buffercache is not installed.
Update documentation and usage about --exclude-time
Review code and use one method per report.
Fix affected tuples per operation per database where tuples fetched was used as select instead of tuples returned. Thanks to kenstir for the report.