Some (long) time ago, someone on irc suggested that I add option to keep track of optimizations of queries. Sorry, I forgot your name, and the mails disappeared in some crash. Anyway - right now, when you are on some plan page, ...

I missed it completely, but on 24th of March 2017, Alvaro Herrera committed patch: Implement multivariate n-distinct coefficients Add support for explicitly declared statistic objects (CREATE STATISTICS), allowing collection of statistics on more complex combinations that individual table columns. Companion commands DROP STATISTICS and ...

On 9th of December, Robert Haas committed patch: Allow EXPLAIN (ANALYZE, VERBOSE) to display per-worker statistics. The original parallel sequential scan commit included only very limited changes to the EXPLAIN output. Aggregated totals from all workers were displayed, but there was no way ...

Some time ago I was contacted by Adam Smith - he pointed out that subquery names in "Subquery Scan" nodes were not properly anonymized. Now, they are, which you can see in here: normal version anonymized version While working on it, I also added ...

Some time ago Karl Bartel asked me to add ability to parse plans that were done using "ANALYZE ON, TIMING OFF". Initially I didn't see the point, but he said that explain.depesz.com allows him to hide parts of the tree, ...

There are some cases where you might want to get your own copy of explain.depesz.com. You might not trust me with your explains. You might want to use it without internet access. Or you just want to play with it, ...

Uploaded new version to the server - straight from GitHub. There are two changes - one visible, and one not really. The invisible change, first, is one for people hosting explain.depesz.com on their own. As you perhaps know you can get ...

On 4th of March, Alvaro Herrera committed patch: auto_explain: Add logging of trigger execution Author: Kyotaro HORIGUCHI Reviewed-by: Jaime Casanova

On 29th of January, Robert Haas committed patch: Include planning time in EXPLAIN ANALYZE output. This doesn't work for prepared queries, but it's not too easy to get the information in that case and there's some debate as to exactly what the right thing ...

On 12th of December, Tom Lane committed patch: Improve EXPLAIN to print the grouping columns in Agg and Group nodes. Per request from Kevin Grittner.