Release Date
2015-??-??
- Current as of 2015-08-03
+ Current as of 2015-10-03
+ Teach the planner to use statistics obtained from an expression
+ index on a boolean-returning function, when a matching function call
+ appears in WHERE> (Tom Lane)
+
+
+
+
+
+ Make ANALYZE> compute basic statistics (null fraction and
+ average column width) even for columns whose data type lacks an
+ equality function (Oleksandr Shulgin)
+
+
+
+
+
+ Rework truncation of the multixact commit log to be properly
+ WAL-logged (Andres Freund)
+
+
+ This makes things substantially simpler and more robust.
+
+
+
+
+
- Allow to set multiple columns in
- an UPDATE>> to the result of a
- single subselect (Tom Lane)
+ Allow setting multiple target columns in
+ an UPDATE>> from the result of
+ a single sub-SELECT (Tom Lane)
+ Fix calculation of TPS number excluding connections
+ establishing> (Tatsuo Ishii, Fabien Coelho)
+
+
+ The overhead for connection establishment was miscalculated whenever
+ the number of pgbench threads was less than the number of client
+ connections. Although this is clearly a bug, we won't back-patch it
+ into pre-9.5 branches since it makes TPS numbers not comparable to
+ previous results.
+
+
+
+
+