docs: split out sort-skip partition item in PG 12 release notes

Discussion: https://postgr.es/m/0cf10a27-c6a0-de4a-cd20-ab7493ea7422@lab.ntt.co.jp

diff --git a/doc/src/sgml/release-12.sgml b/doc/src/sgml/release-12.sgml
index 74faa5c37db50e7ce433351eb340fcd7ad6adde7..69899b203d8c67a2e9057b2c12ee91a3b5535165 100644 (file)
--- a/doc/src/sgml/release-12.sgml
+++ b/doc/src/sgml/release-12.sgml
@@ -418,8 +418,6 @@ Author: Robert Haas 
 2019-02-21 [9eefba181] Delay lock acquisition for partitions until we route a t
 Author: Tom Lane 
 2019-03-30 [428b260f8] Speed up planning when partitions can be pruned at plan 
-Author: Tom Lane 
-2019-04-05 [959d00e9d] Use Append rather than MergeAppend for scanning ordered 
 -->
 
        
@@ -490,6 +488,18 @@ Author: Alvaro Herrera 
 
       
 
+
+       
+        Avoid sorting when partitions are already being scanned in the
+        necessary order (David Rowley)
+       
+      
+
+      
+