From 64084d6857b1d8ac05ae46f658b6c244aa6ab591 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Thu, 9 May 2019 16:44:27 -0400 Subject: [PATCH] doc: update PG 12 release notes, v2 Adjustments requested by reviewers. Reported-by: Amit Kapila, Thomas Munro, Andrew Gierth, Amit Langote, Oleg Bartunov, Michael Paquier, Alvaro Herrera, Tatsuo Ishii Discussion: https://postgr.es/m/20190506233029.ozwged67i7s4qd6c@momjian.us --- doc/src/sgml/release-12.sgml | 81 ++++++++++++++++-------------------- 1 file changed, 36 insertions(+), 45 deletions(-) diff --git a/doc/src/sgml/release-12.sgml b/doc/src/sgml/release-12.sgml index 88bdcbdd41f..ff8937a7572 100644 --- a/doc/src/sgml/release-12.sgml +++ b/doc/src/sgml/release-12.sgml @@ -6,7 +6,7 @@ Release date: - 2019-??-?? AS OF 2019-05-04 + 2019-??-?? AS OF 2019-05-09 @@ -60,9 +60,12 @@ Remove the special behavior of OID columns (Andres Freund, John Naylor) -Previously, a normally-invisible OID column could be specified during table creation using WITH OIDS; that ability has been removed. Columns can still be explicitly -specified as type OID. pg_dump and pg_upgrade operations on databases using WITH OIDS will need adjustment. Many system tables now have an 'oid' column that will be -expanded with SELECT * by default. +Previously, a normally-invisible OID column could be specified during table +creation using WITH OIDS; that ability has been removed. Columns can +still be explicitly specified as type OID. Operations on tables that +have columns named 'oid' (created using WITH OIDS) will need adjustment. +Many system tables now have an 'oid' column that will be expanded with +SELECT * by default. @@ -99,7 +102,8 @@ Move recovery.conf settings into postgresql.conf (Fujii Masao, Simon Riggs, Abhi -recovery.conf is no longer used, and recovery.signal and standby.signal are used to switch into non-primary mode. +recovery.conf is no longer used, and the server will not start if the +file exists. recovery.signal and standby.signal are now used to switch into non-primary mode. trigger_file has been renamed to promote_trigger_file. The standby_mode setting has been removed. @@ -172,6 +176,23 @@ Improve behavior and error reporting for the line data type (Emre Hasegeli) + + + + +Avoid performing unnecessary rounding of REAL and DOUBLE PRECISION values (Andrew Gierth) + + + +This dramatically speeds up processing of floating-point values, though +trailing digits are display slightly differently. Users who wish to have output that is rounded can set +extra_float_digits=0. + + + - - -Avoid performing unnecessary rounding of REAL and DOUBLE PRECISION values (Andrew Gierth) - - - -This dramatically speeds up processing of floating-point values. Users who wish to have output that is rounded can set extra_float_digits=0. - - - - - - - -Avoid creation of the free space map files for small table (John Naylor, Amit Kapila) - - - -Such files are not useful. - - - -Use pread() and pwrite() for random I/O (Thomas Munro) +Use pread() and pwrite() for random I/O (Oskari Saarenmaa, Thomas Munro) @@ -1717,10 +1704,12 @@ MENTION ITS AFFECT ON ORDERING? -Add CREATE TABLE option to prevent VACUUM from truncating trailing empty pages (Tsunakawa Takayuki) +Add VACUUM and CREATE TABLE options to prevent VACUUM from truncating trailing empty pages (Tsunakawa Takayuki) @@ -1910,7 +1899,7 @@ Add support for the SQL/JSON path language (Nikita Glukhov, Teodor Sigaev, Alexa -This allows JSON values to be selected using an SQL-standard language. +This allows execution of complex queries on JSON values using an SQL-standard language. @@ -2527,7 +2516,7 @@ Author: Andres Freund --> -Add CREATE ACCESS METHOD command to create new table types (Haribabu Kommi, Andres Freund, Alvaro Herrera, Dimitri Golgov) +Add CREATE ACCESS METHOD command to create new table types (Haribabu Kommi, Andres Freund, Alvaro Herrera, Dimitri Dolgov) @@ -2538,7 +2527,7 @@ Author: Andres Freund --> -Specify a range of oids (9000-9999) to be used for external extensions (Andres Freund) +Reserve a range of oids (9000-9999) to be used for external extensions (Andres Freund) @@ -2685,6 +2674,8 @@ Author: Etsuro Fujita 2018-12-04 [f8f6e4467] postgres_fdw: Improve cost and size estimation for aggre Author: Etsuro Fujita 2019-01-24 [fd1afdbaf] postgres_fdw: Account for tlist eval costs in estimate_p +Author: Etsuro Fujita +2019-05-09 [edbcbe277] postgres_fdw: Fix cost estimation for aggregate pushdown --> @@ -2749,7 +2740,7 @@ Author: Michael Paquier --> -Update unaccent rules with new new punctuation and symbols (Hugh Ranalli, Michael Paquier) +Update unaccent rules with new punctuation and symbols (Hugh Ranalli, Michael Paquier)