@@ -982,8 +982,6 @@ Author: Bruce Momjian <bruce@momjian.us>
982982<!--
983983Author: Tomas Vondra <tomas.vondra@postgresql.org>
9849842019-01-29 [36a1281f8] Separate per-batch and per-tuple memory contexts in COPY
985- Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
986- 2019-01-25 [9556aa01c] Use single-byte Boyer-Moore-Horspool search even with mu
987985Author: Andres Freund <andres@anarazel.de>
9889862019-01-26 [a9c35cf85] Change function call information to be variable length.
989987-->
@@ -1517,7 +1515,7 @@ Author: Michael Paquier <michael@paquier.xyz>
15171515
15181516 <para>
15191517 Prevent <xref linkend="sql-truncate"/> from requesting a lock on
1520- tables for whichit lacks permission (Michaël Paquier)
1518+ tables for whichthe user lacks permission (Michaël Paquier)
15211519 </para>
15221520
15231521 <para>
@@ -1882,9 +1880,10 @@ Author: Peter Eisentraut <peter@eisentraut.org>
18821880 </para>
18831881
18841882 <para>
1885- Rather than storing a value only at row creation time, generated
1886- columns are also modified during updates, and can reference other
1887- table columns.
1883+ The content of generated columns are computed from expressions
1884+ (including references to other columns in the same table)
1885+ rather than being specified by <command>INSERT</command> or
1886+ <command>UPDATE</command> commands.
18881887 </para>
18891888 </listitem>
18901889
@@ -2061,7 +2060,7 @@ Author: Peter Eisentraut <peter@eisentraut.org>
20612060-->
20622061
20632062 <para>
2064- Allow modifications of systemtables using <xref
2063+ Allow modifications of systemtable options using <xref
20652064 linkend="sql-altertable"/> (Peter Eisentraut)
20662065 </para>
20672066
@@ -2595,8 +2594,8 @@ Author: Tom Lane <tgl@sss.pgh.pa.us>
25952594-->
25962595
25972596 <para>
2598- Compute behavior based on pgbench's <option>--rate</option>
2599- value more precisely (Tom Lane)
2597+ Improve precision of pgbench's <option>--rate</option>
2598+ option (Tom Lane)
26002599 </para>
26012600 </listitem>
26022601
@@ -2816,11 +2815,12 @@ Author: Thomas Munro <tmunro@postgresql.org>
28162815-->
28172816
28182817 <para>
2819- Allowrestoration of an <command>INSERT</command>-statement dump
2820- to skip rows which would cause conflicts (Surafel Temesgen)
2818+ Allowpg_dump to emit <command>INSERT ... ON CONFLICT DO
2819+ NOTHING</command> (Surafel Temesgen)
28212820 </para>
28222821
28232822 <para>
2823+ This avoids conflict failures during restore.
28242824 The <application>pg_dump</application> option is
28252825 <option>--on-conflict-do-nothing</option>.
28262826 </para>
@@ -2875,6 +2875,8 @@ Author: Andrew Dunstan <andrew@dunslane.net>
28752875 <listitem>
28762876<!--
28772877Author: Andres Freund <andres@anarazel.de>
2878+ 2018-11-16 [4da597edf] Make TupleTableSlots extensible, finish split of
2879+ Author: Andres Freund <andres@anarazel.de>
287828802019-03-06 [8586bf7ed] tableam: introduce table AM infrastructure.
28792881Author: Andres Freund <andres@anarazel.de>
288028822019-03-06 [3b925e905] tableam: Add pg_dump support.
@@ -2890,12 +2892,20 @@ Author: Andres Freund <andres@anarazel.de>
289028922019-03-31 [73c954d24] tableam: sample scan.
28912893Author: Andres Freund <andres@anarazel.de>
289228942019-03-31 [bfbcad478] tableam: bitmap table scan.
2895+ existin
28932896-->
28942897
28952898 <para>
28962899 Add <xref linkend="sql-create-access-method"/> command to create
2897- new table types (Haribabu Kommi, Andres Freund, Álvaro Herrera,
2898- Dimitri Dolgov)
2900+ new table types (Andres Freund, Haribabu Kommi, Álvaro Herrera,
2901+ Alexander Korotkov, Dimitri Golgov)
2902+ </para>
2903+
2904+ <para>
2905+ This enables the development of new <link linkend="tableam">table
2906+ access methods</>, which can optimize storage for different
2907+ use-cases. The existing <literal>heap</literal> access method
2908+ remains the default.
28992909 </para>
29002910 </listitem>
29012911