diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml index e305ca19c02087c237cda2c3c04c94080f39b7df..8fd8547db600c5439fab879eaf6f8a670ee5523b 100644 --- a/doc/src/sgml/release.sgml +++ b/doc/src/sgml/release.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.570 2007/12/16 07:19:32 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.571 2007/12/16 13:05:30 momjian Exp $ --> <!-- Typical markup: @@ -204,7 +204,7 @@ do it for earlier branch release files. <listitem> <para> Heap-Only Tuples (<acronym>HOT</>) accelerate space reuse for - most <command>UPDATE</>s + most <command>UPDATE</>s and <command>DELETE</>s </para> </listitem> @@ -736,7 +736,8 @@ current_date < 2017-11-17 <listitem> <para> Heap-Only Tuples (<acronym>HOT</>) accelerate space reuse for most - <command>UPDATE</>s (Pavan Deolasee, with ideas from many others) + <command>UPDATE</>s and <command>DELETE</>s (Pavan Deolasee, with + ideas from many others) </para> <para> @@ -744,7 +745,7 @@ current_date < 2017-11-17 behind, as do failed <command>INSERT</>s. Previously only <command>VACUUM</> could reclaim space taken by dead tuples. With <acronym>HOT</> dead tuple space can be reclaimed at the time of - <command>UPDATE</> or <command>INSERT</> if no changes are made to + <command>INSERT</> or <command>UPDATE</> if no changes are made to indexed columns. This allows for more consistent performance. Also, <acronym>HOT</> avoids adding duplicate index entries. </para>