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mirror of https://github.com/postgres/postgres.git synced 2025-12-19 17:02:53 +03:00

Stamp 9.0 release notes with expected release date; also some last-minute

copy-editing.
This commit is contained in:
Tom Lane
2010-09-16 18:15:21 +00:00
parent 7acf6f9bab
commit f7270a65b3
2 changed files with 50 additions and 57 deletions

View File

@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.115 2010/06/24 14:57:21 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.116 2010/09/16 18:15:21 tgl Exp $
PostgreSQL documentation
-->
@@ -163,14 +163,14 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
<term><literal>RESET ( <replaceable class="PARAMETER">attribute_option</replaceable> [, ... ] )</literal></term>
<listitem>
<para>
This form sets or resets attribute-level options. Currently, the only
define attribute-level options are <literal>n_distinct</> and
This form sets or resets per-attribute options. Currently, the only
defined per-attribute options are <literal>n_distinct</> and
<literal>n_distinct_inherited</>, which override the
number-of-distinct-values estimate made by subsequent
number-of-distinct-values estimates made by subsequent
<xref linkend="sql-analyze">
operations. <literal>n_distinct</> affects the statistics for the table
itself, while <literal>n_distinct_inherited</> affects the statistics
gathered for the table and its inheritance children. When set to a
gathered for the table plus its inheritance children. When set to a
positive value, <command>ANALYZE</> will assume that the column contains
exactly the specified number of distinct nonnull values. When set to a
negative value, which must be greater