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-rw-r--r--doc/src/sgml/ref/pg_dump.sgml31
1 files changed, 16 insertions, 15 deletions
diff --git a/doc/src/sgml/ref/pg_dump.sgml b/doc/src/sgml/ref/pg_dump.sgml
index c10bca63e55..2ae084b5fa6 100644
--- a/doc/src/sgml/ref/pg_dump.sgml
+++ b/doc/src/sgml/ref/pg_dump.sgml
@@ -18,7 +18,7 @@ PostgreSQL documentation
<refname>pg_dump</refname>
<refpurpose>
- extract a <productname>PostgreSQL</productname> database into a script file or other archive file
+ export a <productname>PostgreSQL</productname> database as an SQL script or to other formats
</refpurpose>
</refnamediv>
@@ -1134,7 +1134,7 @@ PostgreSQL documentation
<term><option>--no-statistics</option></term>
<listitem>
<para>
- Do not dump statistics.
+ Do not dump statistics. This is the default.
</para>
</listitem>
</varlistentry>
@@ -1277,11 +1277,11 @@ PostgreSQL documentation
</para>
<para>
The data section contains actual table data, large-object
- contents, statistics for tables and materialized views and
- sequence values.
+ contents, sequence values, and statistics for tables,
+ materialized views, and foreign tables.
Post-data items include definitions of indexes, triggers, rules,
statistics for indexes, and constraints other than validated check
- constraints.
+ and not-null constraints.
Pre-data items include all other data definition items.
</para>
</listitem>
@@ -1359,7 +1359,8 @@ PostgreSQL documentation
<listitem>
<para>
Dump only the statistics, not the schema (data definitions) or data.
- Statistics for tables, materialized views, and indexes are dumped.
+ Statistics for tables, materialized views, foreign tables,
+ and indexes are dumped.
</para>
</listitem>
</varlistentry>
@@ -1461,7 +1462,7 @@ PostgreSQL documentation
<term><option>--with-statistics</option></term>
<listitem>
<para>
- Dump statistics. This is the default.
+ Dump statistics.
</para>
</listitem>
</varlistentry>
@@ -1681,14 +1682,14 @@ CREATE DATABASE foo WITH TEMPLATE template0;
</para>
<para>
- By default, <command>pg_dump</command> will include most optimizer
- statistics in the resulting dump file. However, some statistics may not be
- included, such as those created explicitly with <xref
- linkend="sql-createstatistics"/> or custom statistics added by an
- extension. Therefore, it may be useful to run <command>ANALYZE</command>
- after restoring from a dump file to ensure optimal performance; see <xref
- linkend="vacuum-for-statistics"/> and <xref linkend="autovacuum"/> for more
- information.
+ If <option>--with-statistics</option> is specified,
+ <command>pg_dump</command> will include most optimizer statistics in the
+ resulting dump file. However, some statistics may not be included, such as
+ those created explicitly with <xref linkend="sql-createstatistics"/> or
+ custom statistics added by an extension. Therefore, it may be useful to
+ run <command>ANALYZE</command> after restoring from a dump file to ensure
+ optimal performance; see <xref linkend="vacuum-for-statistics"/> and <xref
+ linkend="autovacuum"/> for more information.
</para>
<para>