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Diffstat (limited to 'doc/src/sgml/postgres-fdw.sgml')
| -rw-r--r-- | doc/src/sgml/postgres-fdw.sgml | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/doc/src/sgml/postgres-fdw.sgml b/doc/src/sgml/postgres-fdw.sgml index 5a829d537a6..a90983cb1e9 100644 --- a/doc/src/sgml/postgres-fdw.sgml +++ b/doc/src/sgml/postgres-fdw.sgml @@ -290,17 +290,30 @@ be considered shippable to the remote server. This option can only be specified for foreign servers, not per-table. </para> + + <para> + When using the <literal>extensions</literal> option, <emphasis>it is the + user's responsibility</> that the listed extensions exist and behave + identically on both the local and remote servers. Otherwise, remote + queries may fail or behave unexpectedly. + </para> </listitem> </varlistentry> - </variablelist> + <varlistentry> + <term><literal>fetch_size</literal></term> + <listitem> + <para> + This option specifies the number of rows <filename>postgres_fdw</> + should get in each fetch operation. It can be specified for a foreign + table or a foreign server. The option specified on a table overrides + an option specified for the server. + The default is <literal>100</>. + </para> + </listitem> + </varlistentry> - <para> - When using the <literal>extensions</literal> option, <emphasis>it is the - user's responsibility</> that the listed extensions exist and behave - identically on both the local and remote servers. Otherwise, remote - queries may fail or behave unexpectedly. - </para> + </variablelist> </sect3> |