I have applied the following patch to clarify the meaning of the second
DateStyle field.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
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Index: runtime.sgml
===================================================================
RCS file: /cvsroot/pgsql-server/doc/src/sgml/runtime.sgml,v
retrieving revision 1.258
diff -c -c -r1.258 runtime.sgml
*** runtime.sgml 7 Apr 2004 05:05:49 -0000 1.258
--- runtime.sgml 15 Apr 2004 04:45:46 -0000
***************
*** 2433,2449 ****
<indexterm><primary>date style</></>
<listitem>
<para>
! Sets the display format for date and time values, as well as
! the rules for interpreting ambiguous date input values.
! For historical reasons, this variable contains two independent
components: the output format specification (<literal>ISO</>,
! <literal>Postgres</>, <literal>SQL</>, or <literal>German</>) and
! the date field order specification (<literal>DMY</>, <literal>MDY</>,
! or <literal>YMD</>). These can be set separately or together.
! The keywords <literal>Euro</> and <literal>European</> are synonyms
! for <literal>DMY</>; the keywords <literal>US</>, <literal>NonEuro</>,
! and <literal>NonEuropean</> are synonyms for <literal>MDY</>.
! See <xref linkend="datatype-datetime"> for more information. The
default is <literal>ISO, MDY</>.
</para>
</listitem>
--- 2433,2450 ----
<indexterm><primary>date style</></>
<listitem>
<para>
! Sets the display format for date and time values, as well as the
! rules for interpreting ambiguous date input values. For
! historical reasons, this variable contains two independent
components: the output format specification (<literal>ISO</>,
! <literal>Postgres</>, <literal>SQL</>, or <literal>German</>)
! and the input/output specification for year/month/day ordering
! (<literal>DMY</>, <literal>MDY</>, or <literal>YMD</>). These
! can be set separately or together. The keywords <literal>Euro</>
! and <literal>European</> are synonyms for <literal>DMY</>; the
! keywords <literal>US</>, <literal>NonEuro</>, and
! <literal>NonEuropean</> are synonyms for <literal>MDY</>. See
! <xref linkend="datatype-datetime"> for more information. The
default is <literal>ISO, MDY</>.
</para>
</listitem>