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* Week numbering
@ 2004-12-06 10:22 Troels Arvin <[email protected]>
2004-12-21 01:02 ` Re: Week numbering Bruce Momjian <[email protected]>
0 siblings, 1 reply; 2+ messages in thread
From: Troels Arvin @ 2004-12-06 10:22 UTC (permalink / raw)
To: pgsql-docs
Hello,
I was recently surprised to find that EXTRACT's day of the week
numbering is different than TO_CHAR's ditto. EXTRACT starts at 0==Sunday
while TO_CHAR starts at 1==Sunday.
A suggestion for two documentation notes is attached as a patch to
current CVS HEAD.
--
Greetings from Troels Arvin, Copenhagen, Denmark
Attachments:
[text/x-patch] pgsql-day-of-week-docs.patch (1.2K, 2-pgsql-day-of-week-docs.patch)
download | inline diff:
Index: doc/src/sgml/func.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql/doc/src/sgml/func.sgml,v
retrieving revision 1.229
diff -c -r1.229 func.sgml
*** doc/src/sgml/func.sgml 3 Dec 2004 18:34:31 -0000 1.229
--- doc/src/sgml/func.sgml 6 Dec 2004 10:16:57 -0000
***************
*** 4412,4417 ****
--- 4412,4424 ----
1230 microseconds = 2.021230 seconds.
</para>
</listitem>
+
+ <listitem>
+ <para><function>to_char</function>'s day of the week numbering
+ (see the 'D' formatting pattern) is different from that of the
+ <function>extract</function> function.
+ </para>
+ </listitem>
</itemizedlist>
</para>
***************
*** 5146,5151 ****
--- 5153,5163 ----
SELECT EXTRACT(DOW FROM TIMESTAMP '2001-02-16 20:38:40');
<lineannotation>Result: </lineannotation><computeroutput>5</computeroutput>
</screen>
+ <para>
+ Note that <function>extract</function>'s day of the week numbering is
+ different from that of the <function>to_char</function> function.
+ </para>
+
</listitem>
</varlistentry>
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: Week numbering
2004-12-06 10:22 Week numbering Troels Arvin <[email protected]>
@ 2004-12-21 01:02 ` Bruce Momjian <[email protected]>
0 siblings, 0 replies; 2+ messages in thread
From: Bruce Momjian @ 2004-12-21 01:02 UTC (permalink / raw)
To: Troels Arvin <[email protected]>; +Cc: pgsql-docs
Patch applied. Thanks.
---------------------------------------------------------------------------
Troels Arvin wrote:
> Hello,
>
> I was recently surprised to find that EXTRACT's day of the week
> numbering is different than TO_CHAR's ditto. EXTRACT starts at 0==Sunday
> while TO_CHAR starts at 1==Sunday.
>
> A suggestion for two documentation notes is attached as a patch to
> current CVS HEAD.
>
> --
> Greetings from Troels Arvin, Copenhagen, Denmark
[ Attachment, skipping... ]
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
--
Bruce Momjian | http://candle.pha.pa.us
[email protected] | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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2004-12-06 10:22 Week numbering Troels Arvin <[email protected]>
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