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< 	o Add a GUC variable to allow output of interval values in ISO8601
< 	  format
212a211,223
> 	o Add a GUC variable to allow output of interval values in ISO8601
> 	  format
> 	o Improve timestamptz subtraction to be DST-aware
>
> 	  Currently, subtracting one date from another that crosses a
> 	  daylight savings time adjustment can return '1 day 1 hour', but
> 	  adding that back to the first date returns a time one hour in
> 	  the future.  This is caused by the adjustment of '25 hours' to
> 	  '1 day 1 hour', and '1 day' is the same time the next day, even
> 	  if daylight savings adjustments are involved.
>
> 	o Fix interval display to support values exceeding 2^31 hours
> 	o Add overflow checking to timestamp and interval arithmetic
This commit is contained in:
Bruce Momjian
2005-10-27 02:33:31 +00:00
parent 4a309defb4
commit 807da29cf3
2 changed files with 27 additions and 6 deletions
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17
doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List PostgreSQL TODO List
==================== ====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Tue Oct 25 14:50:55 EDT 2005 Last updated: Wed Oct 26 22:33:29 EDT 2005
The most recent version of this document can be viewed at The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. http://www.postgresql.org/docs/faqs.TODO.html.
@ -196,8 +196,6 @@ Data Types
* Dates and Times * Dates and Times
o Allow infinite dates just like infinite timestamps o Allow infinite dates just like infinite timestamps
o Add a GUC variable to allow output of interval values in ISO8601
format
o Merge hardwired timezone names with the TZ database; allow either o Merge hardwired timezone names with the TZ database; allow either
kind everywhere a TZ name is currently taken kind everywhere a TZ name is currently taken
o Allow customization of the known set of TZ names (generalize the o Allow customization of the known set of TZ names (generalize the
@ -210,6 +208,19 @@ Data Types
o Fix SELECT '0.01 years'::interval, '0.01 months'::interval o Fix SELECT '0.01 years'::interval, '0.01 months'::interval
o Fix SELECT INTERVAL '1' MONTH o Fix SELECT INTERVAL '1' MONTH
o Add a GUC variable to allow output of interval values in ISO8601
format
o Improve timestamptz subtraction to be DST-aware
Currently, subtracting one date from another that crosses a
daylight savings time adjustment can return '1 day 1 hour', but
adding that back to the first date returns a time one hour in
the future. This is caused by the adjustment of '25 hours' to
'1 day 1 hour', and '1 day' is the same time the next day, even
if daylight savings adjustments are involved.
o Fix interval display to support values exceeding 2^31 hours
o Add overflow checking to timestamp and interval arithmetic
o Add ISO INTERVAL handling o Add ISO INTERVAL handling
o Add support for day-time syntax, INTERVAL '1 2:03:04' DAY TO o Add support for day-time syntax, INTERVAL '1 2:03:04' DAY TO
SECOND SECOND

16
doc/src/FAQ/TODO.html
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@ -8,7 +8,7 @@
<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"> <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1> <h1><a name="section_1">PostgreSQL TODO List</a></h1>
<p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/> <p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
Last updated: Tue Oct 25 14:50:55 EDT 2005 Last updated: Wed Oct 26 22:33:29 EDT 2005
</p> </p>
<p>The most recent version of this document can be viewed at<br/> <p>The most recent version of this document can be viewed at<br/>
<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>. <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@ -181,8 +181,6 @@ first.
</li><li>Dates and Times </li><li>Dates and Times
<ul> <ul>
<li>Allow infinite dates just like infinite timestamps <li>Allow infinite dates just like infinite timestamps
</li><li>Add a GUC variable to allow output of interval values in ISO8601
format
</li><li>Merge hardwired timezone names with the TZ database; allow either </li><li>Merge hardwired timezone names with the TZ database; allow either
kind everywhere a TZ name is currently taken kind everywhere a TZ name is currently taken
</li><li>Allow customization of the known set of TZ names (generalize the </li><li>Allow customization of the known set of TZ names (generalize the
@ -194,6 +192,18 @@ first.
</p> </p>
</li><li>Fix SELECT '0.01 years'::interval, '0.01 months'::interval </li><li>Fix SELECT '0.01 years'::interval, '0.01 months'::interval
</li><li>Fix SELECT INTERVAL '1' MONTH </li><li>Fix SELECT INTERVAL '1' MONTH
</li><li>Add a GUC variable to allow output of interval values in ISO8601
format
</li><li>Improve timestamptz subtraction to be DST-aware
<p> Currently, subtracting one date from another that crosses a
daylight savings time adjustment can return '1 day 1 hour', but
adding that back to the first date returns a time one hour in
the future. This is caused by the adjustment of '25 hours' to
'1 day 1 hour', and '1 day' is the same time the next day, even
if daylight savings adjustments are involved.
</p>
</li><li>Fix interval display to support values exceeding 2^31 hours
</li><li>Add overflow checking to timestamp and interval arithmetic
</li><li>Add ISO INTERVAL handling </li><li>Add ISO INTERVAL handling
<ul> <ul>
<li>Add support for day-time syntax, INTERVAL '1 2:03:04' DAY TO <li>Add support for day-time syntax, INTERVAL '1 2:03:04' DAY TO