Add items:

> * Prevent to_char() on interval from returning meaningless values
>
>   For example, to_char('1 month', 'mon') is meaningless.  Basically,
>   most date-related parameters to to_char() are meaningless for
>   intervals because interval is not anchored to a date.
>
> * Allow to_char() on interval values to accumulate the highest unit
>   requested
>
> 	o to_char(INTERVAL '1 hour 5 minutes', 'MI') => 65
> 	o to_char(INTERVAL '43 hours 20 minutes', 'MI' ) => 2600
> 	o to_char(INTERVAL '43 hours 20 minutes', 'WK:DD:HR:MI') => 0:1:19:20
> 	o to_char(INTERVAL '3 years 5 months','MM') => 41
>
>   Some special format flag would be required to request such
>   accumulation.  Such functionality could also be added to EXTRACT.
>   Prevent accumulation that crosses the month/day boundary because of
>   the uneven number of days in a month.
>

diff --git a/doc/TODO b/doc/TODO
index 45ad26e0d87e6b51e6ff3de0f53777859aed7295..020bfd519c82279fdacd2cdc660c0812fdc60c92 100644 (file)
--- a/doc/TODO
+++ b/doc/TODO
@@ -2,7 +2,7 @@
 PostgreSQL TODO List
 ====================
 Current maintainer:    Bruce Momjian ([email protected])
-Last updated:      Mon May  2 14:27:06 EDT 2005
+Last updated:      Sat May  7 00:24:29 EDT 2005
 
 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@@ -188,6 +188,25 @@ Data Types
   zero the bits
 * Prevent INET cast to CIDR from droping netmask, SELECT '1.1.1.1'::inet::cidr
 * Add 'tid != tid ' operator for use in corruption recovery
+* Prevent to_char() on interval from returning meaningless values
+
+  For example, to_char('1 month', 'mon') is meaningless.  Basically,
+  most date-related parameters to to_char() are meaningless for
+  intervals because interval is not anchored to a date.
+
+* Allow to_char() on interval values to accumulate the highest unit
+  requested
+
+   o to_char(INTERVAL '1 hour 5 minutes', 'MI') => 65
+   o to_char(INTERVAL '43 hours 20 minutes', 'MI' ) => 2600 
+   o to_char(INTERVAL '43 hours 20 minutes', 'WK:DD:HR:MI') => 0:1:19:20
+   o to_char(INTERVAL '3 years 5 months','MM') => 41
+
+  Some special format flag would be required to request such
+  accumulation.  Such functionality could also be added to EXTRACT. 
+  Prevent accumulation that crosses the month/day boundary because of
+  the uneven number of days in a month.
+
 * Add ISO INTERVAL handling
    o Add support for day-time syntax, INTERVAL '1 2:03:04' DAY TO SECOND
    o Add support for year-month syntax, INTERVAL '50-6' YEAR TO MONTH

diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html
index bb3617fd6f95f619e712c63105efe2f7c97ef625..1663450fcf9da7aa31871d27a32759bcda850bb4 100644 (file)
--- a/doc/src/FAQ/TODO.html
+++ b/doc/src/FAQ/TODO.html
@@ -8,7 +8,7 @@
 
 PostgreSQL TODO List
 Current maintainer:     Bruce Momjian ([email protected])
-Last updated:           Mon May  2 14:27:06 EDT 2005
+Last updated:           Sat May  7 00:24:29 EDT 2005
 
 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@@ -176,7 +176,27 @@ first.
   zero the bits
   Prevent INET cast to CIDR from droping netmask, SELECT '1.1.1.1'::inet::cidr
   Add 'tid != tid ' operator for use in corruption recovery
-  Add ISO INTERVAL handling
+  Prevent to_char() on interval from returning meaningless values
+  For example, to_char('1 month', 'mon') is meaningless.  Basically,
+  most date-related parameters to to_char() are meaningless for
+  intervals because interval is not anchored to a date.
+
+  Allow to_char() on interval values to accumulate the highest unit
+  requested
+  
+    to_char(INTERVAL '1 hour 5 minutes', 'MI') => 65
+    to_char(INTERVAL '43 hours 20 minutes', 'MI' ) => 2600 
+    to_char(INTERVAL '43 hours 20 minutes', 'WK:DD:HR:MI') => 0:1:19:20
+    to_char(INTERVAL '3 years 5 months','MM') => 41
+  
+
+  Some special format flag would be required to request such
+  accumulation.  Such functionality could also be added to EXTRACT. 
+  Prevent accumulation that crosses the month/day boundary because of
+  the uneven number of days in a month.
+
+
+  Add ISO INTERVAL handling
   
     Add support for day-time syntax, INTERVAL '1 2:03:04' DAY TO SECOND
     Add support for year-month syntax, INTERVAL '50-6' YEAR TO MONTH