The following bug has been logged online:

Bug reference:      1871
Logged by:          
Email address:      [EMAIL PROTECTED]
PostgreSQL version: 7-8
Operating system:   Linux
Description:        operations with data types
Details: 

May be it is not bug, but anywhere:

here you are sample query 
select '2005-08-31'::date + '1 month'::interval-'1 month'::interval

from the mathematical me the resulting value should be '2005-08-31', but
......

can you explain this

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match

Reply via email to