Document the collating sequences used for the character types. > -----Original Message----- > From: Bruce Momjian [mailto:[EMAIL PROTECTED] > Sent: Monday, October 24, 2005 11:01 AM > To: Tom Lane > Cc: Dann Corbit; [EMAIL PROTECTED]; [EMAIL PROTECTED]; > pgsql-hackers@postgresql.org > Subject: Re: [GENERAL] [HACKERS] 'a' == 'a ' > > > Is there any TODO here? > > ------------------------------------------------------------------------ -- > - > > Tom Lane wrote: > > "Dann Corbit" <[EMAIL PROTECTED]> writes: > > > I guess that additional ambiguity arises if you add additional spaces > to > > > the end. Many database systems solve this by trimming the characters > > > from the end of the string upon storage and the returned string will > not > > > have any trailing blanks. > > > > Can you document that? ISTM that that would effectively make char(n) > > and varchar(n) exactly equivalent, which is ... um ... a bit stupid. > > > > regards, tom lane > > > > ---------------------------(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 > > > > -- > 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 > + Christ can be your backup. | Newtown Square, Pennsylvania > 19073
---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
