Dann Corbit wrote: > Document the collating sequences used for the character types.
Sorry, I don't understand that. What does it mean? --------------------------------------------------------------------------- > > > -----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 > -- 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 2: Don't 'kill -9' the postmaster