Thread: system maintained keys

system maintained keys

From

"Stefan Lindner"

Date:

16 October 2001, 20:23:29

Is there any way to get system maintained keys from postgres? e.g. to
have a table with a primary key column (varchar or int) and let postgres
chose the next unique value for this column?

Re: system maintained keys

From

"Oliver Elphick"

Date:

17 October 2001, 05:50:17

"Stefan Lindner" wrote:
  >Is there any way to get system maintained keys from postgres? e.g. to
  >have a table with a primary key column (varchar or int) and let postgres
  >chose the next unique value for this column?

The SERIAL data type does this.  It is an INTEGER with a sequence attached.

--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
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     "Trust in the LORD, and do good..."        Psalms 37:3