Le Samedi 15 Novembre 2003 15:18, vous avez écrit : > Hello, > I have a table with many fields, and one of the fields is of type serial. > I will do many inserts, and there will be many repeats of the other fields > in the table, but, obviously, the serial field will be unique for all the > rows. How can I get the value of serial field of the last row I inserted. > I know I can select the maximum value from the serial field, but is there > a better way, preferably something that takes constant time. > Thanks, > Yasir Malik > Doing a "select currval() from my_table" after your insert should work.
For more details, see http://www.postgresql.org/docs/7.3/interactive/functions-sequence.html -- Guillaume <!-- http://absfr.tuxfamily.org/ http://pgsql-fr.tuxfamily.org/ -->. ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster