Guy Deleeuw <G.De_Leeuw@xxxxxxxxxx> writes: > I cannot convert properly a cstring to a Datum : Well, CStringGetDatum would be the proper thing to use if you meant to produce a Datum of type "cstring". But what you need here is a Datum of the same type as the target column, which evidently isn't cstring. Most likely you need to convert the string to type text. regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin