Re: Error in the date field (with NULL value...).Thanks!

> How can I "binds" PostgreSQL to consider '' as null ?

You can modify src/backend/utils/{datetime,date,timestamp}.c to accept
an empty string as a null value. But imho it is better to fix this in
your input file, perhaps using sed:

  sed "s/''/NULL/g" < informix.dump > pg.dump

                        - Thomas