ingres_field_length() returns the length of a field. This is the number of bytes used by the server to store the field. For detailed information, see the Ingres/OpenAPI User Guide - Appendix C.
index is the number of the field and must
be between 1 and the value given by
ingres_num_fields().
See also ingres_query(), ingres_fetch_array(), ingres_fetch_object(), and ingres_fetch_row().