1999-04-11  Michael Lausch  <mla@gams.at>

	* gda-postgres.c (make_errorbuffer): Add a make_errorbuffer
	function. 
	(impl_GDA_Recordset_fetch): rewrite this function to fix EOF
	logic and memory management.
	(impl_GDA_Recordset_describe): send a GDA_TypeVarchar for every
	field as it's type. 

	* gda-postgres-recset.c (fill_field_values): fix memory management
	for fields. Use Gda_TypeVarchar type for every field. 
	(gda_postgres_recset_move_next): use pos instead of pos+1

