/*
* call-seq:
* res.type( index )
*
* Returns the data type associated with the given column number.
*
* The integer returned is the internal +OID+ number (in PostgreSQL) of the type.
* If you have the PostgreSQL source available, you can see the OIDs for every column type in the file <tt>src/include/catalog/pg_type.h</tt>.
*/
static VALUE
pgresult_type(obj, index)
VALUE obj, index;
{
PGresult* result = get_pgresult(obj);
int i = NUM2INT(index);
if (i < 0 || i >= PQnfields(result)) {
rb_raise(rb_eArgError, "invalid field number %d", i);
}
return INT2NUM(PQftype(result, i));
}