- -status
 the status of the result.
- -error
 the error message, if the status indicates error; otherwise an empty string.
- -conn
 the connection that produced the result.
- -oid
 if the command was an INSERT, the OID of the 
inserted tuple; otherwise 0.
- -numTuples
 the number of tuples returned by the query.
- -numAttrs
 the number of attributes in each tuple.
- -assign arrayName
 assign the results to an array, using subscripts of the form
(tupno,attributeName).
- -assignbyidx arrayName ?appendstr?
 assign the results to an array using the first attribute's value and
the remaining attributes' names as keys.  If appendstr is given then
it is appended to each key.  In short, all but the first field of each
tuple are stored into the array, using subscripts of the form
(firstFieldValue,fieldNameAppendStr).
- -getTuple tupleNumber
 returns the fields of the indicated tuple in a list.  Tuple numbers
start at zero.
- -tupleArray tupleNumber arrayName
 stores the fields of the tuple in array arrayName, indexed by field names.
Tuple numbers start at zero.
- -attributes
 returns a list of the names of the tuple attributes.
- -lAttributes
 returns a list of sublists, {name ftype fsize} for each tuple attribute.
- -clear
 clear the result query object.