/**
* Tell whether this numeric type can be stored into from the given type.
*
* @param thisType The TypeId of this type
* @param otherType The TypeId of the other type.
* @param cf A ClassFactory
*/
public boolean numberStorable(TypeId thisType, TypeId otherType, ClassFactory cf) {
/*
** Numbers can be stored into from other number types.
** Also, user types with compatible classes can be stored into numbers.
*/
if ((otherType.isNumericTypeId()) || (otherType.isBooleanTypeId())) return true;
/*
** If the other type is user-defined, use the java types to determine
** assignability.
*/
return userTypeStorable(thisType, otherType, cf);
}
/**
* Tell whether this numeric type can be converted to the given type.
*
* @param otherType The TypeId of the other type.
* @param forDataTypeFunction was this called from a scalarFunction like CHAR() or DOUBLE()
*/
public boolean numberConvertible(TypeId otherType, boolean forDataTypeFunction) {
// Can't convert numbers to long types
if (otherType.isLongConcatableTypeId()) return false;
// Numbers can only be converted to other numbers,
// and CHAR, (not VARCHARS or LONGVARCHAR).
// Only with the CHAR() or VARCHAR()function can they be converted.
boolean retval =
((otherType.isNumericTypeId()) || (otherType.isBooleanTypeId()) || (otherType.userType()));
// For CHAR Conversions, function can convert
// Floating types
if (forDataTypeFunction)
retval = retval || (otherType.isFixedStringTypeId() && (getTypeId().isFloatingPointTypeId()));
retval = retval || (otherType.isFixedStringTypeId() && (!getTypeId().isFloatingPointTypeId()));
return retval;
}