/**
* Determine whether thisType is storable in otherType due to otherType being a user type.
*
* @param thisType The TypeId of the value to be stored
* @param otherType The TypeId of the value to be stored in
* @return true if thisType is storable in otherType
*/
protected boolean userTypeStorable(TypeId thisType, TypeId otherType, ClassFactory cf) {
/*
** If the other type is user-defined, use the java types to determine
** assignability.
*/
if (otherType.userType()) {
return cf.getClassInspector()
.assignableTo(
thisType.getCorrespondingJavaTypeName(), otherType.getCorrespondingJavaTypeName());
}
return false;
}
/**
* 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;
}
