public RelDataType getFieldType(int fieldOrdinal) {
RelDataType namedType = getFieldNamedType(fieldOrdinal);
if (namedType.getSqlTypeName() == SqlTypeName.DISTINCT) {
// for most metadata calls, report information about the
// predefined type on which the distinct type is based
return namedType.getFields()[0].getType();
} else {
return namedType;
}
}
public String getFieldName(int fieldOrdinal) {
return rowType.getFields()[fieldOrdinal - 1].getName();
}
public RelDataType getFieldNamedType(int fieldOrdinal) {
return rowType.getFields()[fieldOrdinal - 1].getType();
}
