DRILL-5052: Option to debug generated Java code using an IDE
Provides a second compilation path for generated code: “plan old Java”
in which generated code inherit from their templates. Such code can be
compiled directly, allowing easy debugging of generated code.
Also show to generate two classes in the External Sort Batch as “plain
old Java” to enable IDE debugging of that generated code. Required
minor clean-up of the templates.
Fixes some broken toString( ) methods in code generation classes
Fixes a variety of small compilation warnings
Adds Java doc to a few classes
Includes clean-up from code review comments.
close apache/drill#660
