Knut Anders Hatlen created DERBY-5947:
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Summary: Factor out common code from generated classes
Key: DERBY-5947
URL: https://issues.apache.org/jira/browse/DERBY-5947
Project: Derby
Issue Type: Improvement
Components: SQL
Reporter: Knut Anders Hatlen
Assignee: Knut Anders Hatlen
Priority: Minor
There's some code that's added to all classes generated by Derby's query
compiler. For example, there are three static fields that contain statistics
used to check if the plan is stale, and there are getter and setter methods for
each of the three fields. The fields and their accessor methods take up 468
bytes in every generated class.
We should see if we can factor out some of this code so that there is a single
shared copy in BaseActivation. Advantages would be: less complicated byte-code
generation, less memory occupied by generated classes in the statement cache,
smaller disk footprint for stored prepared statements.
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