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https://issues.apache.org/jira/browse/DERBY-6211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-6211:
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Attachment: derby-6211-07-ab-useSchemaQualifiedNamesInSummaries.diff
Attaching derby-6211-07-ab-useSchemaQualifiedNamesInSummaries.diff. Tests
passed cleanly on the previous rev of the patch. The new rev of the patch
improves the notation for table functions, based on a suggestion by Dag given
over a private channel.
Dag suggested that "APP"."INTEGERLIST"() would be less cryptic and
idiosyncratic than ["APP"."INTEGERLIST". I agree. Thanks, Dag.
> Make Optimizer trace logic pluggable.
> -------------------------------------
>
> Key: DERBY-6211
> URL: https://issues.apache.org/jira/browse/DERBY-6211
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.11.0.0
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: derby-6211-01-aa-createPlugin.diff,
> derby-6211-02-aa-cleanup.diff, derby-6211-02-ab-cleanup.diff,
> derby-6211-03-aa-customTracer.diff,
> derby-6211-04-aa-moveOptimizerTracerToEngineJar.diff,
> derby-6211-05-aa-xmlOptimizerTracer.diff,
> derby-6211-06-ab-packageProtect-XMLOptTrace.diff,
> derby-6211-07-aa-useSchemaQualifiedNamesInSummaries.diff,
> derby-6211-07-ab-useSchemaQualifiedNamesInSummaries.diff
>
>
> Right now the trace logic in the optimizer is hard-coded to produce a stream
> of diagnostics. It would be good to be able to plug alternative trace logic
> into the optimizer. This would make the following possible:
> 1) Plug in trace logic which produces formats which are easier to study and
> which can be analyzed mechanically. E.g., xml formatted output.
> 2) Plug in trace logic which can be used during unit testing to verify that
> the optimizer has picked the right plan. Over time this might make it easier
> to migrate canon-based tests to assertion-based tests.
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