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ASF GitHub Bot commented on GROOVY-12724:
-----------------------------------------
testlens-app[bot] commented on PR #3259:
URL: https://github.com/apache/groovy/pull/3259#issuecomment-6719559584
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> GINQ: support static compilation and a fluent query API
> -------------------------------------------------------
>
> Key: GROOVY-12724
> URL: https://issues.apache.org/jira/browse/GROOVY-12724
> Project: Groovy
> Issue Type: Improvement
> Components: GINQ
> Reporter: Daniel Sun
> Assignee: Daniel Sun
> Priority: Major
>
> Under @CompileStatic / @TypeChecked, GQ, GQL, and @GQ currently rely on
> dynamic lowering. This improvement makes those entry points usable from a
> statically checked scope while keeping the SQL-like syntax lowered to the
> in-memory collection runtime.
> h3. Goals
> * Allow GQ / GQL / @GQ from @CompileStatic and @TypeChecked without forcing
> the lowered tree through static checking at the expression site.
> * Defer pipeline construction with LazyQueryable until a terminal read
> (toList, count, etc.), copying locals at the expression site (same binding as
> dynamic GQ).
> * Add Ginq.from(...) as a deferred, generic fluent chain on the same runtime,
> with @ClosureParams so where/select/join/aggregate closures can infer element
> types where inference is sound.
> * Preserve default lazy/deferred evaluation and dynamic GQ behavior for map
> rows and other intentionally dynamic cases.
> h3. Non-goals / known limits
> * Stored untyped Closure variables still need a SAM target type for parameter
> inference (same as Java/C#).
> * Raw Query parameters/fields cannot recover a safe element type.
> * Names bound by from inside GQ / GQL / @GQ stay dynamic by design; callers
> that need checked element types use Ginq.from.
> h3. Related work
> GitHub PR: https://github.com/apache/groovy/pull/3259
> Stacked on GEP-26 SQL window work (PR #3167 / gep26-sql-window).
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