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Partial AggregateMode will generate duplicate field names from state_fields #17715

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on Sep 22, 2025

Describe the bug

We relax the name check for DF schema construction in this PR because the redundant partial aggregate schema:

But we need to find the root cause about the redundant partial aggregate schema, this ticket will do this.
re-enable check_names check in impl TryFrom<SchemaRef> for DFSchema (disabled in fix: Partial AggregateMode will generate duplicate field names which will fail DFSchema construct #17706)

Details:
#17706 (review)

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zhuqi-lucas
added
bugSomething isn't working
on Sep 22, 2025
zhuqi-lucas
added the
Bug
issue type on Sep 22, 2025
zhuqi-lucas
changed the title ~~[-]Find a good way to fix redundant partial aggregate schema[/-]~~ [+]Partial AggregateMode will generate duplicate field names from state_fields[/+] on Sep 22, 2025
cdelmonte-zg commented on Sep 8, 2026
cdelmonte-zg
on Sep 8, 2026
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cdelmonte-zg
on Sep 8, 2026
alamb
closed this as completedin #25196 on Sep 20, 2026
wudidapaopao
added a commit that references this issue on Sep 20, 2026
fix: duplicate ordering state field names in partial aggregates (apac…
a9579bd
Omega359
added a commit that references this issue on Oct 11, 2026
fix: duplicate ordering state field names in partial aggregates (apac…
a274b3c

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