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Support IS (NOT) DISTINCT FROM in Unparser#22054

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kosiew merged 2 commits intoapache:mainfrom
pydantic:unparser_distinct_from
May 8, 2026
Merged

Support IS (NOT) DISTINCT FROM in Unparser#22054
kosiew merged 2 commits intoapache:mainfrom
pydantic:unparser_distinct_from

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@cetra3
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@cetra3 cetra3 commented May 7, 2026

Which issue does this PR close?

Closes #22053

Rationale for this change

Extra support in the Unparser for IS DISTINCT FROM and IS NOT DISTINCT FROM expressions

What changes are included in this PR?

Changes to support operators in Unparser

Are these changes tested?

Yes, tests added

Are there any user-facing changes?

Not really!

@github-actions github-actions Bot added the sql SQL Planner label May 7, 2026
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@cetra3
Thanks for the fix.

Comment thread datafusion/sql/src/unparser/expr.rs Outdated
Comment thread datafusion/sql/src/unparser/expr.rs Outdated
@kosiew kosiew added this pull request to the merge queue May 8, 2026
Merged via the queue into apache:main with commit bdb1c83 May 8, 2026
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Unparser broken with IS DISTINCT FROM statements

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