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docs: improve Write to a table section (#1008)#3255

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tanmayrauth wants to merge 1 commit intoapache:mainfrom
tanmayrauth:docs/improve-write-support-docs
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docs: improve Write to a table section (#1008)#3255
tanmayrauth wants to merge 1 commit intoapache:mainfrom
tanmayrauth:docs/improve-write-support-docs

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@tanmayrauth tanmayrauth commented Apr 17, 2026

  • Add dedicated subsections for append, overwrite, delete, dynamic partition overwrite, upsert, and Transaction API
  • Document overwrite_filter with worked example and note on accepted expression types
  • Document branch parameter on append and overwrite
  • Add case_sensitive note to overwrite and delete
  • Add merge-on-read warning to delete (falls back to copy-on-write)
  • Add Transaction API section showing atomic data + metadata changes
  • Fix transaction rollback language: catalog commit is aborted but object-storage files are not automatically cleaned up
  • Remove redundant top-level Snapshot properties section

Rationale for this change

Are these changes tested?

Are there any user-facing changes?

Closes: #1008

- Add dedicated subsections for append, overwrite, delete, dynamic
  partition overwrite, upsert, and Transaction API
- Document overwrite_filter with worked example and note on accepted
  expression types
- Document branch parameter on append and overwrite
- Add case_sensitive note to overwrite and delete
- Add merge-on-read warning to delete (falls back to copy-on-write)
- Add Transaction API section showing atomic data + metadata changes
- Fix transaction rollback language: catalog commit is aborted but
  object-storage files are not automatically cleaned up
- Remove redundant top-level Snapshot properties section
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DOCS: Improve Documentation on Write Support

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