[SPARK-55631][SQL] ALTER TABLE must invalidate cache for DSv2 tables#54427
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aokolnychyi wants to merge 1 commit intoapache:masterfrom
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[SPARK-55631][SQL] ALTER TABLE must invalidate cache for DSv2 tables#54427aokolnychyi wants to merge 1 commit intoapache:masterfrom
aokolnychyi wants to merge 1 commit intoapache:masterfrom
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szehon-ho
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Feb 23, 2026
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it makes sense / safer to invalidate to me. I guess it is for V2 (pr title could reflect it)
aokolnychyi
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gengliangwang
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Feb 24, 2026
cloud-fan
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Feb 24, 2026
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| val result = sql(s"SELECT * FROM $t ORDER BY id") | ||
| assertCached(result) | ||
| checkAnswer(result, Seq(Row(1, "a", null), Row(2, "b", null))) |
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what was the error message before this PR?
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This would return successfully but use the cached state (old schema), which breaks the assumption that session changes are always propagated and visible.
cloud-fan
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Feb 24, 2026
yaooqinn
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Feb 25, 2026
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Thanks, merging to master |
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@aokolnychyi do we need this fix for branch-4.1? |
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What changes were proposed in this pull request?
This PR makes ALTER TABLE command invalidate cache.
Why are the changes needed?
These changes are needed to reflect changes made in the session correctly.
Does this PR introduce any user-facing change?
ALTER TABLE commands will now invalidate cache.
How was this patch tested?
This PR comes with test that would previously fail.
Was this patch authored or co-authored using generative AI tooling?
No.