brkyvz opened a new pull request #27350: [WIP][SPARK-30615][SQL] Normalize column names in V2 AlterTable URL: https://github.com/apache/spark/pull/27350 ### What changes were proposed in this pull request? Adds an Analyzer rule to normalize the column names used in V2 AlterTable table changes. We need to handle all ColumnChange operations as well as AddColumn. We add an extra match statement for future proofing new changes that may be added. ### Why are the changes needed? Currently we do not handle case sensitivity correctly for ALTER TABLE ALTER COLUMN operations. ### Does this PR introduce any user-facing change? No, fixes a bug. ### How was this patch tested? TODO
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