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[WIP] Fix ALTER TABLE ADD COLUMN issue in alasql - #2551

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mathiasrw with Copilot wants to merge 3 commits into
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copilot/alter-table-add-column-fix
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[WIP] Fix ALTER TABLE ADD COLUMN issue in alasql#2551
mathiasrw with Copilot wants to merge 3 commits into
developfrom
copilot/alter-table-add-column-fix

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Copilot AI commented Sep 10, 2026 •
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  • Add regression test test/test1107.js for ADD COLUMN (memory + localStorage)
  • Fix ALTER TABLE to load engine tables and persist schema/data after column changes
  • Verify in-memory and localStorage ADD COLUMN behavior
  • Prevent data wipe when ALTER runs after UPDATE/DELETE with autocommit
  • Format and run broader validation

Copilot AI linked an issue Sep 10, 2026 that may be closed by this pull request
ALTER TABLE ADD COLUMN does not work #1107
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Copilot AI requested a review from mathiasrw September 10, 2026 13:38
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ALTER TABLE ADD COLUMN does not work

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