refactor(THU-739): drop legacy modes table - #1186
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- Add migration 0026 to DROP the powersync.modes table - Remove the modesTable definition kept until the DROP landed
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Updated Tue, 04 Aug 2026 17:10:31 GMT · run #2576 |
- Add migration 0027 dropping the legacy mode_id column - Remove mode_id from the powersync chat_threads schema
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could we merge these two migration files into a single one?
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What & why
THU-739, PR 2 of 2. The backend teardown for the removed chat-modes feature, now that PR #1181 stopped syncing it. Drops the
modestable and the deadchat_threads.mode_idcolumn (a FK-like reference to it; nothing reads or writes it). PR 1 kept the backend defs so the postgres objects survived until the PowerSync service rolled off themodessync rule; this PR removes them.Changes
backend/src/db/powersync-schema.ts— removed themodesTabledefinition and thechat_threads.modeIdcolumn.backend/drizzle/0026_open_quicksilver.sql—DROP TABLE "powersync"."modes" CASCADE;backend/drizzle/0027_moaning_kat_farrell.sql—ALTER TABLE "powersync"."chat_threads" DROP COLUMN "mode_id";_journal.json/ snapshots — generated migration metadata (idx 26, 27).Do not merge until PR #1181's
thunderbolt-powersyncimage is live and the Renderpowersyncservice has been rolled off themodessync rule. Running this migration while the service still replicatespowersync.modesbreaks replication.Stacked on
THU-739/remove-mode-table-and-any-related-legacy-code(PR #1181) — retarget tomainafter that merges.Testing
bun db generateproduced two single-statement migrations;modesandchat_threads.mode_idare gone from the schema.modesTable/modeIdrefs).powersync.test.ts→ 25 pass (test DB applied both migrations; the legacy accept-and-ignore case still passes).