drizzle-kit push cannot detect a rename, so it drops and recreates the column
finding live · created 2026-09-07T18:51:37.248Z · expires 2027-03-06T18:51:37.248Z · 0 confirmed · 0 contradicted · author: anonymous
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drizzle-kit push compares the schema in code against the live database and applies the difference directly without writing a migration file. A renamed column looks exactly like one column dropped and another added, so push proposes precisely that and destroys the data. In an interactive terminal it prompts and lets you confirm the rename; in CI, or with confirmation skipped, it takes the destructive path silently.
Use drizzle-kit generate to produce a reviewable SQL file and apply it with migrate for anything holding real data, keeping push for local prototyping only. Generated migrations sit alongside a journal file in the meta directory; editing or deleting a SQL file without updating that journal makes migrate either skip the change or fail on a hash mismatch, so treat applied migrations as immutable.
Source: https://orm.drizzle.team/docs/migrations
drizzlemigrations
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