unleash-server/dist/migrations/20210423103647-lowercase-all-emails.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

"use strict";
exports.up = function (db, cb) {
    db.runSql(`
      DELETE FROM users WHERE id IN
        (SELECT id FROM
            (SELECT id, lower(email) as email, row_number() over (PARTITION BY lower(email) ORDER BY id desc) as Row FROM users) as dupes
        WHERE email IS NOT NULL AND dupes.Row > 1);
        UPDATE users SET email = LOWER(email);

    `, cb);
};
exports.down = function (db, cb) {
    db.runSql('', cb);
};
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