25 lines
580 B
TypeScript
25 lines
580 B
TypeScript
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import * as Sequelize from 'sequelize'
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async function up (utils: {
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transaction: Sequelize.Transaction
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queryInterface: Sequelize.QueryInterface
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sequelize: Sequelize.Sequelize
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}): Promise<void> {
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const { transaction } = utils
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const query = 'DELETE FROM "runner" r1 ' +
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'USING (SELECT MIN(id) as id, "name" FROM "runner" GROUP BY "name" HAVING COUNT(*) > 1) r2 ' +
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'WHERE r1."name" = r2."name" AND r1.id <> r2.id'
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await utils.sequelize.query(query, { transaction })
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}
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function down (options) {
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throw new Error('Not implemented.')
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}
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export {
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up,
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down
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}
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