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Ensure tweet ids are unique

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This commit is contained in:
Jordan Eldredge 2020-12-02 02:50:46 -05:00
parent 039d3ea8c6
commit 16ec917b41
1 changed files with 13 additions and 0 deletions
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13
packages/skin-database/migrations/20201202021617_unique_tweet_ids.ts Normal file
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import * as Knex from "knex";
// We can't add a unique constraint after the fact, but we can add a unique index which should do the same thing.
// https://stackoverflow.com/a/35301957/1263117
export async function up(knex: Knex): Promise<any> {
await knex.raw(
"CREATE UNIQUE INDEX idx_tweets_unique_tweet_id ON tweets(tweet_id);"
);
}
export async function down(knex: Knex): Promise<any> {
await knex.raw("DROP INDEX idx_tweets_unique_tweet_id");
}