@directus/api/dist/database/helpers/sequence/dialects/postgres.js

Directus is a real-time API and App dashboard for managing SQL database content

import { AutoSequenceHelper } from '../types.js';
export class AutoIncrementHelperPostgres extends AutoSequenceHelper {
    /**
     * Resets the auto increment sequence based on the max value of the PK column.
     * The sequence name is determined using a sub query.
     *
     * The table name value for getting the sequence name needs to be escaped explicitly,
     * otherwise PostgreSQL would throw an error for capitalized table names saying "relation x does not exist".
     */
    async resetAutoIncrementSequence(table, column) {
        return await this.knex.raw(`WITH sequence_infos AS (SELECT pg_get_serial_sequence(?, ?) AS seq_name, MAX(??) as max_val FROM ??) SELECT SETVAL(seq_name, max_val) FROM sequence_infos;`, [`"${table}"`, column, column, table]);
    }
}