nocobase/packages/core/database/src/query-interface/sqlite-query-interface.ts

import QueryInterface from './query-interface';
import { Collection } from '../collection';

export default class SqliteQueryInterface extends QueryInterface {
  constructor(db) {
    super(db);
  }

  async collectionTableExists(collection: Collection, options?) {
    const transaction = options?.transaction;

    const tableName = collection.model.tableName;

    const sql = `SELECT name FROM sqlite_master WHERE type='table' AND name='${tableName}';`;
    const results = await this.db.sequelize.query(sql, { type: 'SELECT', transaction });
    return results.length > 0;
  }
}