Differential D7102 Diff 23870 web/database/queries/db-queries.js

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				// @flow

				function getDbVersion(db: SqliteDatabase): number {
				const versionData = db.exec('PRAGMA user_version;');
				if (!versionData.length \|\| !versionData[0].values.length) {
				throw new Error('Error while retrieving database version: empty result');
				}
				const dbVersions: SqlValue = versionData[0].values[0][0];
				if (typeof dbVersions !== 'number') {
				throw new Error(
				'Error while retrieving database version: invalid type returned',
				);
				}
				return dbVersions;
				}

				export { getDbVersion };