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stream(query: Query): Observable> {
return new Observable((subscriber: Observer>): void => {
if (!this.open) {
subscriber.error(new Error('Cannot run query; connection is not open.'));
return;
}
if (query.getClauses().length === 0) {
subscriber.error(Error('Cannot run query: no clauses attached to the query.'));
return;
}
const session = this.session();
if (!session) {
throw Error('Cannot run query: connection is not open.');
}
// Run the query
stream(): RxObservable> {
if (!this.connection) {
return new Observable((subscriber: Observer>): void => {
subscriber.error(new Error('Cannot run query; no connection object available.'));
});
}
return this.connection.stream(this);
}