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Original file line number Diff line number Diff line change
Expand Up @@ -542,12 +542,19 @@ public QueryResults<BackendEntry> query(Query query) {

@Override
public Number queryNumber(Query query) {
boolean isConditionQuery = query instanceof ConditionQuery;
boolean hasUpdate = this.hasUpdate();
Aggregate aggregate = query.aggregateNotNull();

// TODO: we can concat index-query results and tx uncommitted records.
if (hasUpdate) {
E.checkArgument(!isConditionQuery,
"It's not allowed to query by index when " +
"there are uncommitted records.");
}

QueryList<Number> queries = this.optimizeQueries(query, q -> {
boolean isIndexQuery = q instanceof IdQuery;
boolean isConditionQuery = query instanceof ConditionQuery;
assert isIndexQuery || isConditionQuery || q == query;
// Need to fallback if there are uncommitted records
boolean fallback = hasUpdate;
Expand Down