Eric Allam
2b866b8bc7
deltaSumTimestamp states are kept per queue, and merging them across queues silently returns wrong totals, on the dashboard and the public query API alike. Columns can now declare a mergeGroupKey, and the compiler rejects queries that merge such a column without grouping by that key or pinning it to a single value. The error names the column, explains the failure, and includes a corrected example query.