v.21.1Improvements

Fix non-deterministic results in windowFunnel function for identical event timestamps

Official CH changelog text
Fix non-deterministic result of windowFunnel function in case of same timestamp for different events. #18884 (Fuwang Hu).
Fixed the non-deterministic behavior of the windowFunnel function when multiple events share the same timestamp.

Why it matters

This fix addresses the issue where the windowFunnel function could produce inconsistent results if different events occurred at the exact same timestamp, ensuring reliable and deterministic query outcomes.

How to use it

No changes to usage are required. The fix is applied internally, and windowFunnel now returns consistent results even when events have identical timestamps.

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