assertion

Author: dnhatn

x-pack/plugin/esql/compute/src/main/generated-src/org/elasticsearch/compute/aggregation/RateDoubleAggregator.java

@@ -323,6 +323,7 @@ public class Rate$Type$Aggregator {
 
         private static double computeRateWithoutExtrapolate($Type$RateState state, long unitInMillis) {
             final int len = state.entries();
+            assert len >= 2 : "rate requires at least two samples; got " + len;
             final long firstTS = state.timestamps[state.timestamps.length - 1];
             final long lastTS = state.timestamps[0];
             double reset = state.reset;
@@ -347,6 +348,7 @@ public class Rate$Type$Aggregator {
          */
         private static double extrapolateRate($Type$RateState state, long rangeStart, long rangeEnd, long unitInMillis) {
             final int len = state.entries();
+            assert len >= 2 : "rate requires at least two samples; got " + len;
             final long firstTS = state.timestamps[state.timestamps.length - 1];
             final long lastTS = state.timestamps[0];
             double reset = state.reset;