richardstartin commented on a change in pull request #8139:
URL: https://github.com/apache/pinot/pull/8139#discussion_r801891692
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/aggregation/function/MinAggregationFunction.java
##########
@@ -54,15 +54,47 @@ public GroupByResultHolder createGroupByResultHolder(int
initialCapacity, int ma
@Override
public void aggregate(int length, AggregationResultHolder
aggregationResultHolder,
Map<ExpressionContext, BlockValSet> blockValSetMap) {
- double[] valueArray = blockValSetMap.get(_expression).getDoubleValuesSV();
- double min = aggregationResultHolder.getDoubleResult();
- for (int i = 0; i < length; i++) {
- double value = valueArray[i];
- if (value < min) {
- min = value;
+ BlockValSet blockValSet = blockValSetMap.get(_expression);
+ switch (blockValSet.getValueType().getStoredType()) {
+ case INT: {
+ int[] values = blockValSet.getIntValuesSV();
+ int min = values[0];
+ for (int i = 0; i < length & i < values.length; i++) {
+ min = Math.min(values[i], min);
+ }
+ aggregationResultHolder.setValue(Math.min(min,
aggregationResultHolder.getDoubleResult()));
+ break;
+ }
+ case LONG: {
+ long[] values = blockValSet.getLongValuesSV();
+ long min = values[0];
+ for (int i = 0; i < length & i < values.length; i++) {
+ min = Math.min(values[i], min);
+ }
+ aggregationResultHolder.setValue(Math.min(min,
aggregationResultHolder.getDoubleResult()));
+ break;
+ }
+ case FLOAT: {
+ float[] values = blockValSet.getFloatValuesSV();
+ float min = values[0];
+ for (int i = 0; i < length & i < values.length; i++) {
+ min = Math.min(values[i], min);
+ }
+ aggregationResultHolder.setValue(Math.min(min,
aggregationResultHolder.getDoubleResult()));
+ break;
+ }
+ case DOUBLE: {
+ double[] values = blockValSet.getDoubleValuesSV();
+ double min = values[0];
+ for (int i = 0; i < length & i < values.length; i++) {
+ min = Math.min(values[i], min);
+ }
+ aggregationResultHolder.setValue(Math.min(min,
aggregationResultHolder.getDoubleResult()));
+ break;
}
+ default:
+ throw new IllegalStateException("Cannot compute min for non-numeric
type: " + blockValSet.getValueType());
Review comment:
this one is actually correct, but good catch for the others.
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