AmatyaAvadhanula commented on a change in pull request #12046:
URL: https://github.com/apache/druid/pull/12046#discussion_r766360320
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File path:
core/src/main/java/org/apache/druid/timeline/partition/DimensionRangeShardSpec.java
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@@ -145,29 +141,58 @@ private static ShardSpecLookup createLookup(List<?
extends ShardSpec> shardSpecs
return Collections.unmodifiableList(dimensions);
}
- private Range<String> getFirstDimRange()
+ /**
+ * Check if a given domain of Strings is a singleton set containing the
given value
+ * @param rangeSet Domain of Strings
+ * @param val Value of String
+ * @return rangeSet == {val}
+ */
+ private boolean isRangeSetSingletonWithVal(RangeSet<String> rangeSet, String
val)
{
- Range<String> range;
- if (firstDimStart == null && firstDimEnd == null) {
- range = Range.all();
- } else if (firstDimStart == null) {
- range = Range.atMost(firstDimEnd);
- } else if (firstDimEnd == null) {
- range = Range.atLeast(firstDimStart);
- } else {
- range = Range.closed(firstDimStart, firstDimEnd);
- }
- return range;
+ Range<String> singletonRange = Range.closed(val, val);
+ RangeSet<String> singletonRangeSet = TreeRangeSet.create();
+ singletonRangeSet.add(singletonRange);
+ return rangeSet.equals(singletonRangeSet);
}
@Override
public boolean possibleInDomain(Map<String, RangeSet<String>> domain)
{
- RangeSet<String> rangeSet = domain.get(dimensions.get(0));
- if (rangeSet == null) {
- return true;
+ // Indicate if start[0:dim), end[0:dim) are the greatest, least members of
domain[0:dim) respectively
+ boolean startIsGreatestInDomain = true, endIsLeastInDomain = true;
+ for (int dim = 0; dim < dimensions.size(); dim++) {
Review comment:
done
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