Jackie-Jiang commented on a change in pull request #6176:
URL: https://github.com/apache/incubator-pinot/pull/6176#discussion_r510444027
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File path:
pinot-core/src/main/java/org/apache/pinot/core/segment/index/readers/Dictionary.java
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@@ -40,14 +42,52 @@
*/
DataType getValueType();
+ /**
+ * Returns the number of values in the dictionary.
+ */
int length();
/**
* Returns the index of the string representation of the value in the
dictionary, or {@link #NULL_VALUE_INDEX} (-1) if
- * the value does not exist. This API is for cross-type predicate evaluation.
+ * the value does not exist. This method is for the cross-type predicate
evaluation.
*/
int indexOf(String stringValue);
+ /**
+ * Returns the insertion index of the string representation of the value in
the dictionary. This method follows the
+ * same behavior as in {@link Arrays#binarySearch(Object[], Object)}. All
sorted dictionary should support this
+ * method. This method is for the range predicate evaluation.
+ */
+ int insertionIndexOf(String stringValue);
+
+ /**
+ * Returns a set of dictIds in the given value range, where lower/upper
bound can be "*" which indicates unbounded
+ * range. All unsorted dictionary should support this method. This method is
for the range predicate evaluation.
+ */
+ IntSet getDictIdsInRange(String lower, String upper, boolean includeLower,
boolean includeUpper);
+
+ /**
+ * Returns the comparison result of value for dictId 1 and dictId 2, i.e.
{@code value1.compareTo(value2)}.
Review comment:
No, actual value. Updated the javadoc
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