1 | /* | |
2 | * Copyright OpenSearch Contributors | |
3 | * SPDX-License-Identifier: Apache-2.0 | |
4 | */ | |
5 | ||
6 | ||
7 | package org.opensearch.sql.expression.window.ranking; | |
8 | ||
9 | import org.opensearch.sql.expression.function.BuiltinFunctionName; | |
10 | import org.opensearch.sql.expression.window.frame.CurrentRowWindowFrame; | |
11 | ||
12 | /** | |
13 | * Dense rank window function that assigns a rank number to each row similarly as | |
14 | * rank function. The difference is there is no gap between rank number assigned. | |
15 | */ | |
16 | public class DenseRankFunction extends RankingWindowFunction { | |
17 | ||
18 | public DenseRankFunction() { | |
19 | super(BuiltinFunctionName.DENSE_RANK.getName()); | |
20 | } | |
21 | ||
22 | @Override | |
23 | protected int rank(CurrentRowWindowFrame frame) { | |
24 |
1
1. rank : negated conditional → KILLED |
if (frame.isNewPartition()) { |
25 | rank = 1; | |
26 | } else { | |
27 |
1
1. rank : negated conditional → KILLED |
if (isSortFieldValueDifferent(frame)) { |
28 |
1
1. rank : Replaced integer addition with subtraction → KILLED |
rank++; |
29 | } | |
30 | } | |
31 |
1
1. rank : replaced int return with 0 for org/opensearch/sql/expression/window/ranking/DenseRankFunction::rank → KILLED |
return rank; |
32 | } | |
33 | ||
34 | } | |
Mutations | ||
24 |
1.1 |
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27 |
1.1 |
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28 |
1.1 |
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31 |
1.1 |