liyafan82 commented on a change in pull request #8579: [FLINK-12687][Runtime /
Operators] ByteHashSet is always in dense mode
URL: https://github.com/apache/flink/pull/8579#discussion_r289720947
##########
File path:
flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/runtime/util/collections/ByteHashSet.java
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@@ -17,21 +17,17 @@
package org.apache.flink.table.runtime.util.collections;
-import org.apache.flink.table.util.MurmurHashUtil;
-
/**
* Byte hash set.
*/
public class ByteHashSet extends OptimizableHashSet {
- private byte[] key;
-
- private byte min = Byte.MAX_VALUE;
- private byte max = Byte.MIN_VALUE;
+ private final byte min = Byte.MIN_VALUE;
+ private final byte max = Byte.MAX_VALUE;
public ByteHashSet(final int expected, final float f) {
super(expected, f);
- this.key = new byte[this.n + 1];
+ used = new boolean[max - min + 1];
}
public ByteHashSet(final int expected) {
Review comment:
I have removed all but the default constructor, because it seems the
'expected' parameter is not used in the code.
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