c21 commented on a change in pull request #32907:
URL: https://github.com/apache/spark/pull/32907#discussion_r651446735
##########
File path:
common/sketch/src/main/java/org/apache/spark/util/sketch/BloomFilterImpl.java
##########
@@ -193,14 +193,29 @@ public boolean isCompatible(BloomFilter other) {
@Override
public BloomFilter mergeInPlace(BloomFilter other) throws
IncompatibleMergeException {
+ BloomFilterImpl otherImplInstance = checkCompatibilityForMerge(other);
+
+ this.bits.putAll(otherImplInstance.bits);
+ return this;
+ }
+
+ @Override
+ public BloomFilter intersectInPlace(BloomFilter other) throws
IncompatibleMergeException {
+ BloomFilterImpl otherImplInstance = checkCompatibilityForMerge(other);
+
+ this.bits.and(otherImplInstance.bits);
+ return this;
+ }
+
+ private BloomFilterImpl checkCompatibilityForMerge(BloomFilter other) throws
IncompatibleMergeException {
// Duplicates the logic of `isCompatible` here to provide better error
message.
if (other == null) {
throw new IncompatibleMergeException("Cannot merge null bloom filter");
}
if (!(other instanceof BloomFilterImpl)) {
throw new IncompatibleMergeException(
- "Cannot merge bloom filter of class " + other.getClass().getName()
+ "Cannot merge bloom filter of class " +
other.getClass().getName()
Review comment:
nit: seem to be unnecessary changed indentation.
##########
File path:
common/sketch/src/main/java/org/apache/spark/util/sketch/BloomFilterImpl.java
##########
@@ -212,12 +227,10 @@ public BloomFilter mergeInPlace(BloomFilter other) throws
IncompatibleMergeExcep
if (this.numHashFunctions != that.numHashFunctions) {
throw new IncompatibleMergeException(
- "Cannot merge bloom filters with different number of hash functions"
+ "Cannot merge bloom filters with different number of hash
functions"
Review comment:
nit: seem to be unnecessary changed indentation.
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