kgyrtkirk commented on a change in pull request #2556:
URL: https://github.com/apache/hive/pull/2556#discussion_r682708324
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File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/model/MPartitionColumnStatistics.java
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@@ -281,11 +281,20 @@ public void setDecimalHighValue(String decimalHighValue) {
}
public byte[] getBitVector() {
+ // workaround for DN bug in persisting nulls in pg bytea column
+ // instead set empty bit vector with header.
+ // https://issues.apache.org/jira/browse/HIVE-17836
+ if (bitVector != null && bitVector.length == 2 && bitVector[0] == 'H' &&
bitVector[1] == 'L') {
+ return null;
+ }
return bitVector;
}
public void setBitVector(byte[] bitVector) {
- this.bitVector = bitVector;
+ // workaround for DN bug in persisting nulls in pg bytea column
Review comment:
is the DN serialization happens thru the getters or thru the fields?
if its reading the fields; what happens if we create an instance of this
class and never call the `setBitVector(null)`? will that be okay?
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