aasha commented on a change in pull request #1110:
URL: https://github.com/apache/hive/pull/1110#discussion_r441361483
##########
File path: standalone-metastore/metastore-server/src/main/resources/package.jdo
##########
@@ -1534,10 +1534,10 @@
<column name="RM_DUMP_EXECUTION_ID" jdbc-type="bigint"
allows-null="false"/>
</field>
<field name="metadata">
- <column name="RM_METADATA" jdbc-type="varchar" allows-null="true"/>
+ <column name="RM_METADATA" jdbc-type="varchar" length="4000"
allows-null="true"/>
Review comment:
There are null checks present already
if (!StringUtils.isEmpty(replicationMetric.getMetadata())) {
mReplicationMetrics.setMetadata(replicationMetric.getMetadata());
}
if (!StringUtils.isEmpty(replicationMetric.getProgress())) {
mReplicationMetrics.setProgress(replicationMetric.getProgress());
}
And json serialization handles null
Code from json serializer
/**
* The method to be called by {@link ObjectMapper} and {@link
ObjectWriter}
* for serializing given value, using serializers that
* this provider has access to (via caching and/or creating new
serializers
* as need be).
*/
public void serializeValue(JsonGenerator gen, Object value) throws
IOException
{
_generator = gen;
if (value == null) {
_serializeNull(gen);
return;
}
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