Hello Is there a reason why JdbcCommon#createSchema creates an Avro schema with nullable types for all fields? Why not check with java.sql.ResultSetMetaData#isNullable ?
https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.7.1/org.apache.nifi.processors.standard.ExecuteSQL/index.html https://github.com/apache/nifi/blob/rel/nifi-1.7.1/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/util/JdbcCommon.java#L500 Regards, Chris
