- Type conversion, https://community.hortonworks.com/questions/40264/nifi-executesql-processor-changing-data-types-to-s.html
- ExecuteSQL.configureSqlWriter(), https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ExecuteSQL.java
- DefaultAvroSqlWriter.writeResultSet(), https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/sql/DefaultAvroSqlWriter.java
- JdbcCommon, https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-extension-utils/nifi-database-utils/src/main/java/org/apache/nifi/util/db/JdbcCommon.java
- convertToAvroStream()
- useLogicalTypes(): Refer NiFi ExecuteSQL property "Use Avro Logical Types"
- 20210111 Top 5 Questions about Apache NiFi - Cloudera Blog, EN, https://blog.cloudera.com/top-5-questions-about-apache-nifi/