Matt Burgess created NIFI-5082: ---------------------------------- Summary: SQL processors do not handle Avro conversion of Oracle timestamps correctly Key: NIFI-5082 URL: https://issues.apache.org/jira/browse/NIFI-5082 Project: Apache NiFi Issue Type: Bug Reporter: Matt Burgess
In JdbcCommon (used by such processors as ExecuteSQL and QueryDatabaseTable), if a ResultSet column is not a CLOB or BLOB, its value is retrieved using getObject(), then further processing is done based on the SQL type and/or the Java class of the value. However, in Oracle when getObject() is called on a Timestamp column, it returns an Oracle-specific TIMESTAMP class which does not inherit from java.sql.Timestamp or java.sql.Date. Thus the processing "falls through" and its value is attempted to be inserted as a string, which violates the Avro schema (which correctly recognized it as a long of timestamp logical type). At least for Oracle, the right way to process a Timestamp column is to call getTimestamp() rather than getObject(), the former returns a java.sql.Timestamp object which would correctly be processed by the current code. I would hope that all drivers would support this but we would want to test on (at least) MySQL, Oracle, and PostgreSQL. -- This message was sent by Atlassian JIRA (v7.6.3#76005)