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https://issues.apache.org/jira/browse/NIFI-5049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433818#comment-16433818
 ] 

ASF GitHub Bot commented on NIFI-5049:
--------------------------------------

Github user MikeThomsen commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/2625#discussion_r180728070
  
    --- Diff: 
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/QueryDatabaseTable.java
 ---
    @@ -303,9 +303,8 @@ public void onTrigger(final ProcessContext context, 
final ProcessSessionFactory
     
                 final Integer queryTimeout = 
context.getProperty(QUERY_TIMEOUT).evaluateAttributeExpressions().asTimePeriod(TimeUnit.SECONDS).intValue();
                 st.setQueryTimeout(queryTimeout); // timeout in seconds
    -            try {
    -                logger.debug("Executing query {}", new 
Object[]{selectQuery});
    -                final ResultSet resultSet = st.executeQuery(selectQuery);
    +            logger.debug("Executing query {}", new Object[]{selectQuery});
    --- End diff --
    
    Should be wrapped with `if (logger.isDebugEnabled()) {}`


> Fix handling of Phonenix datetime columns in QueryDatabaseTable and 
> GenerateTableFetch
> --------------------------------------------------------------------------------------
>
>                 Key: NIFI-5049
>                 URL: https://issues.apache.org/jira/browse/NIFI-5049
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.5.0
>            Reporter: Gardella Juan Pablo
>            Assignee: Matt Burgess
>            Priority: Major
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> QueryDatabaseAdapter does not work against Phoenix DB if it should convert 
> TIMESTAMP. The error is described below:
> [https://stackoverflow.com/questions/45989678/convert-varchar-to-timestamp-in-hbase]
> Basically, it's required to use TO_TIMESTAMP(MAX_COLUMN) to make it work. 
> See 
> [https://lists.apache.org/thread.html/%3cca+kifscje8ay+uxt_d_vst4qgzf4jxwovboynjgztt4dsbs...@mail.gmail.com%3E]



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