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https://issues.apache.org/jira/browse/NIFI-3430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849233#comment-15849233
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Nicholas Carenza commented on NIFI-3430:
----------------------------------------

Apprently it only supports a single string date format hardcoded into the 
processor:
`SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");`

> PutSQL Errors attempting to coerce date string to timestamp
> -----------------------------------------------------------
>
>                 Key: NIFI-3430
>                 URL: https://issues.apache.org/jira/browse/NIFI-3430
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>            Reporter: Nicholas Carenza
>              Labels: convertjsontosql, putsql
>
> I am attempting to write a flat json object to my postgresql database using 
> ConvertJSONToSQL followed by PutSQL. My json has a string date field in ISO 
> 8601 format which postgres can accept as a timestamp. The column in the 
> database is of type 'timestamp without time zone'.
> org.apache.nifi.processor.exception.ProcessException: The value of the 
> sql.args.33.value is '2017-02-01T23:12:21+00:00', which cannot be converted 
> to a timestamp
> Is PutSQL trying to do some preprocessing here that it should just let the 
> database handle?
> select  cast('2017-02-01T23:12:21+00:00' as timestamp without time zone);
>       timestamp      
> ---------------------
>  2017-02-01 23:12:21
> (1 row)



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