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Posted to dev@lucene.apache.org by "Noble Paul (JIRA)" <ji...@apache.org> on 2013/07/02 10:52:23 UTC
[jira] [Commented] (SOLR-4978) Time is stripped from datetime
column when imported into Solr date field
[ https://issues.apache.org/jira/browse/SOLR-4978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697615#comment-13697615 ]
Noble Paul commented on SOLR-4978:
----------------------------------
Do you see any backcompat issues if we change from ResultSet.getDate() to ResultSet.getTimestamp()
> Time is stripped from datetime column when imported into Solr date field
> ------------------------------------------------------------------------
>
> Key: SOLR-4978
> URL: https://issues.apache.org/jira/browse/SOLR-4978
> Project: Solr
> Issue Type: Bug
> Components: contrib - DataImportHandler
> Reporter: Bill Au
>
> I discovered that all dates I imported into a Solr date field from a MySQL datetime column have the time stripped (ie time portion is always 00:00:00).
> After double checking my DIH config and trying different things, I decided to take a look at the DIH code.
> When I looked at the source code of DIH JdbcDataSource class, I discovered that it is using java.sql.ResultSet and its getDate() method to handle date field. The getDate() method returns java.sql.Date. The java api doc for java.sql.Date
> http://docs.oracle.com/javase/6/docs/api/java/sql/Date.html
> states that:
> "To conform with the definition of SQL DATE, the millisecond values wrapped by a java.sql.Date instance must be 'normalized' by setting the hours, minutes, seconds, and milliseconds to zero in the particular time zone with which the instance is associated."
> I am so surprise at my finding that I think I may not be right. What am I doing wrong here? This is such a big hole in DIH, how could it be possible that no one has noticed this until now?
> Has anyone successfully imported a datetime column into a Solr date field using DIH?
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