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https://issues.apache.org/jira/browse/HIVE-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14226801#comment-14226801
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Alan Gates commented on HIVE-8797:
----------------------------------
So are you proposing we change it to
{code}
if (CheckJDOException.isJDODataStoreException(e) && tpart == null) {
// Using utility method above, so that JDODataStoreException
doesn't
// have to be used here. This helps avoid adding jdo dependency
for
// hcatalog client uses
LOG.debug("Caught JDO exception, trying to alter partition
instead");
tpart = getMSC().getPartitionWithAuthInfo(tbl.getDbName(),
tbl.getTableName(), pvals, getUserName(), getGroupNames());
alterPartitionSpec(tbl, partSpec, tpart, inheritTableSpecs,
partPath);
{code}
or
{code}
if (CheckJDOException.isJDODataStoreException(e)) {
// Using utility method above, so that JDODataStoreException
doesn't
// have to be used here. This helps avoid adding jdo dependency
for
// hcatalog client uses
LOG.debug("Caught JDO exception, trying to alter partition
instead");
tpart = getMSC().getPartitionWithAuthInfo(tbl.getDbName(),
tbl.getTableName(), pvals, getUserName(), getGroupNames());
if (tpart != null) {
alterPartitionSpec(tbl, partSpec, tpart, inheritTableSpecs,
partPath);
}
{code}
?
> Simultaneous dynamic inserts can result in "partition already exists" error
> ---------------------------------------------------------------------------
>
> Key: HIVE-8797
> URL: https://issues.apache.org/jira/browse/HIVE-8797
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.14.0
> Reporter: Alan Gates
> Assignee: Alan Gates
> Attachments: HIVE-8797.2.patch, HIVE-8797.patch
>
>
> If two users attempt a dynamic insert into the same new partition at the same
> time, a possible race condition exists where both will attempt to create the
> partition and one will fail.
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