[jira] [Commented] (HIVE-21031) Array with one empty string is inserted as an empty array
[
https://issues.apache.org/jira/browse/HIVE-21031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16719568#comment-16719568
]
Patrick Byrnes commented on HIVE-21031:
---
This issue occurs when using
{code:java}
ROW FORMAT DELIMITED
FIELDS TERMINATED BY '\t' ESCAPED BY '\\'{code}
but not when
{code:java}
STORED AS PARQUET{code}
> Array with one empty string is inserted as an empty array
> -
>
> Key: HIVE-21031
> URL: https://issues.apache.org/jira/browse/HIVE-21031
> Project: Hive
> Issue Type: Bug
>Affects Versions: 2.3.2
>Reporter: Patrick Byrnes
>Priority: Major
>
> In beeline the output of
> {code:java}
> select array("");{code}
> is:
> {code:java}
> [""]
> {code}
> However, the output of
> {code:java}
> insert into table a select array("");select * from a;{code}
> is one row of:
> {code:java}
> []{code}
>
>
> Similarly, the output of
> {code:java}
> select array(array()){code}
> is:
> {code:java}
> [[]]{code}
> However, the output of
> {code:java}
> insert into table b select array(array());select a,size(a) from b;{code}
> is one row of:
> {code:java}
> []{code}
>
> Is there a way to insert an array whose only element is an empty string or an
> array whose only element is an empty array into a table?
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[jira] [Commented] (HIVE-21031) Array with one empty string is inserted as an empty array
[
https://issues.apache.org/jira/browse/HIVE-21031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16718320#comment-16718320
]
Eric Wohlstadter commented on HIVE-21031:
-
[~pbyrnes]
This may be related to HIVE-20827
/cc [~teddy.choi]
> Array with one empty string is inserted as an empty array
> -
>
> Key: HIVE-21031
> URL: https://issues.apache.org/jira/browse/HIVE-21031
> Project: Hive
> Issue Type: Bug
>Affects Versions: 2.3.2
>Reporter: Patrick Byrnes
>Priority: Major
>
> In beeline the output of
> {code:java}
> select array("");{code}
> is:
> {code:java}
> [""]
> {code}
> However, the output of
> {code:java}
> insert into table a select array("");select * from a;{code}
> is one row of:
> {code:java}
> []{code}
>
>
> Similarly, the output of
> {code:java}
> select array(array()){code}
> is:
> {code:java}
> [[]]{code}
> However, the output of
> {code:java}
> insert into table b select array(array());select a,size(a) from b;{code}
> is one row of:
> {code:java}
> []{code}
>
> Is there a way to insert an array whose only element is an empty string or an
> array whose only element is an empty array into a table?
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