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Posted to issues@hive.apache.org by "Pengcheng Xiong (JIRA)" <ji...@apache.org> on 2015/09/15 01:04:46 UTC
[jira] [Updated] (HIVE-11815) Correct the column/table names in
subquery expression when creating a view
[ https://issues.apache.org/jira/browse/HIVE-11815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pengcheng Xiong updated HIVE-11815:
-----------------------------------
Summary: Correct the column/table names in subquery expression when creating a view (was: Correct the column/table names in subquery expression when create a view)
> Correct the column/table names in subquery expression when creating a view
> --------------------------------------------------------------------------
>
> Key: HIVE-11815
> URL: https://issues.apache.org/jira/browse/HIVE-11815
> Project: Hive
> Issue Type: Sub-task
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-11815.01.patch
>
>
> Right now Hive does not quote column/table names in subquery expression when create a view. For example
> {code}
> hive>
> > create table tc (`@d` int);
> OK
> Time taken: 0.119 seconds
> hive> create view tcv as select * from tc b where exists (select a.`@d` from tc a where b.`@d`=a.`@d`);
> OK
> Time taken: 0.075 seconds
> hive> describe extended tcv;
> OK
> @d int
> Detailed Table Information Table(tableName:tcv, dbName:default, owner:pxiong, createTime:1442250005, lastAccessTime:0, retention:0, sd:StorageDescriptor(cols:[FieldSchema(name:@d, type:int, comment:null)], location:null, inputFormat:org.apache.hadoop.mapred.SequenceFileInputFormat, outputFormat:org.apache.hadoop.hive.ql.io.HiveSequenceFileOutputFormat, compressed:false, numBuckets:-1, serdeInfo:SerDeInfo(name:null, serializationLib:null, parameters:{}), bucketCols:[], sortCols:[], parameters:{}, skewedInfo:SkewedInfo(skewedColNames:[], skewedColValues:[], skewedColValueLocationMaps:{}), storedAsSubDirectories:false), partitionKeys:[], parameters:{transient_lastDdlTime=1442250005}, viewOriginalText:select * from tc b where exists (select a.@d from tc a where b.@d=a.@d), viewExpandedText:select `b`.`@d` from `default`.`tc` `b` where exists (select a.@d from tc a where b.@d=a.@d), tableType:VIRTUAL_VIEW)
> Time taken: 0.063 seconds, Fetched: 3 row(s)
> hive> select * from tcv;
> FAILED: SemanticException line 1:63 character '@' not supported here
> line 1:84 character '@' not supported here
> line 1:89 character '@' not supported here in definition of VIEW tcv [
> select `b`.`@d` from `default`.`tc` `b` where exists (select a.@d from tc a where b.@d=a.@d)
> ] used as tcv at Line 1:14
> {code}
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