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Posted to dev@hive.apache.org by "Suhas Vasu (JIRA)" <ji...@apache.org> on 2014/08/18 13:03:18 UTC
[jira] [Updated] (HIVE-7762) Enhancement while getting partitions
via webhcat client
[ https://issues.apache.org/jira/browse/HIVE-7762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Suhas Vasu updated HIVE-7762:
-----------------------------
Status: Patch Available (was: Open)
> Enhancement while getting partitions via webhcat client
> -------------------------------------------------------
>
> Key: HIVE-7762
> URL: https://issues.apache.org/jira/browse/HIVE-7762
> Project: Hive
> Issue Type: Improvement
> Components: WebHCat
> Reporter: Suhas Vasu
> Priority: Minor
> Attachments: HIVE-7762.patch
>
>
> Hcatalog creates partitions in lower case, whereas getting partitions from hcatalog via webhcat client doesn't handle this. So the client starts throwing exceptions.
> Ex:
> CREATE EXTERNAL TABLE in_table (word STRING, cnt INT) PARTITIONED BY (Year STRING, Month STRING, Date STRING, Hour STRING, Minute STRING) STORED AS TEXTFILE LOCATION '/user/suhas/hcat-data/in/';
> Then i try to get partitions by:
> {noformat}
> String inputTableName = "in_table";
> String database = "default";
> Map<String, String> partitionSpec = new HashMap<String, String>();
> partitionSpec.put("Year", "2014");
> partitionSpec.put("Month", "08");
> partitionSpec.put("Date", "11");
> partitionSpec.put("Hour", "00");
> partitionSpec.put("Minute", "00");
> HCatClient client = get(catalogUrl);
> HCatPartition hCatPartition = client.getPartition(database, inputTableName, partitionSpec);
> {noformat}
> This throws up saying:
> {noformat}
> Exception in thread "main" org.apache.hcatalog.common.HCatException : 9001 : Exception occurred while processing HCat request : Invalid partition-key specified: year
> at org.apache.hcatalog.api.HCatClientHMSImpl.getPartition(HCatClientHMSImpl.java:366)
> at com.inmobi.demo.HcatPartitions.main(HcatPartitions.java:34)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> {noformat}
> The same code works if i do
> {noformat}
> partitionSpec.put("year", "2014");
> partitionSpec.put("month", "08");
> partitionSpec.put("date", "11");
> partitionSpec.put("hour", "00");
> partitionSpec.put("minute", "00");
> {noformat}
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