It treats it as a boolean.
http://www.h2database.com/html/datatypes.html#boolean_type
On Mon, Jun 3, 2013 at 8:16 PM, Stephen Sprague <sprag...@gmail.com> wrote:
> it does. so its a bit datatype. that's a tad non-standard i'd say. what
> does your backend store (H2) do with that?
>
> {code}
> | SDS | CREATE TABLE `SDS` (
>
> `SD_ID` bigint(20) NOT NULL,
> `INPUT_FORMAT` varchar(4000) CHARACTER SET latin1 COLLATE latin1_bin
> DEFAULT NULL,
> `IS_COMPRESSED` bit(1) NOT NULL,
> `LOCATION` varchar(4000) CHARACTER SET latin1 COLLATE latin1_bin DEFAULT
> NULL,
> `NUM_BUCKETS` int(11) NOT NULL,
> `OUTPUT_FORMAT` varchar(4000) CHARACTER SET latin1 COLLATE latin1_bin
> DEFAULT NULL,
> `SERDE_ID` bigint(20) DEFAULT NULL,
> PRIMARY KEY (`SD_ID`),
> KEY `SDS_N49` (`SERDE_ID`),
> CONSTRAINT `SDS_FK1` FOREIGN KEY (`SERDE_ID`) REFERENCES `SERDES`
> (`SERDE_ID`)
> ) ENGINE=InnoDB DEFAULT CHARSET=latin1 |
> {code}
>
>
> On Mon, Jun 3, 2013 at 4:57 PM, Jamal B <jm151...@gmail.com> wrote:
>
>> I gave that a shot, but it didn't work. Could you run a describe table
>> to see if it matches this schema (assuming mysql):
>> --
>> -- Table structure for table `SDS`
>> --
>>
>> /*!40101 SET @saved_cs_client = @@character_set_client */;
>> /*!40101 SET character_set_client = utf8 */;
>> CREATE TABLE IF NOT EXISTS `SDS` (
>> `SD_ID` bigint(20) NOT NULL,
>> `INPUT_FORMAT` varchar(4000) CHARACTER SET latin1 COLLATE latin1_bin
>> DEFAULT NULL,
>> `IS_COMPRESSED` bit(1) NOT NULL,
>> `LOCATION` varchar(4000) CHARACTER SET latin1 COLLATE latin1_bin
>> DEFAULT NULL,
>> `NUM_BUCKETS` int(11) NOT NULL,
>> `OUTPUT_FORMAT` varchar(4000) CHARACTER SET latin1 COLLATE latin1_bin
>> DEFAULT NULL,
>> `SERDE_ID` bigint(20) DEFAULT NULL,
>> PRIMARY KEY (`SD_ID`),
>> KEY `SDS_N49` (`SERDE_ID`),
>> CONSTRAINT `SDS_FK1` FOREIGN KEY (`SERDE_ID`) REFERENCES `SERDES`
>> (`SERDE_ID`)
>> ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
>>
>>
>>
>> On Mon, Jun 3, 2013 at 4:20 PM, Stephen Sprague <sprag...@gmail.com>wrote:
>>
>>> not that this is any consolation but on my mysql instance, same cdh
>>> release, i have the following for IS_COMPRESSED where you have 'false':
>>>
>>> {code}
>>> {metastore@etl1 root 13:13}>select SD_ID, is_compressed from SDS limit
>>> 10;
>>> +-------+---------------+
>>> | SD_ID | is_compressed |
>>> +-------+---------------+
>>> | 1 | |
>>> | 2 | |
>>> | 6 | |
>>> | 11 | |
>>> | 26 | |
>>> | 31 | |
>>> | 36 | |
>>> | 41 | |
>>> | 46 | |
>>> | 47 | |
>>> +-------+---------------+
>>> 10 rows in set (0.00 sec)
>>> {code}
>>>
>>> so *maybe* that 'false' value there is something specific to your
>>> backend store? might you experiment and change it to a null string? and
>>> see if that changes anything? Something to think about anyway.
>>>
>>>
>>>
>>> On Mon, Jun 3, 2013 at 12:49 PM, Jamal B <jm151...@gmail.com> wrote:
>>>
>>>> Please forgive the cross post, but I could really use some help.
>>>>
>>>> I have Hive setup using a remote metastore, backed by H2, and am able
>>>> to create tables, load data, and query them without issue. However, when I
>>>> restart the remote metastore, I can no longer query previously created
>>>> tables. 'show tables' shows them, but when I perform a simple select
>>>> 'select * from test_table limit 5' I receive a FAILED: Error in semantic
>>>> analysis: Unable to fetch table test_table error. When I look at the logs
>>>> in the metastore, I noticed the following exceptions repeat until the retry
>>>> limit is exceeded:
>>>>
>>>> 13/06/03 19:02:06 INFO HiveMetaStore.audit: ugi=rtws ip=unknown-ip-addr
>>>> cmd=get_table
>>>> : db=default tbl=test_table
>>>> 13/06/03 19:02:06 INFO DataNucleus.MetaData: Listener found
>>>> initialisation for persistable class
>>>> org.apache.hadoop.hive.metastore.model.MSerDeInfo
>>>> 13/06/03 19:02:06 INFO DataNucleus.MetaData: Listener found
>>>> initialisation for persistable class
>>>> org.apache.hadoop.hive.metastore.model.MStorageDescriptor
>>>> 13/06/03 19:02:06 INFO DataNucleus.MetaData: Listener found
>>>> initialisation for persistable class
>>>> org.apache.hadoop.hive.metastore.model.MTable
>>>> 13/06/03 19:02:06 INFO DataNucleus.JDO: Exception thrown
>>>> Illegal null value in column SDS.IS_COMPRESSED
>>>> org.datanucleus.exceptions.NucleusDataStoreException: Illegal null
>>>> value in column SDS.IS_COMPRESSED
>>>> at
>>>> org.datanucleus.store.rdbms.mapping.CharRDBMSMapping.getBoolean(CharRDBMSMapping.java:374)
>>>> at
>>>> org.datanucleus.store.mapped.mapping.SingleFieldMapping.getBoolean(SingleFieldMapping.java:122)
>>>> at
>>>> org.datanucleus.store.rdbms.fieldmanager.ResultSetGetter.fetchBooleanField(ResultSetGetter.java:64)
>>>> at
>>>> org.datanucleus.state.AbstractStateManager.replacingBooleanField(AbstractStateManager.java:1038)
>>>> at
>>>> org.apache.hadoop.hive.metastore.model.MStorageDescriptor.jdoReplaceField(MStorageDescriptor.java)
>>>> at
>>>> org.apache.hadoop.hive.metastore.model.MStorageDescriptor.jdoReplaceFields(MStorageDescriptor.java)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2860)
>>>> at
>>>> org.datanucleus.store.rdbms.query.PersistentClassROF$2.fetchFields(PersistentClassROF.java:487)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.loadFieldValues(JDOStateManagerImpl.java:858)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.initialiseForHollow(JDOStateManagerImpl.java:258)
>>>> at
>>>> org.datanucleus.state.StateManagerFactory.newStateManagerForHollowPopulated(StateManagerFactory.java:87)
>>>> at
>>>> org.datanucleus.ObjectManagerImpl.findObject(ObjectManagerImpl.java:2389)
>>>> at
>>>> org.datanucleus.store.rdbms.query.PersistentClassROF.getObjectForDatastoreId(PersistentClassROF.java:481)
>>>> at
>>>> org.datanucleus.store.rdbms.query.PersistentClassROF.getObject(PersistentClassROF.java:366)
>>>> at
>>>> org.datanucleus.store.rdbms.fieldmanager.ResultSetGetter.fetchObjectField(ResultSetGetter.java:144)
>>>> at
>>>> org.datanucleus.state.AbstractStateManager.replacingObjectField(AbstractStateManager.java:1183)
>>>> at
>>>> org.apache.hadoop.hive.metastore.model.MTable.jdoReplaceField(MTable.java)
>>>> at
>>>> org.apache.hadoop.hive.metastore.model.MTable.jdoReplaceFields(MTable.java)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2860)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2879)
>>>> at
>>>> org.datanucleus.store.rdbms.request.FetchRequest.execute(FetchRequest.java:335)
>>>> at
>>>> org.datanucleus.store.rdbms.RDBMSPersistenceHandler.fetchObject(RDBMSPersistenceHandler.java:240)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.loadFieldsFromDatastore(JDOStateManagerImpl.java:1929)
>>>> at
>>>> org.datanucleus.jdo.state.JDOStateManagerImpl.loadUnloadedFields(JDOStateManagerImpl.java:1597)
>>>> at org.datanucleus.jdo.state.Hollow.transitionRetrieve(Hollow.java:168)
>>>> at
>>>> org.datanucleus.state.AbstractStateManager.retrieve(AbstractStateManager.java:470)
>>>> at
>>>> org.datanucleus.ObjectManagerImpl.retrieveObject(ObjectManagerImpl.java:1131)
>>>> at
>>>> org.datanucleus.jdo.JDOPersistenceManager.jdoRetrieve(JDOPersistenceManager.java:534)
>>>> at
>>>> org.datanucleus.jdo.JDOPersistenceManager.retrieve(JDOPersistenceManager.java:551)
>>>> at
>>>> org.datanucleus.jdo.JDOPersistenceManager.retrieve(JDOPersistenceManager.java:560)
>>>> at
>>>> org.apache.hadoop.hive.metastore.ObjectStore.getMTable(ObjectStore.java:776)
>>>> at
>>>> org.apache.hadoop.hive.metastore.ObjectStore.getTable(ObjectStore.java:709)
>>>> at
>>>> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler$17.run(HiveMetaStore.java:1076)
>>>> at
>>>> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler$17.run(HiveMetaStore.java:1073)
>>>> at
>>>> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.executeWithRetry(HiveMetaStore.java:307)
>>>> at
>>>> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_table(HiveMetaStore.java:1073)
>>>> at
>>>> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$get_table.process(ThriftHiveMetastore.java:5457)
>>>> at
>>>> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor.process(ThriftHiveMetastore.java:4789)
>>>> at
>>>> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253)
>>>> at
>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
>>>> at
>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>> at java.lang.Thread.run(Thread.java:679)
>>>>
>>>> What is odd is that when I look at the SDS table, the row for the table
>>>> does not contain a null value:
>>>>
>>>> SD_ID,INPUT_FORMAT,IS_COMPRESSED,LOCATION,NUM_BUCKETS,OUTPUT_FORMAT,SERDE_ID
>>>>
>>>> 1,org.apache.hadoop.mapred.TextInputFormat,false,hdfs://namenode/tmp/hivedata/stuff,-1,org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat,1
>>>>
>>>> So I'm guess it has something to do with the meatstore initialization
>>>> code but I'm not able to figure it out. Here is the hive site config
>>>> section related to the metastore:
>>>> <property>
>>>> <name>javax.jdo.option.ConnectionURL</name>
>>>>
>>>> <value>jdbc:h2:tcp://metastore:8161/metastrdb;SCHEMA_SEARCH_PATH=METASTORE</value>
>>>> <description>JDBC connect string for a JDBC metastore</description>
>>>> </property>
>>>>
>>>> <property>
>>>> <name>javax.jdo.option.ConnectionDriverName</name>
>>>> <value>org.h2.Driver</value>
>>>> <description>Driver class name for a JDBC metastore</description>
>>>> </property>
>>>>
>>>> <property>
>>>> <name>javax.jdo.option.ConnectionUserName</name>
>>>> <value>hiveuser</value>
>>>> </property>
>>>>
>>>> <property>
>>>> <name>javax.jdo.option.ConnectionPassword</name>
>>>> <value>changeme</value>
>>>> </property>
>>>>
>>>> <property>
>>>> <name>datanucleus.autoCreateSchema</name>
>>>> <value>false</value>
>>>> </property>
>>>>
>>>> <property>
>>>> <name>datanucleus.fixedDatastore</name>
>>>> <value>true</value>
>>>> </property>
>>>>
>>>> Attached is the h2 schema used to populate the metastore. I translated
>>>> it from the mysql version without changing any table/column names.
>>>>
>>>>
>>>>
>>>> I am using hive 0.7.1 from the CDH3u4 release. Any help will be
>>>> greatly appreciated.
>>>>
>>>> Thanks
>>>>
>>>>
>>>>
>>>
>>
>
