hive orc update

hive-site.xml

--><configuration>
  <!-- WARNING!!! This file is auto generated for documentation purposes ONLY! -->
  <!-- WARNING!!! Any changes you make to this file will be ignored by Hive.   -->
  <!-- WARNING!!! You must make your changes in hive-site.xml instead.         -->
  <!-- Hive Execution Parameters -->
  <property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://192.168.1.160:3306/hivedb?createDatabaseIfNotExist=true</value>
  </property>
  <property>
    <name>javax.jdo.option.ConnectionDriverName</name>
    <value>com.mysql.jdbc.Driver</value>
  </property>
<property>
  <name>javax.jdo.option.ConnectionUserName</name>
  <value>root</value>
</property>

<property>
  <name>javax.jdo.option.ConnectionPassword</name>
  <value>xxx</value>
</property>
<property>
    <name>hive.optimize.sort.dynamic.partition</name>
    <value>false</value>
</property>
<property>
    <name>hive.support.concurrency</name>
    <value>true</value>
</property>
<property>
    <name>hive.enforce.bucketing</name>
    <value>true</value>
</property>
<property>
    <name>hive.exec.dynamic.partition.mode</name>
    <value>nonstrict</value>
</property>
<property>
    <name>hive.txn.manager</name>
    <value>org.apache.hadoop.hive.ql.lockmgr.DbTxnManager</value>
</property>
<property>
    <name>hive.compactor.initiator.on</name>
    <value>true</value>
</property>
<property>
    <name>hive.compactor.worker.threads</name>
    <value>1</value>
</property>

不要加此配置_{不要加此配置}不要加此配置 说三遍

加了会报错 FAILED: RuntimeException Unable to set up transaction database for testing: Can't call rollback when autocommit=true

<property>
    <name>hive.in.test</name>
    <value>true</value>
</property>

建表有要求 支持update格式要为orc的表,要指定transactional=true’，并且必须分桶

create table test(id int,name string) clustered by (name) into 5 buckets stored as orc TBLPROPERTIES('transactional'='true');

insert into table test values (1,'jx');

hive (default)> select * from student;
OK
1       jx

update student set id=5 where name='jx';

hive (default)> select * from student;
OK
5       jx