odbc - Hive Update and Delete -


i using hive 1.0.0 version , hadoop 2.6.0 , cloudera odbc driver. trying update , delete data in hive database cloudera hiveodbc driver throws error. here error.

what have done ?

create:

create database geometry;  create table odbctest (employeeid int,firstname string,designation string, salary int,department string)  clustered (department) 3 buckets stored orcfile tblproperties ('transactional'='true');

table created.

insert:

insert table geometry.odbctest values(10,'hive','hive',0,'b');

by passing above query data inserting database.

update:

when trying update following error getting

update geometry.odbctest set salary = 50000 employeeid = 10;

sql> update geometry.odbctest set salary = 50000 employeeid = 10;

[s1000][cloudera][hiveodbc] (55) insert operation not support table: hive.geometry.odbctest

[isql]error: not sqlprepare

delete:

when trying delete following error getting

delete geometry.odbctest employeeid=10;

sql> delete geometry.odbctest employeeid=10;

[s1000][cloudera][hiveodbc] (55) insert operation not support table: hive.geometry.odbctest

[isql]error: not sqlprepare

can me out,

you have done couple of required steps properly:

  • orc format
  • bucketed table

a cause be: 1 or more of following hive settings not included:

these configuration parameters must set appropriately turn on transaction support in hive:

hive.support.concurrency – true hive.enforce.bucketing – true hive.exec.dynamic.partition.mode – nonstrict hive.txn.manager – org.apache.hadoop.hive.ql.lockmgr.dbtxnmanager hive.compactor.initiator.on – true (for 1 instance of thrift metastore service) hive.compactor.worker.threads – positive number on @ least 1 instance of thrift metastore service

the full requirements transaction support here: https://cwiki.apache.org/confluence/display/hive/hive+transactions

if have verified above settings in place 

describe extended odbctest;

to evaluate transaction related characteristics.


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