There is currently no way to get Hive version from the command line. I will leave the other 2 questions to Ashish and Joydeep.
Zheng On Sun, Jun 14, 2009 at 6:48 PM, Eva Tse <[email protected]> wrote: > Great thanks! We are using hive 0.3.0 based on what I know. > > BTW, is there a quick way to find out current hive version on command line > like ‘hive –v’? That would be helpful. > > Also, when would 0.40 be released? And would it work with 0.20.x w/o a > patch? > > Thanks for the info! > Eva. > > > > On 6/14/09 6:21 PM, "Zheng Shao" <[email protected]> wrote: > > Hi Eva, > > Which version of Hive are you using? Is it Hive 0.3.0 release or Hive > trunk? > > This bug is recently fixed in > https://issues.apache.org/jira/browse/HIVE-495 It's not back-ported to > Hive 0.3.0. > > I would suggest you to try hive svn trunk (I think it's time to make Hive > 0.4.0 release from trunk soon). > > Zheng > > On Sun, Jun 14, 2009 at 5:34 PM, Eva Tse <[email protected]> wrote: > > We get this error when having “cast (tablename.properties['time'] as > int)/3600.0” in the select clause of a hive query (with join). Is this a > known problem/limitation? > BTW, this only happens when this table is joined with another table in the > query. > > Thanks, > Eva. > > java.lang.ClassCastException: java.util.HashMap cannot be cast to > org.apache.hadoop.hive.serde2.lazy.LazyMap > at > org.apache.hadoop.hive.serde2.objectinspector.LazyMapObjectInspector.getMapValueElement(LazyMapObjectInspector.java:85) > at > org.apache.hadoop.hive.ql.exec.ExprNodeIndexEvaluator.evaluate(ExprNodeIndexEvaluator.java:86) > at > org.apache.hadoop.hive.ql.exec.ExprNodeFuncEvaluator.evaluate(ExprNodeFuncEvaluator.java:99) > at > org.apache.hadoop.hive.ql.exec.ExprNodeFuncEvaluator.evaluate(ExprNodeFuncEvaluator.java:99) > at > org.apache.hadoop.hive.ql.exec.ExprNodeFuncEvaluator.evaluate(ExprNodeFuncEvaluator.java:99) > at > org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:67) > at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:383) > at > org.apache.hadoop.hive.ql.exec.FilterOperator.process(FilterOperator.java:70) > at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:383) > at > org.apache.hadoop.hive.ql.exec.JoinOperator.createForwardJoinObject(JoinOperator.java:298) > at > org.apache.hadoop.hive.ql.exec.JoinOperator.genObject(JoinOperator.java:541) > at > org.apache.hadoop.hive.ql.exec.JoinOperator.genObject(JoinOperator.java:530) > at > org.apache.hadoop.hive.ql.exec.JoinOperator.genObject(JoinOperator.java:530) > at > org.apache.hadoop.hive.ql.exec.JoinOperator.checkAndGenObject(JoinOperator.java:571) > at > org.apache.hadoop.hive.ql.exec.JoinOperator.endGroup(JoinOperator.java:553) > at > org.apache.hadoop.hive.ql.exec.ExecReducer.reduce(ExecReducer.java:145) > at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:430) > at org.apache.hadoop.mapred.Child.main(Child.java:155) > > > > -- Yours, Zheng
