tangjunjie created HIVE-10814:
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Summary: hive on tez skew table plan wrong
Key: HIVE-10814
URL: https://issues.apache.org/jira/browse/HIVE-10814
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 1.1.0
Environment: hive 1.1.0 + tez 0.53
Reporter: tangjunjie
set hive.execution.engine=mr;
set hive.mapred.supports.subdirectories=true;
set hive.optimize.skewjoin.compiletime = true;
ALTER TABLE tandem.fct_traffic_navpage_path_detl SKEWED BY
(ordr_code,cart_prod_id) ON (('','NULL'));
Vertex failed, vertexName=initialmap,
vertexId=vertex_1419300485749_1514787_1_00, diagnostics=[Task failed,
taskId=task_1419300485749_1514787_1_00_000245, diagnostics=[TaskAttempt 0
failed, info=[Error: Failure while running task:java.lang.RuntimeException:
org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row
{"parnt_ordr_id":3715999535959,"parnt_ordr_code":"3715999535959","end_user_id":163846959,"comb_prod_id":7873715,"sale_amt":99.0,"actl_sale_amt":99.0,"sale_num":1,"updt_time":"2015-05-11
03:58:13","etl_batch_id":0,"ds":"2015-05-10"}
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:179)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at
org.apache.tez.mapreduce.processor.map.MapProcessor.runOldMapper(MapProcessor.java:183)
at
org.apache.tez.mapreduce.processor.map.MapProcessor.run(MapProcessor.java:126)
at
org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324)
at
org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:176)
at
org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:168)
I think this is the error,cart_prod_id col not exist in table
univ_parnt_tranx_comb_detl
TableScan
alias: o
Statistics: Num rows: 109845709 Data size: 14499651703 Basic stats: PARTIAL
Column stats: NONE
Filter Operator
predicate: (not ((ordr_code = '') and (cart_prod_id = null))) (type: boolean)
Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
Reduce Output Operator
key expressions: parnt_ordr_code (type: string), comb_prod_id (type: bigint)
sort order: ++
Map-reduce partition columns: parnt_ordr_code (type: string), comb_prod_id
(type: bigint)
Statistics: Num rows: 0 Data size: 0 Basic stats: NONE Column stats: NONE
value expressions: end_user_id (type: bigint), actl_sale_amt (type: double),
sale_num (type: bigint), ds (type: string)
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