[
https://issues.apache.org/jira/browse/HIVE-23688?focusedWorklogId=642305&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-642305
]
ASF GitHub Bot logged work on HIVE-23688:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Aug/21 12:25
Start Date: 26/Aug/21 12:25
Worklog Time Spent: 10m
Work Description: abstractdog commented on a change in pull request #2479:
URL: https://github.com/apache/hive/pull/2479#discussion_r696577856
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/io/parquet/vector/VectorizedListColumnReader.java
##########
@@ -129,21 +131,16 @@ private boolean
fetchNextValue(PrimitiveObjectInspector.PrimitiveCategory catego
private void addElement(ListColumnVector lcv, List<Object> elements,
PrimitiveObjectInspector.PrimitiveCategory category, int index) throws
IOException {
lcv.offsets[index] = elements.size();
- // Return directly if last value is null
Review comment:
this part has been reworked a bit, created a nested loop and put it into
a separate method (collectDataFromParquetPage) + added comments
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Issue Time Tracking
-------------------
Worklog Id: (was: 642305)
Time Spent: 4h (was: 3h 50m)
> Vectorization: IndexArrayOutOfBoundsException For map type column which
> includes null value
> -------------------------------------------------------------------------------------------
>
> Key: HIVE-23688
> URL: https://issues.apache.org/jira/browse/HIVE-23688
> Project: Hive
> Issue Type: Bug
> Components: Parquet, storage-api, Vectorization
> Affects Versions: All Versions
> Reporter: 范宜臻
> Assignee: László Bodor
> Priority: Critical
> Labels: pull-request-available
> Fix For: 3.0.0, 4.0.0
>
> Attachments: HIVE-23688.patch
>
> Time Spent: 4h
> Remaining Estimate: 0h
>
> {color:#de350b}start{color} and {color:#de350b}length{color} are empty arrays
> in MapColumnVector.values(BytesColumnVector) when values in map contain
> {color:#de350b}null{color}
> reproduce in master branch:
> {code:java}
> set hive.vectorized.execution.enabled=true;
> CREATE TABLE parquet_map_type (id int,stringMap map<string, string>)
> stored as parquet;
> insert overwrite table parquet_map_typeSELECT 1, MAP('k1', null, 'k2',
> 'bar');
> select id, stringMap['k1'] from parquet_map_type group by 1,2;
> {code}
> query explain:
> {code:java}
> Stage-0
> Fetch Operator
> limit:-1
> Stage-1
> Reducer 2 vectorized
> File Output Operator [FS_12]
> Group By Operator [GBY_11] (rows=5 width=2)
> Output:["_col0","_col1"],keys:KEY._col0, KEY._col1
> <-Map 1 [SIMPLE_EDGE] vectorized
> SHUFFLE [RS_10]
> PartitionCols:_col0, _col1
> Group By Operator [GBY_9] (rows=10 width=2)
> Output:["_col0","_col1"],keys:_col0, _col1
> Select Operator [SEL_8] (rows=10 width=2)
> Output:["_col0","_col1"]
> TableScan [TS_0] (rows=10 width=2)
>
> temp@parquet_map_type_fyz,parquet_map_type_fyz,Tbl:COMPLETE,Col:NONE,Output:["id","stringmap"]
> {code}
> runtime error:
> {code:java}
> Vertex failed, vertexName=Map 1, vertexId=vertex_1592040015150_0001_3_00,
> diagnostics=[Task failed, taskId=task_1592040015150_0001_3_00_000000,
> diagnostics=[TaskAttempt 0 failed, info=[Error: Error while running task (
> failure ) :
> attempt_1592040015150_0001_3_00_000000_0:java.lang.RuntimeException:
> java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
> Hive Runtime Error while processing row
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:296)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:250)
> at
> org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1682)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at
> com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:108)
> at
> com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:41)
> at
> com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:77)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.RuntimeException:
> org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
> processing row
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:101)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:76)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:403)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:267)
> ... 16 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
> Error while processing row
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:970)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:92)
> ... 19 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Error evaluating
> id
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:149)
> at
> org.apache.hadoop.hive.ql.exec.Operator.vectorForward(Operator.java:918)
> at
> org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:172)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.deliverVectorizedRowBatch(VectorMapOperator.java:809)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorMapOperator.process(VectorMapOperator.java:842)
> ... 20 more
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
> at
> org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.setElement(BytesColumnVector.java:506)
> at
> org.apache.hadoop.hive.ql.exec.vector.expressions.VectorUDFMapIndexBaseScalar.evaluate(VectorUDFMapIndexBaseScalar.java:83)
> at
> org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:146)
> ... 24 more
> {code}
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