[
https://issues.apache.org/jira/browse/HIVE-9971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14362870#comment-14362870
]
Hive QA commented on HIVE-9971:
-------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12704719/HIVE-9971.1.patch
{color:red}ERROR:{color} -1 due to 204 failed/errored test(s), 7762 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_bucketmapjoin1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_index_auto_mult_tables_compact
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udaf_context_ngrams
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_dynpart_sort_opt_vectorization
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_dynpart_sort_optimization2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_orc_vectorization_ppd
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_tez_join_hash
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_between_in
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_bucket
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_char_mapjoin1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_char_simple
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_coalesce_2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_data_types
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_10_0
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_3
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_4
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_5
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_6
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_aggregate
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_precision
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_trailing
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_decimal_udf
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_distinct_2
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_groupby_3
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_groupby_reduce
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_left_outer_join
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_mapjoin_reduce
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_non_string_partition
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_orderby_5
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_partition_diff_num_cols
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_partitioned_date_time
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_reduce_groupby_decimal
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_string_concat
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_varchar_mapjoin1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vector_varchar_simple
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_0
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_12
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_13
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_14
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_15
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_5
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_9
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_div0
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_limit
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_nested_udf
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_part
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_part_project
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorization_short_regress
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_date_funcs
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_dynamic_partition_pruning
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_nested_mapjoin
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_ptf
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_rcfile_columnar
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_timestamp_funcs
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_bucketmapjoin1
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_between_in
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_data_types
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_decimal_aggregate
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_distinct_2
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_groupby_3
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_left_outer_join
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_mapjoin_reduce
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_orderby_5
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vector_string_concat
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_0
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_12
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_13
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_14
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_15
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_5
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_9
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_div0
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_nested_udf
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_part
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_part_project
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorization_short_regress
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorized_nested_mapjoin
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorized_ptf
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorized_rcfile_columnar
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorized_timestamp_funcs
org.apache.hadoop.hive.ql.exec.TestOperators.testMapOperator
org.apache.hadoop.hive.ql.exec.vector.TestVectorFilterOperator.testBasicFilterLargeData
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgDecimalNegative
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongNullKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongRepeatConcatValues
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongRepeatNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testAvgLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testBigintKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testBooleanKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongNullKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongRepeatConcatValues
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongRepeatNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountReduce
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountStar
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountStringAllNull
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testCountStringWithNull
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDecimalKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeAvg
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeAvgOneKey
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeCount
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeMax
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeMaxOneKey
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeMin
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeMinOneKey
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeSum
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeSumOneKey
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeVariance
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testDoubleValueTypeVarianceOneKey
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testFloatKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testIntKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongMaxInt
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongMaxLong
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongNegative
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongNullKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxNullString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMaxString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMemoryPressureFlush
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongConcatRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongGroupBy
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongKeyGroupByCompactBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongKeyGroupByCrossBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongMinInt
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongMinLong
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongNegative
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongNullKeyGroupByCrossBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongNullKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongNullStringKeys
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongRepeatConcatValues
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongRepeatNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinLongStringKeys
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinNullLongNullKeyGroupBy
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMinString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMultiKeyDoubleShortString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMultiKeyDoubleStringInt
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMultiKeyIntStringInt
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMultiKeyIntStringString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMultiKeyStringByteString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testMultiKeyStringIntString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSmallintKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdDevLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdDevLongRepeatNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdDevSampLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdDevSampSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdPopDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testStdSampDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumDecimalHive6508
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumDoubleGroupByString
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumDoubleSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLong2MaxInt
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLong2MaxLong
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLong2MinInt
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLong2MinLong
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongMinMaxLong
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongNullKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongRepeatConcatValues
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongRepeatNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testSumLongZero
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testTimestampKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testTinyintKeyTypeAggregate
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarLongNullKeyGroupBySingleBatch
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarPopLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarPopLongRepeatNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarSampDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarSampLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarSampLongRepeat
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarSampLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarianceDecimal
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarianceLongEmpty
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarianceLongNulls
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarianceLongSimple
org.apache.hadoop.hive.ql.exec.vector.TestVectorGroupByOperator.testVarianceLongSingle
org.apache.hadoop.hive.ql.exec.vector.TestVectorSelectOperator.testSelectOperator
org.apache.hive.hcatalog.hbase.TestPigHBaseStorageHandler.org.apache.hive.hcatalog.hbase.TestPigHBaseStorageHandler
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3040/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3040/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3040/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 204 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12704719 - PreCommit-HIVE-TRUNK-Build
> Clean up operator class
> -----------------------
>
> Key: HIVE-9971
> URL: https://issues.apache.org/jira/browse/HIVE-9971
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-9971.1.patch
>
>
> This is mostly cleanup although it does enhance the pipeline in one respect.
> It introduces asyn init for operators and uses it for hash table loading
> where desired.
> There's a bunch of weird code associated with the operator class:
> - initialize isn't recursive, rather initializeOp is supposed to call
> initializeChildren. That has led to bugs in the past.
> - setExecContext and passExecContext. Both are recursive, but passExecContext
> calls setExecContext and then recurses again. Boo.
> - lots of (getChildren() != null) although that can't happen anymore
> - TezCacheAccess is a hack. We should just leave init of inputs up to the
> operator that needs it.
> - Need some sanity checks that make sure that operators were all initialized.
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