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https://issues.apache.org/jira/browse/HIVE-21437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882297#comment-16882297
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Laszlo Bodor commented on HIVE-21437:
-------------------------------------
pushed to master, thanks [~amagyar], [~teddy.choi] for the patch!
> Vectorization: Decimal64 division with integer columns
> ------------------------------------------------------
>
> Key: HIVE-21437
> URL: https://issues.apache.org/jira/browse/HIVE-21437
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Affects Versions: 4.0.0
> Reporter: Gopal V
> Assignee: Attila Magyar
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21437.1.patch, HIVE-21437.2.patch,
> HIVE-21437.3.patch, HIVE-21437.6.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Vectorizer fails for
> {code}
> CREATE temporary TABLE `catalog_Sales`(
> `cs_quantity` int,
> `cs_wholesale_cost` decimal(7,2),
> `cs_list_price` decimal(7,2),
> `cs_sales_price` decimal(7,2),
> `cs_ext_discount_amt` decimal(7,2),
> `cs_ext_sales_price` decimal(7,2),
> `cs_ext_wholesale_cost` decimal(7,2),
> `cs_ext_list_price` decimal(7,2),
> `cs_ext_tax` decimal(7,2),
> `cs_coupon_amt` decimal(7,2),
> `cs_ext_ship_cost` decimal(7,2),
> `cs_net_paid` decimal(7,2),
> `cs_net_paid_inc_tax` decimal(7,2),
> `cs_net_paid_inc_ship` decimal(7,2),
> `cs_net_paid_inc_ship_tax` decimal(7,2),
> `cs_net_profit` decimal(7,2))
> ;
> explain vectorization detail select max((((cs_ext_list_price -
> cs_ext_wholesale_cost) - cs_ext_discount_amt) + cs_ext_sales_price) / 2) from
> catalog_sales;
> {code}
> {code}
> ' Map Vectorization:'
> ' enabled: true'
> ' enabledConditionsMet:
> hive.vectorized.use.vectorized.input.format IS true'
> ' inputFileFormats:
> org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
> ' notVectorizedReason: SELECT operator: Could not instantiate
> DecimalColDivideDecimalScalar with arguments arguments: [21, 20, 22],
> argument classes: [Integer, Integer, Integer], exception:
> java.lang.IllegalArgumentException: java.lang.ClassCastException@63b56be0
> stack trace:
> sun.reflect.GeneratedConstructorAccessor<omitted>.newInstance(Unknown
> Source),
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45),
> java.lang.reflect.Constructor.newInstance(Constructor.java:423),
> org.apache.hadoop.hive.ql.exec.vector.VectorizationContext.instantiateExpression(VectorizationContext.java:2088),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.fixDecimalDataTypePhysicalVariations(Vectorizer.java:4662),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.fixDecimalDataTypePhysicalVariations(Vectorizer.java:4602),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.vectorizeSelectOperator(Vectorizer.java:4584),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.validateAndVectorizeOperator(Vectorizer.java:5171),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.doProcessChild(Vectorizer.java:923),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.doProcessChildren(Vectorizer.java:809),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.validateAndVectorizeOperatorTree(Vectorizer.java:776),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer.access$2400(Vectorizer.java:240),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.validateAndVectorizeMapOperators(Vectorizer.java:2038),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.validateAndVectorizeMapOperators(Vectorizer.java:1990),
>
> org.apache.hadoop.hive.ql.optimizer.physical.Vectorizer$VectorizationDispatcher.validateAndVectorizeMapWork(Vectorizer.java:1963),
> ...'
> ' vectorized: false'
> {code}
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