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Posted to issues@hive.apache.org by "Peter Vary (Jira)" <ji...@apache.org> on 2020/02/04 18:04:00 UTC
[jira] [Updated] (HIVE-22805) Vectorization with conditional array
or map is not implemented and throws an error
[ https://issues.apache.org/jira/browse/HIVE-22805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peter Vary updated HIVE-22805:
------------------------------
Attachment: HIVE-22805.3.patch
> Vectorization with conditional array or map is not implemented and throws an error
> ----------------------------------------------------------------------------------
>
> Key: HIVE-22805
> URL: https://issues.apache.org/jira/browse/HIVE-22805
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Peter Vary
> Assignee: Peter Vary
> Priority: Major
> Attachments: HIVE-22805.2.patch, HIVE-22805.3.patch, HIVE-22805.patch
>
>
> The following queries throw an "Not supported" Exception:
> {code}
> DROP TABLE IF EXISTS cond_vector;
> CREATE TABLE cond_vector(a STRING) STORED AS ORC;
> INSERT OVERWRITE TABLE cond_vector VALUES("a/b");
> set hive.fetch.task.conversion=minimal;
> set hive.execution.mode=container;
> SELECT IF(1=1, MAP("a","b"), NULL) FROM cond_vector;
> EXPLAIN VECTORIZATION DETAIL SELECT IF(1=1, MAP("Mathematics","78"), NULL) FROM cond_vector;
> SELECT IF(1=1, ARRAY("c", "d"), NULL) FROM cond_vector;
> EXPLAIN VECTORIZATION DETAIL SELECT IF(1=1, ARRAY("a", "b"), NULL) FROM cond_vector;
> {code}
> One example of the Exception (maybe not exactly this on 4.0.0 branch, but close enough to check):
> {code}
> Caused by: java.lang.RuntimeException: Not supported
> at org.apache.hadoop.hive.ql.exec.vector.ListColumnVector.copySelected(ListColumnVector.java:161)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprNull.evaluate(IfExprCondExprNull.java:87)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprCondExpr.evaluate(IfExprCondExprCondExpr.java:95)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprBase.conditionalEvaluate(IfExprCondExprBase.java:68)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprCondExpr.evaluate(IfExprCondExprCondExpr.java:110)
> at org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprCondExpr.evaluate(IfExprCondExprCondExpr.java:95)
> at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:146)
> {code}
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