[HIVE-26742] Iceberg: Vectorization fails incase of multiple tables in queries

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0-beta-1
• Labels: pull-request-available
• Assignee: Ayush Saxena
• Reporter: Ayush Saxena
• Created: 16/Nov/22 04:13
• Updated: 15/Aug/23 06:33
• Resolved: 29/Nov/22 06:57

Description

If the iceberg table as orc.files.only set to False and we have multiple tables. 

Caused by: java.lang.ClassCastException: class org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector cannot be cast to class org.apache.hadoop.hive.ql.exec.vector.LongColumnVector (org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector and org.apache.hadoop.hive.ql.exec.vector.LongColumnVector are in unnamed module of loader 'app')
	at org.apache.hadoop.hive.ql.exec.vector.expressions.FuncLongToDecimal.evaluate(FuncLongToDecimal.java:53)
	at org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression.evaluateChildren(VectorExpression.java:314)
	at org.apache.hadoop.hive.ql.exec.vector.expressions.gen.DecimalColMultiplyDecimalColumn.evaluate(DecimalColMultiplyDecimalColumn.java:56)
	at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:146)
	... 25 more

Issue Links

• links to: GitHub Pull Request #3767