[DRILL-2992] Improve error message when user tries to access an index within a non-existent array

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: Future
• Component/s: Execution - Data Types
• Labels: error_message_must_fix
• Assignee: Unassigned
• Reporter: Rahul Kumar Challapalli
• Created: 08/May/15 16:50
• Updated: 01/Oct/15 16:37

Description

git.commit.id.abbrev=8c706e6

The below query tries to access an index within a non-existent array. The below error message should be improved. It is a system error instead of a user error

select missing_array[1] from data;
Error: SYSTEM ERROR: You tried to read a [RepeatedInt] type when you are using a field reader of type [NullableIntReaderImpl].

Fragment 0:0

[Error Id: 05a79a85-7ec4-47a5-83cc-8187f7e98b79 on qa-node190.qa.lab:31010] (state=,code=0)