[DRILL-2241] CTAS fails when writing a repeated list

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: Future
• Component/s: Storage - Parquet
• Assignee: Unassigned
• Reporter: Abhishek Girish
• Created: 13/Feb/15 01:55
• Updated: 01/Sep/19 09:45
• Resolved: 01/Sep/19 09:45

Description

Drill can read the following JSON file with a repeated list:

{
"a" : null
"b" : [ ["B1", "B2"] ],
}

Writing this to Parquet via a simple CTAS fails.
> create table temp as select * from `replist.json`;

Log indicates this to be unsupported (UnsupportedOperationException: Unsupported type LIST)

Log attached.

Issue Links

• is duplicated by: DRILL-2291 CTAS broken when we have repeated lists
• is duplicated by: DRILL-7326 Support repeated lists for CTAS parquet format
• is related to: DRILL-6181 CTAS should support writing nested structures (nested lists) to parquet.

Sub-Tasks

• Improve error message for CTAS fails when writing a repeated list: Resolved