[DRILL-1646] Drill cannot handle empty array/list types in JSON documents

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Fix Version/s: Future
• Component/s: Execution - Data Types
• Assignee: Unassigned
• Reporter: Venkata krishnan Sowrirajan
• Created: 06/Nov/14 19:16
• Updated: 19/Jun/17 00:13

Description

To reproduce
JSON sample data:
{
"a":[]
}

Problem: Empty array

Exception:
java.lang.IllegalStateException: Incoming batch has an empty schema. This is not allowed

Issue Links

• is related to: DRILL-4754 Missing values are not missing
• is related to: DRILL-4824 Null maps / lists and non-provided state support for JSON fields. Numeric types promotion.