[DRILL-4490] Count(*) function returns as optional instead of required

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 1.7.0
• Component/s: Execution - Data Types
• Assignee: Sean Hsuan-Yi Chu
• Reporter: Krystal
• Reviewer: Krystal
• Created: 08/Mar/16 23:05
• Updated: 12/May/16 20:40
• Resolved: 14/Mar/16 18:28

Description

git.commit.id.abbrev=c8a7840

I have the following CTAS query:
create table test as select count as col1 from cp.`tpch/orders.parquet`;

The schema of the test table shows col1 as optional:
message root {
optional int64 col1;
}