[CARBONDATA-4109] Improve carbondata coverage for presto-integration code

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.1.1
• Component/s: core, presto-integration
• Assignee: Unassigned
• Reporter: Akshay
• Created: 19/Jan/21 09:37
• Updated: 17/Mar/21 02:55
• Resolved: 30/Jan/21 06:20

Description

Few scenarios had missing coverage in presto-integration code. This PR aims to improve it by considering all such scenarios.

Dead code- ObjectStreamReader.java was created with an aim to query complex types. Instead ComplexTypeStreamReader was created. Making ObjectStreamreader obsolete.