[DRILL-3228] Implement Embedded Type - ASF JIRA

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Type: Task
Status: In Progress
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: Future
Component/s: Execution - Codegen, Execution - Data Types, Execution - Relational Operators, Functions - Drill
Labels:
None

An Umbrella for the implementation of Embedded types within Drill.

is duplicated by

DRILL-3939 Drill fails to parse valid JSON object

1.	Create a new EmbeddedVector	Resolved	Steven Phillips
2.	Modify existing vectors to allow type promotion	Resolved	Steven Phillips
3.	Update code generation & function code to support reading and writing embedded type	Open	Steven Phillips
4.	Enhance JSON reader to leverage EmbeddedType	Open	Unassigned
5.	Enhance JSON writer to write EmbeddedType	Open	Unassigned
6.	Come up with enhanced AbstractRecordBatch and AbstractSingleRecordBatch to better handle type promotion and schema change	Open	Unassigned