Databricks: support extended and refreshable views

[EthanVieira]

Extend Databricks view support with:

• CREATE OR REFRESH MATERIALIZED VIEW

• Typed materialized-view columns and column comments

• COMMENT without an equals sign

• TBLPROPERTIES

• WITH SCHEMA BINDING, COMPENSATION, and EVOLUTION

• Collations on top-level and nested data types

• Multipart names in TABLE queries

• Added tests for typed columns, comments, properties, collations, schema modes, refreshable materialized views, and multipart TABLE queries.

• Added negative coverage for CREATE OR REFRESH on non-materialized views.

References:

• CREATE MATERIALIZED VIEW
• CREATE VIEW
• COLLATE