[SPARK-33095] Support ALTER TABLE in JDBC v2 Table Catalog: add, update type and nullability of columns (MySQL dialect)

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: SQL
• Assignee: Prashant Sharma
• Reporter: Prashant Sharma
• Created: 08/Oct/20 10:37
• Updated: 23/Oct/20 15:10
• Resolved: 22/Oct/20 13:52

Description

Override the default SQL strings for:
ALTER TABLE UPDATE COLUMN TYPE
ALTER TABLE UPDATE COLUMN NULLABILITY
in the following MySQL JDBC dialect according to official documentation.
Write MySQL integration tests for JDBC.

Issue Links

• links to: [Github] Pull Request #30025 (ScrapCodes)
• links to: [Github] Pull Request #30142 (ScrapCodes)
• links to: [Github] Pull Request #30142 (ScrapCodes)