[CALCITE-3534] Support parse(unparse) alien system non-standard data type

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.21.0
• Fix Version/s: 1.22.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Danny Chen
• Reporter: Danny Chen
• Created: 25/Nov/19 06:20
• Updated: 31/Oct/22 17:22
• Resolved: 08/Dec/19 03:14

Description

For some systems, they have customized SQL type that does not belong to standard SQL, for example, UNSIGNED is a built-in type in MySQL which is synonym of INTEGER.

Issue Links

• relates to: CALCITE-5346 Support for type aliases
• links to: GitHub Pull Request #1603