[CALCITE-3670] Add ability to release resources when connection is closed

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: core
• Assignee: Unassigned
• Reporter: Vladimir Sitnikov
• Created: 03/Jan/20 08:04
• Updated: 03/Jan/20 21:32

Description

Calcite schemas might often hold resources to external systems, however, it is not clear when the connection should be released.

What if Calcite could close schemas that implements Closeable when Calcite connection is closed?