[IGNITE-13752] Schema evolution converters.

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: sql
• Labels: iep-54 ignite-3
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Unassigned
• Reporter: Andrey Mashenkov
• Created: 24/Nov/20 13:32
• Updated: 16/Jul/21 20:24

Description

Motivation.

The Live-schema concept supposes a tuple of old-version can be upgraded to a tuple of new-version automatically.

Description.

Table SchemaManager tracks schema changes and keeps a history of changes.
Let's implements the mechanics to apply these historical changes to a Row to upgrade to the latest version.

Issue Links

• is a child of: IGNITE-13616 IEP-54 Live schema for tables
• is a parent of: IGNITE-15139 Schema update. Type widening.
• is a parent of: IGNITE-14863 Schema update. Add and remove column.
• is a parent of: IGNITE-14864 Schema update. Merge multiple converters stages.
• is a parent of: IGNITE-14896 Schema update. Changing default value.
• is a parent of: IGNITE-14951 Schema update. Rename column.