Module schema_evolution 

Dynamic Schema Evolution and Migration

This module provides comprehensive schema evolution capabilities for streaming RDF data, allowing schemas to evolve over time without downtime.

Features

• Backward Compatibility: Old consumers can read new data
• Forward Compatibility: New consumers can read old data
• Full Compatibility: Both backward and forward compatible
• Version Management: Track and manage schema versions
• Migration Strategies: Automatic data migration between versions
• Schema Validation: Ensure data conforms to schemas
• Evolution Rules: Define allowed schema changes

Use Cases

• API Evolution: Evolve APIs without breaking clients
• Data Migration: Migrate data to new formats
• Feature Flags: Gradually roll out schema changes
• A/B Testing: Test new schemas with subset of data

Structs

CompatibilityCheckResult

Compatibility check result

CompatibilityIssue

Compatibility issue

DeprecationInfo

Deprecation information

EvolutionResult

Schema evolution result

FieldDefinition

Field definition in a schema

MigrationRule

Data migration rule

SchemaDefinition

Schema definition

SchemaEvolutionEvent

Schema evolution event for auditing

SchemaEvolutionManager

Schema evolution manager

SchemaVersion

Schema version metadata

Enums

CompatibilityIssueType

Compatibility issue type

CompatibilityMode

Schema compatibility mode

FieldType

Field type

IssueSeverity

Issue severity

MigrationStrategy

Migration strategy

SchemaChange

Schema change type

SchemaFormat

Schema format