Module snapshot 

Developer: s4gor Github: https://github.com/s4gor

Schema snapshot system

Snapshots are normalized, deterministic representations of a schema at a point in time. They enable:

• Diffing schema version A vs B
• Storing expected schema state
• Version control integration
• Deterministic hash-based versioning

Structs

CheckConstraintSnapshot

Snapshot of a check constraint

ColumnSnapshot

Snapshot of a single column

ForeignKeySnapshot

Snapshot of a foreign key

FunctionSnapshot

Snapshot of a function/procedure

IndexSnapshot

Snapshot of an index

PrimaryKeySnapshot

Snapshot of a primary key

SchemaSnapshot

A normalized snapshot of a database schema

TableSnapshot

Snapshot of a single table

TypeSnapshot

Snapshot of a custom type (enum, composite, etc.)

UniqueConstraintSnapshot

Snapshot of a unique constraint

ViewSnapshot

Snapshot of a view

Traits

SnapshotStore

Trait for storing and retrieving schema snapshots

Functions

calculate_version_hash

Calculate a deterministic hash for a snapshot