Module relation 

Core types for table relations used by relational query building.

Public API

• RelationKind, JoinColumn, ThroughDef, RelationDef
• RelationRegistry, helpers one, many, many_through

Structs

JoinColumn

A single column pair in a join condition.

RelationDef

A complete relation definition between two tables.

RelationRegistry

Registry of relation definitions, keyed by source table name.

ThroughDef

Configuration for many-to-many relations via a junction table.

Enums

RelationKind

The kind of relation between two tables.

Functions

many

Create a Many (has-many) relation.

many_through

Create a Many relation through a junction table (many-to-many).

one

Create a One (belongs-to / has-one) relation.