Module relations 

Typed database relation metadata and explicit relation loading.

Structs

JoinColumn

A single equality condition in a typed join.

JoinCtx

Typed context passed to custom join predicates.

Prefetch

Explicit one-SQL prefetch executable for many backrefs.

ReferenceMeta

Typed metadata for a SQL join target.

Enums

JoinType

Supported SQL join kind for typed relation metadata.

RelationCardinality

Cardinality of a reverse relation.

Traits

Backref

Reverse relation metadata between two table-backed models.

JoinRelation

Custom typed join predicate for complex ON clauses.

ManyBackref

Marker for many-row reverse relations.

ManyToMany

Many-to-many relation represented by two typed joins.

OneBackref

Marker for one-row reverse relations.

PrefetchKey

Extracts grouping keys used by explicit prefetch loading.

ReceivesPrefetch

A record or model that can receive an explicit prefetch result.

Functions

prefetch

Starts an explicit many-relation prefetch executable.