loading

Types

AppliedOptions

pub type AppliedOptions {
  AppliedOptions(
    query: expression.SelectQuery,
    select_in: List(SelectInPlan),
  )
}

Constructors

AppliedOptions(
  query: expression.SelectQuery,
  select_in: List(SelectInPlan),
)

LoaderOption

</>

pub type LoaderOption {
  JoinedLoad(
    relation_name: String,
    related_model: query.ModelRef,
  )
  SelectInLoad(
    relation_name: String,
    related_model: query.ModelRef,
  )
}

Constructors

JoinedLoad(relation_name: String, related_model: query.ModelRef)

SelectInLoad(
  relation_name: String,
  related_model: query.ModelRef,
)

LoadingError

</>

pub type LoadingError {
  QueryError(query.QueryError)
  MissingParentField(
    table: relation.TableRef,
    relation_name: String,
    column: String,
  )
}

Constructors

```
QueryError(query.QueryError)
```

MissingParentField(
  table: relation.TableRef,
  relation_name: String,
  column: String,
)

SelectInPlan

</>

pub type SelectInPlan {
  SelectInPlan(
    parent: query.ModelRef,
    relation: relation.Relation,
    related_model: query.ModelRef,
  )
}

Constructors

SelectInPlan(
  parent: query.ModelRef,
  relation: relation.Relation,
  related_model: query.ModelRef,
)

Values

apply

</>

pub fn apply(
  query: expression.SelectQuery,
  parent_model: query.ModelRef,
  options: List(LoaderOption),
) -> Result(AppliedOptions, LoadingError)

joinedload

</>

pub fn joinedload(
  relation_name: String,
  related_model: query.ModelRef,
) -> LoaderOption

query

</>

pub fn query(applied: AppliedOptions) -> expression.SelectQuery

selectin_queries

</>

pub fn selectin_queries(
  applied: AppliedOptions,
  parents: List(entity.Entity),
) -> Result(List(query.Query), LoadingError)

selectinload

</>

pub fn selectinload(
  relation_name: String,
  related_model: query.ModelRef,
) -> LoaderOption