Trait Query 

pub trait Query {
    type Model;

    const TABLE_NAME: &'static str;
    const PRIMARY_KEY: &'static str = "id";

    // Required method
    fn process_row(row: &Row<'_>) -> Self::Model;

    // Provided methods
    fn query(
        conn: &Connection,
        query: &str,
        params: impl Params,
    ) -> Vec<Self::Model> { ... }
    fn get(
        conn: &Connection,
        query: &str,
        params: impl Params,
    ) -> Result<Self::Model> { ... }
    fn get_by_id<'a, T>(conn: &Connection, id: &'a T) -> Option<Self::Model>
       where T: Clone + 'a,
             Value: From<T> { ... }
    fn query_by_ids<'a, I: ?Sized, T>(
        conn: &Connection,
        ids: &'a I,
    ) -> Vec<Self::Model>
       where &'a I: IntoIterator<Item = &'a T>,
             T: Clone + 'a,
             Value: From<T> { ... }
    fn delete_by_ids<'a, I: ?Sized, T>(
        conn: &Connection,
        ids: &'a I,
    ) -> Vec<Self::Model>
       where &'a I: IntoIterator<Item = &'a T>,
             T: Clone + 'a,
             Value: From<T> { ... }
    fn table_name() -> &'static str { ... }
    fn all(conn: &Connection) -> Vec<Self::Model> { ... }
    fn all_with_limit(conn: &Connection, limit: usize) -> Vec<Self::Model> { ... }
}

Required Associated Constants

const TABLE_NAME: &'static str

Provided Associated Constants

const PRIMARY_KEY: &'static str = "id"

Required Associated Types

type Model

Required Methods

fn process_row(row: &Row<'_>) -> Self::Model

Provided Methods

fn query( conn: &Connection, query: &str, params: impl Params, ) -> Vec<Self::Model>

fn get( conn: &Connection, query: &str, params: impl Params, ) -> Result<Self::Model>

fn get_by_id<'a, T>(conn: &Connection, id: &'a T) -> Option<Self::Model>

where T: Clone + 'a, Value: From<T>,

fn query_by_ids<'a, I: ?Sized, T>( conn: &Connection, ids: &'a I, ) -> Vec<Self::Model>

where &'a I: IntoIterator<Item = &'a T>, T: Clone + 'a, Value: From<T>,

fn delete_by_ids<'a, I: ?Sized, T>( conn: &Connection, ids: &'a I, ) -> Vec<Self::Model>

where &'a I: IntoIterator<Item = &'a T>, T: Clone + 'a, Value: From<T>,

fn table_name() -> &'static str

fn all(conn: &Connection) -> Vec<Self::Model>

fn all_with_limit(conn: &Connection, limit: usize) -> Vec<Self::Model>

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl Query for Accession

const TABLE_NAME: &'static str = "accessions"

type Model = Accession

impl Query for AccessionEdge

const TABLE_NAME: &'static str = "accession_edges"

type Model = AccessionEdge

impl Query for AccessionPath

const TABLE_NAME: &'static str = "accession_paths"

type Model = AccessionPath

impl Query for Annotation

const TABLE_NAME: &'static str = "annotations"

type Model = Annotation

impl Query for AnnotationFile

const TABLE_NAME: &'static str = "annotation_files"

type Model = AnnotationFile

impl Query for AnnotationGroup

const PRIMARY_KEY: &'static str = "name"

const TABLE_NAME: &'static str = "annotation_groups"

type Model = AnnotationGroup

impl Query for BlockGroup

const TABLE_NAME: &'static str = "block_groups"

type Model = BlockGroup

impl Query for BlockGroupEdge

const TABLE_NAME: &'static str = "block_group_edges"

type Model = BlockGroupEdge

impl Query for Collection

const PRIMARY_KEY: &'static str = "name"

const TABLE_NAME: &'static str = "collections"

type Model = Collection

impl Query for Edge

const TABLE_NAME: &'static str = "edges"

type Model = Edge

impl Query for GenDatabase

const PRIMARY_KEY: &'static str = "db_uuid"

const TABLE_NAME: &'static str = "gen_databases"

type Model = GenDatabase

impl Query for Metadata

const TABLE_NAME: &'static str = "gen_metadata"

type Model = Metadata

impl Query for Node

const TABLE_NAME: &'static str = "nodes"

type Model = Node

impl Query for Branch

const TABLE_NAME: &'static str = "branches"

type Model = Branch

impl Query for Defaults

const TABLE_NAME: &'static str = "defaults"

type Model = Defaults

impl Query for FileAddition

const TABLE_NAME: &'static str = "file_additions"

type Model = FileAddition

impl Query for Operation

const PRIMARY_KEY: &'static str = "hash"

const TABLE_NAME: &'static str = "operations"

type Model = Operation

impl Query for OperationSummary

const TABLE_NAME: &'static str = "operation_summaries"

type Model = OperationSummary

impl Query for Remote

const TABLE_NAME: &'static str = "remotes"

type Model = Remote

impl Query for Path

const TABLE_NAME: &'static str = "paths"

type Model = Path

impl Query for PathEdge

const TABLE_NAME: &'static str = "path_edges"

type Model = PathEdge

impl Query for Sample

const PRIMARY_KEY: &'static str = "name"

const TABLE_NAME: &'static str = "samples"

type Model = Sample

impl Query for Sequence

const PRIMARY_KEY: &'static str = "hash"

const TABLE_NAME: &'static str = "sequences"

type Model = Sequence